CN103546885A - Digital trunked communication system based location updating method and system - Google Patents
Digital trunked communication system based location updating method and system Download PDFInfo
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Abstract
The invention discloses a digital trunked communication system based location updating method and system. The method includes that a PDS (PTT dispatching server) receives a trunked starting-up location registration request message, location updating request message or trunked shutdown location registration request message reported by a trucking terminal through an evolved base station (eNodeB), the received request message is sent to a PHR (PTT home register), and the PHR records terminal location information carried in the request message; the PDS receives a trunked starting-up location registration response message, location updating response information or trunked shutdown location registration response message returned by the PHR, and the response message is sent to the trunking terminal through the eNodeB. By the method and system, terminal location updating in an LTE (long term evolution) based digital trunked communication system is realized.
Description
Technical field
The present invention relates to trunking communicating technology field, relate in particular to a kind of location updating method and system based on digital clustering communication system.
Background technology
The private wireless communication system that trunked communication system is developed in order to meet industry user's command scheduling demand, applied towards specific industry; In trunked communication system, a large amount of wireless users share a small amount of wireless channel, take command scheduling as main body application; Trunked communication system is a kind of multipurpose, dynamical wireless communication system.
Trunked communication system has experienced and the similar development course of cell mobile communication systems:
First generation group system is simulation trunked communication system, main support voice communication;
Second generation group system is narrow-band digital trunked communication system, is also the most widely used trunked communication system of Present Domestic, and narrow-band digital trunked communication system support voice is communicated by letter with low speed data (the highest 28.8kbps).
From the development of current cluster communication system, the development of trunked communication system lags far behind the development of public's cellular system, and the aspects such as its technological innovation and industrial chain are all also complete not to the utmost.Aspect the tenability of data transmission capabilities and multimedia service, current narrow-band digital trunked communication system is still relatively backward; Current narrow-band digital trunked communication system does not all reach the message transmission rate of the Mbps order of magnitude, aspect the availability of frequency spectrum and covering, can not well satisfy the demands.
Along with the develop rapidly of mobile Internet and the Large scale construction in global radio city, the broadband development trend that becomes whole radio communication.Tradesman carries out in the process of command scheduling in application cluster communication system, not only requires " hearing ", also requires " visible ".Correspondingly, trunked communication system is technically also by future development broadband to the variation of system IPization, business, data, terminal multimode.From concrete application point, be mainly reflected in high-speed data, video and be implemented in the multiple application on this basis, comprise the aspects such as mobile office, multimedia cluster scheduling, video monitoring, City Emergency Linkage Control System.
New trunked communication system requires towards following target development: larger channel capacity, the higher availability of frequency spectrum, better transmission performance, adopt low-cost, scalable, configurable IP full wireless multi-media network framework, compatible existing group system, and can realize smooth evolution.
Yet the typical implementation method of the digital cluster system based on Long Term Evolution (LTE, Long Term Evolution) is that all network elements of current LTE are redesigned at present, to be adapted to group system, its framework as shown in Figure 1.In the network architecture shown in Fig. 1:
The base station of evolution (eNodeB) transformed, increased wireless colony scheduling feature module (RTDF), be responsible for the relevant treatment of group service, from the Mobility Management Entity (eMME) of evolution, receive cluster control command, for terminal distribution Radio Resource, and the business data flow that the business initiating terminal receiving from gateway (SGW) is initiated is sent to business receiving terminal;
EMME is transformed, increased cluster and controlled functional module (TCF), be responsible for setting up, safeguard and discharge group service, carry out management and the scheduling of right of speech;
The packet data gateway of evolution (e-PGW) is transformed, has been increased cluster block functions module (TPF), be responsible for group service data flow mapping, copy and distribute;
The home subscriber server of evolution (eHSS) is transformed, increased cluster user service (TSS), be responsible for the store and management group user profile relevant to group service.
In addition, for supporting dispatching desk function, need newly-increased scheduling gateway (D-GW), be connected with ePGW with eMME, eHSS.
Yet the digital cluster system based on LTE in prior art is large to the change of LTE EPC core net, cannot compatible existing group system; In addition, in the existing digital cluster system based on LTE, the position of colony terminal is upgraded, and the message that the position of the existing LTE standard agreement of needs is upgraded is changed larger, larger to the impact of existing LTE EPC core net.Also can bring following problem:
If the position of LTE side is upgraded, process correctly, the position of group system side is upgraded and is processed mistake, can affect normal LTE function, causes intercoupling between LTE and clustering functionality to go wrong, and also can cause internetwork the interconnecting of LTE to have problems.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of location updating method and system based on digital clustering communication system, to solve the position of colony terminal in the existing digital cluster system based on LTE, upgrade, the message that the position of existing LTE standard agreement is upgraded is changed larger, easily affects the problems such as normal LTE function.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of location updating method based on digital clustering communication system, the method comprises:
Dispatch server PDS receives cluster start position register request message, location update request message or the cluster shutdown position register request message that the base station eNodeB of colony terminal by evolution reports, and the request message of reception is sent to home location register PHR, by described PHR, record the terminal positional information carrying in described request message;
Described PDS receives cluster start location register response message, position update response information or the cluster shutdown location register response message that PHR returns, and described response message is sent to described colony terminal by described eNodeB.
Described terminal positional information is the current tracking area TA of terminal,
In described cluster start position register request message, also carry the international mobile subscriber identity IMSI of colony terminal; In described location update request message and cluster shutdown position register request message, while being also carried at described colony terminal start described in PHR be the global unique temporary identity GUTI that described colony terminal distributes.
In described cluster start position register request message and location update request message, go back one on carried terminal by saying PTT information.
The method also comprises:
In described PHR check request message, whether the PTT information of the PTT information of carrying and the corresponding described colony terminal of preserving in PHR is consistent, and check results is included in corresponding cluster start location register response message or position update response information and sends to described PDS.
The method also comprises:
When described check results is the PTT information of preserving in the PTT information of carrying in request message and PHR when inconsistent, described PDS by the PTT information updating of preserving in described PHR to described colony terminal.
The method also comprises:
At described PDS, receive after cluster start position register request message or location update request message, if the group of described colony terminal ownership at PDS in state of activation, and described colony terminal is in state of activation, described PDS is linked into described colony terminal in the group in state of activation of ownership.
The method also comprises:
Described PDS is after receiving the cluster shutdown location register response message of PHR, and the state of activation by described colony terminal from activation group becomes off-mode, is no longer described colony terminal transmitting signaling and voice.
The present invention also provides a kind of position updating system based on digital clustering communication system, and this system comprises: the base station eNodeB of colony terminal, evolution, dispatch server PDS and home location register PHR, wherein,
Described colony terminal, for initiating cluster start position register request message, location update request message or cluster shutdown position register request message to described eNodeB;
Described eNodeB, for forwarding described request message that described colony terminal initiates to PDS;
Described PDS, for sending to described PHR by the request message of reception;
Described PHR, the terminal positional information carrying for recording described request message, and the cluster returning start location register response message, position update response information or cluster shutdown location register response message are given described PDS;
Described PDS also sends to described eNodeB for the described response message receiving, and described eNodeB is also for returning to described colony terminal by the described response message receiving.
Described terminal positional information is the current tracking area TA of terminal,
In described cluster start position register request message, also carry the international mobile subscriber identity IMSI of colony terminal; In described location update request message and cluster shutdown position register request message, while being also carried at described colony terminal start described in PHR be the global unique temporary identity GUTI that described colony terminal distributes.
In described cluster start position register request message and location update request message, go back one on carried terminal by saying PTT information.
Described PHR also for, whether the PTT information of carrying in check request message is consistent with the PTT information of the corresponding described colony terminal of preserving in PHR, and check results is included in corresponding cluster start location register response message or position update response information and sends to described PDS.
Described PDS also for, in described check results, be the PTT information of preserving in the PTT information of carrying in request message and PHR when inconsistent, described PDS by the PTT information updating of preserving in described PHR to described colony terminal.
Described PDS also for, after receiving cluster start position register request message or location update request message, if the group of described colony terminal ownership at PDS in state of activation, and described colony terminal is in state of activation, described PDS is linked into described colony terminal in the group in state of activation of ownership.
Described PDS also for, after receiving the cluster shutdown location register response message of PHR, the state of activation by described colony terminal from activation group becomes off-mode, is no longer described colony terminal transmitting signaling and voice.
A kind of location updating method and system based on digital clustering communication system provided by the present invention, by the eNodeB in LTE, expand, trunking dispatching subsystem is improved, realized the updating of terminal position in the digital clustering communication system based on LTE; The present invention, without changing existing LTE standard agreement, can not affect normal LTE function, can not affect intercoupling between LTE and clustering functionality, can not affect that LTE is internetwork to interconnect.
Accompanying drawing explanation
Fig. 1 realizes the network architecture schematic diagram of digital clustering communication system based on LTE in prior art;
Fig. 2 is the network architecture schematic diagram of a kind of digital clustering communication system of the embodiment of the present invention;
Fig. 3 is a kind of colony terminal start location register flow chart of the embodiment of the present invention;
Fig. 4 is a kind of colony terminal position update flow figure of the embodiment of the present invention;
Fig. 5 is a kind of colony terminal shutdown location register flow chart of the embodiment of the present invention;
Fig. 6 is the flow chart of a kind of location updating method based on digital clustering communication system of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
The embodiment of the present invention provides a kind of digital clustering communication system based on LTE, as shown in Figure 2, mainly comprises: terminal, E-UTRAN, trunking dispatching subsystem.Terminal comprises subscriber equipment (UE), fixed station, Vehicle mounted station, wireless dispatching desk etc.; E-UTRAN comprises eNodeB; Trunking dispatching subsystem comprises dispatch server (PDS, PTT Dispatching Server), home location register (PHR, PTT Home Register), dispatching desk server (DAS, Dispatching Agent Server) and dispatching desk client (DAC, Dispatching Agent Client).Wherein, PDS is divided into chain of command PDS (C-PDS) and medium surface PDS (M-PDS).
Between terminal and eNodeB, by LTE-Uu interface, be connected; Between eNodeB and C-PDS, by T1-C interface, be connected; Between eNodeB and M-PDS, by T1-U interface, be connected; Between C-PDS and M-PDS, by T11 interface, be connected.
Wherein, described T1-C interface is the expansion of S1 interface, based on SCTP (SCTP, Stream Control Transmission Protocol), realizes; Described T1-U interface is the expansion of S1 interface, and the general packet radio service tunnel agreement based on user's face (GTP-U, GPRS Tunneling Protocol for the user plane) realizes; Described T11 interface is the expansion of S11 interface, and the general packet radio service based on chain of command (GPRS) tunnel protocol (GTP-C, GPRS Tunneling Protocol for control plane) is realized.
In addition, between C-PDS and DAS, based on User Datagram Protoco (UDP) (UDP, User Datagram Protocol), communicate by letter; Between C-PDS and PHR, based on remote authentication dial-in user, serve (RADIUS, Remote Authentication Dial In User Service) protocol communication; Between DAS and DAC, based on UDP/ HTTP (HTTP, Hypertext Transport Protocol), communicate by letter; Between DAC and M-PDS, by RTP (RTP, Real-time Transport Protocol), communicate by letter.Between eNodeB and terminal, by LTE-Uu interface, be connected.
The module that has been included as group service expansion in described eNodeB, mainly completes following function:
1) cluster state of terminal is reported to PDS, as obtain group in user's number of current area, to carry out management of downlink resource etc.;
2) terminal that group service is relevant and the point-to-point signaling bear between eNodeB, Radio Resource is controlled (RRC, Radio Resource Control) connection;
3) terminal that group service is relevant and the point-to-point signaling bear between PDS, i.e. context;
4) the trunked call control signal of PDS is handed down to terminal;
5) group service carrying is set up and is controlled.
PDS carries out one by saying (PTT, Push To Talk) call treatment, comprising: differentiate PTT user, set up PTT calling, judge PTT request etc.; The PTT voice packet of PDS receiving uplink, and be distributed to down link.
M-PDS, is mainly responsible for foundation and the maintenance of voice and video link, carries out the distribution of the Media Streams such as voice and video simultaneously, and responsible major function comprises:
1) activation, deexcitation carrying;
2) forwarding of Media Stream, the eNodeB by the forwarding media stream of speech user in calling out to listening user place in calling out.
C-PDS, is mainly responsible for the Register Cancel of cluster user, the Business Processing of the control planes such as the renewal of the position of cluster user, trafficwise maintenance, and responsible major function comprises:
1) registration of cluster user and authentication;
2) management of group service;
4) renewal in terminal location district;
5) set up, discharge or revise terminal context;
6) activation, deexcitation carrying;
7) service paging.
PHR is mainly responsible for the group relevant to group service, group, user's maintenance and authentication, mandate, charging and processes.Digital clustering communication system Shi Wei group provides cluster service, and described group is comprised of a plurality of groups and user, and each user can belong to a plurality of groups.
DAS provides dispatching desk business for group user, for group user is set up the VPN of colony dispatching, for carrying out DAC access.
DAC is as dispatching desk client, the dispatcher of group can directly use DAC to carry out relevant cluster scheduling feature setting in group, comprise user or group attribute setting, user grouping etc., also can use DAC to initiate the operations such as trunked call, scheduling, recording simultaneously.
Digital clustering communication system shown in Fig. 2, expands by the eNodeB in LTE, and PDS is improved, realized the support to LTE Digital Clustering business, and accomplish to isolate completely LTE EPC core net, business is isolated completely, possess framework flexibly, be easy to the advantages such as expansion.
Based on above-mentioned digital clustering communication system, the embodiment of the present invention proposes a kind of method of colony terminal start location register.During colony terminal start, if this terminal is supported LTE business and is supported group service simultaneously, this terminal is sent two start position register request message simultaneously, in the start position register request message of sending, indicate for the message of LTE or for the message of cluster, for the message of LTE, be called LTE start position register request message, for the message of cluster, be called cluster start position register request message.For LTE start position register request message, carry out existing LTE start location register flow process, mainly by LTEEPC, processed; For cluster start position register request message, this message sends to cluster core net to process after being identified by eNodeB.
It should be noted that, if terminal place network is only supported LTE business, terminal can only send LTE start position register request message; If terminal place network is only supported group service, terminal can a signalling of bouquet start position register request message.As shown in Figure 3, wherein UE is colony terminal to concrete colony terminal start location register flow process, and eNodeB is base station, UE place, and this flow process mainly comprises:
Step 301, UE sets up RRC with eNodeB and is connected.
Step 302, during UE start, based on Non-Access Stratum (NAS) agreement signalling of bouquet start position register request message, to eNodeB, eNodeB processes to C-PDS by T1 interface signalling of bouquet start position register request message.
In this cluster start position register request message, carry international mobile subscriber identity (IMSI, International Mobile Subscriber Identification Number), the current tracking area (TA of terminal, Tracking Area), one in terminal is by saying the contents such as (PTT, Push To Talk) information.Wherein, PTT information comprises the group service information such as initiate to talk in cluster individual calling, cluster multi call, trunked call.
The information such as ability label attribute that can also carried terminal in this cluster start position register request message, terminal versions number, terminal network ability.
Step 303, C-PDS receives after cluster start position register request message, the attributes such as PTT information in IMSI, the current TA of terminal, terminal are re-grouped package as remote authentication dial-in user service (RADIUS, Remote Authentication Dial In User Service) cluster of protocol form start position register request message, issues PHR.
At C-PDS, send in the request message of PHR, with registration type (Registration-Type) attribute, carrying out the type of identification request message is cluster start position register request message.
Step 304, PHR judge user whether effectively, whether expired etc.If judgement user is legal, record the positional informations such as TA of terminal, can also record the information such as ability label attribute, terminal versions number, terminal network ability of terminal, whether the PTT information in verification message is consistent with the PTT information of this terminal of preserving in PHR simultaneously, and check results is included in cluster start location register response message and issues C-PDS.
In addition, PHR also distributes corresponding global unique temporary identity (GUTI, Globally Unique Temporary ID) for the described UE of start, and the GUTI distributing is included in cluster start location register response message.
Step 305, C-PDS selects record according to service needed or does not record positional information and the terminal information such as check results whether consistent with the PTT information of PHR side of this terminal, and signalling of bouquet start location register response message is to terminal, informs the success of starting up of terminal location register.
In addition,, if the PTT information of terminal and PHR side is inconsistent, PDS arrives terminal by the correct terminal PTT information updating of PHR storage.If certain group of this terminal attaching is at PDS in state of activation, and this terminal is in state of activation, and PDS is linked into terminal in activation group.
Based on above-mentioned digital clustering communication system, the embodiment of the present invention also proposes the method that a kind of colony terminal position is upgraded.When terminal meets position renewal trigger condition, terminal can be sent location update request message, if terminal place network is only supported LTE, can only send LTE location update request message; If terminal place network is only supported cluster, can a signalling of bouquet location update request message; If terminal had both supported LTE also to support cluster, send two message simultaneously, be LTE location update request message and cluster position update request message.For LTE location update request message, carry out existing LTE position update flow, mainly by LTE EPC, processed; For cluster position update request message, this message sends to cluster core net to process after being identified by eNodeB.
As shown in Figure 4, wherein UE is colony terminal to concrete colony terminal position update flow, and eNodeB is base station, UE place, and this flow process mainly comprises:
Step 401, UE meets position while upgrading trigger condition, as: when UE moves and causes TA to change or UE timing position upgrades or during other service needed, trigger UE launch position update request message.
Step 402, UE sets up RRC with eNodeB and is connected.
Step 403, UE sends location update request message to eNodeB based on NAS agreement, and eNodeB sends location update request message C-PDS by T1 interface and processes.
While being carried at UE start in this location update request message, PHR is the contents such as GUTI, the current TA of terminal that described UE distributes.
Step 404, C-PDS receives after location update request message, and the attributes such as GUTI, the current TA of terminal are re-grouped package to the location update request message into radius protocol form, issues PHR.
At C-PDS, send in the request message of PHR, with registration type (Registration-Type) attribute, carrying out the type of identification request message is location update request message.
Step 405, PHR judge user whether effectively, whether expired etc.If judgement user is legal, records the positional informations such as TA of terminal, and send position update response information to C-PDS.
Step 406, C-PDS selects record according to service needed or does not record the positional information of this terminal, and sends position update response information to terminal, informs updating of terminal position success.
In addition, if certain group of this terminal attaching at PDS in state of activation, and this terminal is in state of activation, PDS is linked into terminal in activation group.
Preferably, consistent for PTT information on increasing terminal and terminal PTT information in PHR also can carry PTT information in location update request message.For the consideration of fail safe, the PTT information in the message of mentioning in the embodiment of the present invention can not be PTT information directly expressly, but PTT information through certain conversion and after encrypting, to realize the protection to PTT information.
Also it should be noted that, colony terminal shutdown location register flow process is similar with start location register flow process, and difference is, in shutdown position register request message, does not need to carry PTT information, can not trigger PTT information updating; PDS, after receiving the shutdown location register response message of PHR, can the state of activation from activation group become off-mode by terminal, no longer transmitting signaling and voice.
During colony terminal shutdown, if this terminal is supported LTE business and is supported group service simultaneously, this terminal is sent two shutdown position register request message simultaneously, in the shutdown position register request message of sending, indicate for the message of LTE or for the message of cluster, for the message of LTE, be called LTE shutdown position register request message, for the message of cluster, be called cluster shutdown position register request message.For LTE shutdown position register request message, carry out existing LTE shutdown location register flow process, mainly by LTE EPC, processed; For cluster shutdown position register request message, this message sends to cluster core net to process after being identified by eNodeB.
If terminal place network is only supported LTE business, terminal can only send LTE shutdown position register request message; If terminal place network is only supported group service, terminal can a signalling of bouquet shutdown position register request message.As shown in Figure 5, wherein UE is colony terminal to concrete colony terminal shutdown location register flow process, and eNodeB is base station, UE place, and this flow process mainly comprises:
Step 501, UE is connected with the built vertical RRC of eNodeB.
Step 502, during UE shutdown, based on NAS agreement signalling of bouquet shutdown position register request message, to eNodeB, eNodeB processes to C-PDS by T1 interface signalling of bouquet shutdown position register request message.
While being carried at UE start in this cluster shutdown position register request message, PHR is the contents such as GUTI, the current TA of terminal that described UE distributes.
Step 503, C-PDS receives after cluster shutdown position register request message, and the attributes such as GUTI, the current TA of terminal are re-grouped package to the cluster shutdown position register request message into radius protocol form, issues PHR.
At C-PDS, send in the request message of PHR, with registration type (Registration-Type) attribute, carrying out the type of identification request message is cluster shutdown position register request message.
Step 504, PHR judge user whether effectively, whether expired etc.If judgement user is legal, record the positional informations such as TA of terminal, return in cluster shutdown location register response message and issue C-PDS.
Step 505, C-PDS selects record according to service needed or does not record the positional information of this terminal, and signalling of bouquet shutdown location register response message is to terminal, informs the success of terminal closedown location register.
C-PDS is after receiving the shutdown location register response message of PHR, and the state of activation by terminal from activation group becomes off-mode, is no longer these terminal transmitting signaling and voice.
Based on above-described embodiment, a kind of location updating method based on digital clustering communication system of the embodiment of the present invention, as shown in Figure 6, mainly comprises the following steps:
At PDS, send in the request message of PHR, with registration type (Registration-Type) attribute, carrying out the type of identification request message is cluster start position register request message, location update request message or cluster shutdown position register request message.
Wherein, terminal positional information can be the current TA of terminal,
In cluster start position register request message, also carry the IMSI of colony terminal; In described location update request message and cluster shutdown position register request message, while being also carried at described colony terminal start described in PHR be the GUTI that described colony terminal distributes.
In cluster start position register request message and location update request message, the PTT information on all right further carried terminal.
Preferably, whether the PTT information of carrying in PHR check request message is consistent with the PTT information of the corresponding described colony terminal of preserving in PHR, and check results is included in corresponding cluster start location register response message or position update response information and sends to described PDS; When described check results is the PTT information of preserving in the PTT information of carrying in request message and PHR when inconsistent, described PDS by the PTT information updating of preserving in described PHR to described colony terminal.
Preferably, at PDS, receive after cluster start position register request message or location update request message, if the group of described colony terminal ownership at PDS in state of activation, and described colony terminal is in state of activation, PDS is linked into described colony terminal in the group in state of activation of ownership.
Preferably, PDS is after receiving the cluster shutdown location register response message of PHR, and the state of activation by described colony terminal from activation group becomes off-mode, is no longer described colony terminal transmitting signaling and voice.
The corresponding above-mentioned location updating method based on digital clustering communication system, the embodiment of the present invention provides a kind of position updating system based on digital clustering communication system, can system shown in Figure 2.This position updating system mainly comprises: colony terminal, eNodeB, PDS and PHR, wherein,
Colony terminal, for initiating cluster start position register request message, location update request message or cluster shutdown position register request message to eNodeB;
ENodeB, for forwarding described request message that described colony terminal initiates to PDS;
PDS, for sending to PHR by the request message of reception; At PDS, send in the request message of PHR, with registration type (Registration-Type) attribute, carrying out the type of identification request message is cluster start position register request message, location update request message or cluster shutdown position register request message;
PHR, the terminal positional information carrying for recording described request message, and the cluster returning start location register response message, position update response information or cluster shutdown location register response message are to PDS;
PDS also sends to eNodeB for the described response message receiving, and eNodeB is also for returning to described colony terminal by the described response message receiving.
In described cluster start position register request message, also carry the IMSI of colony terminal; In described location update request message and cluster shutdown position register request message, while being also carried at described colony terminal start described in PHR be the GUTI that described colony terminal distributes.
In cluster start position register request message and location update request message, also further one on carried terminal by saying PTT information.
Preferably, PHR also for, whether the PTT information of carrying in check request message is consistent with the PTT information of the corresponding described colony terminal of preserving in PHR, and check results is included in corresponding cluster start location register response message or position update response information and sends to PDS.
PDS also for, in described check results, be the PTT information of preserving in the PTT information of carrying in request message and PHR when inconsistent, PDS by the PTT information updating of preserving in PHR to described colony terminal.
Preferably, PDS also for, after receiving cluster start position register request message or location update request message, if the group of described colony terminal ownership at PDS in state of activation, and described colony terminal is in state of activation, PDS is linked into described colony terminal in the group in state of activation of ownership;
PDS also for, after receiving the cluster shutdown location register response message of PHR, the state of activation by described colony terminal from activation group becomes off-mode, is no longer described colony terminal transmitting signaling and voice.
In sum, the embodiment of the present invention is expanded by the eNodeB in LTE, and trunking dispatching subsystem is improved, and has realized the updating of terminal position in the digital clustering communication system based on LTE; The present invention, without changing existing LTE standard agreement, can not affect normal LTE function, can not affect intercoupling between LTE and clustering functionality, can not affect that LTE is internetwork to interconnect.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (14)
1. the location updating method based on digital clustering communication system, is characterized in that, the method comprises:
Dispatch server PDS receives cluster start position register request message, location update request message or the cluster shutdown position register request message that the base station eNodeB of colony terminal by evolution reports, and the request message of reception is sent to home location register PHR, by described PHR, record the terminal positional information carrying in described request message;
Described PDS receives cluster start location register response message, position update response information or the cluster shutdown location register response message that PHR returns, and described response message is sent to described colony terminal by described eNodeB.
2. the location updating method based on digital clustering communication system according to claim 1, is characterized in that, described terminal positional information is the current tracking area TA of terminal,
In described cluster start position register request message, also carry the international mobile subscriber identity IMSI of colony terminal; In described location update request message and cluster shutdown position register request message, while being also carried at described colony terminal start described in PHR be the global unique temporary identity GUTI that described colony terminal distributes.
3. the location updating method based on digital clustering communication system according to claim 2, is characterized in that, in described cluster start position register request message and location update request message, goes back one on carried terminal by saying PTT information.
4. the location updating method based on digital clustering communication system according to claim 3, is characterized in that, the method also comprises:
In described PHR check request message, whether the PTT information of the PTT information of carrying and the corresponding described colony terminal of preserving in PHR is consistent, and check results is included in corresponding cluster start location register response message or position update response information and sends to described PDS.
5. the location updating method based on digital clustering communication system according to claim 4, is characterized in that, the method also comprises:
When described check results is the PTT information of preserving in the PTT information of carrying in request message and PHR when inconsistent, described PDS by the PTT information updating of preserving in described PHR to described colony terminal.
6. according to the location updating method based on digital clustering communication system described in claim 1 to 5 any one, it is characterized in that, the method also comprises:
At described PDS, receive after cluster start position register request message or location update request message, if the group of described colony terminal ownership at PDS in state of activation, and described colony terminal is in state of activation, described PDS is linked into described colony terminal in the group in state of activation of ownership.
7. according to the location updating method based on digital clustering communication system described in claim 1 to 5 any one, it is characterized in that, the method also comprises:
Described PDS is after receiving the cluster shutdown location register response message of PHR, and the state of activation by described colony terminal from activation group becomes off-mode, is no longer described colony terminal transmitting signaling and voice.
8. the position updating system based on digital clustering communication system, is characterized in that, this system comprises: the base station eNodeB of colony terminal, evolution, dispatch server PDS and home location register PHR, wherein,
Described colony terminal, for initiating cluster start position register request message, location update request message or cluster shutdown position register request message to described eNodeB;
Described eNodeB, for forwarding described request message that described colony terminal initiates to PDS;
Described PDS, for sending to described PHR by the request message of reception;
Described PHR, the terminal positional information carrying for recording described request message, and the cluster returning start location register response message, position update response information or cluster shutdown location register response message are given described PDS;
Described PDS also sends to described eNodeB for the described response message receiving, and described eNodeB is also for returning to described colony terminal by the described response message receiving.
9. the position updating system based on digital clustering communication system according to claim 8, is characterized in that, described terminal positional information is the current tracking area TA of terminal,
In described cluster start position register request message, also carry the international mobile subscriber identity IMSI of colony terminal; In described location update request message and cluster shutdown position register request message, while being also carried at described colony terminal start described in PHR be the global unique temporary identity GUTI that described colony terminal distributes.
10. the position updating system based on digital clustering communication system according to claim 9, is characterized in that, in described cluster start position register request message and location update request message, goes back one on carried terminal by saying PTT information.
11. position updating systems based on digital clustering communication system according to claim 10, it is characterized in that, described PHR also for, whether the PTT information of carrying in check request message is consistent with the PTT information of the corresponding described colony terminal of preserving in PHR, and check results is included in corresponding cluster start location register response message or position update response information and sends to described PDS.
12. according to the position updating system based on digital clustering communication system described in claim 11, it is characterized in that, described PDS also for, in described check results, be the PTT information of preserving in the PTT information of carrying in request message and PHR when inconsistent, described PDS by the PTT information updating of preserving in described PHR to described colony terminal.
Position updating system based on digital clustering communication system described in 13. according to Claim 8 to 12 any one, it is characterized in that, described PDS also for, after receiving cluster start position register request message or location update request message, if the group of described colony terminal ownership at PDS in state of activation, and described colony terminal is in state of activation, described PDS is linked into described colony terminal in the group in state of activation of ownership.
Position updating system based on digital clustering communication system described in 14. according to Claim 8 to 12 any one, it is characterized in that, described PDS also for, after receiving the cluster shutdown location register response message of PHR, state of activation by described colony terminal from activation group becomes off-mode, is no longer described colony terminal transmitting signaling and voice.
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