CN103546885B - A kind of location updating method and system based on digital clustering communication system - Google Patents
A kind of location updating method and system based on digital clustering communication system Download PDFInfo
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Abstract
The invention discloses a kind of location updating method based on digital clustering communication system and system, method includes：Dispatch server (PDS) receives cluster start position register request message, location update request message or the cluster shutdown position register request message that colony terminal is reported by the base station (eNodeB) of evolution, and the request message of reception is sent to home location register (PHR), by the terminal positional information carried in PHR record request messages；PDS receives cluster start location register response message, position update response information or the cluster shutdown location register response message that PHR is returned, and the response message is sent into colony terminal by eNodeB.By the present invention, the updating of terminal position in the digital clustering communication system based on Long Term Evolution (LTE) is realized.
Description
Technical field
The present invention relates to trunking communicating technology field, more particularly to a kind of location updating based on digital clustering communication system
Method and system.
Background technology
Trunked communication system be developed to meet industry user's command scheduling demand, towards specific industry application
Private wireless communication system；In trunked communication system, a large amount of wireless users share a small amount of wireless channel, based on command scheduling
Using；Trunked communication system is a kind of multipurpose, dynamical wireless communication system.
Trunked communication system experienced the development course similar with cell mobile communication systems：
First generation group system is simulation trunked communication system, mainly supports voice communication；
Second generation group system is narrow-band digital trunked communication system, is also the widest cluster communication of current domestic application
System, narrow-band digital trunked communication system supports voice and low speed data (highest 28.8kbps) communication.
From the point of view of the development of current cluster communication system, the development of trunked communication system lags far behind public cellular system
Development, the aspect such as its technological innovation and industrial chain is all also complete not to the utmost.In the support of data transmission capabilities and multimedia service
Ability aspect, current narrow-band digital trunked communication system is still relatively backward；Current narrow-band digital trunked communication system is equal
Not up to the message transmission rate of the Mbps orders of magnitude, can not well meet demand in terms of the availability of frequency spectrum and covering.
With mobile Internet develop rapidly and global radio city Large scale construction, it is broadband as whole nothing
The development trend of line communication.Tradesman not only requires nothing more than during application cluster communication system carries out command scheduling
" hearing ", also requires " visible ".Correspondingly, trunked communication system technically also will to system IPization, business variation,
The direction of many modellings of data broadband, terminal is developed.From the point of view of specific application angle, high-speed data, video are mainly reflected in
And it is implemented in the various applications on this basis, including mobile office, multimedia cluster scheduling, video monitoring, city emergency
The aspects such as linkage.
New trunked communication system requirement develops towards following target：Bigger channel capacity, the availability of frequency spectrum higher,
More preferable transmission performance, using inexpensive, scalable, configurable IP full wireless multimedia network architecture, the existing cluster of compatibility
System, and smooth evolution can be realized.
However, the typical case for being currently based on the digital cluster system of Long Term Evolution (LTE, Long Term Evolution) is real
Existing method is that the current all network elements of LTE are redesigned, and to be adapted to group system, its framework is as shown in Figure 1.In figure
In the network architecture shown in 1：
Base station (eNodeB) to evolution is transformed, and increased wireless colony scheduling feature module (RTDF), is responsible for collection
The relevant treatment of group business, clustered control instruction is received from the mobility management entity (eMME) of evolution, is wireless terminal distribution
Resource, and the business datum that the business initiating terminal that will be received from gateway (SGW) is initiated is streamed to business receiving
Terminal；
EMME is transformed, clustered control functional module (TCF) is increased, is responsible for setting up, safeguarded and release cluster industry
Business, carries out the management and scheduling of right of speech；
Packet data gateway (e-PGW) to evolution is transformed, and increased cluster block functions module (TPF), is responsible for
Mapping, duplication and the distribution of group service data flow；
Home subscriber server (eHSS) to evolution is transformed, and increased cluster user service (TSS), is responsible for storage
The group user profile related to group service to managing.
In addition, to support dispatching desk function, it is necessary to newly-increased scheduling gateway (D-GW), is connected with eMME, eHSS and ePGW.
However, change of the digital cluster system to LTE EPC core nets based on LTE be larger in the prior art, Wu Fajian
Hold existing group system；In addition, the location updating of colony terminal is, it is necessary to existing in the existing digital cluster system based on LTE
The message alteration of the location updating of LTE standard agreement is larger, and the impact to existing LTE EPC core nets is larger.Can also bring with
Lower problem：
If the location updating treatment of LTE sides is correct, the location updating treatment mistake of group system side can then influence normal
LTE functions, cause intercoupling between LTE and clustering functionality to go wrong, also result in the product that interconnects between LTE network
Raw problem.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of location updating side based on digital clustering communication system
Method and system, to solve the location updating of colony terminal in the existing digital cluster system based on LTE, assist to existing LTE standard
The message alteration of the location updating of view is larger, the problems such as easily influence normal LTE functions.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The present invention provides a kind of location updating method based on digital clustering communication system, and the method includes：
Dispatch server PDS receives colony terminal please by the cluster start location register that the base station eNodeB of evolution is reported
Message, location update request message or cluster shutdown position register request message are sought, and the request message of reception is sent to is returned
Category register PHR, the terminal positional information carried in the request message is recorded by the PHR；
The PDS receives cluster start location register response message, position update response information or the cluster pass that PHR is returned
Machine location register response message, the colony terminal is sent to by the response message by the eNodeB.
The terminal positional information is the current tracking area TA of terminal,
The international mobile subscriber identity IMSI of colony terminal is also carried in the cluster start position register request message；
In the location update request message and cluster shutdown position register request message, also carry in colony terminal start when institute
State the global unique temporary identity GUTI that PHR is the colony terminal distribution.
In the cluster start position register request message and location update request message, gone back on carried terminal is by i.e.
Say PTT information.
The method also includes：
The PHR verifies the PTT of the PTT information carried in request message and the corresponding described colony terminal preserved in PHR
Whether information is consistent, and check results is included in into corresponding cluster start location register response message or location updating response disappears
The PDS is sent in breath.
The method also includes：
When the PTT information that the check results are preservation in the PTT information and PHR carried in request message is inconsistent,
The PTT information updatings that the PDS will be preserved in the PHR are to the colony terminal.
The method also includes：
After the PDS receives cluster start position register request message or location update request message, if described
The group of colony terminal ownership is active in PDS, and the colony terminal is not at state of activation, then the PDS will
The colony terminal is linked into the group being active of ownership.
The method also includes：
The PDS shuts down after location register response message in the cluster for receiving PHR, by the colony terminal from activation group
State of activation be changed into off-mode, be no longer the colony terminal transmitting signaling and voice.
The present invention also provides a kind of position updating system based on digital clustering communication system, and the system includes：Cluster end
End, the base station eNodeB of evolution, dispatch server PDS and home location register PHR, wherein,
The colony terminal, for initiating cluster start position register request message, location update request message or cluster
Shutdown position register request message gives the eNodeB；
The eNodeB, for forwarding the request message of the colony terminal initiation to PDS；
The PDS, for the request message of reception to be sent into the PHR；
The PHR, for recording the terminal positional information carried in the request message, and the cluster start position for returning
Registration response message, position update response information or cluster shutdown location register response message give the PDS；
The response message that the PDS is additionally operable to receive is sent to the eNodeB, and the eNodeB is additionally operable to connect
The response message received returns to the colony terminal.
The terminal positional information is the current tracking area TA of terminal,
The international mobile subscriber identity IMSI of colony terminal is also carried in the cluster start position register request message；
In the location update request message and cluster shutdown position register request message, also carry in colony terminal start when institute
State the global unique temporary identity GUTI that PHR is the colony terminal distribution.
In the cluster start position register request message and location update request message, gone back on carried terminal is by i.e.
Say PTT information.
The PHR is additionally operable to, the PTT information of carrying and the corresponding described cluster end preserved in PHR in verification request message
Whether the PTT information at end is consistent, and check results are included in into corresponding cluster start location register response message or position more
The PDS is sent in new response message.
The PDS is additionally operable to, the PTT preserved in the PTT information carried during the check results are request message with PHR
When information is inconsistent, the PTT information updatings that the PDS will be preserved in the PHR to the colony terminal.
The PDS is additionally operable to, after cluster start position register request message or location update request message is received, such as
The group of really described colony terminal ownership is active in PDS, and the colony terminal is not at state of activation, then described
Be linked into the colony terminal in the group being active of ownership by PDS.
The PDS is additionally operable to, receive PHR cluster shut down location register response message after, by the colony terminal from
State of activation in activation group is changed into off-mode, is no longer the 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 LTE
In eNodeB be extended, trunking dispatching subsystem is improved, in realizing the digital clustering communication system based on LTE
Updating of terminal position；The present invention need not change existing LTE standard agreement, not interfere with normal LTE functions, not interfere with
Intercoupling between LTE and clustering functionality, does not interfere with interconnecting between LTE network.
Brief description of the drawings
Fig. 1 is the network architecture schematic diagram for realizing digital clustering communication system based on LTE in the prior art；
Fig. 2 is a kind of network architecture schematic diagram 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 a kind of flow chart of location updating method based on digital clustering communication system of the embodiment of the present invention.
Specific embodiment
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
A kind of digital clustering communication system based on LTE is the embodiment of the invention provides, as shown in Fig. 2 mainly including：Eventually
End, E-UTRAN, trunking dispatching subsystem.Terminal is including user equipment (UE), fixed station, Vehicle mounted station, wireless dispatching desk etc.；E-
UTRAN includes eNodeB；Trunking dispatching subsystem includes dispatch server (PDS, PTT Dispatching Server), ownership
Register (PHR, PTT Home Register), dispatching desk server (DAS, Dispatching Agent Server) and tune
Degree platform client (DAC, Dispatching Agent Client).Wherein, PDS points is chain of command PDS (C-PDS) and medium surface
PDS(M-PDS)。
It is connected by LTE-Uu interfaces between terminal and eNodeB；It is connected by T1-C interfaces between eNodeB and C-PDS；
It is connected by T1-U interfaces between eNodeB and M-PDS；It is connected by T11 interfaces between C-PDS and M-PDS.
Wherein, the T1-C interfaces are the extension of S1 interfaces, based on SCTP (SCTP, Stream
Control Transmission Protocol) realize；The T1-U interfaces are the extension of S1 interfaces, logical based on user plane
Realized with packet radio service tunnel agreement (GTP-U, GPRS Tunneling Protocol for the user plane)；
The T11 interfaces for S11 interfaces extension, based on chain of command general packet radio service (GPRS) tunnel protocol (GTP-C,
GPRS Tunneling Protocol for control plane) realize.
In addition, logical based on UDP (UDP, User Datagram Protocol) between C-PDS and DAS
Letter；(RADIUS, Remote Authentication Dial are serviced based on remote authentication dial-in user between C-PDS and PHR
In User Service) protocol communication；UDP/ HTTPs (HTTP, Hypertext are based between DAS and DAC
Transport Protocol) communication；Pass through RTP (RTP, Real-time between DAC and M-PDS
Transport Protocol) communication.It is connected by LTE-Uu interfaces between eNodeB and terminal.
The eNodeB includes, to complete the module of group service extension, mainly completing following function：
1) cluster state of terminal is reported into PDS, such as obtains user number of the group in current area, it is descending to carry out
Management of resource etc.；
2) the point-to-point signaling bear between the related terminal of group service and eNodeB, i.e. wireless heterogeneous networks (RRC,
Radio Resource Control) connection；
3) the point-to-point signaling bear between the related terminal of group service and PDS, i.e. context；
4) the trunked call control signaling of PDS is handed down to terminal；
5) group service carries and sets up and control.
PDS performs a push-to-talk (PTT, Push To Talk) call treatment, including：Differentiate PTT user, set up PTT and exhale
Cry, judge PTT requests etc.；PDS receives the PTT voice packets of up-link, and is distributed to downlink.
M-PDS, the foundation and maintenance of main responsible voice and video link, while carrying out dividing for the Media Streams such as voice and video
Hair, responsible major function includes：
1) activate, deactivate carrying；
2) forwarding of Media Stream, will call the forwarding media stream of interior speech user to where listening user in calling
eNodeB。
The controls such as C-PDS, Register Cancel, the location updating of cluster user, the trafficwise maintenance of main responsible cluster user
The Business Processing in preparative layer face, responsible major function includes：
1) registration of cluster user and authentication；
2) management of group service；
4) renewal in terminal location area；
5) set up, discharge or modification terminal contexts；
6) activate, deactivate carrying；
7) service paging.
PHR is mainly responsible for the group related to group service, group, the maintenance of user and authentication, mandate, charging treatment.
Digital clustering communication system is that the group is made up of multiple groups and user, and each user can for group provides cluster service
To belong to multiple groups.
DAS provides dispatching desk business for group user, is the VPN that group user sets up colony dispatching, for performing
DAC is accessed.
DAC directly can carry out related colony dispatching in group as dispatching desk client, the dispatcher of group using DAC
Function setting, including user or group attribute setting, user grouping etc., while can also using DAC carry out initiation trunked call,
The operations such as scheduling, recording.
Digital clustering communication system shown in Fig. 2, is extended by the eNodeB in LTE, and PDS is improved,
The support to LTE Digital Clustering business is realized, and accomplishes completely isolated LTE EPC core nets, make business completely isolated, possessed
Framework is flexible, be easy to the advantages of extending.
Based on above-mentioned digital clustering communication system, the embodiment of the present invention proposes a kind of side of colony terminal start location register
Method.When colony terminal is started shooting, if the terminal supports LTE business and supports group service simultaneously, the terminal is simultaneously emitted by two
Bar start position register request message, indicates the message for being directed to LTE still in the start position register request message for sending
For the message of cluster, the message for LTE is referred to as LTE start position register request message, and the message for cluster is referred to as collection
Group's start position register request message.For LTE start position register request message, existing LTE starts location register stream is performed
Journey, mainly by LTEEPC treatment；For cluster start position register request message, after the message is identified by eNodeB
Cluster core net is sent to be processed.
If it should be noted that network where terminal only supports that LTE business, terminal can only send LTE starts position
Put register request message；If network where terminal only supports group service, terminal can a signalling of bouquet start position step on
Note request message.As shown in figure 3, wherein UE is colony terminal, eNodeB is specific colony terminal start location register flow
Base station where UE, the flow mainly includes：
Step 301, UE sets up RRC and is connected with eNodeB.
Step 302, when UE starts shooting, is given based on Non-Access Stratum (NAS) agreement signalling of bouquet start position register request message
ENodeB, eNodeB give C-PDS treatment by T1 interfaces signalling of bouquet start position register request message.
International mobile subscriber identity (IMSI, International are carried in cluster start position register request message
Mobile Subscriber Identification Number), the current tracking area of terminal (TA, Tracking Area), eventually
The contents such as a push-to-talk (PTT, the Push To Talk) information on end.Wherein, PTT information includes initiating cluster individual calling, cluster
Group is exhaled, the group service information such as speech in trunked call.
The cluster start position register request message in can with the ability label attribute of carried terminal, terminal versions number,
The information such as terminal network ability.
Step 303, after C-PDS receives cluster start position register request message, by IMSI, the current TA of terminal, terminal
The attribute such as PTT information to re-group package be remote authentication dial-in user service (RADIUS, Remote Authentication
Dial In User Service) protocol form cluster start position register request message, issue PHR.
In the request message that C-PDS is sent to PHR, identified with registration type (Registration-Type) attribute
The type of request message is cluster start position register request message.
Step 304, PHR judge user whether effectively, it is whether expired etc..If it is determined that user is legal, then terminal is recorded
The positional informations such as TA, can also record the information such as ability label attribute, terminal versions number, the terminal network ability of terminal, while
Whether the PTT information in verification message is consistent with the PTT information of this terminal preserved in PHR, and check results are included in into collection
C-PDS is issued in group's start location register response message.
In addition, PHR is also for the UE of start distributes corresponding global unique temporary identity (GUTI, Globally
Unique Temporary ID), the GUTI for being distributed is included in cluster start location register response message.
Step 305, C-PDS record is selected according to service needed or do not record the positional information and terminal of the terminal with
The information such as the whether consistent check results of the PTT information of PHR sides, and signalling of bouquet starts shooting location register response message to terminal,
Inform the success of starting up of terminal location register.
Additionally, if the PTT information of terminal and PHR sides were inconsistent, the correct terminal PTT information that PDS stores PHR
Update terminal.If certain group of this terminal attaching is active in PDS, and the terminal is not at state of activation,
Then be linked into terminal in activation group by PDS.
Based on above-mentioned digital clustering communication system, the embodiment of the present invention also proposes a kind of side of colony terminal location updating
Method.When terminal meets location updating trigger condition, terminal can send location update request message, if network is only where terminal
LTE is supported, then can only send LTE location update request messages；If network where terminal only supports cluster, can only send out
Cluster position is sent to update request message；If terminal had both supported LTE or had supported cluster, be simultaneously emitted by two message, i.e. LTE
Put renewal request message and cluster position updates request message.For LTE location update request messages, existing LTE positions are performed
More new technological process, mainly by LTE EPC treatment；Request message is updated for cluster position, the message is identified by eNodeB
Cluster core net is sent to after coming to be processed.
As shown in figure 4, wherein UE is colony terminal, eNodeB is base where UE to specific colony terminal position update flow
Stand, the flow mainly includes：
Step 401, when UE meets location updating trigger condition, such as：UE movements when causing TA to change or UE timing positions more
Newly or during other service neededs, triggering UE launch positions update request message.
Step 402, UE sets up RRC and is connected with eNodeB.
Step 403, UE is based on NAS agreements and sends location update request message to eNodeB, and eNodeB is sent out by T1 interfaces
Send location update request message C-PDS treatment.
GUTI, the current TA of terminal that the PHR when UE starts shooting is the UE distribution etc. are carried in the location update request message
Content.
Step 404, after C-PDS receives location update request message, by the attributes such as GUTI, the current TA of terminal re-group package for
The location update request message of radius protocol form, issues PHR.
In the request message that C-PDS is sent to PHR, identified with registration type (Registration-Type) attribute
The type of request message is location update request message.
Step 405, PHR judge user whether effectively, it is whether expired etc..If it is determined that user is legal, then terminal is recorded
The positional informations such as TA, and position update response information is sent to C-PDS.
Step 406, C-PDS selects record or does not record the positional information of the terminal according to service needed, and sends position
Response message is updated to terminal, informs updating of terminal position success.
If additionally, certain group of this terminal attaching is active in PDS, and the terminal is not at activating shape
State, then PDS terminal is linked into activation group.
Preferably, in order on increasing terminal PTT information with PHR terminal PTT information it is consistent, it is also possible in location updating
PTT information is carried in request message.For security reasons, the PTT information in the message mentioned in the embodiment of the present invention can
Not to be the PTT information of direct plaintext, but by the PTT information after certain conversion and encryption, to realize the guarantor to PTT information
Shield.
Also, it should be noted that colony terminal shuts down, location register flow is similar with start location register flow, and difference exists
In, it is not required to carry PTT information in shutdown position register request message, PTT information updatings will not be triggered；PDS is in the pass for receiving PHR
After machine location register response message, terminal can be changed into off-mode from the state of activation in activation group, no longer transmitting signaling and
Voice.
When colony terminal shuts down, if the terminal supports LTE business and supports group service simultaneously, the terminal is sent out simultaneously
Go out two shutdown position register request message, the message for being directed to LTE is indicated in the shutdown position register request message for sending
Also it is directed to the message of cluster, the message for LTE is referred to as LTE shutdown position register request message, for the news that for cluster
It is cluster shutdown position register request message.For LTE shutdown position register request message, perform existing LTE shutdown position and step on
Note flow, mainly by LTE EPC treatment；For cluster shutdown position register request message, the message is recognized by eNodeB
Cluster core net is out sent to afterwards to be processed.
If network where terminal only supports that LTE business, terminal can only send LTE shutdown position register request and disappear
Breath；If network where terminal only supports group service, terminal can a signalling of bouquet shutdown position register request message.Tool
Body colony terminal shutdown location register flow as shown in figure 5, wherein UE be colony terminal, eNodeB be UE where base station, should
Flow mainly includes：
Step 501, UE has set up RRC and has been connected with eNodeB.
Step 502, when UE shuts down, position register request message is shut down to eNodeB based on NAS agreements signalling of bouquet,
ENodeB gives C-PDS treatment by T1 interfaces signalling of bouquet shutdown position register request message.
GUTI, terminal that the PHR when UE starts shooting is the UE distribution are carried in cluster shutdown position register request message
The contents such as current TA.
Step 503, after C-PDS receives cluster shutdown position register request message, by attribute weights such as GUTI, the current TA of terminal
New group bag is the cluster shutdown position register request message of radius protocol form, issues PHR.
In the request message that C-PDS is sent to PHR, identified with registration type (Registration-Type) attribute
The type of request message is cluster shutdown position register request message.
Step 504, PHR judge user whether effectively, it is whether expired etc..If it is determined that user is legal, then terminal is recorded
The positional informations such as TA, C-PDS is issued in return cluster shutdown location register response message.
Step 505, C-PDS selects record or does not record the positional information of the terminal, and signalling of bouquet according to service needed
Shutdown location register response message informs the success of terminal closedown location register to terminal.
From the state of activation in activation group be changed into terminal after the shutdown location register response message for receiving PHR by C-PDS
Off-mode, is no longer the 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 fig. 6, mainly including the following steps that：
Step 601, PDS receives cluster start position register request message, the position that colony terminal is reported by eNodeB
Request message or cluster shutdown position register request message are updated, and the request message of reception is sent to PHR, recorded by PHR
The terminal positional information carried in the request message.
In the request message that PDS is sent to PHR, being identified with registration type (Registration-Type) attribute please
The type for seeking message is cluster start position register request message, location update request message or cluster shutdown position register request
Message.
Step 602, PDS receives cluster start location register response message, position update response information or the collection that PHR is returned
Group's shutdown location register response message, colony terminal is sent to by the response message by eNodeB.
Wherein, terminal positional information can be the current TA of terminal,
The IMSI of colony terminal is also carried in cluster start position register request message；The location update request message and
In cluster shutdown position register request message, it is the colony terminal point also to carry the PHR when the colony terminal is started shooting
The GUTI for matching somebody with somebody.
Cluster is started shooting in position register request message and location update request message, on acceptable further carried terminal
PTT information.
Preferably, the PTT information carried in PHR verification request messages and the corresponding described colony terminal preserved in PHR
Whether PTT information is consistent, and check results is included in into corresponding cluster start location register response message or location updating should
Answer and be sent to the PDS in message；As the PTT preserved in the PTT information carried during the check results are request message with PHR
When information is inconsistent, the PTT information updatings that the PDS will be preserved in the PHR to the colony terminal.
Preferably, after PDS receives cluster start position register request message or location update request message, if institute
The group for stating colony terminal ownership is active in PDS, and the colony terminal is not at state of activation, then PDS is by institute
Colony terminal is stated to be linked into the group being active of ownership.
Preferably, PDS is after the cluster for receiving PHR shuts down location register response message, by the colony terminal from activation
State of activation in group is changed into off-mode, is no longer the colony terminal transmitting signaling and voice.
The above-mentioned location updating method based on digital clustering communication system of correspondence, the embodiment of the present invention provides a kind of based on number
The position updating system of word trunked communication system, may refer to system shown in Figure 2.The position updating system mainly includes：Cluster
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 is to eNodeB；
ENodeB, for forwarding the request message of the colony terminal initiation to PDS；
PDS, for the request message of reception to be sent into PHR；In the request message that PDS is sent to PHR, registration class is used
The type that type (Registration-Type) attribute carrys out identification request message is cluster start position register request message, position
Update request message or cluster shutdown position register request message；
PHR, for recording the terminal positional information carried in the request message, and the cluster start location register for returning
Response message, position update response information or cluster shut down location register response message to PDS；
The response message that PDS is additionally operable to receive is sent to eNodeB, and eNodeB is additionally operable to the response that will be received
Message returns to the colony terminal.
The IMSI of colony terminal is also carried in the cluster start position register request message；The position updating request disappears
In breath and cluster shutdown position register request message, it is the cluster end also to carry the PHR when the colony terminal is started shooting
Hold the GUTI of distribution.
Cluster is started shooting in position register request message and location update request message, can also further on carried terminal one
Push-to-talk PTT information.
Preferably, PHR is additionally operable to, the PTT information of carrying and the corresponding described cluster preserved in PHR in verification request message
Whether the PTT information of terminal is consistent, and check results are included in into corresponding cluster start location register response message or position
PDS is sent in renewal response message.
PDS is additionally operable to, the PTT information preserved in the PTT information carried during the check results are request message with PHR
When inconsistent, the PTT information updatings that PDS will be preserved in PHR to the colony terminal.
Preferably, PDS is additionally operable to, cluster start position register request message or location update request message are being received
Afterwards, if the group of colony terminal ownership is active in PDS, and the colony terminal is not at state of activation,
Then be linked into the colony terminal in the group being active of ownership by PDS；
PDS is additionally operable to, after the cluster for receiving PHR shuts down location register response message, by the colony terminal from activation
State of activation in group is changed into off-mode, is no longer the colony terminal transmitting signaling and voice.
In sum, the embodiment of the present invention is extended by the eNodeB in LTE, and trunking dispatching subsystem is carried out
Improve, realize the updating of terminal position in the digital clustering communication system based on LTE；The present invention need not change existing LTE marks
Quasi- agreement, does not interfere with normal LTE functions, does not interfere with intercoupling between LTE and clustering functionality, does not interfere with LTE nets
Interconnecting between network.
The above, only presently preferred embodiments of the present invention is not intended to limit the scope of the present invention.
Claims (14)
1. a kind of location updating method based on digital clustering communication system, it is characterised in that the method includes：
Dispatch server PDS is received colony terminal and is disappeared by the cluster start position register request that the base station eNodeB of evolution is reported
Breath, location update request message or cluster shutdown position register request message, and the request message of reception is sent to ownership posts
Storage PHR, the terminal positional information carried in the request message is recorded by the PHR, and registration class is used in the request message
Type attribute carrys out the type of identification request message；
The PDS receives cluster start location register response message, the location updating that PHR is returned according to the registration type attribute
Response message or cluster shutdown location register response message, the cluster is sent to by the response message by the eNodeB
Terminal.
2. the location updating method of digital clustering communication system is based on according to claim 1, it is characterised in that the terminal
Positional information is the current tracking area TA of terminal,
The international mobile subscriber identity IMSI of colony terminal is also carried in the cluster start position register request message；It is described
In location update request message and cluster shutdown position register request message, also carry described in when the colony terminal is started shooting
PHR is the global unique temporary identity GUTI of the colony terminal distribution.
3. the location updating method of digital clustering communication system is based on according to claim 2, it is characterised in that the cluster
In start position register request message and location update request message, the push-to-talk PTT information gone back on carried terminal.
4. the location updating method of digital clustering communication system is based on according to claim 3, it is characterised in that the method is also
Including：
The PHR verifies the PTT information of the PTT information carried in request message and the corresponding described colony terminal preserved in PHR
It is whether consistent, and check results are included in corresponding cluster start location register response message or position update response information
It is sent to the PDS.
5. the location updating method of digital clustering communication system is based on according to claim 4, it is characterised in that the method is also
Including：
It is described when the PTT information that the check results are preservation in the PTT information and PHR carried in request message is inconsistent
The PTT information updatings that PDS will be preserved in the PHR are to the colony terminal.
6. the location updating method of digital clustering communication system is based on according to any one of claim 1 to 5, and its feature exists
In the method also includes：
After the PDS receives cluster start position register request message or location update request message, if the cluster
The group of terminal attaching is active in PDS, and the colony terminal is not at state of activation, then the PDS will be described
Colony terminal is linked into the group being active of ownership.
7. the location updating method of digital clustering communication system is based on according to any one of claim 1 to 5, and its feature exists
In the method also includes：
The PDS shuts down after location register response message in the cluster for receiving PHR, by the colony terminal from swashing in activation group
State living is changed into off-mode, is no longer the colony terminal transmitting signaling and voice.
8. a kind of position updating system based on digital clustering communication system, it is characterised in that the system includes：Colony terminal,
The base station eNodeB of evolution, dispatch server PDS and home location register PHR, wherein,
The colony terminal, for initiating cluster start position register request message, location update request message or cluster shutdown
Position register request message gives the eNodeB；
The eNodeB, the request message for forwarding the colony terminal to initiate is used to PDS, in the request message and noted
Volume type attribute carrys out the type of identification request message；
The PDS, for the request message of reception to be sent into the PHR；
The PHR, for recording the terminal positional information carried in the request message, and returns according to the registration type attribute
Cluster start location register response message, position update response information or the cluster shutdown location register response message returned are to described
PDS；
The response message that the PDS is additionally operable to receive is sent to the eNodeB, and the eNodeB is additionally operable to reception
The response message returns to the colony terminal.
9. the position updating system of digital clustering communication system is based on according to claim 8, it is characterised in that the terminal
Positional information is the current tracking area TA of terminal,
The international mobile subscriber identity IMSI of colony terminal is also carried in the cluster start position register request message；It is described
In location update request message and cluster shutdown position register request message, also carry described in when the colony terminal is started shooting
PHR is the global unique temporary identity GUTI of the colony terminal distribution.
10. the position updating system of digital clustering communication system is based on according to claim 9, it is characterised in that the collection
In group's start position register request message and location update request message, the push-to-talk PTT information gone back on carried terminal.
11. position updating systems for being based on digital clustering communication system according to claim 10, it is characterised in that described
PHR is additionally operable to, and the PTT information carried in verification request message is with the PTT information of the corresponding described colony terminal preserved in PHR
It is no consistent, and check results are included in corresponding cluster start location register response message or position update response information send out
Give the PDS.
12. position updating systems that digital clustering communication system is based on according to claim 11, it is characterised in that described
PDS is additionally operable to, and the PTT information preserved in the PTT information carried during the check results are request message with PHR is inconsistent
When, the PTT information updatings that the PDS will be preserved in the PHR to the colony terminal.
13. position updating systems that digital clustering communication system is based on according to any one of claim 8 to 12, its feature exists
In the PDS is additionally operable to, after cluster start position register request message or location update request message is received, if institute
The group for stating colony terminal ownership is active in PDS, and the colony terminal is not at state of activation, then the PDS
The colony terminal is linked into the group being active of ownership.
14. position updating systems that digital clustering communication system is based on according to any one of claim 8 to 12, its feature exists
In the PDS is additionally operable to, after the cluster for receiving PHR shuts down location register response message, by the colony terminal from activation group
In state of activation be changed into off-mode, be no longer the colony terminal transmitting signaling and voice.
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