CN113453211A - Roaming scene service processing system applied to narrow-band cluster communication system - Google Patents
Roaming scene service processing system applied to narrow-band cluster communication system Download PDFInfo
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- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
Abstract
The embodiment of the application provides a roaming scene service processing system applied to a narrowband cluster communication system, which comprises: the user home location area determining module is used for determining users belonging to the same wireless coverage area; the service working group determining module is used for establishing a service working group in a mode of dynamic recombination of the narrow-band trunking communication system; a roaming user service module, which is used for updating the user position in a wireless coverage area by the group leader when the service working group receives the dynamic restructuring information at the attribution, and carrying out group member inquiry according to the group number of the service working group, and uniformly updating the position of the group user; the method and the device can effectively solve the influence on the local user service in the roaming process of the working group.
Description
Technical Field
The application relates to the field of information communication, in particular to a roaming scene service processing system applied to a narrow-band cluster communication system.
Background
The narrow-band cluster communication system is mostly used in the field of private network communication and plays an important role in special fields. After the narrowband trunking communication system is networked in a large scale, a user can have a cross-regional behavior, namely a roaming service. Due to the characteristic of narrow-band trunking communication system channel resource shortage, roaming service may have roaming failure due to channel resource fullness, resulting in network access failure and loss of connection of users, and may have very serious consequences in case of emergency in a special field.
The narrow-band cluster communication system allows users to normally communicate services under roaming conditions. When the base station has scattered and small-batch user roaming service, the channel resources may be completely occupied, so that the local service enters a queuing state due to the occupation of the channel resources and cannot normally access the network, and the normal service cannot be satisfied. Especially in emergency communication scene, when users in different areas jointly execute tasks, the channel resource of the base station can face huge challenges, and the situation that the users are passively disconnected from the network is stopped, which is an important precondition for the communication system to play a role.
Therefore, the method ensures the normal roaming network access function of the user, and is a key ring for ensuring the safety and reliability of the narrow-band trunking communication system after large-scale networking.
Disclosure of Invention
Aiming at the problems in the prior art, the roaming scene service processing system applied to the narrow-band cluster communication system can effectively solve the influence on local user services in the roaming process of a working group.
In order to solve at least one of the above problems, the present application provides the following technical solutions:
in a first aspect, the present application provides a roaming scenario service processing system applied to a narrowband trunking communication system, including:
the user home location area determining module is used for determining users belonging to the same wireless coverage area;
the service working group determining module is used for establishing a service working group in a mode of dynamic recombination of the narrow-band trunking communication system;
and the roaming user service module is used for updating the user position in a wireless coverage area by the group leader when the service working group receives the dynamic restructuring information at the attribution, inquiring the group members according to the group number of the service working group, and uniformly updating the position of the group user.
Further, the user home location area determining module further distinguishes the user home area by using the sector ID if there is a situation that multiple base stations belong to the same LAI or a single base station belongs to multiple BBUs.
Further, the user home location area determination module further comprises handling the user location change across BBUs as user roaming or handover.
Further, the service working group determining module also includes that if the service working group is in the cooperative task state, the system reserves an independent roaming service channel for the roaming user to use independently, and uses an independent priority queue.
Further, the service working group determining module also includes that if the service working group initiates an emergency call, the channel resource of the local communication service is seized.
Furthermore, the service working group determining module also comprises a movable range of the service working group which can be created during planning, and when the service working group moves across the MSCs, the MSCs dynamically add and delete the service working group.
Furthermore, the roaming user service module also includes a certain amount of channel resources respectively preset by the local user and the roaming user, and respective priority queuing queues are independently used.
Furthermore, the service module of the roaming user also comprises that if the service channel is idle, the local user and the roaming user can use the channel resource of the other party; if the newly-initiated service needs the channel, the non-preemptive service can rob the stolen non-preemptive service channel.
Furthermore, the roaming user service module also comprises a broadcast and full call service which only allows to remove the call using the local service channel.
Furthermore, the roaming user service module also includes a resource for queuing and waiting in the roaming service queue for the non-workgroup service of the roaming user, and the workgroup service of the roaming user can seize the non-workgroup service.
According to the technical scheme, the roaming scene service processing system applied to the narrow-band cluster communication system is used for determining the home location area of the user, establishing the service working group, distinguishing the channel use and splitting the priority queue through the software virtual S-MSC so as to solve the influence on the local user service in the working group roaming process.
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In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a roaming scenario service processing system applied to a narrowband trunking communication system in an embodiment of the present application;
FIG. 2 is a block diagram of a business operations group in one embodiment of the present application;
FIG. 3 is a schematic diagram of a home location area of a subscriber in an embodiment of the present application;
FIG. 4 is a schematic diagram of a business task group design in an embodiment of the present application;
fig. 5 is a schematic diagram illustrating registration of a roaming user in a service working group according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In consideration of the problem that roaming service may have roaming failure due to full channel resources, resulting in network access failure and loss of connection of users, and may have very serious consequences in an emergency situation in a special field due to the characteristic of channel resource shortage of a narrow-band trunking communication system in the prior art, the application provides a roaming scene service processing system applied to the narrow-band trunking communication system, and the influence on local user service in the roaming process of a working group is solved by determining the home location area of the users, establishing a service working group, distinguishing channel use and splitting a priority queue through a software virtual S-MSC.
In order to effectively solve the problem of the influence on the local user service in the roaming process of the working group, the present application provides an embodiment of a roaming scenario service processing system applied to a narrowband trunking communication system, and referring to fig. 1, the roaming scenario service processing system applied to the narrowband trunking communication system specifically includes the following contents:
a user home location area determining module 10, configured to determine users belonging to the same wireless coverage area;
the service working group determining module 20 is configured to establish a service working group in a manner of dynamic reconfiguration of the narrowband trunking communication system;
and the roaming user service module 30 is configured to, when the service working group receives the dynamic reconfiguration information at the home location, perform user location update on a wireless coverage area by the group leader, perform group member inquiry according to the group number of the service working group, and perform location update on the group users in a unified manner.
As can be seen from the above description, the roaming scenario service processing system applied to the narrowband trunking communication system provided in the embodiment of the present application can determine the home location area of the user, establish the service working group, differentiate the channel usage, and split the priority queue through the software virtual S-MSC, so as to solve the influence on the local user service during the working group roaming process.
As a possible embodiment of the present application, the user home location area determining module further includes distinguishing a home area of the user by using a sector ID if there is a situation where multiple base stations belong to the same LAI or a single base station belongs to multiple BBUs, and the user home location area determining module further includes processing the change of the user location across BBUs as user roaming or handover.
Alternatively, referring to fig. 2, the concept of the user home location area refers to users belonging to the same radio coverage area, i.e. LAI is located in the same location. If multiple base stations belong to the same LAI or a single base station belongs to multiple BBUs, the home areas of the users are distinguished by sector IDs (AIDs). The home location of a mobile communication subscriber in a core switching network means that subscribers belonging to the same HSS (hlr) register are their home locations, and in general, subscribers belonging to the same HSS have the same MNC value. Thus, the user home location area can be formulated by: HLA-MNC + LAI + AID. Generally, the mobile communication system only concerns the HSS location of the subscriber; the core switching network only records the user position under a certain BS, so the user position change of the BBU can be used as user roaming or handover processing aiming at different conditions of narrow-band cluster communication deployment and use modes and the technical system characteristics of large sector coverage.
As a possible embodiment of the present application, the service workgroup determining module further includes that if the service workgroup is in a cooperative task state, the system reserves an independent roaming service channel for independent use by the roaming user and uses an independent priority queue, and if the service workgroup initiates an emergency call, the service workgroup determining module further includes that channel resources of the local communication service are seized.
As a possible embodiment of the present application, the service working group determining module further includes that a movable range of the service working group can be created during planning, and when the service working group moves across MSCs, the addition and deletion of the service working group are dynamically performed between the MSCs.
Optionally, referring to FIG. 3, groups 1-2, 2-1, 3-3, dynamic recombinant R-1 belong to business working groups HLA1, HLA2, HLA3, HLA4, respectively. When the service working group is in the cooperative task state, the system reserves an independent roaming service channel. The roaming traffic channel is used by the roaming subscriber alone, using an independent priority queue. Service calls such as full call, broadcast, etc. cannot preempt roaming service channel users and channel resources. Under normal conditions, the communication service of the service working group cannot seize a local communication service channel; but the emergency call initiated by the service working group can preempt the channel resource of the local communication service.
In another embodiment of the present application, when the service working group receives the dynamic reconfiguration information at the home location, the group leader performs the user location update at the LAI, and the general group member does not perform the location update. When the position of the group leader is updated, the HMSC queries the group members according to the group number of the service group, and uniformly updates the position of the group user.
Specifically, referring to fig. 4, the specific steps of establishing a service working group and arriving a working group at a destination are as follows:
1) and establishing a service working group on the dispatching desk, and sending a group creation Creategroup signaling to a group home switch H _ MSC by a cascade switch S _ MSC of the dispatching desk according to group member distribution.
2) The home switch sends dynamic recombination dynamic group signaling to each group member and group leader, wherein the signaling contains target location information dstLAI.
3) When the working group member performs position roaming movement by taking a group as a unit, the group leader performs position updating Registration to the V _ MSC, the V _ MSC sends a Registration updating Registration signaling to the H _ MSC, and the H _ MSC performs unified updating on the positions of the group members.
In another embodiment of the present application, in order to ensure that services of the local user and the working group member users in the roaming area are processed in parallel, a working group user channel is performed in a reserved manner, and uses a priority queue different from that of the local user, and the working group service priority is higher than that of the normal group, so that the channel resources of the local user are allowed to be preempted under a controllable condition.
As a possible embodiment of the present application, the roaming user service module further includes that the home subscriber and the roaming subscriber respectively preset a certain amount of channel resources, and use their respective priority queuing queues independently.
As a feasible embodiment of the present application, the roaming user service module further includes that if the traffic channel is idle, the local user and the roaming user can use the channel resource of the other party; if the newly-initiated service needs the channel, the non-preemptive service can rob the stolen non-preemptive service channel.
As a possible embodiment of the present application, the roaming user service module further includes a broadcast and full call service that only allows a call using a local traffic channel to be torn down.
As a possible embodiment of the present application, the roaming user service module further includes queuing and waiting resources in a roaming service queue for the non-workgroup service of the roaming user, and the workgroup service of the roaming user can seize the non-workgroup service.
Based on the prior art system of the narrow-band cluster communication network, the problem of network access failure of roaming users can be effectively solved by slightly modifying the original dynamic recombination air interface content and partially modifying the core switching network and the access network channel control strategy. The technical scheme in the application has the following advantages:
(1) the problem of channel resource competition collision when a roaming user accesses the network is solved;
(2) the channel is accurately controlled, and the effective utilization rate of the channel is improved;
(3) the two types of channels are flexible and convertible, and the multiplexing degree of the channels is improved;
(4) the group leader represents the group users to update the positions, thereby avoiding temporary network congestion passing through the network and possible network paralysis, and improving the reliability of the system.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A roaming scenario service processing system applied to a narrowband trunking communication system, the system comprising:
the user home location area determining module is used for determining users belonging to the same wireless coverage area;
the service working group determining module is used for establishing a service working group in a mode of dynamic recombination of the narrow-band trunking communication system;
and the roaming user service module is used for updating the user position in a wireless coverage area by the group leader when the service working group receives the dynamic restructuring information at the attribution, inquiring the group members according to the group number of the service working group, and uniformly updating the position of the group user.
2. The roaming scene service processing system applied to the narrowband cluster communication system of claim 1, wherein the user home location area determining module further distinguishes a user home area by a sector ID if there is a situation that multiple base stations belong to the same LAI or a single base station belongs to multiple BBUs.
3. The roaming scenario service processing system applied to narrowband cluster communication system of claim 1, wherein the subscriber home location area determination module further comprises handling subscriber location change across BBUs as subscriber roaming or handover.
4. The roaming scenario service processing system of claim 1, wherein the service working group determining module further comprises a system reserving an independent roaming service channel for independent use by the roaming user and using an independent priority queue if the service working group is in a cooperative task state.
5. The roaming scenario service processing system of claim 1, wherein the service workgroup determining module further seizes channel resources of a local communication service if the service workgroup initiates an emergency call.
6. The roaming scenario service processing system of claim 1, wherein the service working group determining module further comprises a movable range of service working groups which can be created during planning, and when a service working group moves across MSCs, service working group addition and deletion are dynamically performed between MSCs.
7. The system of claim 1, wherein the roaming scenario service module further comprises a local subscriber and a roaming subscriber, wherein a certain number of channel resources are preset in the roaming scenario service module, and the local subscriber and the roaming subscriber use their respective priority queuing queues independently.
8. The roaming scenario service processing system applied to the narrowband trunking communication system of claim 1, wherein the roaming user service module further comprises a channel resource that the local user and the roaming user can use when a traffic channel is idle; if the newly-initiated service needs the channel, the non-preemptive service can rob the stolen non-preemptive service channel.
9. The roaming scenario service processing system of claim 1, wherein the roaming subscriber service module further comprises a broadcast full call service that only allows a call using a local traffic channel to be torn down.
10. The system of claim 1, wherein the roaming scenario service module further comprises a non-workgroup service queuing waiting resource of the non-workgroup service of the roaming user in the roaming service queue, and the non-workgroup service can be preempted by the workgroup service of the roaming user.
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