CN106792846A - A kind of broadband cluster communication system that function is weakened with distributed fault - Google Patents
A kind of broadband cluster communication system that function is weakened with distributed fault Download PDFInfo
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- CN106792846A CN106792846A CN201611103028.3A CN201611103028A CN106792846A CN 106792846 A CN106792846 A CN 106792846A CN 201611103028 A CN201611103028 A CN 201611103028A CN 106792846 A CN106792846 A CN 106792846A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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Abstract
The invention discloses a kind of broadband cluster communication system that function is weakened with distributed fault, including：Terminal, base station, core net EPC and dispatching desk, the base station includes Network Fault Detection module and integrated EPC modules, the Network Fault Detection module is used to detect the connection status of network, and the integrated EPC modules are used to replace registration and the service request of core net EPC processing terminals；Can be cached to the storage information in network in the integrated EPC modules of base station under fail soft mode of operation by the core net EPC.Each base station of the invention need to only process registration and the service request of terminal in this base station range under fail soft mode of operation, reduce the cost of implementation of fail soft function in base station；Cluster multi call or single call service can be expanded to by multiple base stations by the information exchange between base station, as long as the communication between base station is normal, then operation expanding to multiple base stations is easily effectively improved into the stability and autgmentability of fail soft state lower network.
Description
Technical field
The present invention relates to communication technical field, more particularly, to the broadband cluster communication that function is weakened with distributed fault
System.
Background technology
Relevant fail soft scheme in current cluster communication protocol draft, around group exhale with individual calling cluster business, be only capable of
Single base station realizes that its application has significant limitation because a group exhale in terminal may be distributed in multiple base stations between, it is single
The caller exhaled and it is called be likely to be located at different base stations between, therefore, it is necessary to fail soft scheme is expanded into multiple base stations.
Therefore, the obvious deficiency of existing fail soft scheme is can only to be realized in single base station.
In the prior art, the patent of Application No. 201410555563.7 proposes that a kind of fail soft based on LTE is realized
Method and system, are a kind of fail soft schemes for extending to multiple base stations, wherein, when a network fails, by choosing
A base station is selected as EPC is acted on behalf of, is all base stations service in group, the program acts on behalf of EPC schemes for a kind of centralization, with
Lower some deficiency：
1) it is centralized to act on behalf of EPC mechanism, easily there is Single Point of Faliure, when the base station for acting on behalf of EPC is broken down, it is necessary to
Reselect and act on behalf of EPC, causing trouble reduction state lower network is unstable, and autgmentability is bad；
2) when base station is more in group, it is necessary to act on behalf of EPC be in whole group base station service, to act on behalf of EPC base station will
Ask very high, realization it is relatively costly；
3) each base station will cache the CAMEL-Subscription-Information of all terminals of core net management, also result in terminal letter on each base station
Cease substantial amounts of redundancy.
The content of the invention
The technical problems to be solved by the invention are how to overcome cluster communication distributed fault Weakened System, Dan Ji
The limitation of business of standing, and the defect that cache information amount is big in base station, complexity is high.
In the end-to-end flow of existing broadband cluster communication system draft agreement, to the related signaling stream of fail soft function
Cheng Jinhang specifications, including fail soft function enable with recover, the registration under fail soft, TAU, group are exhaled, individual calling, right of speech
Application etc., wherein, TAU (Tracking Area Update) is tracing section updating, i.e., when customer location changes and needs
When updating TA lists, the Signalling exchange between network side, wherein, tracking area (TrackingArea) is that LTE system is UE
The concept that the location management of (terminal) is set up, multiple TA constitute a TA list, and wherein TA lists are that terminal is used, TA lists
In comprising multiple base stations.
For example, for fail soft function enable with recovery, occur with the link of core net when base station detects
, it is necessary to terminate all business for currently carrying out during failure, and notify that terminal reregisters with base station, when fault recovery, also need
Terminate all business for currently carrying out, notify that terminal reregisters with cluster core net；Exhale for the group under fail soft and
Individual calling, when base station receives call request, only carries out clustered paging in this base station, sets up group and exhales or single call service channel, so, therefore
Group under barrier reduction is exhaled and is only capable of being realized in single base station with single call service.
Failure between base station and core net is usually expressed as two kinds of situations：
A kind of situation is the interrupted communication link between base station and core net, in this case between base station and adjacent base station
Communication link is likely to interrupt, and causes base station to turn into an isolated base station, and existing fail soft scheme only accounts for this feelings
Shape；
Another situation is that core net breaks down, and the base station under causing the core net to manage occurs with the communication of core net
Interrupt, but, the communication between each base station is probably normal, therefore, when design error failure weakens scheme, group can be exhaled or
Single call service expands to multiple base stations and realizes.
A kind of " fail soft realization method and system based on LTE " of the prior art, basic thought therein is to work as
When network is normal, core net EPC (Evolved Packet Core) by the terminal unit contractual information in the EPC and with the EPC phases
Base station configuration information even is sent to corresponding base station, and each base station possesses the partial function of core net.When logical between core net and base station
When letter breaks down, if it is normal to be communicated between some base stations, these base stations are constituted into a group, the base station in group passes through phase
Mutually interaction, one base station of selection, as EPC is acted on behalf of, is all base stations service in group.
It should be noted that the fail soft function in broadband cluster communication system refers to when between base station and core net
Communication disruption, or core net, when breaking down, base station can process the registration of terminal and service request in its coverage, branch
Group is held to exhale and the business such as individual calling.After failure vanishes between base station and core net, system can automatically restore to normal work shape
State.
The invention provides a kind of broadband cluster communication system that function is weakened with distributed fault, the system bag
Include：
The system includes terminal, base station, core net EPC and dispatching desk,
The base station includes Network Fault Detection module and integrated EPC modules, and the Network Fault Detection module is used to examine
The connection status of survey grid network, the integrated EPC modules are used to replace registration and the service request of core net EPC processing terminals；
The core net EPC includes mobile management entity eMME, subscription data management AUC eHSS, data gateway
XGW, clustered control functional entity TCF and cluster media function entity TMF, the mode of operation of the base station is normal mode of operation
With fail soft mode of operation, the core net EPC can delay the storage information in network under fail soft mode of operation
It is stored in the integrated EPC modules of base station.
Further, the terminal is multiple, and the base station is multiple, is interacted by eating dishes without rice or wine between the terminal and base station
Information, by X2 interface interactive information between the base station and base station, passes through S1 interactive interfacings between the base station and core net
Information, passes through D interface interactive information between the dispatching desk and core net.
Further, the Network Fault Detection module is used to detect the connection status of network, including：
Detect the connection status between the base station and the core net EPC；
Detect the connection status between other base stations under the base station and the management of same core net.
Further, the base station according to Network Fault Detection module to the testing result of network state, in normal work
Changed between pattern and fail soft mode of operation.
Further, when network failure is detected, base station enters the fail soft mode of operation, enables integrated
EPC modules, core net EPC is replaced by integrated EPC modules, processes registration and industry that the terminal in the base station range is initiated
Business request.
Further, when network disaster recovery is detected, base station enters the normal mode of operation, closes integrated EPC
Module, registration and service request that the terminal in the base station range is initiated, the integrated EPC are processed by core net EPC
Storage information in the network that module caching core net EPC sends.
Specifically, the service request includes that position updating request, group call for summation individual calling request, is exhaled setting up described group
When request and individual calling are asked, the base station interacts by with other base stations, realizes the determination of group call region or to terminal called
Paging.
Further, the storage information in the network includes CAMEL-Subscription-Information, the cluster of the colony terminal stored in network
Base station information under CAMEL-Subscription-Information, the management of same core net of group.
Further, the CAMEL-Subscription-Information of the colony terminal includes the CAMEL-Subscription-Information of multiple terminals, the multiple terminal bag
Include the Idle state terminal of connected state terminal and TA lists comprising the base station in base station range；
Collection group CAMEL-Subscription-Information includes the CAMEL-Subscription-Information of multiple groups, and the multiple group includes being cached to the base
The group and the group of Idle state terminal of all connected state terminals stood；
The lower base station information of the same core net management include core net manage under each base station work state information,
The IP address information and port information of each base station.
Further, the work state information includes normal state information and fail soft status information.
The beneficial effects of the invention are as follows：
(1) under fail soft mode of operation, each base station need to only process this to distributed fault Weakened System of the invention
The registration of the terminal in base station range and service request, reduce the information content of each base station needs caching, and process
Complexity, so as to reduce the cost of implementation of fail soft function in base station.
(2) distributed fault Weakened System of the invention, can be by cluster multi call or list by the information exchange between base station
Operation expanding to multiple base stations is exhaled, as long as the communication between base station is normal, is then easily effectively improved operation expanding to multiple base stations
The stability and autgmentability of fail soft state lower network.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the broadband cluster communication system schematic diagram with distributed fault reduction function in embodiment；
Fig. 2 is the flow chart changed between fail soft mode of operation and normal mode of operation in embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment：
As shown in Figure 1-2, a kind of broadband cluster communication system with distributed fault reduction function is present embodiments provided
System, the system includes：
The system includes terminal, base station, core net EPC and dispatching desk,
The base station includes Network Fault Detection module and integrated EPC modules, and the Network Fault Detection module is used to examine
The connection status of survey grid network, the integrated EPC modules are used to replace registration and the service request of core net EPC processing terminals；
The core net EPC includes mobile management entity eMME, subscription data management AUC eHSS, data gateway
XGW, clustered control functional entity TCF and cluster media function entity TMF, the mode of operation of the base station is normal mode of operation
Can be under the fail soft mode of operation, by the storage letter in network with core net EPC described in fail soft mode of operation
Breath is cached in the integrated EPC modules of base station.
Further, the terminal is multiple, and the base station is multiple, is interacted by eating dishes without rice or wine between the terminal and base station
Information, by X2 interface interactive information between the base station and base station, passes through S1 interactive interfacings between the base station and core net
Information, passes through D interface interactive information between the dispatching desk and core net.
Further, the Network Fault Detection module is used to detect the connection status of network, including：
Detect the connection status between the base station and the core net EPC；
Detect the connection status between other base stations under the base station and the management of same core net.
Further, the base station according to Network Fault Detection module to the testing result of network state, in normal work
Changed between pattern and fail soft mode of operation, wherein, the connection status between detection base station and base station is in fail soft work
Detected under operation mode.
Further, when network failure is detected, base station enters the fail soft mode of operation, enables integrated
EPC modules, core net EPC is replaced by integrated EPC modules, processes registration and industry that the terminal in the base station range is initiated
Business request.
Further, when network disaster recovery is detected, base station enters the normal mode of operation, closes integrated EPC
Module, registration and service request that the terminal in the base station range is initiated, the integrated EPC are processed by core net EPC
Storage information in the network that module caching core net EPC sends.
Specifically, the service request includes that position updating request, group call for summation individual calling request, is exhaled setting up described group
When request and individual calling are asked, the base station interacts by with other base stations, realizes the determination of group call region or to terminal called
Paging, wherein, the service request is not limited to above-mentioned request, also including other ask.
It should be noted that base station operation is in fail soft mode of operation, the Network Fault Detection module of inside of base station
Needs detect and preserve the connection status with other base stations, such as, and can be determined by the IP address of other base stations of PING with
The connectedness of other base stations, if PING is logical, then it represents that connection status is normal, otherwise, represents that connection is broken down.
Wherein, PING (Packet Internet Groper), the Internet packets survey meter, for test network connection amount
Program.It is internet letter report control association that Ping sends an ICMP (Internet Control Messages Protocol)
View；Whether echo request message is to destination and reports receive desired ICMP echo (ICMP Echo Replies), it be for
Check whether network unobstructed or order of network connection speed.
Under fail soft mode of operation, a communication system, the communication are constituted by all base stations that can be connected with each other
Each base station in system has the partial function of core net, exhale when the group that certain base station in system receives terminal initiation or
When single call service is asked, group can be exhaled by information exchange between the base station in system or the scope of business of individual calling expands to multiple
Base station, it is specific as follows：
Base station in fail soft mode of operation, the terminal processed by the integrated EPC in base station in its coverage is sent out
The registration for rising and service request, for the request such as registration, tracing section updating (TAU), can complete in this base station；For group
Exhale, the business such as individual calling, in order to be able to the scope of business is expanded into other base stations, it is necessary between other base stations interactive information, ability
Determination or the paging to terminal called of group call region etc. are completed, idiographic flow is relevant with the specific business that need to be set up.
Further, the storage information in the network includes CAMEL-Subscription-Information, the cluster of the colony terminal stored in network
Base station information under CAMEL-Subscription-Information, the management of same core net of group.
Further, the CAMEL-Subscription-Information of the colony terminal includes the CAMEL-Subscription-Information of multiple terminals, the multiple terminal bag
Include the Idle state terminal of connected state terminal and TA lists comprising the base station in base station range；
Collection group CAMEL-Subscription-Information includes the CAMEL-Subscription-Information of multiple groups, and the multiple group includes being cached to the base
The group and the group of Idle state terminal of all connected state terminals stood；
The lower base station information of the same core net management include core net manage under each base station work state information,
The IP address information and port information of each base station.
Further, the work state information includes normal state information and fail soft status information.
It should be noted that the storage information in the network is not limited to information mentioned above, also stored including other
Information；The CAMEL-Subscription-Information of colony terminal, is not limited to CAMEL-Subscription-Information mentioned above, also including other CAMEL-Subscription-Information；Collection group is signed
About information is not limited to CAMEL-Subscription-Information mentioned above, also including other CAMEL-Subscription-Information；Base station information under same core net management,
Base station information mentioned above is not limited to, also including other base station informations.
Wherein, when trunked communication system is operated in normal operating conditions, core net EPC is periodically required to be stored in network
Colony terminal CAMEL-Subscription-Information, the CAMEL-Subscription-Information of collection group, the management of same core net under base station information etc. be cached to each base
In the integrated EPC for standing, during to be broken down when being communicated between base station and core net, the integrated EPC of inside of base station can replace core
The registration of heart net EPC processing terminals and service request.
When trunked communication system is operated in fail soft working condition, base station receives group and exhales or during the service request such as individual calling,
Information exchange is carried out by with other base stations, group can be exhaled or single call service is expanded to other base stations.
The beneficial effects of the invention are as follows：
(1) under fail soft mode of operation, each base station need to only process this to distributed fault Weakened System of the invention
The registration of the terminal in base station range and service request, reduce the information content of each base station needs caching, and process
Complexity, so as to reduce the cost of implementation of fail soft function in base station.
(2) distributed fault Weakened System of the invention, can be by cluster multi call or list by the information exchange between base station
Operation expanding to multiple base stations is exhaled, as long as the communication between base station is normal, is then easily effectively improved operation expanding to multiple base stations
The stability and autgmentability of fail soft state lower network.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. it is a kind of with distributed fault weaken function broadband cluster communication system, it is characterised in that the system includes：
The system includes terminal, base station, core net EPC and dispatching desk,
The core net EPC includes mobile management entity eMME, subscription data management AUC eHSS, data gateway xGW, collection
Group control functional entity TCF and cluster media function entity TMF, the core net EPC can delay the storage information in network
It is stored in the integrated EPC modules of base station；
The base station includes Network Fault Detection module and integrated EPC modules, and the mode of operation of the base station is normal work mould
Formula and fail soft mode of operation, the Network Fault Detection module are used to detect the connection status of network, the integrated EPC moulds
Block under the fail soft mode of operation of base station, for replace core net EPC processing terminals registration and service request.
2. it is according to claim 1 with distributed fault weaken function broadband cluster communication system, it is characterised in that
The Network Fault Detection module is used to detect the connection status of network, including：
Detect the connection status between the base station and the core net EPC；
Detect the connection status between other base stations under the base station and the management of same core net.
3. it is according to claim 1 with distributed fault weaken function broadband cluster communication system, it is characterised in that
The base station according to Network Fault Detection module to the testing result of network state, in normal mode of operation and fail soft
Changed between mode of operation.
4. it is according to claim 3 with distributed fault weaken function broadband cluster communication system, it is characterised in that
When network failure is detected, base station enters the fail soft mode of operation, integrated EPC modules is enabled, by collecting
Replace core net EPC into EPC modules, process registration and service request that the terminal in the base station range is initiated.
5. it is according to claim 3 with distributed fault weaken function broadband cluster communication system, it is characterised in that
When network disaster recovery is detected, base station enters the normal mode of operation, integrated EPC modules is closed, by core net
Registration and service request that terminal in the EPC treatment base station range is initiated, the integrated EPC modules caching core net
Storage information in the network that EPC sends.
6. the broadband cluster communication system that function is weakened with distributed fault according to claim 4 or 5, its feature exists
In,
The service request includes that position updating request, group call for summation individual calling request, and individual calling of suing for peace is called for setting up described group
During request, the base station interacts by with other base stations, realizes the determination or the paging to terminal called of group call region.
7. it is according to claim 1 with distributed fault weaken function broadband cluster communication system, it is characterised in that
Storage information in the network include the CAMEL-Subscription-Information of the colony terminal stored in network, the CAMEL-Subscription-Information of collection group and
Base station information under same core net management.
8. it is according to claim 7 with distributed fault weaken function broadband cluster communication system, it is characterised in that
The CAMEL-Subscription-Information of the colony terminal includes the CAMEL-Subscription-Information of multiple terminals, and the multiple terminal includes base station range
The Idle state terminal of interior connected state terminal and TA lists comprising the base station；
Collection group CAMEL-Subscription-Information includes the CAMEL-Subscription-Information of multiple groups, and the multiple group includes being cached to the base station
The group of all connected state terminals and the group of Idle state terminal；
Base station information under the same core net management includes work state information, each base of each base station under core net management
The IP address information and port information stood.
9. it is according to claim 8 with distributed fault weaken function broadband cluster communication system, it is characterised in that
The work state information includes normal state information and fail soft status information.
10. the broadband cluster communication system that function is weakened with distributed fault according to claim 1, its feature exists
In,
The terminal is multiple, and the base station is multiple, by interactive information of eating dishes without rice or wine between the terminal and base station, the base station
By X2 interface interactive information between base station, by S1 interactive interfacing information between the base station and core net, the scheduling
Pass through D interface interactive information between platform and core net.
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| CN110351897A (en) * | 2018-04-02 | 2019-10-18 | 电信科学技术研究院有限公司 | A kind of method, equipment of the core network and the access network equipment of the determining SOT state of termination |
| CN110691366A (en) * | 2018-07-04 | 2020-01-14 | 普天信息技术有限公司 | Fault weakening method, base station and core network of broadband multimedia cluster system |
| CN110972173A (en) * | 2018-09-30 | 2020-04-07 | 海能达通信股份有限公司 | Cluster communication failure weakening system and method and network node |
| CN114189853A (en) * | 2020-08-24 | 2022-03-15 | 海能达通信股份有限公司 | Communication control method and device of terminal and EPC |
| CN114599021A (en) * | 2020-12-04 | 2022-06-07 | 成都鼎桥通信技术有限公司 | Service processing method and system for terminal roaming in broadband cluster system |
| CN115052308A (en) * | 2021-03-09 | 2022-09-13 | 成都鼎桥通信技术有限公司 | Fault weakening processing method, base station, cluster terminal and communication system |
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Application publication date: 20170531 |