阅读说明：本技术 下行物理控制信道的控制方法、终端设备及gNodeB (Control method of downlink physical control channel, terminal equipment and gNodeB ) 是由 周伟 毛杰 陈波 余为波 刘国森 王进德 邓少华 于 2019-11-15 设计创作，主要内容包括：本发明实施例涉及一种下行物理控制信道的控制方法、终端设备及gNodeB,包括：接收gNodeB广播的系统消息；终端设备从系统消息中获取PRACH的配置信息；确定终端设备的移动速度,以及根据移动速度处于当前载波间隔下对应的限制优先级；确定终端设备与gNodeB的距离信息,根据距离信息与零自相关区配置索引对应的索引值；基于限制优先级和索引值确定移动终端的参数信息；终端设备将参数信息插入Preamble码序列中,将携带有参数信息的Preamble码序列通过PRACH发送给gNodeB；gNodeB根据携带有参数信息的Preamble码序列控制下行物理控制信道PDCCH的聚合度,通过5G终端设备的移动速度、距离基站的距离信息来动态控制下行物理控制信道PDCCH的聚合度,以此实现5G终端设备与网络侧更快更高效地传输。(The embodiment of the invention relates to a control method of a downlink physical control channel, terminal equipment and a gNodeB, comprising the following steps: receiving a system message broadcasted by a gNodeB; the terminal equipment acquires the configuration information of the PRACH from the system message; determining the moving speed of the terminal equipment and the corresponding limiting priority level according to the moving speed under the current carrier interval; determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and the zero autocorrelation area; determining parameter information of the mobile terminal based on the restriction priority and the index value; the terminal equipment inserts the parameter information into a Preamble code sequence and sends the Preamble code sequence carrying the parameter information to gNodeB through PRACH; and the gNodeB controls the polymerization degree of the Physical Downlink Control Channel (PDCCH) according to the Preamble code sequence carrying the parameter information, and dynamically controls the polymerization degree of the PDCCH according to the moving speed of the 5G terminal equipment and the distance information from the base station, so that the 5G terminal equipment and the network side can transmit more quickly and efficiently.)

1. A method for controlling a downlink physical control channel (PDCCH) is characterized by comprising the following steps:

the terminal equipment receives a system message broadcasted by a gNodeB;

the terminal equipment acquires the configuration information of a Physical Random Access Channel (PRACH) from the system message;

determining the moving speed of the terminal equipment and according to the corresponding limit priority of the moving speed under the current carrier interval;

determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and a zero autocorrelation area;

determining parameter information of the mobile terminal based on the restriction priority and the index value;

the terminal equipment inserts the parameter information into a Preamble code sequence and sends the Preamble code sequence carrying the parameter information to the gNodeB through a PRACH;

and the gNodeB controls the polymerization degree of a Physical Downlink Control Channel (PDCCH) according to the Preamble code sequence carrying the parameter information.

2. The method of claim 1, wherein the determining the distance information between the terminal device and the gNodeB, and wherein an index value corresponding to a zero autocorrelation area configuration index according to the distance information comprises:

determining distance information of a terminal device and the gNodeB based on a reference signal;

matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information;

wherein the index value comprises: 5 and 12.

3. The method of claim 2, wherein determining distance information of a terminal device from the gNodeB based on the reference signal comprises:

determining distance information of the terminal device and the gNodeB based on the received power of the reference signal;

if the receiving power is less than or equal to-80 dBm, the distance information is a long distance;

if the received power is larger than-80 dBm, the distance information is a short distance;

the matching of the configuration information according to the distance information to obtain an index value corresponding to a configuration index of the zero autocorrelation area includes:

if the distance information is a short distance, the index value corresponding to the short distance is 5;

and if the distance information is a long distance, the index value corresponding to the long distance is 12.

4. The method of claim 3, wherein the limiting priority according to the moving speed corresponding to the current carrier interval comprises:

if the moving speed of the terminal equipment is less than 5km/h, determining that the moving speed is low speed, and the corresponding limiting priority of the low speed under the current carrier interval is 0;

if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1;

and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

5. The method of claim 4, wherein the gNodeB controls a polymerization degree of a Physical Downlink Control Channel (PDCCH) according to the Preamble code sequence carrying the parameter information, and the method comprises the following steps:

determining an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the limiting priority in the parameter information;

and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

6. A terminal device, comprising:

the receiving module is used for receiving the system message broadcasted by the gNodeB;

an obtaining module, configured to obtain configuration information of a physical random access channel PRACH from the system message;

a determining module, configured to determine a moving speed of the terminal device, and determine a corresponding priority limit according to the moving speed at a current carrier interval;

the determining module is further configured to determine distance information between the terminal device and the gNodeB, and configure an index value corresponding to an index according to the distance information and a zero autocorrelation area;

the determining module is further configured to determine parameter information of the mobile terminal based on the restriction priority and the index value;

and the sending module is used for inserting the parameter information into a Preamble code sequence and sending the Preamble code sequence carrying the parameter information to the gNodeB through a PRACH.

7. The terminal device of claim 6, wherein the determining module is specifically configured to determine distance information between the terminal device and the gNodeB based on a reference signal; matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information; wherein the index value comprises: 5 and 12;

or the like, or, alternatively,

determining distance information of the terminal device and the gNodeB based on the received power of the reference signal; if the receiving power is less than or equal to-80 dBm, the distance information is a long distance; if the received power is larger than-80 dBm, the distance information is a short distance; if the distance information is a short distance, the index value corresponding to the short distance is 5; and if the distance information is a long distance, the index value corresponding to the long distance is 12.

8. The terminal device according to claim 7, wherein the determining module is specifically configured to determine that the moving speed is a low speed if the moving speed of the terminal device is less than 5km/h, and a limiting priority corresponding to the low speed being in a current carrier interval is 0; if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1; and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

9. A gNodeB, comprising:

a sending module for broadcasting system messages;

the receiving module is used for receiving a Preamble code sequence which is sent by the terminal equipment and carries parameter information;

and the control module is used for controlling the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information.

10. The gNodeB of claim 9, wherein the control module is specifically configured to determine an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the restricted priority in the parameter information; and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

Technical Field

The embodiment of the invention relates to the field of 5G communication, in particular to a control method of a downlink physical control channel, terminal equipment and a gNodeB.

Background

The requirement for the interaction delay between the terminal equipment and the network side in 5G is higher, more information is carried by less signaling, and after the terminal equipment in 5G reads the system information issued by the network side to complete the downlink synchronization process, the terminal equipment sends the uplink synchronization message to the network side and receives the response fed back by the network side.

The generation of uplink code sequences is determined according to tables 6.3.3.1-3 and 6.3.3.1-4 in a protocol 38211 when the configuration parameters of a physical random access channel PRACH in the existing protocol are configured, and how to control a downlink physical control channel PDCCH in the code sequences transmitted by the terminal device in the uplink is not specified in the existing protocol, so that the terminal device and the network side can transmit more quickly and efficiently.

Disclosure of Invention

In view of this, to solve the technical problems or some technical problems, embodiments of the present invention provide a control method, a terminal device, and a nodeb.

In a first aspect, an embodiment of the present invention provides a method for controlling a downlink physical control channel, including:

the terminal equipment receives a system message broadcasted by a gNodeB;

the terminal equipment acquires the configuration information of a Physical Random Access Channel (PRACH) from the system message;

determining the moving speed of the terminal equipment and according to the corresponding limit priority of the moving speed under the current carrier interval;

determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and a zero autocorrelation area;

determining parameter information of the mobile terminal based on the restriction priority and the index value;

the terminal equipment inserts the parameter information into a Preamble code sequence and sends the Preamble code sequence carrying the parameter information to the gNodeB through a PRACH;

and the gNodeB controls the polymerization degree of a Physical Downlink Control Channel (PDCCH) according to the Preamble code sequence carrying the parameter information.

In a possible implementation manner, the determining distance information between the terminal device and the nodeb, and according to an index value corresponding to the distance information and a zero autocorrelation area configuration index, includes:

determining distance information of a terminal device and the gNodeB based on a reference signal;

matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information;

wherein the index value comprises: 5 and 12.

In one possible embodiment, the determining distance information of the terminal device from the gNodeB based on the reference signal includes:

determining distance information of the terminal device and the gNodeB based on the received power of the reference signal;

if the receiving power is less than or equal to-80 dBm, the distance information is a long distance;

if the received power is larger than-80 dBm, the distance information is a short distance;

the matching of the configuration information according to the distance information to obtain an index value corresponding to a configuration index of the zero autocorrelation area includes:

if the distance information is a long distance, the index value corresponding to the long distance is 5;

and if the distance information is short distance, the index value corresponding to the long distance is 10.

In a possible embodiment, the determining the moving speed of the terminal device and the limiting priority corresponding to the moving speed being in the current carrier interval includes:

if the moving speed of the terminal equipment is less than 5km/h, determining that the moving speed is low speed, and the corresponding limiting priority of the low speed under the current carrier interval is 0;

if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1;

and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

In a possible implementation, the controlling, by the nodeb, the aggregation degree of a downlink physical control channel PDCCH according to the Preamble code sequence carrying the parameter information includes:

determining an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the limiting priority in the parameter information;

and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

In a second aspect, an embodiment of the present invention provides a terminal device, including:

the receiving module is used for receiving the system message broadcasted by the gNodeB;

an obtaining module, configured to obtain configuration information of a physical random access channel PRACH from the system message;

a determining module, configured to determine a moving speed of the terminal device, and determine a corresponding priority limit according to the moving speed at a current carrier interval;

the determining module is further configured to determine distance information between the terminal device and the gNodeB, and configure an index value corresponding to an index according to the distance information and a zero autocorrelation area;

the determining module is further configured to determine parameter information of the mobile terminal based on the restriction priority and the index value;

and the sending module is used for inserting the parameter information into a Preamble code sequence and sending the Preamble code sequence carrying the parameter information to the gNodeB through a PRACH.

In a possible embodiment, the determining module is specifically configured to determine, based on a reference signal, distance information between a terminal device and the nodeb; matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information; wherein the index value comprises: 5 and 12;

or the like, or, alternatively,

determining distance information of the terminal device and the gNodeB based on the received power of the reference signal; if the receiving power is less than or equal to-80 dBm, the distance information is a long distance; if the received power is larger than-80 dBm, the distance information is a short distance; if the distance information is a long distance, the index value corresponding to the long distance is 5; and if the distance information is short distance, the index value corresponding to the long distance is 12.

In a possible implementation manner, the determining module is specifically configured to determine that the moving speed is a low speed if the moving speed of the terminal device is less than 5km/h, where a limiting priority corresponding to the low speed in a current carrier interval is 0; if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1; and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

In a third aspect, an embodiment of the present invention provides a nodeb, including:

a sending module for broadcasting system messages;

the receiving module is used for receiving a Preamble code sequence which is sent by the terminal equipment and carries parameter information;

and the control module is used for controlling the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information.

In a possible embodiment, the control module is specifically configured to determine an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the limiting priority in the parameter information; and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

In the method for controlling a downlink physical control channel according to the embodiment of the present invention, a system message broadcasted by a nodeb is received by a terminal device; the terminal equipment acquires the configuration information of a Physical Random Access Channel (PRACH) from the system message; determining the moving speed of the terminal equipment and according to the corresponding limit priority of the moving speed under the current carrier interval; determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and a zero autocorrelation area; determining parameter information of the mobile terminal based on the restriction priority and the index value; the terminal equipment inserts the parameter information into a Preamble code sequence and sends the Preamble code sequence carrying the parameter information to the gNodeB through a PRACH; and the gNodeB controls the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information, and dynamically controls the polymerization degree of the PDCCH through the moving speed of the 5G terminal equipment and the distance information from the base station in the process of communication between the 5G terminal equipment and the 5G base station, so that the 5G terminal equipment and a network side can transmit more quickly and efficiently.

Drawings

Fig. 1 is a flowchart illustrating a method for controlling a downlink physical control channel according to an embodiment of the present invention;

fig. 2 is a flowchart illustrating another method for controlling a downlink physical control channel according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a gsnodeb according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another terminal device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another gsnodeb according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.

For the convenience of understanding of the embodiments of the present invention, the following description will be further explained with reference to specific embodiments, which are not to be construed as limiting the embodiments of the present invention.

Fig. 1 is a schematic flow chart of a method for controlling a downlink physical control channel according to an embodiment of the present invention, and as shown in fig. 1, the method specifically includes:

s11, the terminal device receives the system message broadcasted by the gNodeB.

The method for controlling a downlink physical control channel provided in the embodiments of the present invention is applied to communication between a terminal device with a 5G function and a 5G base station (gNodeB), where first, the gNodeB broadcasts a system message to the terminal device in the base station in a broadcast manner (this process may be considered as downlink synchronization), the terminal device sends a random access preamble sequence (RA-preamble) to the base station through a physical random access channel PRACH according to the broadcast message, and the base station feeds back to the terminal device whether the network access is successful (uplink synchronization) according to the random access preamble sequence.

S12, the terminal device obtains the configuration information of the physical random access channel PRACH from the system message.

The system message contains configuration information of a physical random access channel PRACH, and the configuration information may include: prach-ConfigIndex, Flag, and zeroCorrelationZonecfig. The PRACH-ConfigIndex is a configuration index of the PRACH, and is used to determine a format, a transmission timestamp, and the like of a random access preamble sequence, Flag is a distance parameter, such as near (near) and far (remote), zeroCorrelationZoneConfig is a configuration index of a zero autocorrelation region, and includes two index values 5 and 12, where the index value 5 corresponds to the near (near) and the index value 12 corresponds to the near (remote).

S13, determining the moving speed of the terminal equipment, and according to the corresponding limit priority of the moving speed under the current carrier interval.

The terminal device self-tests the moving speed of the terminal device, and determines a corresponding limiting priority according to the obtained moving speed and the current carrier interval, wherein the limiting priority can represent the moving speed of the terminal device at the current carrier interval.

The moving speed is divided into low speed, medium speed and high speed, and the carrier interval may be: 1.25kHZ or 5kHZ, the restriction priority being: 0. 1 and 2.

The restriction priority corresponding to the low speed at the current carrier interval is 0, the restriction priority corresponding to the medium speed at the current carrier interval is 1, and the restriction priority corresponding to the high speed at the current carrier interval is 2.

S14, determining the distance information between the terminal device and the gNodeB, and configuring an index value corresponding to the index according to the distance information and the zero autocorrelation area.

The distance information between the terminal device and the nodeb is determined by obtaining the reference signal strength, in this embodiment, the distance information may be divided into a short distance (near) and a long distance (long distance), where the short distance (near) corresponds to an index value 5 of the zero autocorrelation area configuration index, and the short distance (remote) corresponds to an index value 12 of the zero autocorrelation area configuration index.

S15, determining the parameter information of the mobile terminal based on the restriction priority and the index value.

S16, the terminal equipment inserts the parameter information into a Preamble code sequence, and sends the Preamble code sequence carrying the parameter information to the gNodeB through PRACH.

And taking the index values of the restricted priority and the configuration index of the zero autocorrelation area as the parameter information of the terminal equipment, inserting the parameter information into a Preamble code sequence to obtain a random access Preamble code sequence (RA-Preamble), and sending the RA-Preamble to the gNodeB through the PRACH.

And S17, the gNodeB controlling the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information.

And the gNodeB receives the RA-preamble to obtain the parameter information of the terminal equipment, returns the message of accessing the gNodeB to the terminal equipment, and controls the polymerization degree of a downlink physical control channel (PDCCH) for downlink communication between the gNodeB and the terminal equipment through the parameter information.

Fig. 2 is a schematic flow chart of another method for controlling a downlink physical control channel according to an embodiment of the present invention, and as shown in fig. 2, the method specifically includes:

s21, the terminal device receives the system message broadcasted by the gNodeB.

S22, the terminal device obtains the configuration information of the physical random access channel PRACH from the system message.

And S23, determining the moving speed of the terminal equipment.

And S24, according to the corresponding limit priority of the moving speed under the current carrier interval.

In this embodiment, 5km/h and 100km/h are used as the division of low speed, medium speed and high speed of the mobile terminal, if the mobile speed of the terminal device is less than 5km/h, it is determined that the mobile speed is low speed, and the corresponding restriction priority of the low speed under the current carrier interval is 0; if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1; and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

And S25, determining the distance information between the terminal device and the gNodeB based on the received power of the reference signal.

In this embodiment, a received power of-80 dBm of a reference signal is used as a division that a distance between a terminal device and a base station is a short distance or a long distance, and if the received power is less than or equal to-80 dBm, the distance information is a long distance; and if the received power is larger than-80 dBm, the distance information is a short distance.

And S26, matching an index value corresponding to the configuration index of the zero autocorrelation area from the configuration information according to the distance information.

If the distance information is a short distance, the index value corresponding to the short distance is 5; and if the distance information is a long distance, the index value corresponding to the long distance is 12.

S27, determining the parameter information of the mobile terminal based on the restriction priority and the index value.

The parameter information may represent information of the mobile terminal, and under the same carrier interval and the same restriction priority, the larger the index value corresponding to the zero autocorrelation area configuration index is, the larger the parameter information is, it indicates that: the distance between the terminal equipment and the gNodeB becomes longer and longer.

Specifically, if the priority of restriction of the terminal device is 0 (the speed is low), and the index value is 5 (the distance is short), the parameter information Ncs is 0; if the limiting priority of the terminal device is 0 (the speed is low), the index value is 12 (the distance is long), and the parameter information Ncs is 15;

if the restriction priority of the terminal device is 1 (medium speed) and the index value is 5 (short distance), the parameter information Ncs: 36; if the restriction priority of the terminal device is 1 (medium speed) and the index value is 12 (long distance), the parameter information Ncs is 68;

if the priority of restriction of the terminal device is 2 (speed is high) and the index value is 5 (distance is short), the parameter information Ncs is 38; if the restriction priority of the terminal device is 2 (high speed) and the index value is 12 (short distance), the parameter information Ncs is 76.

S28, the terminal equipment inserts the parameter information into a Preamble code sequence, and sends the Preamble code sequence carrying the parameter information to the gNodeB through PRACH.

And S29, determining the aggregation coefficient of the PDCCH by the gNodeB according to the first weight corresponding to the index value and the second weight corresponding to the limiting priority in the parameter information.

And S210, controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

In this embodiment, the aggregation coefficients of the PDCCH may be divided into: 1.2 and 4, wherein an aggregation coefficient 1 indicates that a physical downlink control channel (i.e. PDCCH) is composed of 1 Control Channel Element (CCE), an aggregation coefficient 2 indicates that the physical downlink control channel is composed of 2 CCE, and an aggregation coefficient 4 indicates that the physical downlink control channel is composed of 4 CCE, and the PDCCH is used for carrying downlink control information, so that the more the CCE is, the stronger the carrying capacity is.

Further, parameter information Ncs of 0 and 15 corresponds to the aggregation coefficient 1, parameter information Ncs of 36 and 38 corresponds to the aggregation coefficient 2, and parameter information Ncs of 68 and 76 corresponds to the aggregation coefficient 4.

And selecting the polymerization coefficient according to the parameter information, and further controlling the polymerization degree of the PDCCH by controlling the number of the channel units.

In the method for controlling a downlink physical control channel according to the embodiment of the present invention, a system message broadcasted by a nodeb is received by a terminal device; the terminal equipment acquires the configuration information of a Physical Random Access Channel (PRACH) from the system message; determining the moving speed of the terminal equipment and according to the corresponding limit priority of the moving speed under the current carrier interval; determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and a zero autocorrelation area; determining parameter information of the mobile terminal based on the restriction priority and the index value; the terminal equipment inserts the parameter information into a Preamble code sequence and sends the Preamble code sequence carrying the parameter information to the gNodeB through a PRACH; and the gNodeB controls the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information, and dynamically controls the polymerization degree of the PDCCH through the moving speed of the 5G terminal equipment and the distance information from the base station in the process of communication between the 5G terminal equipment and the 5G base station, so that the 5G terminal equipment and a network side can transmit more quickly and efficiently.

Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention, and as shown in fig. 3, the structure specifically includes:

a receiving module 31, configured to receive a system message broadcasted by a nodeb;

an obtaining module 32, configured to obtain configuration information of a physical random access channel PRACH from the system message;

a determining module 33, configured to determine a moving speed of the terminal device, and determine a corresponding priority limit according to the moving speed at a current carrier interval;

the determining module 33 is further configured to determine distance information between the terminal device and the nodeb, and configure an index value corresponding to an index according to the distance information and a zero autocorrelation area;

the determining module 33 is further configured to determine parameter information of the mobile terminal based on the restriction priority and the index value;

a sending module 34, configured to insert the parameter information into a Preamble code sequence, and send the Preamble code sequence carrying the parameter information to the gsnodeb through a PRACH.

In a possible embodiment, the determining module 33 is specifically configured to determine distance information between a terminal device and the nodeb based on a reference signal; matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information; wherein the index value comprises: 5 and 12;

or the like, or, alternatively,

determining distance information of the terminal device and the gNodeB based on the received power of the reference signal; if the receiving power is less than or equal to-80 dBm, the distance information is a long distance; if the received power is larger than-80 dBm, the distance information is a short distance; if the distance information is a long distance, the index value corresponding to the long distance is 5; and if the distance information is short distance, the index value corresponding to the long distance is 12.

In a possible embodiment, the determining module 33 is specifically configured to determine that the moving speed is a low speed if the moving speed of the terminal device is less than 5km/h, where a limiting priority corresponding to the low speed in the current carrier interval is 0; if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1; and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

The terminal device provided in this embodiment may be the terminal device shown in fig. 3, and may execute all the steps of the method for controlling the downlink physical control channel shown in fig. 1-2, so as to achieve the technical effect of the method for controlling the downlink physical control channel shown in fig. 1-2.

Fig. 4 is a schematic structural diagram of a gsnodeb according to an embodiment of the present invention, and as shown in fig. 3, the structure specifically includes:

a sending module 41, configured to broadcast a system message;

a receiving module 42, configured to receive a Preamble code sequence carrying parameter information sent by a terminal device;

and a control module 43, configured to control a polymerization degree of a downlink physical control channel PDCCH according to the Preamble code sequence carrying the parameter information.

In a possible embodiment, the control module 43 is specifically configured to determine an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the limiting priority in the parameter information; and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

The gsnodeb provided in this embodiment may be the gsnodeb shown in fig. 4, and may perform all the steps of the method for controlling the downlink physical control channel shown in fig. 1-2, so as to achieve the technical effect of the method for controlling the downlink physical control channel shown in fig. 1-2.

Fig. 5 is a schematic structural diagram of another terminal device according to an embodiment of the present invention, where the terminal device 500 shown in fig. 5 includes: at least one processor 501, memory 502, at least one network interface 504, and other user interfaces 503. The various components in the terminal device 500 are coupled together by a bus system 505. It is understood that the bus system 505 is used to enable connection communications between these components. The bus system 505 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 505 in FIG. 5.

The user interface 503 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.

It is to be understood that the memory 502 in embodiments of the present 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 Read-only memory (PROM), an erasable programmable Read-only memory (erasabprom, EPROM), an electrically erasable programmable Read-only memory (EEPROM), or a flash memory. The volatile memory may be a Random Access Memory (RAM) which functions as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (staticiram, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (syncronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced synchronous SDRAM (ESDRAM), synchronous link SDRAM (SLDRAM), and direct memory bus SDRAM (DRRAM). The memory 502 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

In some embodiments, memory 502 stores elements, executable units or data structures, or a subset thereof, or an expanded set thereof as follows: an operating system 5021 and application programs 5022.

The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application 5022 includes various applications, such as a media player (MediaPlayer), a Browser (Browser), and the like, for implementing various application services. The program for implementing the method according to the embodiment of the present invention may be included in the application program 5022.

In the embodiment of the present invention, by calling a program or an instruction stored in the memory 502, specifically, a program or an instruction stored in the application 5022, the processor 501 is configured to execute the method steps provided by the method embodiments, for example, including:

receiving a system message broadcasted by a gNodeB; acquiring configuration information of a Physical Random Access Channel (PRACH) from the system message; determining the moving speed of the terminal equipment and according to the corresponding limit priority of the moving speed under the current carrier interval; determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and a zero autocorrelation area; determining parameter information of the mobile terminal based on the restriction priority and the index value; and inserting the parameter information into a Preamble code sequence, and sending the Preamble code sequence carrying the parameter information to the gNodeB through the PRACH.

In one possible embodiment, the distance information of the terminal device from the gNodeB is determined based on a reference signal; matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information; wherein the index value comprises: 5 and 12; or, determining distance information between the terminal device and the gNodeB based on the received power of the reference signal; if the receiving power is less than or equal to-80 dBm, the distance information is a long distance; if the received power is larger than-80 dBm, the distance information is a short distance; if the distance information is a long distance, the index value corresponding to the long distance is 5; and if the distance information is short distance, the index value corresponding to the long distance is 12.

In a possible implementation manner, if the moving speed of the terminal device is less than 5km/h, determining that the moving speed is a low speed, and the corresponding limiting priority of the low speed under the current carrier interval is 0; if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1; and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

The method disclosed by the above-mentioned embodiments of the present invention may be applied to the processor 501, or implemented by the processor 501. The processor 501 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 501. The processor 501 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, or discrete hardware components. 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 elements in the decoding processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502 and completes the steps of the method in combination with the hardware.

It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.

For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.

The terminal device provided in this embodiment may be the terminal device shown in fig. 5, and may execute all the steps of the method for controlling the downlink physical control channel shown in fig. 1-2, so as to achieve the technical effect of the method for controlling the downlink physical control channel shown in fig. 1-2.

The embodiment of the invention also provides a storage medium (computer readable storage medium). The storage medium herein stores one or more programs. Among others, the storage medium may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.

When one or more programs in the storage medium are executable by one or more processors, the method for controlling the downlink physical control channel performed on the control device side of the downlink physical control channel is implemented.

The processor is configured to execute a control program of the downlink physical control channel stored in the memory, so as to implement the following steps of the control method of the downlink physical control channel executed on the control device side of the downlink physical control channel:

receiving a system message broadcasted by a gNodeB; acquiring configuration information of a Physical Random Access Channel (PRACH) from the system message; determining the moving speed of the terminal equipment and according to the corresponding limit priority of the moving speed under the current carrier interval; determining distance information between the terminal equipment and the gNodeB, and configuring an index value corresponding to an index according to the distance information and a zero autocorrelation area; determining parameter information of the mobile terminal based on the restriction priority and the index value; and inserting the parameter information into a Preamble code sequence, and sending the Preamble code sequence carrying the parameter information to the gNodeB through the PRACH.

In one possible embodiment, the distance information of the terminal device from the gNodeB is determined based on a reference signal; matching an index value corresponding to a configuration index of a zero autocorrelation area from the configuration information according to the distance information; wherein the index value comprises: 5 and 12; or, determining distance information between the terminal device and the gNodeB based on the received power of the reference signal; if the receiving power is less than or equal to-80 dBm, the distance information is a long distance; if the received power is larger than-80 dBm, the distance information is a short distance; if the distance information is a long distance, the index value corresponding to the long distance is 5; and if the distance information is short distance, the index value corresponding to the long distance is 12.

In a possible implementation manner, if the moving speed of the terminal device is less than 5km/h, determining that the moving speed is a low speed, and the corresponding limiting priority of the low speed under the current carrier interval is 0; if the moving speed of the terminal equipment is greater than or equal to 5km/h and less than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 1; and if the moving speed of the terminal equipment is greater than 100km/h, determining that the moving speed is medium speed, and the corresponding limiting priority of the low speed under the current carrier interval is 2.

Fig. 6 is a schematic structural diagram of another nodeb according to an embodiment of the present invention, where a terminal device 600 shown in fig. 6 includes: at least one processor 601, memory 602, at least one network interface 604, and other user interfaces 603. The various components in the gNodeB600 are coupled together by a bus system 605. It is understood that the bus system 605 is used to enable communications among the components. The bus system 605 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 605 in fig. 6.

The user interface 603 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.

It will be appreciated that the memory 602 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 illustration and 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 (Synchronous DRAM, SDRAM), Double Data rate Synchronous Dynamic random access memory (ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and direct memory bus RAM (DRRAM). The memory 602 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

In some embodiments, memory 602 stores the following elements, executable units or data structures, or a subset thereof, or an expanded set thereof: an operating system 6021 and application programs 6022.

The operating system 6021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application program 6022 includes various application programs such as a Media Player (Media Player), a Browser (Browser), and the like, and is used to implement various application services. A program implementing the method of an embodiment of the invention can be included in the application program 6022.

In the embodiment of the present invention, by calling a program or an instruction stored in the memory 602, specifically, a program or an instruction stored in the application program 6022, the processor 601 is configured to execute the method steps provided by the method embodiments, for example, including:

broadcasting a system message; receiving a Preamble code sequence which is sent by terminal equipment and carries parameter information; and controlling the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information.

In a possible embodiment, determining an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the limiting priority in the parameter information; and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

The method disclosed by the above-mentioned embodiment of the present invention can be applied to the processor 601, or implemented by the processor 601. The processor 601 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 601. The Processor 601 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, or discrete hardware components. 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 elements in the decoding processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in the memory 602, and the processor 601 reads the information in the memory 602 and completes the steps of the method in combination with the hardware thereof.

It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.

For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.

The gsnodeb provided in this embodiment may be the gsnodeb shown in fig. 6, and may perform all the steps of the method for controlling the downlink physical control channel shown in fig. 1-2, so as to achieve the technical effect of the method for controlling the downlink physical control channel shown in fig. 1-2.

The embodiment of the invention also provides a storage medium (computer readable storage medium). The storage medium herein stores one or more programs. Among others, the storage medium may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.

When one or more programs in the storage medium are executable by one or more processors, the method for controlling the downlink physical control channel performed on the control device side of the downlink physical control channel is implemented.

The processor is configured to execute a control program of the downlink physical control channel stored in the memory, so as to implement the following steps of the control method of the downlink physical control channel executed on the control device side of the downlink physical control channel:

broadcasting a system message; receiving a Preamble code sequence which is sent by terminal equipment and carries parameter information; and controlling the polymerization degree of the PDCCH according to the Preamble code sequence carrying the parameter information.

In a possible embodiment, determining an aggregation coefficient of the PDCCH according to a first weight corresponding to the index value and a second weight corresponding to the limiting priority in the parameter information; and controlling the polymerization degree of the PDCCH according to the polymerization degree coefficient.

Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. 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.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.