CN104270733A - Quick call proceeding method for trunking communication system - Google Patents
Quick call proceeding method for trunking communication system Download PDFInfo
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- CN104270733A CN104270733A CN201410590190.7A CN201410590190A CN104270733A CN 104270733 A CN104270733 A CN 104270733A CN 201410590190 A CN201410590190 A CN 201410590190A CN 104270733 A CN104270733 A CN 104270733A
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- called subscriber
- mobile switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- 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
- H04W8/08—Mobility data transfer
- H04W8/12—Mobility data transfer between location registers or mobility servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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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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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a quick call proceeding method for a trunking communication system. Aiming at an existing quick call proceeding method for the trunking communication system, improvement design is carried out; storage data in a database corresponding to a visitor location register is redefined; the data access process is redesigned; position application information of a called user is preferentially sent to a local originated visitor location register, so that not only can a call proceeding speed between a calling user and the called user be greatly improved, but also aiming at data feedback of the local originated visitor location register, integrated transmission of the data is implemented and quadratic search of the data in the local originated visitor location register is effectively avoided, and the call proceeding speed is further improved.
Description
Technical field
The present invention relates to the communications field, be specifically related to
oneplant trunked communication system short calling connecting method.
Background technology
Mobile communication system can be divided into public access mobile radio and dedicated mobile communications subsystem by its character of use.Trunked communication system is a kind of specific high level command dispatching system, belongs to dedicated mobile communications subsystem category.
Trunked communication system is relative to common public network mobile communication system, and it is fast that its distinguishing feature is the speed of continuing.In group system, after wishing that calling subscriber presses assignment key, through very of short duration time delay (being preferably less than 300ms) just can with called speech, namely accomplish that namely button is said (PTT, Push To Talk).Therefore there is larger difference with common public network mobile system in the method for calling design of its internal system.
Conventional mobile communications system calling flow process as shown in Figure 1, in conventional mobile communications system, local O-MSC(mobile switching centre) receive local O-BS(and begin to exhale base station) after the call setup message that sends over, to local O-VLR(VLR Visitor Location Register) send qualification solicitation message, check the subscription data of calling subscriber.After calling subscriber is legal, no matter whether called subscriber is in this locality for local O-MSC, all can directly to HLR(attaching position register) send position solicitation message, the roaming destination of retrieval called subscriber.Finally, for local user, local O-MSC sends the qualification solicitation message of called subscriber again to local O-VLR, then send beep-page message according to qualification application response message to called base station.
In the typical network architecture, MSC and VLR generally closes and establishes, or can at local IP access, the signalling therefore between MSC and VLR and processing delay smaller.HLR equipment then strange land is independently arranged, and MSC needs by SS7 signaling access HLR equipment, signalling and processing delay larger.
For trunked communication system, due to the particularity of its application and industry, major part user concentrates on this locality, interoffice is interconnected and roaming call is considerably less, therefore for most call case, there is no need to obtain called positional information by the larger position application of delay and response message completely.
Summary of the invention
For above-mentioned technical problem, technical problem to be solved by this invention is to provide a kind of storage data redefining this locality and begin to exhale in VLR Visitor Location Register correspondence database, and combine redesign data access flow process, call proceeding speed be can not only greatly improve, and trunked communication system short calling connecting method and the application process of Data Integration transmission achieved.
The present invention is in order to solve the problems of the technologies described above by the following technical solutions: the present invention devises a kind of trunked communication system short calling connecting method, the database that VLR Visitor Location Register is corresponding comprises the user data of roamer and the user data of the non-roamer of local exchange, wherein, user data comprises the address information of user contracting data and base station, user current place, described short calling connecting method, comprises the steps:
Step 001. calling subscriber exhales base station to send setup requests to local Shi Hu mobile switching centre by the beginning;
After step 002. local Shi Hu mobile switching centre receipt of call sets up request, local Shi Hu mobile switching centre begins to exhale VLR Visitor Location Register to carry out user's qualification application with this locality and responds alternately, check that whether the user contracting data of calling subscriber is legal, enter next step, otherwise end of calling;
The local Shi Hu mobile switching centre of step 003. begins to this locality to exhale VLR Visitor Location Register to send called subscriber position application information;
After step 004. this locality begins to exhale VLR Visitor Location Register to receive called subscriber position application information, local beginning exhales VLR Visitor Location Register in the database of its correspondence, retrieve the user data of called subscriber, if retrieve the user data of called subscriber, then local beginning exhales VLR Visitor Location Register to return the user data of called subscriber to local Shi Hu mobile switching centre, and enters next step; If retrieve the user data less than called subscriber, then enter step 006;
After the local Shi Hu mobile switching centre of step 005. receives the user data of the called subscriber returned, local Shi Hu mobile switching centre is according to the user contracting data in user data, check that whether the user contracting data of called subscriber is legal, be then local Shi Hu mobile switching centre according to the user data of called subscriber, obtain the address information of Zhong Hu base station, called subscriber current place, local Shi Hu mobile switching centre exhales base station to initiate paging request to the end at the current place of called subscriber, realize the communication between calling subscriber and called subscriber, short calling connecting method terminates, if check, the user contracting data of called subscriber is illegal, then end of calling,
Step 006. this locality begins to exhale VLR Visitor Location Register to send called subscriber position application information to attaching position register;
After step 007. attaching position register receives called subscriber position application information, attaching position register retrieves the address information of the current place Zhong Hu mobile switching centre of called subscriber in its correspondence database, if retrieve the address information of the current place Zhong Hu mobile switching centre of called subscriber, then attaching position register begins through this locality to exhale VLR Visitor Location Register, return the address information of the current place Zhong Hu mobile switching centre of called subscriber to local Shi Hu mobile switching centre, and enters next step; If retrieve the address information less than the current place Zhong Hu mobile switching centre of called subscriber, then end of calling;
Step 008. local Shi Hu mobile switching centre is according to the address information of the current place Zhong Hu mobile switching centre of called subscriber, Zhong Hu mobile switching centre to the current place of called subscriber initiates station to station call and sets up information, Zhong Hu mobile switching centre receives after this station to station call sets up information, VLR Visitor Location Register is exhaled to carry out user's qualification application response to end mutual, checking that whether the user contracting data of called subscriber is legal, is enter next step; Otherwise end of calling;
Step 009. Zhong Hu mobile switching centre is according to the qualification application response message of exhaling VLR Visitor Location Register to return eventually, obtain the address information of Zhong Hu base station, called subscriber current place, Zhong Hu mobile switching centre exhales base station to initiate paging request to the end at the current place of called subscriber, realize the communication between calling subscriber and called subscriber, short calling connecting method terminates.
As a preferred technical solution of the present invention: in described step 002, after described local Shi Hu mobile switching centre receipt of call sets up request, local Shi Hu mobile switching centre begins to exhale base station to return confirmation of receipt instruction to correspondence, inform that the beginning exhales base station, local Shi Hu mobile switching centre has received its setup requests; Then local Shi Hu mobile switching centre begins to exhale VLR Visitor Location Register to carry out user's qualification application respond alternately with local, and whether the user contracting data of inspection calling subscriber is legal, be enter next step, otherwise short calling connecting method terminates.
A kind of trunked communication system short calling connecting method of the present invention adopts above technical scheme compared with prior art, there is following technique effect: the trunked communication system short calling connecting method of the present invention's design, Curve guide impeller is carried out for existing cluster communication system calling connecting method, the storage data in VLR Visitor Location Register correspondence database are redefined, and design data browsing process again, preferentially begin to this locality to exhale VLR Visitor Location Register to send called subscriber position application information, greatly can not only improve the call proceeding speed between calling subscriber and called subscriber, and the data feedback of VLR Visitor Location Register is exhaled for this locality beginning, achieve Data Integration transmission, effectively prevent the local quadratic search beginning to exhale data in VLR Visitor Location Register, further increase the speed of call proceeding.
Accompanying drawing explanation
Fig. 1 is prior art cluster communication system calling connecting method call business flow chart;
Fig. 2 is the office call business process map that the present invention designs trunked communication system short calling connecting method;
Fig. 3 is the station to station call business process map that the present invention designs trunked communication system short calling connecting method.
Embodiment
Below in conjunction with Figure of description, the specific embodiment of the present invention is described in further detail.
As shown in Figures 2 and 3, the trunked communication system short calling connecting method of the present invention's design is in the middle of actual application, the database that VLR Visitor Location Register VLR is corresponding comprises the user data of roamer and the user data of the non-roamer of local exchange, i.e. all users in this locality, process is registered by it, its user contracting data all preserves backup in the database that VLR Visitor Location Register VLR is corresponding, wherein, user data comprises the address information of user contracting data and user current place base station BS.
Local O-MSC is using the agency of local O-VLR as position solicitation message, what position solicitation message first sent to local O-VLR(instead of traditional approach by local O-MSC issues HLR), first retrieve local data base by VLR, if retrieved, illustrate that this called subscriber is just in this locality, namely calling subscriber and called subscriber are in same mobile switching centre, local Shi Hu mobile switching centre O-MSC there is no need to send position application consuming time to HLR, and local O-VLR returns the address information of user contracting data and base station, user current place directly to local O-MSC; If retrieve less than, illustrates that called subscriber is in other places, then sends position solicitation message by local O-VLR to HLR, ask the roaming position at user place further.
Described short calling connecting method, comprises the steps:
Step 001. calling subscriber exhales base station O-BS to send setup requests to local Shi Hu mobile switching centre O-MSC by the beginning;
After step 002. local Shi Hu mobile switching centre O-MSC receipt of call sets up request, local Shi Hu mobile switching centre O-MSC begins to exhale base station O-BS to return confirmation of receipt instruction to correspondence, inform that the beginning exhales base station O-BS, local Shi Hu mobile switching centre O-MSC has received its setup requests; Then local Shi Hu mobile switching centre O-MSC begins to exhale VLR Visitor Location Register O-VLR to carry out user's qualification application respond alternately with local, and whether the user contracting data of inspection calling subscriber is legal, is enter next step, otherwise end of calling;
Step 003. local Shi Hu mobile switching centre O-MSC begins to this locality to exhale VLR Visitor Location Register O-VLR to send called subscriber position application information;
After step 004. this locality begins to exhale VLR Visitor Location Register O-VLR to receive called subscriber position application information, local beginning exhales VLR Visitor Location Register O-VLR in the database of its correspondence, retrieve the user data of called subscriber, if retrieve the user data of called subscriber, then local beginning exhales VLR Visitor Location Register O-VLR to return the user data of called subscriber to local Shi Hu mobile switching centre O-MSC, and enter next step, local beginning exhales VLR Visitor Location Register O-VLR in correspondence database, retrieve the user data of called subscriber, illustrate that called subscriber and calling subscriber are positioned at same mobile switching centre, namely called subscriber and calling subscriber are all positioned at local Shi Hu mobile switching centre O-MSC here, if retrieve the user data less than called subscriber, then enter step 006,
After step 005. local Shi Hu mobile switching centre O-MSC receives the user data of the called subscriber returned, local Shi Hu mobile switching centre O-MSC is according to the user contracting data in user data, check that whether the user contracting data of called subscriber is legal, be then local Shi Hu mobile switching centre O-MSC according to the user data of called subscriber, obtain the address information of called subscriber current place Zhong Hu base station T-BS, due to now, called subscriber and calling subscriber are all positioned at local Shi Hu mobile switching centre O-MSC, therefore, local Shi Hu mobile switching centre O-MSC exhales base station T-BS to initiate paging request directly to the end at the current place of called subscriber, realize the communication between calling subscriber and called subscriber, short calling connecting method terminates, if check, the user contracting data of called subscriber is illegal, then end of calling,
Step 006. this locality begins to exhale VLR Visitor Location Register O-VLR to send called subscriber position application information to attaching position register HLR;
After step 007. attaching position register HLR receives called subscriber position application information, attaching position register HLR retrieves the address information of called subscriber current place Zhong Hu mobile switching centre T-MSC in its correspondence database, if retrieve the address information of called subscriber current place Zhong Hu mobile switching centre T-MSC, then attaching position register HLR begins through this locality to exhale VLR Visitor Location Register O-VLR, the address information of called subscriber current place Zhong Hu mobile switching centre T-MSC is returned to local Shi Hu mobile switching centre O-MSC, and enter next step, wherein, attaching position register HLR is by specific flow process and algorithm, confirm the roaming place of called subscriber, then attaching position register HLR begins through this locality to exhale VLR Visitor Location Register O-VLR, the address information of called subscriber current place Zhong Hu mobile switching centre T-MSC is returned to local Shi Hu mobile switching centre O-MSC, carry the routing iinformation of called subscriber, if retrieve the address information less than called subscriber current place Zhong Hu mobile switching centre T-MSC, then end of calling,
Step 008. local Shi Hu mobile switching centre O-MSC is according to the address information of called subscriber current place Zhong Hu mobile switching centre T-MSC, Zhong Hu mobile switching centre T-MSC to the current place of called subscriber initiates station to station call and sets up information, Zhong Hu mobile switching centre T-MSC receives after this station to station call sets up information, VLR Visitor Location Register T-VLR is exhaled to carry out user's qualification application response to end mutual, checking that whether the user contracting data of called subscriber is legal, is enter next step; Otherwise end of calling;
Step 009. Zhong Hu mobile switching centre T-MSC is according to the qualification application response message of exhaling VLR Visitor Location Register T-VLR to return eventually, obtain the address information of called subscriber current place Zhong Hu base station T-BS, Zhong Hu mobile switching centre T-MSC exhales base station T-BS to initiate paging request to the end at the current place of called subscriber, realize the communication between calling subscriber and called subscriber, short calling connecting method terminates.
The trunked communication system short calling connecting method of the present invention's design, Curve guide impeller is carried out for existing cluster communication system calling connecting method, the storage data in VLR Visitor Location Register VLR correspondence database are redefined, and design data browsing process again, preferentially begin to this locality to exhale VLR Visitor Location Register O-VLR to send called subscriber position application information, greatly can not only improve the call proceeding speed between calling subscriber and called subscriber, and the data feedback of VLR Visitor Location Register O-VLR is exhaled for this locality beginning, achieve Data Integration transmission, effectively prevent the local quadratic search beginning to exhale data in VLR Visitor Location Register O-VLR, further increase the speed of call proceeding.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (2)
1. a trunked communication system short calling connecting method, it is characterized in that: the database that VLR Visitor Location Register is corresponding comprises the user data of roamer and the user data of the non-roamer of local exchange, wherein, user data comprises the address information of user contracting data and base station, user current place, described short calling connecting method, comprises the steps:
Step 001. calling subscriber exhales base station to send setup requests to local Shi Hu mobile switching centre by the beginning;
After step 002. local Shi Hu mobile switching centre receipt of call sets up request, local Shi Hu mobile switching centre begins to exhale VLR Visitor Location Register to carry out user's qualification application with this locality and responds alternately, check that whether the user contracting data of calling subscriber is legal, enter next step, otherwise end of calling;
The local Shi Hu mobile switching centre of step 003. begins to this locality to exhale VLR Visitor Location Register to send called subscriber position application information;
After step 004. this locality begins to exhale VLR Visitor Location Register to receive called subscriber position application information, local beginning exhales VLR Visitor Location Register in the database of its correspondence, retrieve the user data of called subscriber, if retrieve the user data of called subscriber, then local beginning exhales VLR Visitor Location Register to return the user data of called subscriber to local Shi Hu mobile switching centre, and enters next step; If retrieve the user data less than called subscriber, then enter step 006;
After the local Shi Hu mobile switching centre of step 005. receives the user data of the called subscriber returned, local Shi Hu mobile switching centre is according to the user contracting data in user data, check that whether the user contracting data of called subscriber is legal, be then local Shi Hu mobile switching centre according to the user data of called subscriber, obtain the address information of Zhong Hu base station, called subscriber current place, local Shi Hu mobile switching centre exhales base station to initiate paging request to the end at the current place of called subscriber, realize the communication between calling subscriber and called subscriber, short calling connecting method terminates, if check, the user contracting data of called subscriber is illegal, then end of calling,
Step 006. this locality begins to exhale VLR Visitor Location Register to send called subscriber position application information to attaching position register;
After step 007. attaching position register receives called subscriber position application information, attaching position register retrieves the address information of the current place Zhong Hu mobile switching centre of called subscriber in its correspondence database, if retrieve the address information of the current place Zhong Hu mobile switching centre of called subscriber, then attaching position register begins through this locality to exhale VLR Visitor Location Register, return the address information of the current place Zhong Hu mobile switching centre of called subscriber to local Shi Hu mobile switching centre, and enters next step; If retrieve the address information less than the current place Zhong Hu mobile switching centre of called subscriber, then end of calling;
Step 008. local Shi Hu mobile switching centre is according to the address information of the current place Zhong Hu mobile switching centre of called subscriber, Zhong Hu mobile switching centre to the current place of called subscriber initiates station to station call and sets up information, Zhong Hu mobile switching centre receives after this station to station call sets up information, VLR Visitor Location Register is exhaled to carry out user's qualification application response to end mutual, checking that whether the user contracting data of called subscriber is legal, is enter next step; Otherwise end of calling;
Step 009. Zhong Hu mobile switching centre is according to the qualification application response message of exhaling VLR Visitor Location Register to return eventually, obtain the address information of Zhong Hu base station, called subscriber current place, Zhong Hu mobile switching centre exhales base station to initiate paging request to the end at the current place of called subscriber, realize the communication between calling subscriber and called subscriber, short calling connecting method terminates.
2. a kind of trunked communication system short calling connecting method according to claim 1, it is characterized in that: in described step 002, after described local Shi Hu mobile switching centre receipt of call sets up request, local Shi Hu mobile switching centre begins to exhale base station to return confirmation of receipt instruction to correspondence, inform that the beginning exhales base station, local Shi Hu mobile switching centre has received its setup requests; Then local Shi Hu mobile switching centre begins to exhale VLR Visitor Location Register to carry out user's qualification application respond alternately with local, and whether the user contracting data of inspection calling subscriber is legal, be enter next step, otherwise short calling connecting method terminates.
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Effective date of registration: 20180911 Address after: 210046 room 1311, building C, Xingzhi science and Technology Park, Xingzhi Road, Nanjing economic and Technological Development Zone, Jiangsu Applicant after: Nanjing Vico Communication Co. Ltd. Address before: 210038 Xinghe Road, Xingang Development Zone, Nanjing, Jiangsu 18 Applicant before: Liu Xinggang |
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