CN110213802B - Group neighbor information transmission method, access network equipment, terminal and system - Google Patents
Group neighbor information transmission method, access network equipment, terminal and system Download PDFInfo
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- CN110213802B CN110213802B CN201810167282.2A CN201810167282A CN110213802B CN 110213802 B CN110213802 B CN 110213802B CN 201810167282 A CN201810167282 A CN 201810167282A CN 110213802 B CN110213802 B CN 110213802B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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Abstract
The invention provides a group neighbor information transmission method, access network equipment, a terminal and a system. The method comprises the following steps: the access network equipment broadcasts and sends group configuration information of first cells of different groups to the core network equipment, wherein the first cells are cells covered by the access network equipment; the access network equipment receives group configuration information of M second cells sent by the core network equipment, wherein any second cell and the first cell belong to the same group, and any second cell is a neighboring cell of the first cell; the access network equipment acquires the group neighbor cell information of each group according to the type of each group, the group configuration information of the first cell of each group and the group configuration information of each second cell; and the access network equipment broadcasts and sends the group neighbor information of each group to the terminal. The invention reduces the data volume of the group neighbor information and solves the problem of air interface resource waste caused by large data volume of the group neighbor information in the prior art.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a group neighbor information transmission method, an access network device, a terminal, and a system.
Background
Broadband Trunking Communication (B-trunk) standardizes functions of broadband Trunking services such as multicast service voice, multicast service video and multimedia multicast service scheduling, has the characteristics of flexible bandwidth, high spectral efficiency, low time delay and high reliability, and can meet the requirements of professional users on multicast service voice, broadband data, emergency command scheduling and the like.
In a B-trunk system, when a terminal (e.g., a monitoring terminal) in an idle state moves from a cell 1 to a neighboring cell of the cell 1, and the cell 1 is a cell covered by an access network device, the access network device (e.g., a base station) broadcasts and sends multicast service data to the terminal through a group, and the access network device broadcasts and sends group neighboring cell information of each group to the terminal through a Trunking Control Channel (TCCH) before a reselection procedure of the terminal, where the group neighboring cell information carries group configuration information of a plurality of neighboring cells of the cell 1, the cell 1 and the plurality of neighboring cells belong to the same group, and the cell 1 is a cell in which the terminal is currently located, so that the terminal moving to the neighboring cell 1 can perform a multicast service.
However, when the number of the neighboring cells of the cell 1 is large, the amount of the group configuration information data of the neighboring cells carried in the group neighboring cell information is large, which easily causes waste of air interface resources. Therefore, there is a need for a method for transmitting group neighbor information that can reduce the waste of air interface resources.
Disclosure of Invention
The invention provides a group neighbor information transmission method, access network equipment, a terminal and a system, which aim to solve the problem of air interface resource waste caused by large data volume of group neighbor information in the prior art.
In a first aspect, the present invention provides a group neighbor information transmission method, including:
the method comprises the steps that access network equipment broadcasts and sends group configuration information of first cells of different groups to core network equipment, wherein the first cells are cells covered by the access network equipment;
the access network equipment receives group configuration information of M second cells sent by the core network equipment, wherein any second cell and the first cell are in the same group, any second cell is a neighboring cell of the first cell, and M is a positive integer;
the access network equipment acquires the group neighbor cell information of each group according to the type of each group, the group configuration information of the first cell of each group and the group configuration information of each second cell;
and the access network equipment broadcasts and sends the group neighbor information of each group to the terminal.
Optionally, the obtaining, by the access network device, group neighboring cell information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell of each group includes:
the access network equipment compares the group configuration information of any second cell belonging to the same group with the group configuration information of the first cell to obtain the target information of the second cells of each group, wherein the target information of any second cell is the information which is different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
and the access network equipment determines the group adjacent cell information of each group as the target information of the second cell of each group.
Optionally, when the access network device determines that M is greater than a first preset number N, where N is a positive integer, before the access network device obtains group neighbor cell information according to a type of each group, group configuration information of a first cell of each group, and group configuration information of each second cell, the method further includes:
and the access network equipment acquires the group configuration information of the N second cells according to the group configuration information of the M second cells.
Optionally, the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells includes:
and the access network equipment determines that the group configuration information of N second cells is the group configuration information corresponding to the first N second cells with the maximum success times according to the success times of the terminal to be switched from the first cell to each second cell.
Optionally, the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells includes:
and the access network equipment determines the group configuration information of the N second cells as the group configuration information corresponding to the first N second cells received earliest according to the time sequence of receiving the M second cells.
Optionally, the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells includes:
and the access network equipment determines that the group configuration information of the N second cells is the group configuration information corresponding to the first N second cells with the lowest air interface resource load according to the air interface resource loads of the M second cells.
Optionally, the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells includes:
and the access network equipment determines the group configuration information of the N second cells as the group configuration information corresponding to the first N second cells with the highest preset priority according to the preset priority of the M second cells.
In a second aspect, the present invention provides a group neighbor information transmission method, including:
a terminal receives group neighbor cell information of different groups broadcasted by access network equipment, wherein the group neighbor cell information of each group comprises target information of a second cell of each group, any second cell and a first cell belong to the same group, any second cell is a neighbor cell of the first cell, the first cell is a cell covered by the access network equipment, and the target information of any second cell is information which is different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
and the terminal acquires the group configuration information of the second cell of each group according to the group configuration information of the first cell of each group and the group adjacent cell information of each group.
Optionally, before the terminal receives group neighbor information of different groups broadcast and sent by an access network device of a first cell, the method further includes:
the terminal receives the group configuration information of the first cell of each group, which is broadcast and sent by the access network equipment;
the terminal obtains the group configuration information of each second cell according to the group configuration information of the first cell of each group and the group neighbor cell information of each group, and the method comprises the following steps:
and the terminal compares the target information of any second cell belonging to the same group with the group configuration information of the first cell to obtain the group configuration information of the second cells of each group, wherein the group configuration information of any second cell comprises the same information as the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group and the target information of the second cell.
In a third aspect, the present invention provides an access network device, including:
a sending module, configured to send group configuration information of first cells in different groups to a core network device in a broadcast manner, where the first cell is a cell covered by the access network device;
a receiving module, configured to receive group configuration information of M second cells sent by the core network device, where any second cell and the first cell are in the same group, any second cell is a neighboring cell of the first cell, and M is a positive integer;
a processing module, configured to obtain group neighbor information of each group according to a type of each group, group configuration information of a first cell of each group, and group configuration information of each second cell;
and the sending module is used for broadcasting and sending the group neighbor information of each group to the terminal.
Optionally, the processing module is specifically configured to compare group configuration information of any one of the second cells belonging to the same group with group configuration information of the first cell, to obtain target information of the second cells of each group, where the target information of any one of the second cells is information different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
and determining the group adjacent cell information of each group as the target information of the second cell of each group.
Optionally, the processing module is further configured to, when the access network device determines that M is greater than a first preset number N, where N is a positive integer, obtain, by the access network device, group configuration information of the N second cells according to group neighboring cell information before the access network device obtains the group neighboring cell information according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell.
Optionally, the processing module is specifically configured to determine, according to the number of times of success of the terminal in switching from the first cell to each of the second cells, that the group configuration information of the N second cells is the group configuration information corresponding to each of the first N second cells with the largest number of times of success.
Optionally, the processing module is specifically configured to determine, according to the time sequence of receiving the M second cells, that the group configuration information of the N second cells is group configuration information corresponding to the first N second cells received earliest.
Optionally, the processing module is specifically configured to determine, according to air interface resource loads of M second cells, that group configuration information of N second cells is group configuration information corresponding to each of the first N second cells with the lowest air interface resource load.
Optionally, the processing module is specifically configured to determine, according to preset priorities of M second cells, that group configuration information of N second cells is group configuration information corresponding to each of the first N second cells with the highest preset priority.
In a fourth aspect, the present invention provides a terminal, comprising:
a receiving module, configured to receive group neighboring cell information of different groups sent by an access network device in a broadcast manner, where the group neighboring cell information of each group includes target information of a second cell of each group, any second cell and a first cell belong to the same group, any second cell is a neighboring cell of the first cell, the first cell is a cell covered by the access network device, and the target information of any second cell is information that is different from group configuration information of the first cell in group configuration information of the second cells belonging to the same group;
and the processing module is used for acquiring the group configuration information of the second cell of each group according to the group configuration information of the first cell of each group and the group adjacent cell information of each group.
Optionally, the receiving module is further configured to receive group configuration information of the first cell of each group, where the group configuration information is broadcast by the access network device.
The processing module is specifically configured to compare the target information of any one of the second cells belonging to the same group with the group configuration information of the first cell, and obtain the group configuration information of the second cells of each group, where the group configuration message of any one of the second cells includes the same information as the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group and the target information of the second cell.
In a fifth aspect, the present invention provides a trunking communication system, including: a core network device, an access network device as described in the third aspect, and a terminal as described in the fourth aspect.
In a sixth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the group neighbor information transmission method according to the first aspect.
In a seventh aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the group neighbor information transmission method according to the second aspect.
In an eighth aspect, the present invention provides an access network device, including:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the group neighbor information transmission method of the first aspect via execution of the executable instructions.
In a ninth aspect, the present invention provides a terminal, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the group neighbor information transmission method of the second aspect via execution of the executable instructions.
The method broadcasts and sends the group configuration information of first cells in different groups to the core network equipment through the access network equipment, so that the core network equipment can send the group configuration information of M second cells which belong to the same group as the first cell and are adjacent to the first cell to the access network equipment. Then, the access network device may obtain the group neighbor information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell, so that the access network device may broadcast and send the group neighbor information of each group to the terminal. The invention solves the problem of air interface resource waste caused by large data volume of the group adjacent cell information in the prior art, reduces the data volume of the group configuration information of the second cell and the data volume of the group adjacent cell information of each group, thereby reducing the occupancy rate of the air interface resource and saving the air interface resource.
Drawings
In order to clearly illustrate the embodiments of the present invention 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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first signaling flow chart of a group neighbor information transmission method provided by the present invention;
fig. 2 is a flowchart of a group neighbor information transmission method provided in the present invention;
fig. 3 is a signaling flow chart of a group neighbor information transmission method according to the present invention;
fig. 4 is a schematic structural diagram of an access network device provided in the present invention;
fig. 5 is a schematic structural diagram of a terminal provided in the present invention;
fig. 6 is a schematic structural diagram of a trunking communication system provided by the present invention;
fig. 7 is a schematic diagram of a hardware structure of an access network device provided in the present invention;
fig. 8 is a schematic diagram of a hardware structure of the terminal provided by 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 obtained by persons of ordinary skill in the art based on the embodiments of the present invention without any creative efforts shall fall within the protection scope of the embodiments of the present invention.
In this embodiment, the terminal in the idle state may move from the cell 1 to the neighboring cell of the cell 1 through a reselection procedure, so as to perform the multicast service. The idle state refers to a state in which the terminal does not establish Radio Resource Control (RRC) connection with the network side. The specific content of the reselection process may refer to the prior art, and for example, the process may include the process of receiving a System Information (SI), a paging message, a group establishment message, and the like by a monitoring terminal, which is not described in detail in this embodiment.
The multicast service can be established only after the terminal passes through the reselection process, and because the reselection process usually consumes a long time, if the terminal is receiving the multicast service data, the multicast service data is discontinuous, which easily causes problems of multicast voice word loss, multicast video screen splash and the like, therefore, before the terminal performs the reselection process, the access network device of the cell 1 broadcasts and sends the group neighbor cell information of each group to the terminal through the TCCH, and the group neighbor cell information carries the group configuration information of a plurality of neighbor cells of the cell 1. The specific content of the Group configuration message may refer to the prior art, and for example, the specific content may include a Group Radio Network temporary Identity (G-RNTI), information corresponding to a Radio Resource Control (RRC) layer, information corresponding to a Packet Data Convergence Protocol (PDCP) layer, information corresponding to a Media Access Control (MAC) layer, and the like, which is not described in detail in this embodiment.
For the cell 1, the group neighbor message includes the group configuration message of the different neighbor cells belonging to the same group as the cell 1, and generally, the cell 1 has a plurality of neighbor cells, and each neighbor cell has the group configuration message, so that when the number of neighbor cells of the cell 1 is larger, the data amount of the group neighbor message is larger. In order to ensure that the terminal can reliably receive the message, the access network device of the cell 1 needs to send the group neighbor message of each group to the terminal through TCCH low-bit-rate periodic broadcast. If the data volume of the group neighbor message is too large, a large amount of air interface resources are easily occupied. In order to avoid the above problem, in this embodiment, the access network device reduces the data amount of the group neighbor message by performing data processing on the group neighbor message, so as to reduce the occupancy rate of air interface resources and avoid waste of the air interface resources.
Next, a detailed description is given of a specific process of the group neighbor information transmission method according to a specific embodiment.
Fig. 1 is a first signaling flow chart of a group neighbor information transmission method provided in the present invention, and as shown in fig. 1, the method of this embodiment may include:
s101, the access network equipment broadcasts and sends group configuration information of first cells of different groups to the core network equipment, wherein the first cells are cells covered by the access network equipment.
S102, the core network device sends group configuration information of M second cells to the access network device, wherein any second cell and the first cell belong to the same group, any second cell is a neighboring cell of the first cell, and M is a positive integer.
Specifically, in this embodiment, the neighboring cells of any cell may be manually set. Since there are multiple neighbor cells of any cell, the access network device may establish different groups for the covered cells. For example, when the cell 2 and the cell 3 are adjacent cells of the cell 1, the cell 4 and the cell 5 are adjacent cells of the cell 1, and the cell covered by the access network device is the cell 1, the access network device may establish the same group a for the cell 1, the cell 2, and the cell 3, and the access network device may also establish the same group B for the cell 1, the cell 4, and the cell 5.
Further, the access network device corresponding to each cell may broadcast and send, to the core network device, group configuration information of the cell corresponding to the cell belonging to one group, or group configuration information of the cell corresponding to each of a plurality of groups. For example, when the cell covered by the access network device is cell 1, and the access network device establishes a group a and a group B, the access network device may send a group configuration message of cell 1 belonging to group a to the core network device, or send a group configuration message of cell 1 belonging to group B to the core network device. For another example, when the covered cell of the access network device 1 is the cell 1 and the access network device 1 establishes the group a, and the covered cell of the access network device 2 is the cell 2 and the access network device 2 establishes the group B, the access network device 1 may send the group configuration message of the cell 1 belonging to the group a to the core network device, and the access network device 2 may send the group configuration message of the cell 2 belonging to the group B to the core network device. Therefore, the access network device corresponding to each second cell may broadcast and send the group configuration information of the corresponding second cell to the core network device in advance, and the group configuration information is stored by the core network device.
Further, the access network device of the first cell may establish different groups, and broadcast and send group configuration information of the first cells of the different groups to the core network device, so that the core network device determines each group to which the first cell belongs according to the group configuration information of the first cells of the different groups, determines M second cells that belong to the same group as the first cell according to each group, and sends the group configuration information of the M second cells to the access network device of the first cell. The first cell is a cell covered by the access network device, and the second cell is a neighboring cell of the first cell, that is, a cell neighboring the first cell. And the first cell is the cell where the terminal is currently located, i.e. cell 1 mentioned above, and the second cell is the cell to which the terminal is to move.
S103, the access network equipment obtains the group neighbor cell information of each group according to the type of each group, the group configuration information of the first cell of each group and the group configuration information of each second cell.
And S104, the access network equipment broadcasts and sends the group neighbor information of each group to the terminal.
S105, the terminal obtains the group configuration information of the second cell of each group according to the group configuration information of the first cell of each group and the group adjacent cell information of each group.
Specifically, the access network device may classify the group configuration message of each second cell according to the type of the group, to obtain the group configuration message of each second cell belonging to the same group. For any group, the group configuration message of the second cell and the group configuration information of the first cell belonging to the same group are subjected to data processing, so that the data volume of the group configuration message of the second cell can be reduced. Because the access network device carries the group configuration message of the second cell belonging to the same group after data processing in the group neighbor message of the group, the data volume of the group neighbor message of the group can be greatly reduced. Furthermore, the access network device broadcasts the group neighbor message of each group to the terminal, and even if the sending process is periodic, the idle terminal can receive the group neighbor message with smaller data volume when moving from the first cell to the second cell, thereby reducing the occupancy rate of the air interface resource and reducing the waste of the resource. In this embodiment, the data processing mode of the access network device for the group configuration message of each second cell is not specifically limited, and only the data processing mode adopted by the access network device is required to reduce the data volume of the group neighbor message.
Further, the terminal may perform an inverse process of data processing on the group configuration message of the second cell after data processing in the group neighboring cell message of any group according to the group configuration message of the first cell of the group, so as to obtain the group configuration message of the second cell of each group. In this embodiment, the sequence and the manner of acquiring the group configuration message of the first cell of each group by the terminal are not limited. Optionally, when the access network device establishes different groups, the terminal receives group configuration information of the first cell of each group, which is broadcast and sent by the access network device. In addition, the embodiment does not limit the specific manner in which the terminal obtains the group configuration message of the second cell of each group.
In the group neighbor cell information transmission method provided in this embodiment, the access network device broadcasts and sends the group configuration information of the first cells in different groups to the core network device, so that the core network device can send, to the access network device, the group configuration information of M second cells that belong to the same group as the first cell and are neighbor cells to the first cell. Then, the access network device may obtain the group neighbor information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell, so that the access network device may broadcast and send the group neighbor information of each group to the terminal. The embodiment solves the problem of air interface resource waste caused by large data volume of the group neighbor information in the prior art, reduces the data volume of the group configuration information of the second cell, and also reduces the data volume of the group neighbor information of each group, thereby reducing the occupancy rate of air interface resources and saving air interface resources.
First, on the basis of the above embodiment, a detailed description is given, with reference to fig. 2, of a specific implementation manner in which the access network device in the embodiment shown in fig. 1 obtains the group neighbor information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell.
Fig. 2 is a flowchart of a group neighbor information transmission method provided in the present invention, and as shown in fig. 2, the method may include:
s201, the access network equipment compares the group configuration information of any second cell belonging to the same group with the group configuration information of the first cell to obtain the target information of the second cells of each group, wherein the target information of any second cell is different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group.
S202, the access network equipment determines the group adjacent cell information of each group as the target information of the second cell of each group.
Specifically, for any group, the access network device may determine, according to the group configuration information of the first cell of the group, the same part and a different part of the group configuration information of each second cell in the group as the group configuration information of the first cell, and use information corresponding to the different parts as target information of the second cell, that is, the target information is information different from the group configuration information of the first cell among the group configuration information of the second cell belonging to the same group, thus, the same part of the group configuration information of each second cell belonging to the same group and the group configuration information of the first cell is deleted, the data amount of the group configuration information of each second cell can be reduced, and then the access network equipment carries the target information of the second cells of each group in the group neighbor cell information, so that the data volume of the group neighbor cell information of each group can be greatly reduced.
For example, when the cell 1 is a first cell, the cell 2 is a second cell, and the cell 1 and the cell 2 belong to the group a, and the group configuration information of the cell 1 and the group configuration information of the cell 2 of the group a both include the G-RNTI, the information corresponding to the RRC layer, the information corresponding to the PDCP layer, and the information corresponding to the MAC layer, if the group configuration information of the cell 1 is different from the G-RNTI in the group configuration information of the cell 2, and the information corresponding to the RRC layer, the information corresponding to the PDCP layer, and the information corresponding to the MAC layer are all the same, the access network device corresponding to the cell 1 will use the G-RNTI of the cell 2 as the target information of the cell 2 of the group a.
Further, in order to enable the terminal to obtain the group configuration information of each second cell, the terminal may perform a reverse process of data processing on the target information of each second cell sent from the access network device. Optionally, the terminal compares the target information of any second cell belonging to the same group with the group configuration information of the first cell to obtain the group configuration information of the second cells of each group, where the group configuration information of any second cell includes the same information as the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group and the target information of the second cell.
Specifically, for the target information of any second cell, the terminal restores, according to the group configuration information of the first cell belonging to the same group as the second cell, the same part of the group configuration information of the second cell as the configuration information of the first cell, and then the terminal obtains the group configuration information of the second cell from the received target information and the same part of the second cell. Therefore, the terminal can restore all the contents of the group configuration information of the second cells of each group, and the terminal is convenient for subsequent reselection processes.
Next, based on the embodiment of fig. 1, in order to further reduce the data amount of the group neighbor information of each group, in this embodiment, the access network device corresponding to the first cell may set the number of group configuration messages received from the second cell. With reference to fig. 3, when the access network device determines that M is greater than a first preset number N, where N is a positive integer, a detailed description will be given of a specific manner of the group neighbor information transmission method in the embodiment.
Fig. 3 is a signaling flowchart of a second method for transmitting group neighbor information according to the present invention, and as shown in fig. 3, the method may include:
s301, the access network device 1 broadcasts and sends group configuration information of first cells in different groups to the core network device, where the first cell is a cell covered by the access network device 1.
S302, at least one core device 2 broadcasts and sends group configuration information of a second cell to a core network device, where the second cell is a cell covered by the access network device 2, any second cell and the first cell belong to the same group, and any second cell is a neighboring cell of the first cell.
S303, the core network device sends group configuration information of M second cells to the access network device 1, where M is a positive integer.
S304, the access network device 1 obtains the group configuration information of the N second cells according to the group configuration information of the M second cells.
S305, the access network device 1 obtains group neighboring cell information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell.
S306, the access network device 1 broadcasts and sends the group neighbor information of each group to the terminal.
S307, the terminal obtains the group configuration information of the second cell of each group according to the group configuration information of the first cell of each group and the group adjacent cell information of each group.
Specifically, S301, S303, S305, S306, and S307 are similar to the implementation manners of S101, S102, S104, S105, and S106 in the embodiment of fig. 1, and are not described herein again.
Further, in S302, since the second cell is a cell covered by the access network device 2, any access network device 2 may broadcast and send the group configuration information of any second cell to the core network device, so that the core network device is convenient to store the group configuration information of any neighboring cell of the first cell. Since the second cell and the first cell are neighboring cells, and any one of the second cells and the first cell belong to the same group, the core network device can implement S303 and send group configuration information of M second cells to the access network device 1. For convenience of description, fig. 3 illustrates an example of one access network device 2.
It should be noted that, in this embodiment, the execution sequence of S301 and S302 is not limited, S301 may be executed before S302, S302 may be executed before S301, or S301 and S302 may be executed simultaneously.
Further, in S304, when it is determined that the number M corresponding to the received group configuration message of the second cell exceeds the first preset number N, the access network device 1 corresponding to the first cell may perform priority processing on the group configuration messages of the M second cells, and select the group configuration messages of the N second cells to perform subsequent data processing. Since N is smaller than M, the data amount of the target information of the second cell after data processing becomes smaller, and it can be ensured that the data amount of the group neighbor information of each group is maintained within a reasonable range. The access network device 1 may set the size of the first preset number N according to an actual situation, which is not limited in this embodiment, and only N is required to be smaller than M.
Finally, on the basis of the embodiment in fig. 3, in this embodiment, the access network device corresponding to the first cell may perform priority processing on the group configuration information of the M second cells in multiple ways, which is not limited in this embodiment. The following describes the detailed procedure of priority handling in four ways.
In a first possible implementation manner, optionally, the access network device determines, according to the number of times of success of the terminal in switching from the first cell to each of the second cells, that the group configuration information of the N second cells is the group configuration information corresponding to each of the first N second cells with the largest number of times of success.
Specifically, the access network device corresponding to the first cell may periodically or aperiodically count the number of times of success for the terminal to switch from the first cell to each second cell, and sort the group configuration information of the M second cells according to the number of times of success and the descending order, and select the group configuration information of the first N second cells with the largest number of times of success for subsequent data processing.
For example, cell 1 is a first cell, cell 2 and cell 3 are both second cells, the number of successful handovers from cell 1 to cell 2 is 50, and the number of successful handovers from cell 1 to cell 3 is 100. If N is 1, the access network device corresponding to cell 1 selects the group configuration information of 1 cell with the largest success number, that is, the group configuration information of cell 3.
In a second possible implementation manner, optionally, the access network device determines, according to the time sequence of receiving the M second cells, that the group configuration information of the N second cells is the group configuration information corresponding to the first N second cells received earliest.
Specifically, the access network device corresponding to the first cell may select according to the time sequence of receiving the group configuration messages of the M second cells, and select the earliest group configuration information of the first N second cells for subsequent data processing.
For example, cell 1 is a first cell, cell 2 and cell 3 are both second cells, and the access network device corresponding to cell 1 receives the group configuration message of cell 2 first and then receives the group configuration message of cell 3. If N is 1, the access network device corresponding to cell 1 selects the group configuration information of 1 cell with the largest success number, that is, the group configuration information of cell 2.
In a third feasible implementation manner, optionally, the access network device determines, according to the air interface resource loads of the M second cells, that the group configuration information of the N second cells is the group configuration information corresponding to each of the first N second cells with the lowest air interface resource load.
Specifically, the access network device corresponding to the first cell may obtain air interface Resource loads, such as Resource Block (RB) utilization rates, of the second cells in advance, sort the group configuration information of the M second cells according to the air interface Resource loads in a descending order, and select the group configuration information of the first N second cells with the lowest air interface Resource loads for subsequent data processing.
For example, cell 1 is a first cell, cell 2 and cell 3 are both second cells, and the access network device corresponding to cell 1 determines that the air interface resource load of cell 2 is higher than that of cell 3. If N is 1, the access network device corresponding to cell 1 selects the group configuration information of 1 cell with the lowest air interface resource load, that is, the group configuration information of cell 2.
In a fourth possible implementation manner, optionally, the access network device determines, according to the preset priority of the M second cells, that the group configuration information of the N second cells is group configuration information corresponding to each of the first N second cells with the highest preset priority.
Specifically, the access network device corresponding to the first cell may set a preset priority of each second cell in advance according to an actual demand, rank the group configuration information of the M second cells in the order from high to low according to the preset priority of each second cell, and select the group configuration information of the first N second cells with the highest preset priority for subsequent data processing. The access network device may set the plurality of second cells to different priorities, or may set the plurality of second cells to the same priority, which is not limited in this embodiment.
For example, cell 1 is a first cell, cell 2 and cell 3 are both second cells, and the access network device corresponding to cell 1 sets the priority of cell 2 to be higher than the priority of cell 3. If N is 1, the access network device corresponding to the cell 1 selects the group configuration information of the 1 cell with the highest priority, that is, the group configuration information of the cell 2.
Fig. 4 is a schematic structural diagram of the access network device provided in the present invention, and as shown in fig. 4, the access network device 40 of this embodiment includes:
a sending module 41, configured to send group configuration information of first cells in different groups to a core network device in a broadcast manner, where the first cell is a cell covered by the access network device;
a receiving module 42, configured to receive group configuration information of M second cells sent by the core network device, where any second cell and the first cell belong to the same group, any second cell is a neighboring cell of the first cell, and M is a positive integer;
a processing module 43, configured to obtain group neighbor cell information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell;
the sending module 41 is configured to send the group neighbor information of each group to the terminal in a broadcast manner.
Optionally, the processing module 43 is specifically configured to compare the group configuration information of any second cell belonging to the same group with the group configuration information of the first cell, to obtain target information of the second cells of each group, where the target information of any second cell is information different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
and determining the group adjacent cell information of each group as the target information of the second cell of each group.
The processing module 43 is further configured to, when the access network device determines that M is greater than a first preset number N, where N is a positive integer, obtain, by the access network device, group configuration information of the N second cells according to the group neighboring cell information before the access network device obtains the group neighboring cell information according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell.
Optionally, the processing module 43 is specifically configured to determine, according to the number of times of success of the terminal to switch from the first cell to each of the second cells, that the group configuration information of the N second cells is the group configuration information corresponding to each of the first N second cells with the largest number of times of success.
Optionally, the processing module 43 is specifically configured to determine, according to the time sequence of receiving the M second cells, that the group configuration information of the N second cells is the group configuration information corresponding to the first N second cells received earliest.
Optionally, the processing module 43 is specifically configured to determine, according to air interface resource loads of M second cells, that the group configuration information of N second cells is group configuration information corresponding to the first N second cells with the lowest air interface resource load.
Optionally, the processing module 43 is specifically configured to determine, according to preset priorities of M second cells, that the group configuration information of N second cells is group configuration information corresponding to the first N second cells with the highest preset priority.
The access network device provided in this embodiment may be configured to execute the method for transmitting group neighboring cell information, and an implementation manner and a technical effect of the method are similar, which are not described herein again.
In the present invention, the access network device may be divided into functional modules according to the above method examples, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that the division of the modules in the embodiments of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation.
Fig. 5 is a schematic structural diagram of a terminal according to the present invention, and as shown in fig. 5, the terminal 50 of this embodiment includes:
a receiving module 51, configured to receive group neighboring cell information of different groups sent by an access network device in a broadcast manner, where the group neighboring cell information of each group includes target information of second cells of each group, any second cell belongs to the same group as a first cell, any second cell is a neighboring cell of the first cell, the first cell is a cell covered by the access network device, and the target information of any second cell is information, which is different from the group configuration information of the first cell, in group configuration information of the second cells belonging to the same group;
the processing module 52 is configured to obtain the group configuration information of the second cell of each group according to the group configuration information of the first cell of each group and the group neighboring cell information of each group.
Optionally, the receiving module 51 is further configured to receive group configuration information of the first cell of each group, which is broadcast and sent by the access network device.
The processing module 52 is further configured to compare the target information of any second cell belonging to the same group with the group configuration information of the first cell, and obtain the group configuration information of the second cells of each group, where the group configuration information of any second cell includes the same information as the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group and the target information of the second cell.
The terminal 50 provided in this embodiment may be configured to execute the above-mentioned group neighbor information transmission method, and its implementation manner and technical effect are similar, which are not described herein again.
In the present invention, the terminal may be divided into functional modules according to the above method examples, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that the division of the modules in the embodiments of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation.
Fig. 6 is a schematic structural diagram of the trunking communication system provided in the present invention, and as shown in fig. 6, the trunking communication system 60 of this embodiment includes: a core network device 61, an access network device 62 as described above and a terminal 63 as described above.
The trunking communication system provided in the embodiment of the present invention includes the access network device 62 and the terminal 63, and may implement the foregoing embodiment, and for specific implementation principles and technical effects, reference may be made to the foregoing method embodiment, which is not described herein again.
Fig. 7 is a schematic diagram of a hardware structure of the access network device provided in the present invention. As shown in fig. 7, the access network device 70 includes: a memory 71 and a processor 72;
a memory 71 for storing a computer program;
a processor 72 for executing the computer program stored in the memory to implement the robot calibration method in the above embodiments. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 71 may be separate or integrated with the processor 72.
When the memory 71 is a device independent from the processor 72, the access network device 70 may further include:
a bus 73 for connecting the memory 71 and the processor 72.
The access network device provided in this embodiment may be configured to execute the method for transmitting group neighboring cell information, and an implementation manner and a technical effect of the method are similar, which are not described herein again.
The present invention also provides a computer-readable storage medium including a computer program for implementing the group neighbor information transmission method in the above embodiments.
Fig. 8 is a schematic diagram of a hardware structure of the terminal provided by the present invention. As shown in fig. 8, the terminal 80 includes: a memory 81 and a processor 82;
a memory 81 for storing a computer program;
and a processor 82 for executing the computer program stored in the memory to implement the robot calibration method in the above embodiments. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 81 may be separate or integrated with the processor 82.
When the memory 81 is a device independent of the processor 82, the terminal 80 may further include:
a bus 83 for connecting the memory 81 and the processor 82.
The terminal provided in this embodiment may be configured to execute the method for transmitting group neighboring cell information, and the implementation manner and the technical effect thereof are similar, and details are not described herein again.
The present invention also provides a computer-readable storage medium including a computer program for implementing the group neighbor information transmission method in the above embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules 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.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The computer-readable storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled 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 invention.
Claims (13)
1. A group neighbor information transmission method is characterized by comprising the following steps:
the method comprises the steps that access network equipment broadcasts and sends group configuration information of first cells of different groups to core network equipment, wherein the first cells are cells covered by the access network equipment;
the access network equipment receives group configuration information of M second cells sent by the core network equipment, wherein any second cell and the first cell belong to the same group, any second cell is a neighboring cell of the first cell, and M is a positive integer;
the access network equipment acquires the group neighbor cell information of each group according to the type of each group, the group configuration information of the first cell of each group and the group configuration information of each second cell;
the access network equipment broadcasts and sends the group neighbor information of each group to a terminal;
the access network device obtains group neighbor cell information of each group according to the type of each group, the group configuration information of the first cell of each group, and the group configuration information of each second cell, and the method includes:
the access network equipment compares the group configuration information of any second cell belonging to the same group with the group configuration information of the first cell to obtain the target information of the second cells of each group, wherein the target information of any second cell is the information which is different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
and the access network equipment determines the group adjacent cell information of each group as the target information of the second cell of each group.
2. The method of claim 1, wherein when the access network device determines that M is greater than a first preset number N, where N is a positive integer, before the access network device obtains group neighbor cell information according to a type of each of the groups, group configuration information of a first cell of each of the groups, and group configuration information of each of second cells, the method further includes:
and the access network equipment acquires the group configuration information of the N second cells according to the group configuration information of the M second cells.
3. The method of claim 2, wherein the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells comprises:
and the access network equipment determines that the group configuration information of N second cells is the group configuration information corresponding to the first N second cells with the maximum success times according to the success times of the terminal to be switched from the first cell to each second cell.
4. The method of claim 2, wherein the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells comprises:
and the access network equipment determines the group configuration information of the N second cells as the group configuration information corresponding to the first N second cells received earliest according to the time sequence of receiving the M second cells.
5. The method of claim 2, wherein the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells comprises:
and the access network equipment determines that the group configuration information of the N second cells is the group configuration information corresponding to the first N second cells with the lowest air interface resource load according to the air interface resource loads of the M second cells.
6. The method of claim 2, wherein the obtaining, by the access network device, the group configuration information of the N second cells according to the group configuration information of the M second cells comprises:
and the access network equipment determines the group configuration information of the N second cells as the group configuration information corresponding to the first N second cells with the highest preset priority according to the preset priority of the M second cells.
7. A group neighbor information transmission method is characterized by comprising the following steps:
a terminal receives group neighbor cell information of different groups broadcasted by access network equipment, wherein the group neighbor cell information of each group comprises target information of a second cell of each group, any second cell and a first cell belong to the same group, any second cell is a neighbor cell of the first cell, the first cell is a cell covered by the access network equipment, and the target information of any second cell is information which is different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
the terminal acquires the group configuration information of the second cell of each group according to the group configuration information of the first cell of each group and the group adjacent cell information of each group;
before the terminal receives the group neighbor information of different groups broadcast and sent by the access network device, the method further includes:
the terminal receives the group configuration information of the first cell of each group, which is broadcast and sent by the access network equipment;
the terminal obtains the group configuration information of each second cell according to the group configuration information of the first cell of each group and the group neighbor cell information of each group, and the method comprises the following steps:
the terminal compares the group configuration information of the second cells belonging to the same group with the group configuration information of the first cell to obtain the group configuration information of the second cells of each group, wherein the group configuration information of any second cell comprises the same information as the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group and the target information of the second cell.
8. An access network device, comprising:
a sending module, configured to send group configuration information of first cells in different groups to a core network device in a broadcast manner, where the first cell is a cell covered by the access network device;
a receiving module, configured to receive group configuration information of M second cells sent by the core network device, where any second cell and the first cell are in the same group, any second cell is a neighboring cell of the first cell, and M is a positive integer;
a processing module, configured to obtain group neighbor information of each group according to a type of each group, group configuration information of a first cell of each group, and group configuration information of each second cell;
the sending module is used for broadcasting and sending the group neighbor information of each group to the terminal;
the processing module is further configured to compare group configuration information of any one of the second cells belonging to the same group with group configuration information of the first cell, and obtain target information of the second cells of each group, where the target information of any one of the second cells is information different from the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group;
and determining the group adjacent cell information of each group as the target information of the second cell of each group.
9. A terminal, comprising:
a receiving module, configured to receive group neighboring cell information of different groups sent by an access network device in a broadcast manner, where the group neighboring cell information of each group includes target information of a second cell of each group, any second cell and a first cell belong to the same group, any second cell is a neighboring cell of the first cell, the first cell is a cell covered by the access network device, and the target information of any second cell is information that is different from group configuration information of the first cell in group configuration information of the second cells belonging to the same group;
a processing module, configured to obtain group configuration information of a second cell of each group according to the group configuration information of the first cell of each group and the group neighbor information of each group;
the receiving module is further configured to receive group configuration information of the first cell of each group, which is broadcast and sent by the access network device;
the processing module is further configured to compare the group configuration information of the second cells belonging to the same group with the group configuration information of the first cell, and obtain the group configuration information of the second cells of each group, where the group configuration message of any second cell includes information that is the same as the group configuration information of the first cell in the group configuration information of the second cells belonging to the same group, and a target message of the second cell.
10. A group communication system, comprising: core network device, access network device according to claim 8 and terminal according to claim 9.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the group neighbor information transmission method according to any one of claims 1 to 6, or implements the group neighbor information transmission method according to claim 7.
12. An access network device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the group neighbor information transmission method of any of claims 1-6 via execution of the executable instructions.
13. A terminal, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the group neighbor information transmission method of claim 7 via execution of the executable instructions.
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