阅读说明：本技术 基站的组网架构、通信控制方法及设备 (Networking architecture of base station, communication control method and equipment ) 是由 王东 单宝堃 杨光 于 2021-09-09 设计创作，主要内容包括：本申请实施例提供一种基站的组网架构、通信控制方法及设备。该组网架构包括：基带处理单元和与基带处理单元连接的多个射频拉远单元,射频拉远单元用于与终端进行视距通信；多个射频拉远单元的位置部署满足特定条件；其中,特定条件包括同一终端与多个射频拉远单元中的至少两个射频拉远单元之间均存在直射视距路径,以便同一终端能够在至少两个射频拉远单元之间进行小区切换。本申请能够避免由于遮挡导致终端和基站之间无法通信的问题,降低遮挡对基站和终端之间通信的影响。(The embodiment of the application provides a networking architecture of a base station, a communication control method and equipment. The networking architecture includes: the system comprises a baseband processing unit and a plurality of radio remote units connected with the baseband processing unit, wherein the radio remote units are used for performing line-of-sight communication with a terminal; the position deployment of a plurality of radio remote units meets a specific condition; the specific condition includes that a direct line-of-sight path exists between the same terminal and at least two remote radio units in the multiple remote radio units, so that the same terminal can perform cell switching between the at least two remote radio units. The problem that communication cannot be achieved between the terminal and the base station due to shielding can be avoided, and the influence of shielding on communication between the base station and the terminal is reduced.)

1. A networking architecture for a base station, comprising: the system comprises a baseband processing unit and a plurality of radio remote units connected with the baseband processing unit, wherein the radio remote units are used for performing line-of-sight communication with a terminal;

the position deployment of the radio remote units meets a specific condition; wherein the specific condition includes that a direct line-of-sight path exists between the same terminal and at least two remote radio units in the plurality of remote radio units, so that the same terminal can perform cell switching between the at least two remote radio units.

2. The networking architecture of claim 1, wherein the particular condition further comprises: and the included angle between two adjacent radio remote units in the at least two radio remote units and the same terminal is greater than or equal to an angle threshold value.

3. The networking architecture of claim 1, wherein the baseband processing unit is configured to:

when the first terminal is determined to meet the cell switching condition, the first terminal is controlled to be switched from a currently accessed remote radio unit to a target remote radio unit, and the target remote radio unit is a remote radio unit which has a direct line-of-sight path with the first terminal.

4. The networking architecture of claim 3, wherein multiple radio remote units correspond to a same cell, and the controlling, by the baseband processing unit, the first terminal to switch from a currently accessed radio remote unit to a target radio remote unit specifically includes:

judging whether the idle resources of the target remote radio unit can meet the speed requirement of the first terminal;

if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units;

and controlling the first terminal to be switched to a target remote radio unit from the currently accessed remote radio unit.

5. The networking architecture of claim 3, wherein the baseband processing unit is further configured to:

and periodically acquiring the resource occupancy rates of the radio remote units, and under the condition of meeting the requirement of the terminal rate, performing cell switching on the terminal to ensure that the resource occupancy rate of at least one radio remote unit in the at least two radio remote units is lower than the occupancy rate threshold.

6. Networking architecture according to any of claims 1-5, characterized in that said baseband processing unit comprises a central unit and a distributed unit; the number of the distributed units is one, and a plurality of remote radio units are all connected with the distributed units, or the number of the distributed units is multiple, one remote radio unit corresponds to one distributed unit, and the remote radio units are correspondingly connected with the distributed units.

7. A networking architecture according to any of claims 1-5, wherein the RRUs are configured to perform line-of-sight communication with terminals via millimeter waves.

8. A communication control method, comprising:

receiving a measurement report sent by a first terminal;

and when the first terminal is determined to meet the cell switching condition according to the measurement report, controlling the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct line-of-sight path with the first terminal.

9. The method of claim 8, wherein the controlling the first terminal to switch from a currently accessed remote radio unit to a target remote radio unit comprises:

judging whether the idle resources of the target remote radio unit can meet the speed requirement of the first terminal;

if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units;

and controlling the first terminal to be switched to a target remote radio unit from the currently accessed remote radio unit.

10. The method of claim 8, further comprising:

the resource occupancy rates of a plurality of radio remote units are periodically obtained, and the resource occupancy rate of at least one radio remote unit in at least two random radio remote units which have direct sight distance paths with the same terminal is lower than the occupancy rate threshold when the terminal is deployed in a position by switching the terminal in a cell under the condition of meeting the speed requirement of the terminal.

11. A communication control method is applied to a video transmission scene, and is characterized by comprising the following steps:

receiving a measurement report sent by a first terminal in the process of transmitting video data;

and when the first terminal is determined to meet the cell switching condition according to the measurement report, controlling the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct visual distance path with the first terminal, so that video data is transmitted between the first terminal and the currently accessed remote radio unit, and video data is transmitted between the first terminal and the target remote radio unit.

12. A baseband processing unit, comprising: a memory, a processor; the memory is to store one or more computer instructions, wherein the one or more computer instructions, when executed by the processor, implement the method of any of claims 8 to 11.

13. A computer program product comprising computer program instructions which, when executed by a processor, implement the method of any one of claims 8 to 11.

14. A computer-readable storage medium, having stored thereon a computer program which, when executed, implements the method of any of claims 8 to 11.

Technical Field

The present application relates to the field of communications technologies, and in particular, to a networking architecture of a base station, a communication control method and a device.

Background

The millimeter wave generally refers to an electromagnetic wave having a wavelength of 1 mm to 10 mm and a frequency of 30GHz to 300 GHz. Compared with the low frequency, the millimeter wave frequency band has abundant frequency spectrum resources, has great advantages in carrier bandwidth, can realize large-bandwidth transmission of 400MHz and 800MHz, and realizes data transmission with ultrahigh speed. In order to realize high capacity, high speed and low time delay, the communication frequency band must extend towards the millimeter wave direction. Millimeter waves have the advantages of large bandwidth and high speed, but millimeter wave propagation is easily influenced by shielding, so how to reduce the influence of shielding on communication between a base station and a terminal becomes a problem to be solved urgently at present.

Disclosure of Invention

The embodiment of the application provides a networking architecture of a base station, a communication control method and equipment, which are used for solving the problem of how to reduce the influence on the communication between the base station and a terminal due to shielding in the prior art.

In a first aspect, an embodiment of the present application provides a networking architecture of a base station, including: the system comprises a baseband processing unit and a plurality of radio remote units connected with the baseband processing unit, wherein the radio remote units are used for performing line-of-sight communication with a terminal;

the position deployment of the radio remote units meets a specific condition; wherein the specific condition includes that a direct line-of-sight path exists between the same terminal and at least two remote radio units in the plurality of remote radio units, so that the same terminal can perform cell switching between the at least two remote radio units.

In a second aspect, an embodiment of the present application provides a communication control method, including:

receiving a measurement report sent by a first terminal;

and when the first terminal is determined to meet the cell switching condition according to the measurement report, controlling the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct line-of-sight path with the first terminal.

In a third aspect, an embodiment of the present application provides a communication control method, applied to a video transmission scene, including:

receiving a measurement report sent by a first terminal in the process of transmitting video data;

and when the first terminal is determined to meet the cell switching condition according to the measurement report, controlling the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct visual distance path with the first terminal, so that video data is transmitted between the first terminal and the currently accessed remote radio unit, and video data is transmitted between the first terminal and the target remote radio unit.

In a fourth aspect, an embodiment of the present application provides a communication control apparatus, including:

a receiving module, configured to receive a measurement report sent by a first terminal;

and a switching module, configured to control the first terminal to switch from a currently accessed remote radio unit to a target remote radio unit when it is determined that the first terminal meets a cell switching condition according to the measurement report, where the target remote radio unit is a remote radio unit having a direct line-of-sight path with the first terminal.

In a fifth aspect, an embodiment of the present application provides a communication control apparatus, which is applied to a video transmission scene, and includes:

the receiving module is used for receiving a measurement report sent by a first terminal in the process of transmitting video data;

and a switching module, configured to control the first terminal to switch from a currently accessed remote radio unit to a target remote radio unit when it is determined that the first terminal meets a cell switching condition according to the measurement report, where the target remote radio unit is a remote radio unit having a direct line-of-sight path with the first terminal, so that video data is transmitted between the first terminal and the currently accessed remote radio unit, and the video data is switched to be transmitted between the first terminal and the target remote radio unit.

In a sixth aspect, an embodiment of the present application provides a baseband processing unit, including: a memory, a processor; the memory is configured to store one or more computer instructions, wherein the one or more computer instructions, when executed by the processor, implement the method of any of the second aspects.

In a seventh aspect, an embodiment of the present application provides a baseband processing unit, including: a memory, a processor; the memory is configured to store one or more computer instructions, wherein the one or more computer instructions, when executed by the processor, implement the method of any of the third aspects.

In an eighth aspect, the present application provides a computer program product comprising computer program instructions which, when executed by a processor, implement the method according to any one of the second aspect.

In a ninth aspect, the present application provides a computer program product comprising computer program instructions which, when executed by a processor, implement the method according to any one of the third aspect.

In a tenth aspect, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the method according to any one of the second aspects is implemented.

In an eleventh aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the method according to any one of the third aspect is implemented.

In the embodiment of the application, from the networking angle of the base station, the position arrangement of the multiple radio remote units of the base station meets the condition that a direct-sight distance path exists between the same terminal and at least two radio remote units, so that the same terminal can perform cell switching between the at least two radio remote units, and further, when a radio wave signal which is transmitted in a straight line between the terminal and the currently accessed radio remote unit is blocked, the terminal can be switched to a target radio remote unit which has the direct-sight distance path to communicate with the target radio remote unit, thereby avoiding the problem that the communication between the terminal and the base station cannot be performed due to the blocking, and reducing the influence of the blocking on the communication between the base station and the terminal.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a networking architecture of a base station according to an embodiment of the present application;

fig. 2 is a schematic diagram illustrating a handover between remote radio units according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a networking architecture of a base station according to another embodiment of the present application;

fig. 4 is a schematic structural diagram of a networking architecture of a base station according to another embodiment of the present application;

fig. 5 is a flowchart illustrating a communication control method according to an embodiment of the present application;

fig. 6 is a flowchart illustrating a communication control method according to another embodiment of the present application;

fig. 7 is a schematic flowchart of a data transmission method according to another embodiment of the present application;

fig. 8 is a schematic structural diagram of a communication control apparatus according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a baseband control unit according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a communication control apparatus according to another embodiment of the present application;

fig. 11 is a schematic structural diagram of a baseband control unit according to another embodiment of the present application;

fig. 12 is a schematic structural diagram of a data transmission device according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of a baseband control unit according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely 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 terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a" and "an" typically include at least two, but do not exclude the presence of at least one.

It should be understood that the term "and/or" as used herein is merely one type of association that describes 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.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

In addition, the sequence of steps in each method embodiment described below is only an example and is not strictly limited.

For the convenience of those skilled in the art to understand the technical solutions provided in the embodiments of the present application, a technical environment for implementing the technical solutions is described below.

The propagation modes of the wireless communication system can be divided into Line of Sight (LOS) and non-Line of Sight (NLOS), and the communication using radio waves in the Line of Sight propagation mode for information transmission is Line of Sight communication. In the line-of-sight propagation method, radio wave signals need to be propagated linearly between a transmitting end and a receiving end without being blocked, because when the radio wave signals are blocked in the linear propagation between the transmitting end and the receiving end, the signal strength is obviously reduced.

The millimeter wave has the advantages of large bandwidth and high speed, but also has the disadvantages of large propagation loss and weak diffraction and diffraction capabilities due to high frequency points, and is easily influenced by rainfall, tree shelter, and the shelter and absorption of other shelters on the electric wave in the millimeter wave propagation process. The millimeter wave is suitable for the line-of-sight propagation method in terms of the propagation characteristics of the millimeter wave.

However, in practical applications, even if millimeter wave signals can be propagated linearly between the base station and the terminal without being blocked when the base station is deployed, the change of the surrounding environment is not controllable, for example, when an indoor engineering workshop is networked, millimeter wave signals between the terminal and the base station may be blocked due to personnel walking, mechanical arm rotation and the like around the terminal, and since the millimeter wave beam is narrow, the communication link between the base station and the terminal is likely to be broken due to slight blocking, and thus communication between the terminal and the base station cannot be performed.

In the embodiment of the application, starting from the networking angle of the base station, the position arrangement of the multiple radio remote units of the base station meets the condition that direct sight distance paths exist between the same terminal and at least two radio remote units, so that the same terminal can perform cell switching between the at least two radio remote units, and further, when a radio wave signal which is transmitted in a straight line between the terminal and a currently accessed radio remote unit is shielded, the terminal can be switched to another radio remote unit which has the direct sight distance paths to communicate with the other radio remote unit, the problem that communication between the terminal and the base station cannot be performed due to shielding can be avoided, and the influence of shielding on communication between the base station and the terminal is reduced.

A direct sight distance path exists between the terminal and the radio remote unit, and the direct sight distance path represents that radio wave signals can be transmitted linearly between the terminal and the radio remote unit without shielding. If the direct line-of-sight path between the terminal and the remote radio unit is blocked, the direct line-of-sight path does not exist between the terminal and the remote radio unit, and the radio wave signal which is transmitted in a straight line between the terminal and the remote radio unit is blocked.

A Terminal (Terminal) may also be referred to as a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), an access Terminal, a Terminal device, a subscriber unit, a subscriber Station, a Mobile Station, a remote Terminal, a Mobile device, a User Terminal, a wireless communication device, a User agent, or a User Equipment. The terminal may communicate with one or more core networks through a base station. The terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with a Wireless communication function, a computer device or a vehicle-mounted device, a wearable device, a terminal device in a future 5G network, and the like.

The base station, i.e. the public mobile communication base station, refers to a radio transceiver station for information transmission between a mobile communication switching center and a terminal in a certain radio coverage area. The baseband part and the radio frequency part of the base station may be separated. The baseband part may be referred to as a baseband processing unit, the radio frequency part may be referred to as a radio remote unit, the baseband processing unit and the radio remote unit may be connected by an optical fiber, and one baseband processing unit may support a plurality of radio remote units. The remote radio unit can also receive the radio frequency signal through the antenna, convert the received radio frequency signal into a baseband signal and send the baseband signal to the baseband processing unit.

It should be understood that the specific manner in which the base station divides the baseband processing Unit and the Radio remote Unit may be different in different communication systems, for example, in a 5th Generation (5G) communication system, the base station may be divided into a Central Unit (CU), a Distributed Unit (DU), and a Radio Unit (RU), where the Central Unit + the Distributed Unit may be understood as a baseband processing Unit and the Radio Unit may be understood as a Radio remote Unit.

It should be noted that the networking architecture of the base station provided in the embodiment of the present application may be applied to a networking scenario that a line-of-sight propagation manner needs to be adopted between the base station and the terminal, and the type of data specifically transmitted in the networking scenario that the line-of-sight propagation manner is adopted is not limited in the present application, and may be, for example, video data, sensor data, control data, and the like.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Fig. 1 is a schematic structural diagram of a networking architecture of a base station according to an embodiment of the present application, and as shown in fig. 1, the networking architecture may include: the terminal comprises a baseband processing unit 11 and a plurality of remote radio units 12 connected with the baseband processing unit 11, wherein the remote radio units 12 are used for performing line-of-sight communication with the terminal. It should be noted that the number of the remote radio units in fig. 1 is only an example.

The location deployment of the multiple remote radio units 12 satisfies a specific condition, where the specific condition includes that a direct line-of-sight path exists between the same terminal and at least two remote radio units 12 in the multiple remote radio units 12, so that the same terminal can perform cell handover between the at least two remote radio units 12. It should be understood that when there is a direct line-of-sight path between the same terminal and at least two remote radio units 12, the signal coverage areas of the at least two remote radio units 12 overlap, and the same terminal is located within the overlapping coverage area of the at least two remote radio units 12. It should be noted that, in fig. 1, a circle with the remote radio unit 12 as a center represents a signal coverage area of the remote radio unit 12.

In practice, the position of the terminal may be fixed, or the terminal may move along a fixed path. The position of the terminal can be considered when the position of the remote radio unit is deployed, so that the same terminal and at least two remote radio units in the multiple remote radio units can have direct line-of-sight paths through the position of the remote radio unit.

Taking the example that the same terminal and two remote radio units both have direct line-of-sight paths, as shown in fig. 1, the terminal X may be within the signal coverage range of the two remote radio units 12, and the direct line-of-sight paths both exist between the terminal X and the two remote radio units 12. Further, as shown in fig. 2, assuming that the terminal X is currently connected to one of the two remote radio units 12 (denoted as remote radio unit 12A), the terminal X may communicate through a communication link (denoted as communication link a) between the terminal X and the remote radio unit 12A. In the process that the terminal X communicates through the communication link a, as shown in fig. 2, if the direct line-of-sight path between the terminal X and the radio remote unit 12A is blocked by an obstacle, since the direct line-of-sight path also exists between the terminal X and the radio remote unit (denoted as the radio remote unit 12B), the terminal X may also establish a communication link (denoted as the communication link B) with the radio remote unit 12B and communicate through the communication link B, so that the probability of communication failure between the terminal and the base station due to blocking can be reduced, and the influence of blocking on communication between the base station and the terminal is reduced.

Optionally, the specific conditions may further include: an included angle between two adjacent radio remote units in the at least two radio remote units 12 and the same terminal is greater than or equal to an angle threshold. The angle threshold value may be determined experimentally or empirically, for example.

It can be understood that the smaller the included angle between two adjacent radio remote units and the same terminal is, the greater the probability that the radio wave signal between the same terminal and two adjacent radio remote units is simultaneously blocked is; the larger the included angle between two adjacent remote radio units and the same terminal is, the smaller the probability that the radio wave signals between the same terminal and the two adjacent remote radio units are simultaneously shielded is. Therefore, through the fact that the included angle between two adjacent radio remote units and the same terminal is larger than or equal to the angle threshold value, the probability that radio wave signals between the same terminal and two adjacent radio remote units are simultaneously shielded due to the fact that the included angle between the two adjacent radio remote units and the same terminal is too small can be reduced.

Illustratively, the baseband processing unit 11 may include a CU and a DU, and the radio remote unit 12 is specifically an RU. Based on this, in one embodiment, the networking architecture of the base station may be, for example, as shown in fig. 3, the baseband processing unit 11 may include one CU and one DU, and the remote radio unit 12 is specifically a plurality of RUs connected to the DU, which are RU1, RU2, RU3 and RU4, respectively. It should be noted that the number of terminals, the number of RUs, the number of DUs, and the direct line-of-sight path between one terminal and two RUs in fig. 3 are only examples.

In another embodiment, as shown in fig. 4, the base station networking structure may be that the baseband processing unit 11 includes one CU and a plurality of DUs, which are DU1, DU2, DU3 and DU4, respectively, the radio remote unit 12 is specifically a plurality of RUs, which are RU1, RU2, RU3 and RU4, respectively, one RU corresponds to one DU, and the DUs are connected to the RUs correspondingly. It should be noted that the number of terminals, the number of RUs, and the number of DUs in fig. 4, where one DU is connected to one RU, and one terminal has a direct line-of-sight path between two RUs is merely an example.

In the networking architecture shown in fig. 3 and 4, terminal 1 and RUs 1 and 2 all have a direct line-of-sight path therebetween, and the RU currently accessed by terminal 1 is RU1 and can be switched from RU1 to RU 2; terminal 2 and RU2 and RU3 each have a direct line-of-sight path therebetween, the RU currently accessed by terminal 2 is RU2, and RU3 can be switched by RU 2; terminal 3 has a direct line-of-sight path with RU3 and RU4, and the RU currently accessed by terminal 3 is RU3 and can be switched from RU3 to RU 4. Note that, in fig. 3 and 4, a solid line between an RU and a terminal indicates an RU currently accessed by the terminal, and a dotted line between an RU and the terminal indicates an RU to which the terminal can be handed over.

In the embodiment of the present application, the electromagnetic wave used for the communication between the remote radio unit 12 and the terminal may be any type of electromagnetic wave that needs to be propagated in a line-of-sight propagation manner. In one embodiment, the electromagnetic wave may include a millimeter wave, that is, the remote radio unit 12 may be specifically configured to perform line-of-sight communication with the terminal through the millimeter wave.

In the embodiment of the application, as the same terminal and the at least two remote radio units all have direct sight distance paths, the switching of the remote video units accessed by the terminal can be realized. Based on this, in one embodiment, the baseband processing unit 11 may be configured to: and when the first terminal is determined to meet the cell switching condition, controlling the first terminal to be switched from the currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct line-of-sight path with the first terminal.

The first terminal may be any terminal within the coverage of the base station. Taking the first terminal meeting the cell switching condition as the terminal X in fig. 2 as an example, the currently accessed remote radio unit may be the remote radio unit 12A, and the target remote radio unit may be the remote radio unit 12B. Taking the first terminal satisfying the cell handover condition as terminal 1 in fig. 3 and 4 as an example, the currently accessed remote radio unit may include RU1, and the target remote radio unit may include RU 2.

The cell handover condition is related to a cell quality of a cell in which the first terminal currently camps. When radio wave signals which are transmitted in a straight line between the first terminal and the radio remote unit which is accessed currently are shielded, the signal intensity of radio waves between the first terminal and the radio remote unit which is accessed currently is obviously reduced, the base band processing unit considers that the quality of the cell in which the base station resides is poor, and the first terminal can be further determined to meet the cell switching condition.

It should be understood that the cell in the embodiment of the present application refers to a logical cell. The relationship between the remote radio unit 12 and the cell may include: the remote radio units may correspond to cells one to one, or a plurality of remote radio units may correspond to one cell. For the former, the cell handover may specifically be inter-cell handover, and the cell handover condition may specifically be an inter-cell handover condition; for the latter, the cell handover may include intra-cell handover, and the cell handover condition may specifically include an inter-cell handover condition.

It should be noted that, for the cell handover condition, reference may be made to the detailed description in the related art, and details are not described herein. The following description will be mainly made by taking an example in which cell switching includes inter-cell switching.

For example, the first terminal may be controlled to switch from the currently camped cell to the target cell corresponding to the target radio frequency unit by controlling the first terminal to switch from the currently accessed radio frequency remote unit to the target radio frequency remote unit, so that when a radio wave signal that is linearly propagated between the first terminal and the currently accessed radio frequency remote unit is blocked, the first terminal may be switched to the target radio frequency remote unit having a direct line-of-sight path with the first terminal. It should be noted that, for the cell handover procedure, reference may be made to the detailed description in the related art, and details are not described herein again.

In an embodiment, the baseband processing unit 11 may directly control the first terminal to switch from the currently accessed remote radio unit to the target remote radio unit when it is determined that the first terminal satisfies the cell switching condition.

In another embodiment, in a case that a plurality of radio remote units correspond to the same cell, the baseband processing unit 11 may also consider a load condition of the target radio remote unit before controlling the terminal to switch from the currently accessed radio remote unit to the target radio remote unit, so as to avoid a problem caused by directly switching the first terminal to the target radio remote unit under a condition that the load of the target radio remote unit is heavy, for example, a problem that a rate of the first terminal after switching is low.

Based on this, the baseband processing unit 11 controls the first terminal to switch from the currently accessed remote radio unit to the target remote radio unit, and specifically includes: judging whether idle resources of a target remote radio unit can meet the speed requirement of a first terminal; if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units; and controlling the first terminal to be switched to the target remote radio unit from the currently accessed remote radio unit. By controlling at least part of the terminals accessed to the target remote radio unit and switching to other remote radio units, enough resources can be reserved on the target remote radio unit for the first terminal.

The idle resources may include idle transmission resources and idle computing resources, among others. Exemplarily, the rate supported by the direct-view path under the condition of no shielding can be calculated according to the idle resources, if the calculated rate is greater than the rate required by the first terminal, it can be determined that the idle resources of the target radio remote unit satisfy the rate requirement of the first terminal, otherwise, it can be determined that the idle resources of the target radio remote unit do not satisfy the rate requirement of the first terminal. For example, when the direct line-of-sight path between the terminal and the currently accessed radio frequency pulling element unit is not blocked, the speed of the terminal may be used as the speed required by the speed requirement of the first terminal.

At least a part of the terminals accessed to the target remote radio unit may be any one or more terminals in the accessed target remote radio unit, or may also be one or more terminals located at the edge of the coverage area of the target remote radio unit. It should be understood that, if the idle resource of the target remote radio unit can meet the speed requirement of the first terminal, the first terminal may be directly controlled to switch from the currently accessed remote radio unit to the target remote radio unit.

For example 1, referring to fig. 3 and 4, assuming that the first terminal is terminal 1, the currently accessed remote radio unit is RU1, and the target remote radio unit is RU2, it may be determined whether idle resources of RU2 meet the rate requirement of terminal 1, and if not, at least some terminals (e.g., terminal 2) that have accessed RU2 may be controlled to switch to RU3 first, and then terminal 1 is controlled to switch from RU1 to RU 2.

In example 1, to avoid the problem caused by directly switching terminal 2 to RU3 in the case of heavy RU3 load, similarly, before controlling terminal 2 to switch to RU3, it may be determined whether the idle resources of RU3 meet the rate requirement of terminal 2, if so, terminal 2 having accessed RU2 may be controlled to switch to RU3, otherwise, at least some terminals (e.g., terminal 3) having accessed RU3 may be controlled to switch to RU4, and then terminal 2 may be controlled to switch from RU2 to RU 3.

Optionally, in order to ensure that the terminal can be switched to the remote radio unit meeting the rate requirement, the baseband processing unit 11 may further be configured to: the resource occupancy rates of the radio remote units are periodically obtained, and the resource occupancy rate of at least one radio remote unit in the at least two radio remote units 12 is lower than the occupancy rate threshold by switching the terminal in the cell under the condition that the terminal rate requirement is met. And reserving sufficient resources for the terminal which is possibly switched in by using the resource occupancy rate lower than the occupancy rate threshold, wherein the occupancy rate threshold can be set and adjusted according to the actual condition.

Referring to fig. 3 and 4, a CU may periodically obtain resource occupancy rates of RU1 to RU4, respectively, and perform cell handover on a terminal under a condition that a terminal rate requirement is satisfied, so that the resource occupancy rate of at least one of RU1 and RU2 is lower than an occupancy rate threshold, the resource occupancy rate of at least one of RU2 and RU3 is lower than the occupancy rate threshold, and the resource occupancy rate of at least one of RU3 and RU4 is lower than the occupancy rate threshold.

For example, a CU may cause resource occupancy of RU1 and RU3 to be below an occupancy threshold by cell switching the terminal. On this basis, assuming that radio wave signals traveling straight between the terminal 1 and the RU1 are blocked and the free resources of the RU2 do not satisfy the rate requirement of the terminal 1, since the resource occupancy of the RU3 is lower than the occupancy threshold, at least some UEs having accessed the RU2 may be switched to the RU3 first, and then the terminal 1 may be switched to the RU 2.

Optionally, in order to facilitate the baseband processing unit to implement that the resource occupancy rate of at least one radio remote unit of the at least two radio remote units 12 having a direct line-of-sight path with the same terminal is lower than the occupancy rate threshold, the resource redundancy rate of the whole plurality of radio remote units 12 may be greater than or equal to the redundancy threshold. The redundancy threshold may be determined empirically or experimentally, for example.

The networking architecture of base station that this embodiment provided, set out through the networking angle from the base station, the position deployment of a plurality of radio frequency remote units of base station satisfies all there is this condition of direct-projection stadia route between same terminal and two at least radio frequency remote units, make same terminal can carry out the district switching between two at least radio frequency remote units, and then make when the radio wave signal of rectilinear propagation is sheltered from between terminal and its current radio frequency remote unit of inserting, can switch to and have another radio frequency remote unit of direct-projection stadia route with it and communicate, thereby can avoid leading to the problem of unable communication between terminal and the base station owing to sheltering from, reduce and shelter from the influence to communication between base station and the terminal.

Fig. 5 is a flowchart illustrating a communication control method according to an embodiment of the present application, where the communication control method may be applied to a networking architecture of a base station according to the foregoing embodiment, as shown in fig. 5, the method according to this embodiment may include:

step 51, receiving a measurement report sent by a first terminal;

and step 52, when it is determined that the first terminal meets the cell switching condition according to the measurement report, controlling the first terminal to switch from a currently accessed remote radio unit to a target remote radio unit, where the target remote radio unit is a remote radio unit having a line-of-sight path with the first terminal.

It should be noted that, for the measurement report, reference may be made to the detailed description in the related art, and details are not described herein.

In an embodiment, in a case that a radio remote unit corresponds to a cell one to one, the controlling the first terminal to switch from a currently accessed radio remote unit to a target radio remote unit may specifically include: judging whether the idle resources of the target remote radio unit can meet the speed requirement of the first terminal; if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units; and controlling the first terminal to be switched from the currently accessed remote radio unit to the target remote radio unit. Therefore, before the first terminal is controlled to be switched from the currently accessed remote radio unit to the target remote radio unit, the load condition of the target remote radio unit can be considered first, and the problem caused by directly switching the first terminal to the target remote radio unit under the condition that the load of the target remote radio unit is heavy, such as the problem that the speed of the first terminal is low after switching, is avoided.

In an embodiment, the method provided in the embodiment of the present application may further include: the resource occupancy rates of a plurality of radio remote units are periodically obtained, and the resource occupancy rate of at least one radio remote unit in at least two random radio remote units which have direct sight distance paths with the same terminal is lower than the occupancy rate threshold when the terminal is deployed in a position by switching the terminal in a cell under the condition of meeting the speed requirement of the terminal. Thereby ensuring that the terminal can be switched to the remote radio unit meeting the speed requirement.

In the communication control method provided by this embodiment, by receiving the measurement report sent by the first terminal, when it is determined that the first terminal meets the cell switching condition according to the measurement report, the first terminal is controlled to be switched from the currently accessed remote radio unit to the target remote radio unit, where the target remote radio unit is a remote radio unit having a line-of-sight path with the first terminal, and when a communication link between the first terminal and the currently accessed remote radio unit is poor due to shielding, the first terminal is controlled to be switched from the currently accessed remote radio unit to the target remote radio unit having a direct line-of-sight path with the first terminal, so as to avoid a problem that communication between the terminal and the base station cannot be performed due to shielding.

Fig. 6 is a flowchart illustrating a communication control method according to another embodiment of the present application, where the communication control method may be applied to a video transmission scenario + the networking architecture of the base station according to the foregoing embodiment, as shown in fig. 6, the method according to this embodiment may include:

step 61, receiving a measurement report sent by a first terminal in the process of transmitting video data;

step 62, when it is determined that the first terminal meets the cell handover condition according to the measurement report, controlling the first terminal to switch from a currently accessed remote radio unit to a target remote radio unit, where the target remote radio unit is a remote radio unit having a direct line-of-sight path with the first terminal, so as to transmit video data between the first terminal and the currently accessed remote radio unit, and switching to transmit video data between the first terminal and the target remote radio unit.

The method provided by the embodiment of the application can be applied to any type of scene needing to transmit video data. Taking a video transmission scene as a video conference scene as an example, the video data transmitted by the first terminal may specifically be video conference data. Taking a video transmission scene as a live video scene as an example, the video data transmitted by the first terminal may specifically be live video data. Taking a video transmission scene as an automatic driving scene as an example, the video data transmitted by the first terminal may specifically be driving video data.

It should be noted that, for the measurement report, reference may be made to the detailed description in the related art, and details are not described herein.

In an embodiment, in a case that a radio remote unit corresponds to a cell one to one, the controlling the first terminal to switch from a currently accessed radio remote unit to a target radio remote unit may specifically include: judging whether the idle resources of the target remote radio unit can meet the speed requirement of the first terminal; if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units; and controlling the first terminal to be switched from the currently accessed remote radio unit to the target remote radio unit. Therefore, before the first terminal is controlled to be switched from the currently accessed remote radio unit to the target remote radio unit, the load condition of the target remote radio unit can be considered first, and the problem caused by directly switching the first terminal to the target remote radio unit under the condition that the load of the target remote radio unit is heavy, such as the problem that the speed of the first terminal is low after switching, is avoided.

In an embodiment, the method provided in the embodiment of the present application may further include: the resource occupancy rates of a plurality of radio remote units are periodically obtained, and the resource occupancy rate of at least one radio remote unit in at least two random radio remote units which have direct sight distance paths with the same terminal is lower than the occupancy rate threshold when the terminal is deployed in a position by switching the terminal in a cell under the condition of meeting the speed requirement of the terminal. Thereby ensuring that the terminal can be switched to the remote radio unit meeting the speed requirement.

The communication control method provided by this embodiment, by receiving the measurement report sent by the first terminal in the process of transmitting video data, when the first terminal is determined to meet the cell switching condition according to the measurement report, the first terminal is controlled to be switched from the currently accessed remote radio unit to a target remote radio unit, the target remote radio unit is a remote radio unit which has a line-of-sight path with the first terminal, when the video data is transmitted between the first terminal and the currently accessed remote radio unit and is switched to be transmitted between the first terminal and the target remote radio unit, the video data transmission rate between the first terminal and the currently accessed remote radio unit can be reduced due to shielding, and controlling the first terminal to be switched from the currently accessed remote radio unit to a target remote radio unit with a direct line-of-sight path with the first terminal, so as to avoid the problem that video data cannot be transmitted between the terminal and the base station due to shielding.

Fig. 7 is a schematic flow diagram of a data transmission method according to an embodiment of the present application, where the data transmission method may be applied to an automatic driving scenario + the networking architecture of a base station according to the foregoing embodiment, and as shown in fig. 7, the method according to this embodiment may include:

step 71, determining that the automatic driving terminal is switched from the first remote radio unit to a second remote radio unit, wherein the second remote radio unit is a remote radio unit which has a direct sight distance path with the automatic driving terminal;

and 72, switching from transmitting data between the first remote radio unit and the automatic driving terminal to transmitting data between the second remote radio unit and the automatic driving terminal.

In an embodiment, it may be determined that the automatic driving terminal is switched from the first remote radio unit to the second remote radio unit through an interactive signaling in a cell switching process, and a specific implementation manner may refer to specific description in the related art, which is not described herein again.

It should be understood that step 72 is performed before data is transmitted between the first remote radio unit and the autopilot terminal, that is, the baseband processing unit may transmit a baseband signal to be sent to the autopilot terminal to the first remote radio unit, the first remote radio unit may convert the baseband signal into a radio frequency signal and transmit the radio frequency signal through an antenna, and the baseband processing unit may further receive the baseband signal from the autopilot terminal sent by the first remote radio unit.

After step 72 is executed, data is transmitted between the second remote radio unit and the autopilot terminal, that is, the baseband processing unit may transmit a baseband signal to be sent to the autopilot terminal to the second remote radio unit, the second remote radio unit may convert the baseband signal into a radio frequency signal and transmit the radio frequency signal through an antenna, and the baseband processing unit may further receive the baseband signal from the autopilot terminal sent by the second remote radio unit.

The data received from the automatic driving terminal through the first remote radio unit or the second remote radio unit may include, for example, radar data, video data, positioning data, and the like, and the data sent to the automatic driving terminal through the first remote radio unit or the second remote radio unit may be, for example, control instruction data, and the like.

It should be noted that, as to a specific manner of controlling the automatic driving terminal to switch from the currently accessed remote radio unit to the target remote radio unit, reference may be made to the related description in the foregoing embodiments, and details are not repeated herein.

According to the data transmission method provided by the embodiment of the application, the fact that the automatic driving terminal is switched from the first remote radio unit to the second remote radio unit is determined, data are transmitted between the first remote radio unit and the automatic driving terminal, and data are transmitted between the second remote radio unit and the automatic driving terminal is changed into the fact that data are transmitted between the second remote radio unit and the automatic driving terminal, under the automatic driving scene, when the rate of video data transmission between the automatic driving terminal and the first remote radio unit is reduced due to shielding, the data transmission between the first remote radio unit and the automatic driving terminal is switched into the data transmission between the second remote radio unit and the automatic driving terminal, and therefore the problem that video data cannot be transmitted between the terminal and the base station in the automatic driving scene due to shielding is solved.

Fig. 8 is a schematic structural diagram of a communication control apparatus according to an embodiment of the present application; referring to fig. 8, the present embodiment provides a communication control apparatus, which may perform the method of the embodiment shown in fig. 5, and specifically, the apparatus may include:

a receiving module 81, configured to receive a measurement report sent by a first terminal;

a switching module 82, configured to control the first terminal to switch from a currently accessed remote radio unit to a target remote radio unit when it is determined that the first terminal meets a cell switching condition according to the measurement report, where the target remote radio unit is a remote radio unit having a direct line-of-sight path with the first terminal.

Optionally, under the condition that the remote radio units are in one-to-one correspondence with the cells, the switching module 82 is configured to control the first terminal to switch from the currently accessed remote radio unit to the target remote radio unit, and specifically may include: judging whether the idle resources of the target remote radio unit can meet the speed requirement of the first terminal; if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units; and controlling the first terminal to be switched from the currently accessed remote radio unit to the target remote radio unit.

Optionally, the switching module 82 is further configured to: the resource occupancy rates of a plurality of radio remote units are periodically obtained, and the resource occupancy rate of at least one radio remote unit in at least two random radio remote units which have direct sight distance paths with the same terminal is lower than the occupancy rate threshold when the terminal is deployed in a position by switching the terminal in a cell under the condition of meeting the speed requirement of the terminal. Thereby ensuring that the terminal can be switched to the remote radio unit meeting the speed requirement.

The apparatus shown in fig. 8 can perform the method of the embodiment shown in fig. 5, and reference may be made to the related description of the embodiment shown in fig. 5 for a part of this embodiment that is not described in detail. The implementation process and technical effect of the technical solution are described in the embodiment shown in fig. 5, and are not described herein again.

In one possible implementation, the structure of the apparatus shown in fig. 8 may be implemented as a baseband processing unit. As shown in fig. 9, the baseband processing unit may include: a processor 91 and a memory 92. Wherein the memory 92 is used for storing programs that support the baseband processing unit to execute the method provided in the embodiment shown in fig. 5, and the processor 91 is configured for executing the programs stored in the memory 92.

The program comprises one or more computer instructions which, when executed by the processor 91, are capable of performing the steps of:

receiving a measurement report sent by a first terminal;

and when the first terminal is determined to meet the cell switching condition according to the measurement report, controlling the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct line-of-sight path with the first terminal.

Optionally, the processor 91 is further configured to perform all or part of the steps in the foregoing embodiment shown in fig. 5.

The structure of the baseband processing unit may further include a communication interface 93, which is used for the baseband processing unit to communicate with other devices or a communication network.

Fig. 10 is a schematic structural diagram of a communication control apparatus according to another embodiment of the present application; referring to fig. 10, the present embodiment provides a communication control apparatus, which may perform the method of the embodiment shown in fig. 6, and specifically, the apparatus may include:

a receiving module 101, configured to receive a measurement report sent by a first terminal in a process of transmitting video data;

a switching module 102, configured to control, when it is determined that the first terminal meets a cell switching condition according to the measurement report, the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, where the target remote radio unit is a remote radio unit having a direct line-of-sight path with the first terminal, so that video data is transmitted between the first terminal and the currently accessed remote radio unit, and video data is switched to be transmitted between the first terminal and the target remote radio unit.

Optionally, under the condition that the remote radio units are in one-to-one correspondence with the cells, the switching module 102 is configured to control the first terminal to switch from the currently accessed remote radio unit to the target remote radio unit, and specifically may include: judging whether the idle resources of the target remote radio unit can meet the speed requirement of the first terminal; if not, controlling at least part of terminals accessed to the target remote radio unit, and switching to other remote radio units; and controlling the first terminal to be switched from the currently accessed remote radio unit to the target remote radio unit.

Optionally, the switching module 102 is further configured to: the resource occupancy rates of a plurality of radio remote units are periodically obtained, and the resource occupancy rate of at least one radio remote unit in at least two random radio remote units which have direct sight distance paths with the same terminal is lower than the occupancy rate threshold when the terminal is deployed in a position by switching the terminal in a cell under the condition of meeting the speed requirement of the terminal. Thereby ensuring that the terminal can be switched to the remote radio unit meeting the speed requirement.

The apparatus shown in fig. 10 can perform the method of the embodiment shown in fig. 6, and reference may be made to the related description of the embodiment shown in fig. 6 for a part of this embodiment that is not described in detail. The implementation process and technical effect of the technical solution refer to the description in the embodiment shown in fig. 6, and are not described herein again.

In one possible implementation, the structure of the apparatus shown in fig. 10 may be implemented as a baseband processing unit. As shown in fig. 11, the baseband processing unit may include: a processor 111 and a memory 112. Wherein the memory 112 is used for storing programs that support the baseband processing unit to execute the method provided in the embodiment shown in fig. 6, and the processor 111 is configured to execute the programs stored in the memory 112.

The program comprises one or more computer instructions, wherein the one or more computer instructions, when executed by the processor 111, are capable of performing the steps of:

receiving a measurement report sent by a first terminal in the process of transmitting video data;

and when the first terminal is determined to meet the cell switching condition according to the measurement report, controlling the first terminal to be switched from a currently accessed remote radio unit to a target remote radio unit, wherein the target remote radio unit is a remote radio unit which has a direct visual distance path with the first terminal, so that video data is transmitted between the first terminal and the currently accessed remote radio unit, and video data is transmitted between the first terminal and the target remote radio unit.

Optionally, the processor 111 is further configured to perform all or part of the steps in the foregoing embodiment shown in fig. 6.

The structure of the baseband processing unit may further include a communication interface 113, which is used for the baseband processing unit to communicate with other devices or a communication network.

Fig. 12 is a schematic structural diagram of a data transmission device according to an embodiment of the present application; referring to fig. 12, the present embodiment provides a data transmission apparatus, which may perform the method of the embodiment shown in fig. 7, and specifically, the apparatus may include:

a determining module 121, configured to determine that the autonomous driving terminal is switched from the first remote radio unit to a second remote radio unit, where the second remote radio unit is a remote radio unit having a direct line-of-sight path with the autonomous driving terminal;

the switching module 122 is configured to switch from transmitting data between the first remote radio unit and the autopilot terminal to transmitting data between the second remote radio unit and the autopilot terminal.

The apparatus shown in fig. 12 can execute the method of the embodiment shown in fig. 7, and reference may be made to the related description of the embodiment shown in fig. 7 for a part of this embodiment that is not described in detail. The implementation process and technical effect of the technical solution are described in the embodiment shown in fig. 7, and are not described herein again.

In one possible implementation, the structure of the apparatus shown in fig. 12 may be implemented as a baseband processing unit. As shown in fig. 13, the baseband processing unit may include: a processor 131 and a memory 132. Wherein the memory 132 is used for storing programs that support the baseband processing unit to execute the method provided in the embodiment shown in fig. 7, and the processor 131 is configured to execute the programs stored in the memory 132.

The program comprises one or more computer instructions which, when executed by the processor 131, enable the following steps to be performed:

determining that the automatic driving terminal is switched from a first remote radio unit to a second remote radio unit, wherein the second remote radio unit is a remote radio unit which has a direct sight distance path with the automatic driving terminal;

and switching to data transmission between the second remote radio unit and the automatic driving terminal.

Optionally, the processor 131 is further configured to perform all or part of the steps in the foregoing embodiment shown in fig. 7.

The structure of the baseband processing unit may further include a communication interface 133, which is used for the baseband processing unit to communicate with other devices or a communication network.

In addition, the embodiment of the present application also provides a computer program product, which includes computer program instructions, and when the instructions are executed by a processor, the method provided by the embodiment shown in fig. 5 is implemented.

Embodiments of the present application further provide a computer program product, which includes computer program instructions, and when the instructions are executed by a processor, the method provided in the embodiment shown in fig. 6 is implemented.

Embodiments of the present application further provide a computer program product, which includes computer program instructions, and when the instructions are executed by a processor, the method provided in the embodiment shown in fig. 7 is implemented.

The embodiment of the present application further provides a computer-readable storage medium, which is characterized in that a computer program is stored thereon, and when the computer program is executed, the method provided by the embodiment shown in fig. 5 is implemented.

The embodiment of the present application further provides a computer-readable storage medium, which is characterized in that a computer program is stored thereon, and when the computer program is executed, the method provided by the embodiment shown in fig. 6 is implemented.

The embodiment of the present application further provides a computer-readable storage medium, which is characterized in that a computer program is stored thereon, and when the computer program is executed, the method provided by the embodiment shown in fig. 7 is implemented.

The above-described embodiments of the apparatus are merely illustrative, and 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 modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement such a technique without inventive effort.

Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by adding a necessary general hardware platform, and of course, can also be implemented by a combination of hardware and software. With this understanding in mind, the above-described technical solutions and/or portions thereof that contribute to the prior art may be embodied in the form of a computer program product, which may be embodied on one or more computer-usable storage media having computer-usable program code embodied therein (including but not limited to disk storage, CD-ROM, optical storage, etc.).

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.

Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, linked lists, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.