Transmission resource selection method, network equipment and user equipment

文档序号：196785 发布日期：2021-11-02 浏览：21次中文

阅读说明：本技术 一种传输资源选择方法、网络设备、用户设备 (Transmission resource selection method, network equipment and user equipment ) 是由杨宁于 2019-07-26 设计创作，主要内容包括：本发明公开了一种传输资源选择方法、终端设备、网络设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序,所述方法包括：向UE发送复制传输配置；其中,所述复制传输配置用于所述UE判断是否执行复制传输、以及传输数据和/或复制数据时所使用的传输资源；所述复制传输为：包含有至少两个传输资源的复制数据传输。(The invention discloses a transmission resource selection method, a terminal device, a network device, a chip, a computer readable storage medium, a computer program product and a computer program, wherein the method comprises the following steps: sending a duplicate transmission configuration to the UE; wherein the duplicate transmission configuration is used for the UE to judge whether to execute duplicate transmission and transmission resources used when transmitting data and/or duplicate data; the duplicate transmission is: a transmission of duplicated data comprising at least two transmission resources.)

1. A transmission resource selection method is applied to network equipment, and comprises the following steps:

sending a duplicate transmission configuration to User Equipment (UE);

the duplicate transmission configuration is used for the UE to judge whether to execute duplicate transmission and transmission resources used for transmitting data configured for the UE;

wherein the duplicate transmission is: a duplicate data transmission comprising at least two transmission resources;

the replication transmission configuration comprises: the identification of transmission resources used when transmitting data, the initial state of the copy transmission mode, and the number of the copy data corresponding to the initial state.

2. The method of claim 1, wherein the replicated transport configuration further comprises at least one of:

and configuring a logical channel of the bearer for the UE to perform the copy transmission when the copy transmission mode is in a deactivated state.

3. A transmission resource selection method is applied to User Equipment (UE), and comprises the following steps:

receiving a copy transmission configuration sent by network equipment;

the duplicate transmission configuration is used for the UE to judge whether to execute duplicate transmission and transmission resources used for transmitting data configured for the UE;

wherein the duplicate transmission is: a duplicate data transmission comprising at least two transmission resources;

4. The method of claim 3, wherein the replicated transport configuration further comprises at least one of:

and configuring a logical channel of the bearer for the UE to perform the copy transmission when the copy transmission mode is in a deactivated state.

5. A network device, comprising:

a first communication unit that transmits a duplicate transmission configuration to a user equipment UE;

the duplicate transmission configuration is used for the UE to judge whether to execute duplicate transmission and transmission resources used for transmitting data configured for the UE;

wherein the duplicate transmission is: a duplicate data transmission comprising at least two transmission resources;

6. The network device of claim 5, wherein the duplicate transmission configuration further comprises at least one of:

and configuring a logical channel of the bearer for the UE to perform the copy transmission when the copy transmission mode is in a deactivated state.

7. A UE, comprising:

the second communication unit is used for receiving the copy transmission configuration sent by the network equipment;

the duplicate transmission configuration is used for the UE to judge whether to execute duplicate transmission and transmission resources used for transmitting data configured for the UE;

wherein the duplicate transmission is: a duplicate data transmission comprising at least two transmission resources;

8. The UE of claim 7, wherein the duplicate transmission configuration further comprises at least one of:

and configuring a logical channel of the bearer for the UE to perform the copy transmission when the copy transmission mode is in a deactivated state.

9. A network device, comprising: a processor and a memory for storing a computer program capable of running on the processor,

wherein the memory is adapted to store a computer program and the processor is adapted to call and run the computer program stored in the memory to perform the steps of the method according to claim 1 or 2.

10. A user equipment, UE, comprising: a processor and a memory for storing a computer program capable of running on the processor,

wherein the memory is used for storing a computer program and the processor is used for calling and running the computer program stored in the memory and executing the steps of the method according to claim 3 or 4.

Technical Field

The present invention relates to the field of information processing technologies, and in particular, to a transmission resource selection method, a network device, a User Equipment (UE), a chip, a computer-readable storage medium, a computer program product, and a computer program.

Background

In the current processing scheme for duplicate transmission, there are usually duplicate transmission scenarios of 2 RLC entities. In addition, when the duplicate transmission is activated, the UE is generally required to request transmission resources from the network side, and wait for the network device to configure transmission resources, such as an RLC entity, for the UE. Therefore, the time for waiting for the authorized resource for the activation of the copy transmission is long, and the processing efficiency of the system cannot be guaranteed.

Disclosure of Invention

To solve the foregoing technical problem, embodiments of the present invention provide a transmission resource selection method, a network device, a User Equipment (UE), a chip, a computer-readable storage medium, a computer program product, and a computer program.

In a first aspect, a transmission resource selection method is provided, which is applied to a network device, and includes:

sending a duplicate transmission configuration to User Equipment (UE);

the duplicate transmission configuration is used for the UE to determine whether to perform duplicate transmission and transmission resources used for transmitting data and/or duplicate data configured for the UE.

In a second aspect, a method for selecting transmission resources is provided, and is applied to a UE, and includes:

receiving a copy transmission configuration sent by network equipment;

In a third aspect, a network device is provided, including:

a first communication unit that transmits a duplicate transmission configuration to a user equipment UE;

In a fourth aspect, a UE is provided, including:

the second communication unit is used for receiving the copy transmission configuration sent by the network equipment;

In a fifth aspect, a network device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the first aspect or each implementation manner thereof.

In a sixth aspect, a UE is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the second aspect or each implementation manner thereof.

In a seventh aspect, a chip is provided for implementing the methods in the foregoing implementation manners.

Specifically, the chip includes: a processor configured to call and run the computer program from the memory, so that the device on which the chip is installed performs the method according to any one of the first aspect to the second aspect or the implementation manner thereof.

In an eighth aspect, a computer-readable storage medium is provided for storing a computer program, the computer program causing a computer to perform the method of any one of the first to second aspects or implementations thereof.

In a ninth aspect, there is provided a computer program product comprising computer program instructions to cause a computer to perform the method of any one of the first to second aspects or implementations thereof.

A tenth aspect provides a computer program that, when run on a computer, causes the computer to perform the method of any one of the first to second aspects or implementations thereof described above.

By adopting the scheme, the transmission resources for the duplicate transmission can be directly configured for the UE under the condition that two or more transmission resources exist, so that the overhead of air interface signaling is reduced, the data transmission delay is reduced, the system processing efficiency is ensured, and in addition, the flexible control mode of the data duplicate transmission is increased.

Drawings

Fig. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application;

fig. 2 is a first flowchart illustrating a method for selecting transmission resources according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating a transmission resource selection process according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of CA and DC transmission architecture;

fig. 5 is a schematic diagram illustrating a processing manner of a transmission resource selection procedure according to an embodiment of the present invention;

fig. 6-8 are schematic diagrams of formats of various MAC CEs provided by the embodiments of the present invention;

fig. 9 is a schematic diagram illustrating another processing manner of a transmission resource selection procedure according to an embodiment of the present invention;

fig. 10 is a schematic format diagram of another MAC CE according to an embodiment of the present invention;

fig. 11 is a schematic diagram illustrating another processing manner of a transmission resource selection procedure according to an embodiment of the present invention;

fig. 12 is a schematic diagram of another MAC CE format according to an embodiment of the present invention;

fig. 13 is a schematic diagram of a network device structure according to an embodiment of the present invention;

fig. 14 is a schematic diagram of a UE structure according to an embodiment of the present invention;

fig. 15 is a schematic structural diagram of a communication device according to an embodiment of the present invention;

FIG. 16 is a schematic block diagram of a chip provided by an embodiment of the present application;

fig. 17 is a schematic diagram of a communication system architecture provided in an embodiment of the present application.

Detailed Description

So that the manner in which the features and elements of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings.

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, an LTE Frequency Division Duplex (FDD) System, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication System, or a 5G System.

For example, a communication system 100 applied in the embodiment of the present application may be as shown in fig. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a UE120 (or referred to as a communication terminal, terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with UEs located within the coverage area. Optionally, the Network device 110 may be a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a Network device (NodeB, NB) in a WCDMA system, an evolved Node B (eNB or eNodeB) in an LTE system, or a wireless controller in a Cloud Radio Access Network (CRAN), or a Network device in a Mobile switching center, a relay Station, an Access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a Network-side device in a 5G Network, or a Network device in a Public Land Mobile Network (PLMN) for future evolution, or the like.

The communication system 100 also includes at least one UE120 located within the coverage area of the network device 110. "UE" as used herein includes, but is not limited to, connections via wireline, such as Public Switched Telephone Network (PSTN), Digital Subscriber Line (DSL), Digital cable, direct cable connection; and/or another data connection/network; and/or via a Wireless interface, e.g., to a cellular Network, a Wireless Local Area Network (WLAN), a digital television Network such as a DVB-H Network, a satellite Network, an AM-FM broadcast transmitter; and/or another UE's device configured to receive/transmit communication signals; and/or Internet of Things (IoT) devices. A UE configured to communicate through a radio interface may be referred to as a "radio communication terminal", "radio terminal", or "mobile terminal".

Optionally, a Device to Device (D2D) communication may be performed between UEs 120.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

An embodiment of the present invention provides a method for selecting transmission resources, which is applied to a network device, and as shown in fig. 2, the method includes:

step 21: sending a duplicate transmission configuration to the UE; wherein the duplicate transmission configuration is used for the UE to judge whether to execute the duplicate transmission and to judge transmission resources used when transmitting the data and/or the duplicate data.

Correspondingly, an embodiment of the present invention further provides a transmission resource selection method, which is applied to a UE, and as shown in fig. 3, the method includes:

step 31: receiving a copy transmission configuration sent by network equipment; wherein the duplicate transmission configuration is used for determining whether to perform the duplicate transmission and transmission resources used when transmitting the data and/or the duplicate data.

Wherein the duplicate transmission is: a transmission of duplicated data comprising at least two transmission resources. The embodiment is particularly suitable for the transmission of the duplicated data comprising 3 or more transmission resources.

The duplicate transmission configuration includes an identification of transmission resources used in transmitting data and/or duplicating data.

The aforementioned transmission data is understood as original data, and the copy data is understood as a data copy or a copy, that is, when copy transmission is performed, one transmission data and one or more copy data are included. Or, when the copy transmission state is activated, the transmission data may also be used as the copy data, that is, the transmission data (i.e., the original data) is used as one of the copy data, so that the copy transmission includes 2 or more copy data, and the scenario addressed by this embodiment may be that the copy transmission includes 3 or more copy data.

Wherein, the transmission resource used for transmitting and/or copying data includes at least one of the following:

a radio link control RLC entity used when data transmission and/or data duplication is performed, a logical channel used when data transmission and/or data duplication is performed, a CG used when data transmission and/or data duplication is performed, and a carrier used when data transmission and/or data duplication is performed.

Due to the requirement of the 5G IIoT, the transmission of services such as industrial automation, transmission automation and intelligent power in a 5G system is supported. IIoT introduces the concept of a time sensitive network, TSN, network or TSC, based on its transmission requirements of delay and reliability. In order to provide a high-reliability and low-delay transmission effect for the service, a research direction of data copy transmission and multi-connection is introduced, and an NR IIoT WID (RP-190728) determines a copy transmission architecture comprising a combination of DC and CA, so that the reliability is further improved. Regarding the duplicate transmission, as shown in fig. 4, data duplication is performed in the PDCP layer, and the same PDCP PDUs are mapped to different RLC entities, respectively. And data replication transmission, namely PDCP replication transmission. The MAC needs to transmit duplicate data of different RLC entities (RLC entity) to different carriers, where the number of the corresponding RLC entities may be at least one: 1,2,3,4, etc.

For the CA scenario, the scheme supporting data replication transmission (data replication transmission) utilizes the data replication function of PDCP to enable the replicated PDCP PDUs to be transmitted to two RLC entities (two different logical channels) respectively, and finally ensures that the replicated PDCP PDUs can be transmitted on different physical layer aggregation carriers, thereby achieving frequency diversity gain to improve data transmission reliability. As shown in DRB 1 and DRB 3 in fig. 4;

for the DC scenario, the scheme supporting data replication transmission (data replication transmission) utilizes the replicated data function of PDCP, so that the replicated PDCP PDUs are transmitted to two RLC entities, which correspond to different MAC entities. As shown in DRB ID 2 of fig. 4.

This embodiment is described below in various processing modes:

the treatment method 1,

The processing mode is mainly a replication (replication transmission) scheme determined by network equipment. The network informs the identification of the transmission resource used in the duplicate transmission through DCI or MAC CE or RRC (for example, at least one of the RLC entity, the logical channel identification, the carrier identification and the CG index can be included); accordingly, the UE determines whether to perform duplicate transmission and CG resources used on the corresponding carrier when transmitting data and/or duplicate data, according to the information.

The present processing method will be described with reference to fig. 5:

1. the network device sends the duplicate transmission configuration to the UE.

Wherein the duplicate transmission configuration at least comprises an identification of transmission resources used for the duplicate transmission.

Additionally, the replicated transmission configuration further comprises at least one of: the method comprises the steps of copying an initial state of a transmission mode, the number of copied data corresponding to the initial state, a primary cell of a cell group corresponding to a bearer configured for the UE to perform copy transmission, and a primary cell corresponding to a bearer configured for the UE to perform copy transmission.

Wherein, the initial state of the copy transmission may include activating the copy transmission or deactivating the copy transmission; here, the copy transmission may be understood as a copy function or a copy transmission function. The number of the copied data corresponding to the initial state may be set according to actual conditions, for example, the number of the copied data corresponding to the initial state may be 2 or more, or 1.

The two pieces of information can exist at the same time or only one, if the two pieces of information exist at the same time, the two pieces of information can be understood as that the indication of the two pieces of information are different, the load can correspond to the main cell group or the auxiliary cell group, and the main cell corresponding to the load configured for the UE and carrying out the duplicate transmission can be regarded as the main cell comprising the main cell group and/or the auxiliary cell group; and the primary cell carrying the corresponding cell group may be only for one of them, such as the primary cell containing only the primary cell group, or the primary cell of the secondary cell group. For example, when the primary cell corresponding to the bearer is not configured, the primary cell of the Master Cell Group (MCG) may be considered as the primary cell corresponding to the bearer, and/or the primary cell of the Secondary Cell Group (SCG) may be considered as the primary cell corresponding to the bearer.

Here, the primary cell may be understood as a CG or a specific RLC entity or logical channel of a bearer configuration. At this time, the primary cell may be understood as a primary path/RLC entity/logical channel, which may be used at least for transmitting PDCP control PDU.

The primary cell may also be understood as a CG or a specific carrier of the bearer configuration. Specifically, the primary cell may be understood as a primary carrier. For example, data carried by the configured duplicate transmission when the duplicate transmission is deactivated may be transmitted through the primary carrier (i.e., the primary cell); alternatively, the bearer configuring the duplicate transmission may be transmitted at least over the primary carrier (i.e., primary cell) when the duplicate transmission is deactivated. Optionally, the data may further include a PDCP control PDU, or the data may further include a PDCP data PDU.

Still further, the duplicate transmission configuration further comprises at least one of:

a main path or a logic channel configured for the UE and carrying out the replication transmission when the replication transmission mode is in an activated state; wherein the primary path or logical channel may be used for transmitting PDCP control PDU, and/or PDCP data (data) PDU.

A default path or a main path or a logic channel of the bearer configured for the UE and performing the replication transmission when the replication transmission mode is in a deactivated state; may be represented by an identification of a default or primary path or logical channel; can be used for transmitting PDCP control PDU and/or PDCP data PDU.

A default carrier of a carrier configured for the UE and used for carrying out copy transmission in a copy transmission mode in a deactivated state;

and configuring default configuration authorization CG for the bearer which is configured for the UE and performs the copy transmission when the copy transmission mode is in a deactivated state.

It should be understood that the aforementioned default carrier may be a default carrier list, that is, at least one default carrier may be configured for the UE in the duplicate transmission configuration, and the carrier list is formed by the at least one default carrier; the carrier can be represented by a carrier identifier, and the carrier list contains at least one default identifier of the carrier;

the default CG in the duplicate transmission configuration may be a single CG or a CG group, or may be multiple CGs (where multiple CGs may be multiple CGs in different CG groups, multiple CGs in the same CG group, or multiple CGs without grouping); that is, it may be characterized by an Index or identification of one or more CGs, or it may be characterized by an Index or identification of one or more CG groups; the transmitted duplicate transmission configuration may be represented as a CG list that includes an identification of one or more CG groups, or an identification of one or more CGs.

2. If the duplicate transmission state needs to be modified, sending first indication information to the UE through one of RRC, DCI or MAC CE;

wherein the first indication information carries at least one of the following information: modifying a bearer identifier used for transmitting data and/or duplicated data after the duplication transmission state, modifying an RLC entity identifier used for transmitting data and/or duplicated data after the duplication transmission state, modifying a logical channel identifier used for transmitting data and/or duplicated data after the duplication transmission state, modifying a cell group identifier used for transmitting data and/or duplicated data after the duplication transmission state, modifying a carrier identifier used for transmitting data and/or duplicated data after the duplication transmission state, and modifying a CG identifier used for transmitting data and/or duplicated data after the duplication transmission state.

That is, if the network device determines that the state of the duplicated transmission needs to be modified, for example, the state of the duplicated transmission needs to be modified to be activated to a deactivated state, or a leg/RLC entity that performs duplicated data transmission, the network device may notify the information to the UE through DCI or MAC CE or DCI.

The carrier identifiers and CG identifiers used for transmitting data and/or copying data after modifying the copy transmission state in the first indication information may form a corresponding list.

At least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier may also be a list, for example, a carrier identifier list. Or CG identity, carrier identity, RLC entity identity, logical channel identity, cell group identity may also be expressed in the form of a combination of bitmap identities, e.g. one bitmap identity carrier, or CG identity by one bitmap, etc.

In addition, the method for the network device to determine that the state of the duplicate transmission needs to be modified may be: the network device judges whether the state of the copy transmission needs to be modified according to the factors such as the current data transmission quantity, the packet loss rate, the channel quality, the packet type needing to be transmitted and the like. For example, if the current state is the copy transmission deactivation state, but a packet loss rate is higher or a channel quality is poor, the copy transmission deactivation may be controlled to switch to the activation state, so as to ensure a data transmission quality. On the contrary, if the current state is the activated state of the duplicate transmission, but the current channel quality is detected to be good, the duplicate transmission can be switched to the deactivated state, because one transmission resource can ensure the quality of the data transmission, and the effective utilization rate of the resource is improved. Of course, there may be other factors to determine whether to modify the duplicate transmission state, but this embodiment is not exhaustive.

Specifically, an example of a MAC CE is shown in fig. 6:

introducing a new LCID for representing the activation/deactivation of the duplicate transmission in at least two path scenarios;

a new MAC CE format is introduced. The format may include at least one of the following information: bearing identification, RLC entity/logical channel identification, cell group identification, carrier identification and CG index. Such as: the RLC entity/logical channel identification is implicit RLC entity/logical channel identification, if the RLC entity/logical channel identification occupies 4 bits, the RLC entities configured to the load are sorted in an ascending order according to index; as shown in the upper left of fig. 6, a DRB bearer may be considered to include a logical channel identifier, and when the identifier is 0001, the logical channel duplicate transmission may be considered to be activated, and if the identifier is 0000, the logical channel transmission may be considered to be deactivated. In the lower left illustration of fig. 6, it can be seen that the DRB bearer has 2 logical channels, and two logical channels are arranged in ascending order in the MAC CE, and if 0001 indicates that the first logical channel is active, and if 0010 indicates that the duplicate transmission of the second logical channel is active.

As another example, the RLC entity/logical channel identification is an implicit RLC entity/logical channel identification, such as a combined indication of RLC entity/logical channel use or non-use. If there are 4 RLC entities or logical channels, if the RLC entities allocated to the bearer are sorted according to ascending index, 0001 represents that the RLC index is the lowest, 0010 represents that the RLC entity sorted by 2 is activated, 0100 represents that the RLC entity sorted by 3 is activated, 1000 represents that the RLC entity sorted by 4 is activated (the RLC entity/logical channel with the highest index), and 0110 represents that the two RLC entities sorted by 2 and 3 are activated.

As another example, the RLC entity/logical channel identification is an explicit RLC entity/logical channel identification. Specifically, which logical channel is activated or used is indicated, and the MAC CE carries the identifier of the corresponding logical channel.

In the foregoing, mainly describing the manner of indicating activation based on the format of the new MAC CE, the deactivation may set the identifier corresponding to the RLC entity or logical channel to 0, for example, which bit is 0 represents that the corresponding logical channel is a deactivated logical channel. When the value is 0000, it represents that all corresponding logical channels are deactivated or the duplicate transmission is deactivated, or when only one bit is 1, such as 0001, it represents that only corresponding logical channels are used to transmit data or the duplicate transmission is deactivated. Or, the deactivation or activation indication may also be performed by using an existing MAC CE format, for example, see fig. 7, where Di indicates whether the ith DRB PDCP duplicate is activated or deactivated, for example, when Di sets to 1, it may indicate activation (or deactivation), and when set to 0, it may indicate deactivation (or activation); wherein, the DRBs are arranged in ascending order and configured on the MAC entity by the configured logical channel.

It should be noted that, in the MAC CE, the carrier id and/or the CG index may be carried by the MAC CE, and may also be a carrier id list and/or a CG id list, which is not exemplified here.

Referring to fig. 8, a plurality of CGs are indicated in a MAC CE, and as shown in the figure, three CGs are included, and the identity of each CG is indicated in the MAC CE; regarding whether different CGs are activated or deactivated, the way of indicating different RLC entities/logical channels may be the same, and CG identifiers may be explicitly indicated (e.g. 0001 represents the use of CG Index1, 0010 represents the use of CG Index2, and 0011 represents the use of CG Index 3), in conjunction with fig. 8, if CG Index1 and CG Index2 are activated, then the bit field in the first CG Index is 0001, and 0010 is written in the bit field in the second CG Index; the third CG Index bit field is 0000; alternatively, if the third CG is not activated, only the first two CG indexes may be included in FIG. 8.

Or identification of CG combinations (e.g. 0001 for use of CG idnex1, 0010 for use of CG index2, 0011 for use of CG index2 and 1)

In addition, the carrier identity may also be indicated in the same way as the RLC entity, for example, explicit carrier identity (e.g. 0001 for use of carrier idnex1, 0010 for use of carrier index2, and 0011 for use of carrier index 3), or identity of carrier combination (e.g. 0001 for use of carrier idnex1, 0010 for use of carrier index2, and 0011 for use of carrier indexes 2 and 1).

It should be noted that the MAC CE length may be variable or fixed. It should be noted that the MAC CE mentioned in the processing method may be applied to each processing method in this embodiment, and details are not described below.

3. The UE receives first indication information sent by the network equipment through one of RRC, DCI or MAC CE; and then the UE determines whether to perform the duplicate transmission according to the first indication information and CG resources used on the corresponding carrier when transmitting the data and/or the duplicate data.

The specific content of the first indication information is as described above, and is not described herein again.

Specifically, the UE performs at least one of:

determining which bearer, such as a DRB, is changed for the duplicated transmission according to the bearer identifier used for transmitting the data and/or the duplicated data after the first indication information modifies the duplicated transmission state;

the UE determines a path used by the transmission data and/or the duplicated data, such as which RLC entity, according to the RLC entity identifier used by the transmission data and/or the duplicated data after the duplication transmission state is modified and/or the cell group identifier used by the transmission data and/or the duplicated data after the duplication transmission state is modified;

and the UE determines that the UL grant is used for transmitting data and/or the duplicated data according to the CG identification and/or the carrier identification used for transmitting the data and/or the duplicated data after the duplication transmission state is modified, and the configured CG and/or which carrier is used for data transmission. If CG index1 is indicated, it means that the CG resource is activated or used for transmitting the bearer.

4. The UE performs data transmission or data duplication transmission according to the network indication.

In the prior art, when the network indicates that the duplicate state is changed, for example, when the network is deactivated to activated, if there is no grant resource information indicating corresponding usage, the UE needs to send an SR request for uplink resource when transmitting the UL data, and then transmits the UL data, which will cause a large transmission delay. For the service that R16 supports delay sensitivity, such a large transmission delay cannot ensure the QoS of the service, which causes a service transmission problem, affects the UE experience, and even makes a major error in industrial production. Therefore, the transmission resources required to be used can be sent to the UE as soon as possible by adopting the processing mode, and the processing efficiency is improved.

The treatment method 2,

The network informs the copy number of the copy transmission through DCI or MAC CE, and the UE determines whether to execute the copy transmission according to the obtained copies number and selects the transmission resource for bearing the copy transmission data.

The description is made with reference to fig. 9:

1. the network sends a duplicate transmission configuration for the UE. The specific processing method is the same as the foregoing processing method, and is not described again.

2. If the duplicate transmission state needs to be modified, sending second indication information to the UE through one of RRC, DCI or MAC CE; and the second indication information is used for indicating the bearer which needs to be modified by the UE and the number of the copy data corresponding to the bearer.

That is, when the network determines that the state of the duplicated transmission needs to be modified, such as modifying the number of duplicates for duplicated data transmission or performing the number of leg/RLC entities for duplicated data transmission, the network notifies the UE of the information through DCI or MAC CE. The DCI or the MAC CE may carry a corresponding bearer identifier and the number of copies (copies).

Specifically, an example of a MAC CE is shown in fig. 10:

introducing a new LCID for identifying copy transmission activation/deactivation in at least two path scenarios;

a new MAC CE format is introduced. The format may include at least one of the following information: bearer identification (DRB Index in the figure), number of copies. For example, for copies, 4 bits, e.g., 00, represents 1 copy, 01 represents 2 copies, 10 represents 3 copies, and 11 represents 4 copies.

3. The UE receives second indication information sent by the network equipment through one of RRC, DCI or MAC CE; then, according to the bearer identification in the second indication information, determining a corresponding bearer for data transmission or copy transmission; determining whether to perform copy transmission or not according to the copy transmission number in the second indication information, or determining the number of RLC entities or paths for performing copy transmission; and selecting the RLC entities or the paths for executing the duplicate transmission based on at least one of the first parameter and the number of the RLC entities or the paths.

Specifically, the UE modifies the bearer identifier of the duplicate transmission state as needed, and determines which bearer, such as the DRB, is to be changed in the duplicate transmission state.

And the UE determines whether to execute the copy transmission and the number of RLC or leg executing the copy transmission according to the copies number. If the number of copies is 1, which means no duplicate transmission is performed, the UE performs transmission using any one of the legs or primary legs. If the number of copies is 2, which means performing duplicate transmission, the UE uses 2 legs or RLC entities for transmission. If the number of copies is 3, which means performing duplicate transmission, the UE uses 3 legs or RLC entities for transmission.

After determining the number of copies or the number of legs, the UE determines which leg is selected, i.e., the UE determines the leg performing the duplicate transmission. There may be two processing manners, in one manner, after determining the number N of copies or the number N of paths (legs) (where N is an integer) for the UE, N legs may be arbitrarily selected from the legs as legs for performing copy transmission.

In another mode, after determining the number of copies or the number of legs, the UE may determine which leg is selected according to the first parameter, that is, the UE determines the leg performing the duplicate transmission. Specifically, the leg for performing the duplicate transmission may be obtained by selecting from the multiple legs according to the first parameter, or the first parameter and the comparison threshold corresponding to the first parameter.

The first parameter is at least one of:

channel quality, the number of NACKs in HARQ feedback, ARQ feedback, average delay, QOS parameters, and reliability thresholds.

Wherein, the selection is performed according to the first parameter, which can be selected based on the first parameter and the threshold corresponding to the first parameter; the first parameter and/or the comparison threshold may be indicated to the UE by the network, or may be preconfigured for the UE.

For example, when the RSRP of the Cell1 is higher than the threshold, the UE selects the Cell or the RLC entity corresponding to the Cell to transmit the duplicated data. If the number of NACKs in the HARQ feedback of Cell1 is not higher than the preset number threshold, the Cell or the RLC entity corresponding to the Cell may be selected to transmit the duplicated data. In addition, the NACK number in the HARQ feedback may further obtain the frequency of receiving the NACK, and if the frequency is not higher than a preset frequency threshold, it may also be determined to select the cell or the RLC entity corresponding to the cell to transmit the duplicate data. In addition, ARQ feedback, average delay, Qos parameters, and reliability may all set corresponding threshold values, and then are selected in a manner similar to the foregoing manner, which is not described again.

Optionally, if the carrier corresponding to the leg is a unisense carrier, the UE may decrease the priority of selecting the carrier or the RLC entity to transmit the duplicated data.

And then the UE selects the used CG resource on the selected RLC or leg or carrier. It can be understood that, according to multiple carriers used by the UE on the selected RLC entity, the CG resource used in data transmission may include a CG index; or, the CG resources used may be selected for a plurality of carriers used in the RLC entity corresponding to the selected Leg; alternatively, the CG resource to be used is selected from a plurality of carriers. For example, the UE selects a preconfigured resource with CG index of 1 to transmit the data of the bearer. One RLC entity may use multiple carriers for transmission, e.g., according to LCH-to-cell restriction. For each carrier, the CG index used when transmitting the data on each carrier is determined. Specifically, the CG index used for transmission on each carrier may be the same or different.

In addition, the MAC CE may further include at least one of the following: the number of RLC entity identifications/logical channels, the RLC entity identifications/logical channel identifications and the cell group identifications. The UE does not need to select the RLC entity and only performs the selection of the CG resource. Alternatively, the MAC CE may further include at least one of the following: CG identification, carrier identification. The UE does not need to select the CG resource and only performs the selection of the RLC entity. And are not limited herein.

4. And the UE feeds back the transmission resource selection information through the MAC CE or the physical layer signaling. Further, data transfer or data copy transfer is performed as described above.

Wherein the transmission resource selection information includes at least one of: the UE selects a carrier identifier, an RLC entity identifier, a logical channel identifier, a cell group identifier and a CG identifier. Also, the CG Index may be one or more CG indexes, that is, may be a CG list. Also, the carrier identifier may be one or more carrier identifiers, that is, may be a list of carrier identifiers.

That is to say, in the resource selection information fed back by the UE for the network device, at least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier may be in a form of a list, for example, the resource selection information may include a carrier identifier list.

Or, at least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier included in the resource selection information may also be represented in the form of a combination of bitmap identifiers, for example, a bitmap identifier identifies a carrier, or a bitmap identifier identifies a CG, or the like.

In still another case, when performing the foregoing step 1 or 2, or before performing step 3, the method may further include: sending third indication information to the UE, wherein the third indication information comprises: carrier identification and/or CG identification. Specifically, it can be understood that the third indication information includes: the identity of the transmission resource that can be used by the bearer that duplicates the transmission state needs to be modified, which may specifically be a CG identity.

It is to be understood that the identification of the transmission resource that can be used by the bearer for modifying the duplicate transmission status in the third indication information may further include at least one of a carrier identification, an RLC entity identification, a logical channel identification, and a cell group identification that can be used. At least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier that can be used may also be a list, for example, the list of carrier identifiers that can be used may be used. Or at least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier that can be used and is included in the third indication information may also be represented in the form of a combination of bitmap identifiers, such as a bitmap identifier that can use a carrier, or a CG that can use a bitmap identifier, and the like.

The third indication information may also be sent by the network device through one of MAC CE, DCI, and RRC; the third indication information indicates an identifier of a transmission resource, such as a CG index list or a CG index, that can be used on the carrier corresponding to each RLC entity. And when finally determining that the corresponding RLC entity is used for transmitting data and/or copying data, the UE determines the available CG resources according to the third indication information. The method has the advantages that the complexity of UE selection is avoided, and the main control right is given to the network, so that the UE is controllable to the network.

Since the UE is more aware of the link quality than the network, the network may only inform the number copies of duplicate transmissions, copies or RLC entities, which may be selected by the UE for activation, since the number of copies and legs is one-to-one. Therefore, the UE can have higher flexibility, the selected copied transmission resources can better fit the channel condition, and more appropriate resources are selected to effectively transmit data. Meanwhile, for the service that the R16 supports the delay sensitivity, the UE can select the CG resource suitable for the service transmission at the same time, reduce the delay of requesting the uplink grant from the network, ensure the QoS of the service, and avoid causing major errors.

Treatment methods 3,

The UE determines whether to modify the duplicate transmission mode, and informs the network of the corresponding information through the MAC CE or the physical layer information. The information may include at least one of: bearing identification, RLC entity identification/logical channel identification, cell group identification, carrier identification and CG index.

As shown in fig. 11:

1. the network sends a duplicate transmission configuration for the UE. The specific processing method is the same as the foregoing processing method, and is not described again.

In addition, the network device may also configure, by the RRC, a determination mechanism for the UE to perform duplicate transmission modification, such as a threshold, a measurement object, and the like.

2. The UE receives configuration information of the network. And carrying out data transmission according to the initial state of the copy transmission. Alternatively, when the initial transmission state is not indicated, the UE may also determine itself, or determine the initial transmission state according to a mechanism (information) configured by the network, or determine the initial transmission state according to a predefined rule, and perform transmission according to the initial transmission state.

When the UE determines that the condition for modifying the duplicate transmission is currently satisfied, such as modifying the duplicate transmission state to be activated to a deactivated state, or modifying the leg/RLC entity for transmitting the duplicate data, the UE modifies the resources used for the duplicate transmission, such as the number of RLC entities, a specific RLC entity, a carrier, and one or more CGs.

The manner in which the UE determines that the modification condition is satisfied is similar to the manner in which the network device determines the modification condition in the processing manner 1, and is only put on the UE side for processing, so that further description is omitted.

3. Sending notification information to the network device; wherein, the notification information includes transmission resources used by the UE to transmit data and/or copy data after determining to modify the copy transmission state.

The transmission resource used for data transmission or copy transmission after the copy transmission state is modified comprises at least one of the following: modifying the bearing identification used for data transmission or copy transmission after the copy transmission state, modifying the RLC entity identification used for data transmission or copy transmission after the copy transmission state, modifying the cell group identification used for data transmission or copy transmission after the copy transmission state, modifying the carrier identification used for data transmission or copy transmission after the copy transmission state, and modifying the CG identification used for data transmission or copy transmission after the copy transmission state.

Specifically, the UE may inform the UE of this information through UCI or MAC CE or RRC. The notification information may also include CG identifiers or CG group identifiers, that is, may be in the form of one or more CGs, and in this case, may be in the form of a CG list, for example, the CG list may include identifiers of one or more CGs, and may also include one or more CG group identifiers. Similarly, the notification message may also include a carrier identifier or a carrier group identifier, that is, may be in the form of one or more carriers, and in this case, may be in the form of a carrier list, for example, the carrier list may include an identifier of one or more carriers, and may also include one or more carrier group identifiers.

That is to say, in the notification information fed back by the UE for the network device, at least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier may be in a list form, for example, the resource selection information may include a carrier identifier list, a CG identifier list, and the like.

Still alternatively, at least one of the CG identifier, the carrier identifier, the RLC entity identifier, the logical channel identifier, and the cell group identifier included in the notification information may also be represented in the form of a combination of bitmap identifiers, for example, a bitmap identifier identifies a carrier, or a CG identifier is identified by a bitmap, and so on.

Specifically, the MAC CE for reporting the notification information by the UE may be as shown in fig. 12:

introducing a new LCID for identifying duplicate transmission activation/deactivation in at least two path scenarios

A new MAC CE format is introduced. The format may include at least one of the following information: bearing identification, RLC entity identification, cell group identification, carrier identification and CG index.

4. The network equipment receives the notification information, and determines whether to modify the duplicate transmission state and transmission resources to be used for transmitting data and/or duplicate data, such as which RLC entity, which carrier, which CG and the like, based on the notification information.

That is, if it is determined not to make a duplicate transmission state modification, such as a keep-alive state, based on the notification cell, then the transmission resources to be used for transmitting data and/or duplicate data may be further determined, or a keep-alive state, and the transmission resources for transmitting data may be further determined. Alternatively, if the state is maintained, the transmission resource may be used instead of determining the transmission resource. If the state is modified, for example to an activated state, the transmission resources to be used for transmitting data and/or copy data are further determined, and if the state is modified to a deactivated state, the transmission resources for transmitting data are further determined.

Since R16 may consider supporting a UE selection based duplicate transmission mechanism, the mechanism by which the UE selects duplicate transmission may be determined based on rules configured by the network. The method has the advantages of giving higher flexibility to the UE, better reflecting channel conditions and selecting more appropriate resources to effectively transmit data. Meanwhile, for the service that the R16 supports the delay sensitivity, the UE can select the CG resource suitable for the service transmission, reduce the delay of requesting the uplink grant from the network, ensure the QoS of the service, and avoid causing major errors in industrial production.

Therefore, by adopting the scheme, under the condition that two or more transmission resources exist, the transmission resources for the duplicate transmission are directly configured for the UE, so that the overhead of air interface signaling is reduced, the data transmission delay is reduced, the system processing efficiency is ensured, and in addition, the flexible control mode of the data duplicate transmission is increased.

An embodiment of the present invention provides a network device, as shown in fig. 13, including:

a first communication unit 41 that transmits the duplicate transmission configuration to the UE; wherein the duplicate transmission configuration is used for the UE to judge whether to execute the duplicate transmission and to judge transmission resources used when transmitting the data and/or the duplicate data.

Correspondingly, an embodiment of the present invention further provides a UE, as shown in fig. 14, including:

a second communication unit 51, which receives the duplicate transmission configuration sent by the network device; the copy transmission configuration is used for judging whether to execute copy transmission and transmission resources used when transmitting data and/or copy data.

The duplicate transmission configuration includes an identification of transmission resources used in transmitting data and/or duplicating data.

Wherein, the transmission resource used for transmitting and/or copying data includes at least one of the following:

This embodiment is described below in various processing modes:

the treatment method 1,

The first communication unit 41 of the network device sends the duplicate transmission configuration to the UE.

Wherein the duplicate transmission configuration at least comprises an identification of transmission resources used for the duplicate transmission.

Still further, the duplicate transmission configuration further comprises at least one of:

A default carrier of a carrier configured for the UE and used for carrying out copy transmission in a copy transmission mode in a deactivated state;

and configuring default configuration authorization CG for the bearer which is configured for the UE and performs the copy transmission when the copy transmission mode is in a deactivated state.

If the network device needs to modify the duplicate transmission state, the first communication unit 41 sends the first indication information to the UE through one of RRC, DCI, or MAC CE;

In addition, the method for the network device to determine that the state of the duplicate transmission needs to be modified may be: the first processing unit 42 of the network device determines whether the state of the duplicate transmission needs to be modified according to the current data transmission amount, the packet loss rate, the channel quality, the packet type that needs to be transmitted, and other factors. For example, if the current state is the copy transmission deactivation state, but a packet loss rate is detected to be higher or a channel quality is detected to be poor, the copy transmission deactivation may be controlled to switch to the activation state, so as to ensure a data transmission quality. On the contrary, if the current state is the copy transmission activation state, but the current channel quality is detected to be good, then the copy transmission can be switched to the deactivation state, because one transmission resource can ensure the quality of data transmission, and the effective utilization rate of the resource is improved. Of course, there may be other factors to determine whether to modify the duplicate transmission status, but this embodiment is not exhaustive.

Specifically, an example of a MAC CE is shown in fig. 6:

introducing a new LCID for representing the activation/deactivation of the duplicate transmission in at least two path scenarios;

It should be noted that, in the MAC CE, the carrier id and/or the CG index may be carried by the MAC CE, and may also be a carrier id list and/or a CG id list, which is not exemplified here.

Or identification of CG combinations (e.g. 0001 for use of CG idnex1, 0010 for use of CG index2, 0011 for use of CG index2 and 1)

A second communication unit 51 of the UE, which receives the first indication information sent by the network device through one of RRC, DCI, or MAC CE; then, the second processing unit 52 of the UE determines whether to perform the duplicate transmission and the CG resources used on the corresponding carrier when transmitting the data and/or the duplicate data according to the first indication information.

The specific content of the first indication information is as described above, and is not described herein again.

Specifically, the second processing unit 52 of the UE performs at least one of the following:

determining which bearer, such as a DRB, is subjected to change of the copy transmission state according to the bearer identifier used for transmitting the data and/or copying the data after the copy transmission state of the first indication information is modified;

The second communication unit 51 performs data transmission or data copy transmission according to the network instruction.

The treatment method 2,

The first communication unit 41 of the network device sends a duplicate transmission configuration for the UE. The specific processing method is the same as the foregoing processing method, and is not described again.

If the duplicate transmission state needs to be modified, the first communication unit 41 of the network device sends the second indication information to the UE through one of RRC, DCI, or MAC CE; and the second indication information is used for indicating the bearer which needs to be modified by the UE and the number of the copied data corresponding to the bearer.

Specifically, an example of a MAC CE is shown in fig. 10:

introducing a new LCID for identifying copy transmission activation/deactivation in at least two path scenarios;

The second communication unit 51 of the UE receives the second indication information sent by the network device through one of RRC, DCI, or MAC CE; then, according to the bearer identification in the second indication information, determining a corresponding bearer for data transmission or copy transmission; determining whether to perform copy transmission or not according to the copy transmission number in the second indication information, or determining the number of RLC entities or paths for performing copy transmission; and selecting the RLC entities or the paths for executing the duplicate transmission based on at least one of the first parameter and the number of the RLC entities or the paths.

The first parameter is at least one of:

channel quality, the number of NACKs in HARQ feedback, ARQ feedback, average delay, QOS parameters, and reliability.

The second communication unit 51 of the UE feeds back the transmission resource selection information through MAC CE or physical layer signaling. Further, as described above, data transmission or data copy transmission is performed.

In still another case, when performing the foregoing step 1 or 2, or before performing step 3, the method may further include: the first communication unit 41 sends third indication information to the UE, where the third indication information includes: the identity of the transmission resource that can be used by the bearer that duplicates the transmission state needs to be modified, which may specifically be a CG identity.

Treatment methods 3,

The UE determines whether to modify the duplicate transmission mode and informs the network of the corresponding information through the MAC CE or the physical layer information. The information may include at least one of: bearing identification, RLC entity identification/logical channel identification, cell group identification, carrier identification and CG index.

The network device sends the duplicate transmission configuration for the UE via the first communication unit 41. The specific processing method is the same as the foregoing processing method, and is not described in detail.

The second communication unit 51 of the UE receives configuration information of the network. And carrying out data transmission according to the initial state of the copy transmission. Alternatively, when the initial transmission state is not indicated, the UE may also determine itself, or determine the initial transmission state according to a mechanism (information) configured by the network, or determine the initial transmission state according to a predefined rule, and perform transmission according to the initial transmission state.

The second communication unit 51 of the UE sends notification information to the network device; wherein the notification information includes transmission resources used by the UE to transmit data and/or duplicate data after determining to modify the duplicate transmission state.

Specifically, the UE may inform the UE of this information through UCI or MAC CE or RRC.

Specifically, the MAC CE for reporting the notification information by the UE may be as shown in fig. 12:

introducing a new LCID for identifying duplicate transmission activation/deactivation in at least two path scenarios

The first communication unit 41 of the network device receives the notification information and determines, based on the notification information, whether to modify the duplicate transmission status and the transmission resources to be used for transmitting data and/or duplicate data, such as which RLC entity, which carrier, which CG, etc., by the first processing unit 42.

Fig. 15 is a schematic structural diagram of a communication device 600 according to an embodiment of the present invention, where the communication device in this embodiment may be embodied as a network device or a terminal device in the foregoing embodiments. The communication device 600 shown in fig. 15 comprises a processor 610, and the processor 610 may call up and run a computer program from a memory to implement the method in the embodiment of the present invention.

Optionally, as shown in fig. 15, the communication device 600 may further include a memory 620. From the memory 620, the processor 610 may call and run a computer program to implement the method in the embodiment of the present invention.

The memory 620 may be a separate device from the processor 610, or may be integrated into the processor 610.

Optionally, as shown in fig. 15, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 630 may include a transmitter and a receiver, among others. The transceiver 630 may further include one or more antennas.

Optionally, the communication device 600 may specifically be a network device according to the embodiment of the present invention, and the communication device 600 may implement a corresponding process implemented by the network device in each method according to the embodiment of the present invention, which is not described herein again for brevity.

Optionally, the communication device 600 may specifically be a terminal device or a network device in the embodiment of the present invention, and the communication device 600 may implement a corresponding process implemented by a mobile terminal/a terminal device in each method in the embodiment of the present invention, and for brevity, details are not described here again.

Fig. 16 is a schematic structural diagram of a chip of an embodiment of the present invention. The chip 700 shown in fig. 16 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present invention.

Optionally, as shown in fig. 16, the chip 700 may further include a memory 720. From memory 720, processor 710 may invoke and execute a computer program to implement the methods of the embodiments of the present invention.

The memory 720 may be a separate device from the processor 710, or may be integrated into the processor 710.

Optionally, the chip 700 may further include an input interface 730. The processor 710 may control the input interface 730 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.

Optionally, the chip 700 may further include an output interface 740. The processor 710 may control the output interface 740 to communicate with other devices or chips, and in particular, may output information or data to other devices or chips.

Optionally, the chip may be applied to the network device in the embodiment of the present invention, and the chip may implement the corresponding process implemented by the terminal device in each method in the embodiment of the present invention, and for brevity, details are not described here again.

It should be understood that the chips mentioned in the embodiments of the present invention may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip.

It should be understood that the processor of embodiments of the present invention may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be performed by instructions in the form of hardware integrated logic circuits or software in a processor. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in ram, flash, rom, prom, or eprom, registers, among other storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memory in the embodiment of the present invention may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.

Fig. 17 is a schematic block diagram of a communication system 800 according to an embodiment of the present application. As shown in fig. 17, the communication system 800 includes a terminal device 810 and a network device 820.

The terminal device 810 may be configured to implement the corresponding function implemented by the UE in the foregoing method, and the network device 820 may be configured to implement the corresponding function implemented by the network device in the foregoing method, which is not described herein again for brevity.

The embodiment of the invention also provides a computer readable storage medium for storing the computer program.

Optionally, the computer-readable storage medium may be applied to a network device or a terminal device in the embodiment of the present invention, and the computer program enables a computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present invention, which is not described herein again for brevity.

Embodiments of the present invention also provide a computer program product, which includes computer program instructions.

Optionally, the computer program product may be applied to a network device or a terminal device in the embodiment of the present invention, and the computer program instructions enable a computer to execute corresponding processes implemented by the network device in each method in the embodiment of the present invention, which are not described herein again for brevity.

The embodiment of the invention also provides a computer program.

Optionally, the computer program may be applied to the network device or the terminal device in the embodiment of the present invention, and when the computer program runs on a computer, the computer is enabled to execute corresponding processes implemented by the network device in the methods in the embodiment of the present invention, which is not described herein again for brevity.

Those of ordinary skill in the art will appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments provided by the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and the actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

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