CN112188629B - Communication method, system and base station - Google Patents
Communication method, system and base station Download PDFInfo
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- CN112188629B CN112188629B CN202011041792.9A CN202011041792A CN112188629B CN 112188629 B CN112188629 B CN 112188629B CN 202011041792 A CN202011041792 A CN 202011041792A CN 112188629 B CN112188629 B CN 112188629B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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Abstract
The application provides a communication method, a communication system and a base station, wherein the communication method is applied to the communication system, and the communication system comprises a plurality of base stations; the coverage areas of a plurality of base stations are the same; under the condition that any base station receives an allocation request of a service channel for any call, obtaining result information of whether the service channel is allocated to the call by a plurality of base stations in historical time; under the condition that the base station indicates that a plurality of base stations allocate service channels for the call in historical time in the result information, acquiring identifiers of the service channels allocated for the call in the historical time by the plurality of base stations; the base station assigns an identification of the traffic channel to the terminal indicated by the call. The method and the device can avoid air interface collision in the registration process after the base station is restarted, and can avoid wasting channel resources in the communication process.
Description
Technical Field
The present disclosure relates to the field of communications, and in particular, to a communication method, system, and base station.
Background
In private network communications, for example, terrestrial trunked radio (terrestrials TrunkedRadio, TETRA) is independent of conventional private networks, and each base station manages its own resources, in particular channel resources.
In many application scenarios of private networks, indoor Distributed Antennas (DAS) are adopted to realize coverage distribution of wireless signals, and the number of terminals is huge. For example, a typical case of Tetra system is that there are 800 terminals, indoor distributed antennas, and the client opinion is very large because the base station is restarted and the terminal registration time exceeds half an hour. In order to solve the problem of registration pressure, it is proposed that two base stations share registration pressure and that coverage areas of the two base stations overlap entirely. However, there are cases where the traffic channel resources are insufficient, and in particular, for the group call scenario of the private network, each base station needs to allocate a channel for the group call, resulting in great waste of channel resources.
Therefore, the problem that after a base station is restarted, an air interface collision exists in the terminal registration process is faced at present, and the problem that channel resources are wasted in the communication process (especially in a group call scene) can occur by adopting a plurality of base stations with the same coverage area.
Disclosure of Invention
The application provides a communication method, a communication system and a base station, and aims to realize the scheme that the air interface collision can be avoided in the registration process after the base station is restarted, and channel resources can not be wasted in the communication process.
In order to achieve the above object, the present application provides the following technical solutions:
the application provides a communication method which is applied to a communication system, wherein the communication system comprises a plurality of base stations; the coverage areas of the plurality of base stations are the same;
under the condition that any base station receives an allocation request of a service channel for any call, obtaining result information of whether the plurality of base stations allocate the service channel for the call in historical time;
the base station obtains the identifiers of the service channels allocated to the call by the plurality of base stations in the historical time under the condition that the result information indicates that the plurality of base stations allocate the service channels to the call in the historical time;
the base station allocates an identification of the traffic channel to the terminal indicated by the call.
Optionally, the communication system further comprises a resource coordination device; the resource coordination device is configured to coordinate traffic channels of the plurality of base stations, and store traffic channels allocated for calls, and the method further includes:
the base station judges whether the base station has a preset number of idle service channels or not under the condition that the received result information indicates that the plurality of base stations do not allocate the service channels for the call in the historical time, and a judgment result is obtained; the preset number is the number of different base stations in the base stations to which the terminal indicated by the call belongs;
the base station sends a service channel borrowing request to the resource coordination device under the condition that the judging result indicates that the base station does not have the preset number of idle service channels; the traffic channel borrowing request includes: the number of borrowed channels required;
the resource coordination device sends the service channel borrowing request to a node-to-node base station of the base station under the condition that the service channel borrowing request is received;
the node pair base station sends the identification of the idle service channels of the number of the needed borrowed channels to the resource coordination device as the identification of the borrowed service channels under the condition that the idle service channels of the number of the needed borrowed channels exist;
the resource coordination device sends the identification of the borrowed service channel to the base station;
the base station allocates a service channel identifier for the terminal indicated by the call under the condition of receiving the borrowed service channel identifier; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
Optionally, the method further comprises:
the node-to-base station forwards the communication data of the call transmitted on the borrowed traffic channel to the base station.
Optionally, when receiving an allocation request of a traffic channel for any call, the any base station obtains result information of whether the plurality of base stations allocate the traffic channel for the call in a historical time, including:
the base station sends a query request to a resource coordination device under the condition of receiving an allocation request of a service channel for any call;
the resource coordination device inquires whether the plurality of base stations allocate service channels for the call in historical time to obtain result information;
the resource coordination device sends the result information to the base station.
The application also provides a communication system comprising: a plurality of base stations; the coverage areas of the plurality of base stations are the same;
under the condition that any base station receives an allocation request of a service channel for any call, obtaining result information of whether the plurality of base stations allocate the service channel for the call in historical time;
the base station obtains the identifiers of the service channels allocated to the call by the plurality of base stations in the historical time under the condition that the result information indicates that the plurality of base stations allocate the service channels to the call in the historical time;
the base station allocates an identification of the traffic channel to the terminal indicated by the call.
The application also provides a communication method which is applied to any base station in the communication system; the communication system includes a plurality of base stations; the coverage areas of the plurality of base stations are the same;
under the condition that an allocation request of a service channel for any call is received, obtaining result information of whether the service channel is allocated to the call by the plurality of base stations in historical time;
acquiring the identifiers of the service channels allocated to the call by the plurality of base stations in the historical time under the condition that the result information indicates that the service channels are allocated to the call by the plurality of base stations in the historical time;
and allocating the identification of the service channel to the terminal indicated by the call.
Optionally, the communication system further includes: a resource coordination device; the resource coordination device is configured to coordinate traffic channels of the plurality of base stations, and store traffic channels allocated for calls, and the method further includes:
judging whether the base station has a preset number of idle service channels or not under the condition that the result information indicates that the plurality of base stations do not allocate the service channels for the call in the historical time, and obtaining a judging result; the preset number is the number of different base stations in the base stations to which the terminal indicated by the call belongs;
transmitting a service channel borrowing request to the resource coordination device under the condition that the judging result indicates that the base station does not have the preset number of idle service channels; the traffic channel borrowing request includes: the number of borrowed channels required;
under the condition of receiving the identification of the borrowed service channels, the identification of the preset number of service channels is distributed to the terminal indicated by the call; the borrowed service channels are the number of the service channels of the needed borrowed channels, which are obtained from the node pair base station of the base station by the resource coordination device and are used for borrowing the base station; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
Optionally, the method further comprises:
under the condition that a service channel borrowing request is received and an identification of the borrowed service channel is sent to the resource coordination device, forwarding communication data for the call, which is transmitted on the borrowed service channel, to a target base station; the target base station is a base station borrowing the borrowed service channel.
Optionally, the obtaining the result information of whether the plurality of base stations allocate a traffic channel for the call in the historical time includes:
and obtaining the result information by inquiring the resource coordination device.
The application also provides a base station, wherein the base station is any one base station in a communication system, and the communication system comprises a plurality of base stations; the coverage areas of the plurality of base stations are the same, and the base stations comprise:
a first obtaining module, configured to obtain, when an allocation request of a traffic channel for any call is received, result information of whether the plurality of base stations allocate the traffic channel for the call at a history time;
a second obtaining module, configured to obtain, when the result information indicates that the plurality of base stations allocate a traffic channel for the call in the history time, an identifier of the traffic channel allocated by the plurality of base stations for the call in the history time;
and the allocation module is used for allocating the identification of the service channel to the terminal indicated by the call.
In the communication method, the communication system and the base station, on one hand, the communication system comprises a plurality of base stations, and the coverage areas of the plurality of base stations are the same, so that the plurality of base stations in the communication system can provide registration response for the terminal under the coverage area, and the problem of air interface collision in the registration process caused by the fact that one base station bears registration pressure in the prior art is avoided.
On the other hand, in the present application, any base station in the communication system acquires, when receiving an allocation request of a traffic channel for any call, result information of whether or not a plurality of base stations have allocated the traffic channel for the call at a history time; the base station obtains the identifiers of the service channels allocated to the call by the plurality of base stations at the historical time under the condition that the result information indicates that the plurality of base stations allocate the service channels to the call at the historical time; the base station distributes the identifier of the service channel to the terminal indicated by the call, namely, the plurality of base stations are regarded as a whole, and the service channel cannot be distributed again for the call under the condition that the plurality of base stations distribute the service channel for the call in the history time.
In summary, the present application can avoid air interface collision in the registration process after the base station is restarted, and can not waste channel resources in the communication process.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a communication flow chart of a communication system disclosed in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a base station according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Fig. 1 is a communication system provided in an embodiment of the present application, which includes a plurality of base stations and a resource coordination device, where the resource coordination device is configured to coordinate traffic channels of the plurality of base stations, and store traffic channels allocated for a call. Wherein the coverage areas of a plurality of base stations in the communication system are the same. In the embodiment of the application, because the coverage areas of the plurality of base stations in the communication system are the same, in the registration process after the base stations are restarted, the plurality of base stations provide registration services for the terminals under the coverage areas, so that the problem of air interface collision in the registration process is avoided.
In this embodiment, the plurality of base stations in the communication system may be a plurality of entity base stations, or one base station may be split into a plurality of base stations, for example, one 8-carrier base station may be split into two 4-carrier base stations.
In this embodiment of the present application, for a set of base stations that are formed by base stations with the same coverage area in a communication system, for any one base station in the set, the other base stations in the set are node-pair base stations of the base station, which may be referred to as node-pair base stations of the base station for convenience of description.
In this embodiment, the communication procedure between the plurality of base stations and the resource coordination device in the communication system may include the steps of:
s101, when receiving an allocation request of a traffic channel for any call, any base station transmits a query request to the resource coordination device.
In this embodiment, the call may be a personal call or a group call. For each call, the sending device of the allocation request of the service channel received by the base station may be the terminal that initiates the call. For group calling, the initiating device of the service channel allocation request received by the base station may be a central control device.
In this step, the query request is used to instruct the resource coordinator device to query the plurality of base stations of the communication system as to whether or not a traffic channel has been allocated for the call at the historic time.
S102, the resource coordination device inquires whether a plurality of base stations allocate service channels for the call in historical time to obtain result information.
In this embodiment, the resource coordinator device queries whether the call indicated by the query request is allocated with a traffic channel when receiving the query request, and for convenience of description, the result obtained by querying the resource coordinator device is referred to as result information in this embodiment.
In this embodiment, in the case where the result information indicates that a plurality of base stations in the communication system have allocated traffic channels for the call at historic times, the result information includes an identification of the traffic channel to which the call is allocated.
And S103, the resource coordination device sends the result information to the base station.
In this step, the resource coordinator device transmits the result information to the base station.
The purpose of the above S101 to S103 is: and any base station acquires result information of whether the plurality of base stations allocate the traffic channels for the call in the historical time under the condition that the base station receives the allocation request of the traffic channels for any call.
The embodiment provides that the base station obtains the result information by querying the resource coordination device, which is just a specific implementation manner, and in practice, the device may obtain the result information by other manners besides the resource coordination device, and the embodiment does not limit the specific obtaining manner.
And S104, the base station acquires the identifiers of the service channels allocated by the plurality of base stations for the call in the history time under the condition that the result information indicates that the plurality of base stations allocate the service channels for the call in the history time.
In this embodiment, the base station obtains, from the result information, an identification of a traffic channel allocated for the call, in a case where the result information indicates that a plurality of base stations in the communication system have allocated traffic channels for the call at historic times.
S105, the base station distributes the identification of the service channel to the terminal indicated by the call.
In this embodiment, according to the professional wireless communication standard such as Tetra, the identifier of a traffic channel is allocated to the terminal belonging to the same base station among the terminals indicated by the call, that is, the terminals belonging to the same base station among the terminals indicated by the call share a traffic channel.
Specifically, in the case that the call is a group call, among the terminals indicated by the group call, the terminals belonging to the same base station share a service channel.
In this embodiment, the terminal indicated by the call communicates on the traffic channel indicated by the identification of the assigned traffic channel.
And S106, the base station judges whether the base station has a preset number of idle traffic channels or not under the condition that the received result information indicates that a plurality of base stations do not allocate traffic channels for the call in the historical time, if not, the step S107 is executed, and if so, the step S113 is executed.
In this step, in the case where the result information indicates that a plurality of base stations in the communication system have not allocated traffic channels for the call in the history time, the base stations need to allocate traffic channels for the terminals indicated by the call.
Because the terminals of the call instruction share one traffic channel according to the professional wireless communication standards such as Tetra, the terminals belonging to the same base station, in this step, the preset number is the number of different base stations in the base stations to which the terminals of the call instruction belong.
Specifically, in this step, the base station determines whether the base station has a preset number of idle traffic channels, and if the base station does not have the preset number of idle traffic channels, the base station needs to borrow the idle traffic channels from the node pair of the base station through the resource coordination device, and the specific implementation process is as follows S107 to S110. And if the base station has the preset number of idle traffic channels, distributing the preset number of idle traffic channels to the terminal indicated by the call. Among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
And S107, the base station sends a service channel borrowing request to the resource coordination device.
And executing the operation of the step under the condition that the base station does not have a preset number of idle traffic channels. Specifically, in this step, the base station transmits a traffic channel borrowing request to the resource coordination device.
In this step, the traffic channel borrowing request includes: the number of borrowed channels required. The determining method of the number of the needed borrowed channels comprises the following steps: and determining according to the preset number and the current number of idle service channels of the base station.
And S108, the resource coordination device sends the service channel borrowing request to the node pair base station of the base station under the condition that the service channel borrowing request is received.
In this embodiment, the process how the resource coordination device determines which base station is the node pair base station of the base station is the prior art, and is not described here in detail.
In this step, when receiving a traffic channel borrowing request transmitted from the base station, the resource coordination device transmits the traffic channel borrowing request to the node-to-node base station of the base station.
And S109, the node B sends the identification of the idle traffic channels with the number of the needed borrowed channels to the resource coordination device as the identification of the borrowed traffic channels under the condition that the idle traffic channels with the number of the needed borrowed channels exist.
In this embodiment, the node b determines whether there are idle traffic channels of the number of borrowed channels, and if there are idle traffic channels of the number of borrowed channels, sends the identity of the idle traffic channels of the number of borrowed channels to the resource coordination device. I.e. the identity of the traffic channel sent to the resource coordinator is the identity of the traffic channel borrowed to the base station. For convenience of description, the identification of the traffic channel transmitted to the resource coordinator device is referred to as the identification of the borrowed traffic channel.
S110, the resource coordination device sends the identification of the borrowed service channel to the base station.
S111, the base station allocates the identification of the service channel for the terminal indicated by the call under the condition that the base station receives the identification of the borrowed service channel.
In this embodiment, the base station sends the identity of the borrowed traffic channel to the terminal indicated by the call. Among the terminals indicated by the call, the terminals belonging to a base station share a service channel. In the communication process, for borrowing the traffic channel, the air interface transmission and the data bearing are based on the actual physical resources of the borrowed traffic channel.
S112, the node pair base station forwards the communication data of the call transmitted on the borrowed service channel to the base station.
In this embodiment, the node-b base station transmits the communication data of the call transmitted on the borrowed traffic channel to the base station.
In this embodiment, the base station performs unified management of control data (data transmitted on a control channel) and user data (communication data of the call). In this embodiment, the communication flow between the base station and the central control is the prior art, and will not be described here again.
S113, distributing service channel identification to the terminal indicated by the call.
And executing the operation of the step under the condition that a preset number of idle service channels exist in the base station. Specifically, the base station allocates an identifier of a traffic channel to the terminal indicated by the call. Among the terminals indicated by the call, the terminals belonging to a base station share a traffic channel according to the professional wireless communication standards such as Tetra.
The embodiment has the following beneficial effects:
the beneficial effects are as follows:
in this embodiment, when any base station in the communication system receives a service channel allocation request for any call, by acquiring result information about whether a plurality of base stations in the communication system allocate a service channel for the call in a history time, and when the result information indicates that a plurality of base stations in the communication system allocate a service channel for the call in the history time, an identifier of the service channel allocated for the call is allocated to a terminal indicated by the call, that is, the terminal indicated by the call uses the allocated service channel to perform communication.
The beneficial effects are as follows:
in this embodiment, when any base station receives an allocation request of a traffic channel for any call, and when a plurality of base stations of a communication system do not allocate traffic channels for the call in a history time and the base station does not have a preset number of idle traffic channels, the base station borrows the traffic channels from a node pair base station of the base station through a resource coordination device, that is, in this embodiment, the plurality of base stations in the communication system are regarded as a whole, so that the channel resources of the base stations in the communication system achieve the effect of dynamic sharing. However, a plurality of base stations in a communication system are all independent base stations.
Fig. 2 is a schematic diagram of a base station according to an embodiment of the present application, where the base station is any one base station in a communication system, and the communication system includes a plurality of base stations; the coverage areas of the plurality of base stations are the same, and the base station may include: a first acquisition module 201, a second acquisition module 202, and an allocation module 203, wherein,
a first obtaining module 201, configured to obtain, when receiving an allocation request of a traffic channel for any call, result information of whether a plurality of base stations allocate the traffic channel for the call at a historical time.
The second obtaining module 202 is configured to obtain, when the result information indicates that the plurality of base stations allocate traffic channels for the call in the historical time, identities of traffic channels allocated for the call by the plurality of base stations in the historical time.
An allocation module 203, configured to allocate an identifier of the traffic channel to the terminal indicated by the call.
Optionally, the communication system further includes: a resource coordination device; wherein the resource coordination device is used for coordinating the service channels of a plurality of base stations in the communication system and storing the service channels allocated for the call;
a first obtaining module 201, configured to obtain result information of whether a plurality of base stations allocate a traffic channel for the call in a historical time, where the result information includes:
the first obtaining module 201 is specifically configured to obtain the result information by querying the resource coordination device.
Optionally, the base station may further include:
and the judging module is used for judging whether the base station has a preset number of idle service channels or not to obtain a judging result under the condition that the result information indicates that the plurality of base stations do not allocate the service channels for the call in the history time, wherein the preset number is the number of different base stations in the base stations to which the terminal indicated by the call belongs.
The first execution module is used for sending a service channel borrowing request to the resource coordination device under the condition that the judging result obtained by the judging module indicates that the base station does not have the preset number of idle service channels; wherein the traffic channel borrowing request includes: the number of borrowed channels required.
The second execution module is used for distributing the identifier of the service channel for the terminal indicated by the call under the condition of receiving the identifier of the borrowed service channel; the borrowed traffic channels are the number of traffic channels of the needed borrowed channels which are acquired from the node pair base station of the base station by the resource coordination device and are used for borrowing the base station; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
Optionally, the base station may further include:
the forwarding module is used for forwarding the communication data for the call transmitted on the borrowed service channel to the target base station under the condition that the service channel borrowing request is received and the identification of the borrowed service channel is sent to the resource coordination device; the target base station is a base station borrowing the borrowed service channel.
The functions described in the methods of the present application, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computing device readable storage medium. Based on such understanding, a portion of the embodiments of the present application that contributes to the prior art or a portion of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, so that the same or similar parts between the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A communication method, characterized by being applied to a communication system comprising a plurality of base stations; the coverage areas of the plurality of base stations are the same;
under the condition that any base station receives an allocation request of a service channel for any call, obtaining result information of whether the plurality of base stations allocate the service channel for the call in historical time;
the base station obtains the identifiers of the service channels allocated to the call by the plurality of base stations in the historical time under the condition that the result information indicates that the plurality of base stations allocate the service channels to the call in the historical time;
the base station distributes the identification of the service channel to the terminal indicated by the call;
wherein the communication system further comprises a resource coordination device; the resource coordination device is configured to coordinate traffic channels of the plurality of base stations, and store traffic channels allocated for calls, and the method further includes:
the base station judges whether the base station has a preset number of idle service channels or not under the condition that the received result information indicates that the plurality of base stations do not allocate the service channels for the call in the historical time, and a judgment result is obtained; the preset number is the number of a plurality of base stations in a communication system where the base station to which the terminal indicated by the call belongs;
the base station sends a service channel borrowing request to the resource coordination device under the condition that the judging result indicates that the base station does not have the preset number of idle service channels; the traffic channel borrowing request includes: the number of borrowed channels required;
the resource coordination device sends the service channel borrowing request to a node-to-node base station of the base station under the condition that the service channel borrowing request is received;
the node pair base station sends the identification of the idle service channels of the number of the needed borrowed channels to the resource coordination device as the identification of the borrowed service channels under the condition that the idle service channels of the number of the needed borrowed channels exist;
the resource coordination device sends the identification of the borrowed service channel to the base station;
the base station allocates a service channel identifier for the terminal indicated by the call under the condition of receiving the borrowed service channel identifier; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
2. The method as recited in claim 1, further comprising:
the node-to-base station forwards the communication data of the call transmitted on the borrowed traffic channel to the base station.
3. The method according to claim 1, wherein the step of, in the case where the allocation request of the traffic channel for any call is received by any base station, obtaining the result information of whether the traffic channel has been allocated by the plurality of base stations for the call at the historic time includes:
the base station sends a query request to a resource coordination device under the condition of receiving an allocation request of a service channel for any call;
the resource coordination device inquires whether the plurality of base stations allocate service channels for the call in historical time to obtain result information;
the resource coordination device sends the result information to the base station.
4. A communication system, comprising: a plurality of base stations; the coverage areas of the plurality of base stations are the same;
under the condition that any base station receives an allocation request of a service channel for any call, obtaining result information of whether the plurality of base stations allocate the service channel for the call in historical time;
the base station obtains the identifiers of the service channels allocated to the call by the plurality of base stations in the historical time under the condition that the result information indicates that the plurality of base stations allocate the service channels to the call in the historical time;
the base station distributes the identification of the service channel to the terminal indicated by the call;
wherein the communication system further comprises a resource coordination device; the resource coordination device is used for coordinating the service channels of the plurality of base stations and storing the service channels allocated for the call;
the base station judges whether the base station has a preset number of idle service channels or not under the condition that the received result information indicates that the plurality of base stations do not allocate the service channels for the call in the historical time, and a judgment result is obtained; the preset number is the number of a plurality of base stations in a communication system where the base station to which the terminal indicated by the call belongs;
the base station sends a service channel borrowing request to the resource coordination device under the condition that the judging result indicates that the base station does not have the preset number of idle service channels; the traffic channel borrowing request includes: the number of borrowed channels required;
the resource coordination device sends the service channel borrowing request to a node-to-node base station of the base station under the condition that the service channel borrowing request is received;
the node pair base station sends the identification of the idle service channels of the number of the needed borrowed channels to the resource coordination device as the identification of the borrowed service channels under the condition that the idle service channels of the number of the needed borrowed channels exist;
the resource coordination device sends the identification of the borrowed service channel to the base station;
the base station allocates a service channel identifier for the terminal indicated by the call under the condition of receiving the borrowed service channel identifier; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
5. A communication method, characterized by being applied to any base station in a communication system; the communication system includes a plurality of base stations; the coverage areas of the plurality of base stations are the same;
under the condition that an allocation request of a service channel for any call is received, obtaining result information of whether the service channel is allocated to the call by the plurality of base stations in historical time;
acquiring the identifiers of the service channels allocated to the call by the plurality of base stations in the historical time under the condition that the result information indicates that the service channels are allocated to the call by the plurality of base stations in the historical time;
distributing the identification of the service channel to the terminal indicated by the call;
wherein the communication system further comprises: a resource coordination device; the resource coordination device is configured to coordinate traffic channels of the plurality of base stations, and store traffic channels allocated for calls, and the method further includes:
judging whether the base station has a preset number of idle service channels or not under the condition that the result information indicates that the plurality of base stations do not allocate the service channels for the call in the historical time, and obtaining a judging result; the preset number is the number of a plurality of base stations in a communication system where the base station to which the terminal indicated by the call belongs;
transmitting a service channel borrowing request to the resource coordination device under the condition that the judging result indicates that the base station does not have the preset number of idle service channels; the traffic channel borrowing request includes: the number of borrowed channels required;
under the condition of receiving the identification of the borrowed service channels, the identification of the preset number of service channels is distributed to the terminal indicated by the call; the borrowed service channels are the number of the service channels of the needed borrowed channels, which are obtained from the node pair base station of the base station by the resource coordination device and are used for borrowing the base station; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
6. The method as recited in claim 5, further comprising:
under the condition that a service channel borrowing request is received and an identification of the borrowed service channel is sent to the resource coordination device, forwarding communication data for the call, which is transmitted on the borrowed service channel, to a target base station; the target base station is a base station borrowing the borrowed service channel.
7. The method of claim 5, wherein the obtaining the result information of whether the plurality of base stations allocated traffic channels for the call at the historical time comprises:
and obtaining the result information by inquiring the resource coordination device.
8. A base station, wherein the base station is any one base station in a communication system, and the communication system comprises a plurality of base stations; the coverage areas of the plurality of base stations are the same, and the base stations comprise:
a first obtaining module, configured to obtain, when an allocation request of a traffic channel for any call is received, result information of whether the plurality of base stations allocate the traffic channel for the call at a history time;
a second obtaining module, configured to obtain, when the result information indicates that the plurality of base stations allocate a traffic channel for the call in the history time, an identifier of the traffic channel allocated by the plurality of base stations for the call in the history time;
an allocation module, configured to allocate the identifier of the traffic channel to the terminal indicated by the call;
wherein the communication system further comprises: a resource coordination device; wherein the resource coordination device is used for coordinating the service channels of a plurality of base stations in the communication system and storing the service channels allocated for the call;
a first obtaining module, configured to obtain result information of whether a plurality of base stations allocate a traffic channel for the call in a history time, including:
the first acquisition module is specifically used for obtaining the result information by inquiring the resource coordination device;
the base station further includes:
the judging module is used for judging whether the base station has a preset number of idle service channels or not to obtain a judging result under the condition that the result information indicates that the plurality of base stations do not allocate the service channels for the call in the history time, wherein the preset number is the number of the plurality of base stations in the communication system where the base station to which the terminal indicated by the call belongs;
the first execution module is used for sending a service channel borrowing request to the resource coordination device under the condition that the judging result obtained by the judging module indicates that the base station does not have the preset number of idle service channels; wherein the traffic channel borrowing request includes: the number of borrowed channels required;
the second execution module is used for distributing the identifier of the service channel for the terminal indicated by the call under the condition of receiving the identifier of the borrowed service channel; the borrowed traffic channels are the number of traffic channels of the needed borrowed channels which are acquired from the node pair base station of the base station by the resource coordination device and are used for borrowing the base station; among the terminals indicated by the call, the terminals belonging to a base station share a service channel.
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