CN108696828A

CN108696828A - The roaming processing method of wireless dispatching desk

Info

Publication number: CN108696828A
Application number: CN201710075558.XA
Authority: CN
Inventors: 李晓华; 万开
Original assignee: Putian Information Technology Co Ltd
Current assignee: Putian Information Technology Co Ltd
Priority date: 2017-02-13
Filing date: 2017-02-13
Publication date: 2018-10-23
Anticipated expiration: 2037-02-13
Also published as: CN108696828B

Abstract

The application proposes that wireless dispatching desk roams processing method.Method includes:The clustered control functional entity TCF of the ownership place cluster core net of wireless dispatching desk receives the registration message that the TCF of the visited place cluster core net of wireless dispatching desk is sent, the registration message carries the location information of the visited place cluster core net, the terminal type of carrying is designated as wireless dispatching desk, and the registration type carried is designated as initial registration, then it is determined as wireless dispatching desk initial registration, after succeeding in registration location register message is sent to the TCF for the group ownership cluster core net organized belonging to wireless dispatching desk, location register message carries the address of the TCF of the ownership place cluster core net.Group when the application realizes wireless dispatching desk roaming exhales the switching in foundation, the right to apply for words, right of speech release and group-calling process.

Description

The roaming processing method of wireless dispatching desk

Technical field

The present invention relates to Clustering field more particularly to the roaming processing methods of wireless dispatching desk.

Background technology

Dispatching desk is the peculiar terminal in group system, and the operating personnel for dispatcher or special access right provide group service Scheduling feature, management function.The major product form of current scheduling platform is wired dispatching desk, direct and cluster core net phase Even, the control between dispatching desk and cluster core net is transmitted by D interface (interface i.e. between dispatching desk and cluster core net) to believe Order and business datum.

With the increasingly complication of group service scene, it is proposed that the functional requirement of wireless dispatching desk, wireless dispatching desk are logical It crosses wireless module and is connected to cluster core net, Radio Link has certain QoS (Quality of Service, Service Quality Amount) it ensures, while requiring to support whole business functions of wired dispatching desk, including multimedia video scheduling and urgent call, Multicast call, dynamic reorganization, it is distant it is dizzy it is/distant to get killed/bring back to life, forced interposing and forced releasing, subscribe to, generally call, careful monitoring, ambience listening/monitoring etc. Cluster supplementary service, the D interface being multiplexed in realization between wired dispatching desk and cluster core net.

Current B-TrunC (Boardband Trunking Communication, broadband cluster communication) system core net Interconnect standard, using Home Routed (ownership routing) mode under roaming architecture, for point-to-point service (such as individual calling, group Exhale uplink), by terminal attaching cluster core net controls, and user face data passes through ownership place cluster core net;For point-to-points Point business (such as group exhales downlink), group ownership cluster core net are to avoid belonging to different core network as service control point Terminal roaming to the same visited place core net when, visited place core net receives same group of multiple setup requests (from different homing core nets), control signaling and business datum are forwarded directly to visited place cluster by a group ownership cluster core net Core net.

To realize above-mentioned mechanism, for roaming terminal, when it is switched in visited place, or is moved to visited place, visit Ground cluster core net GC group connector is returned to ownership place cluster registers kernel network, ownership place cluster core net to the group organized belonging to terminal Category cluster core net progress location register, the cluster core network location information group of notifications homing core net that terminal is currently located, The when of establishing is exhaled to determine which cluster core net to send downlink call to establishes request for group, and subsequently to these cluster cores Net sends downlink service data.

If group membership includes simultaneously wired dispatching desk and wireless terminal, and has ownership of the terminal roaming to wired dispatching desk Under ground cluster core net, in order to reduce the medium surface flow between cluster core net, group ownership cluster core net and dispatching desk ownership Wired dispatching desk and wireless terminal are not differentiated between ground cluster core net, exhales downlink to establish two according to group call uplink and group between the two Road session judges group membership's type by dispatching desk ownership place cluster core net, is built for wired dispatching desk list by D interface and all the way can Words are then sent control signaling for wireless terminal and business datum by the DSCH Downlink Shared Channel eated dishes without rice or wine.

For wireless dispatching desk by the user plane bearer D interface signaling and business datum of wireless module, the prior art is only clear Group-calling set-up method when including wired dispatching desk and roaming wireless terminals in group, wired dispatching desk because of it only exist ownership place Cluster core net does not roam concept, and wireless terminal realizes group-calling service using DSCH Downlink Shared Channel, is not related to D interface, because This multi-core network, which interconnects, exhales implementation that cannot directly be in use to nothing the group of wired dispatching desk and wireless terminal under scene Line dispatching desk.At present for the scene for including roaming wireless dispatching desk in organizing, solution there is no.

Invention content

The present invention provides the roaming processing method of wireless dispatching desk, group when including roaming wireless dispatching desk in realization group Exhale foundation.

The technical proposal of the invention is realized in this way:

A kind of wireless dispatching desk roaming processing method, this method include:

The clustered control functional entity TCF of the ownership place cluster core net of wireless dispatching desk receives visiing for wireless dispatching desk The registration message that the TCF of ground cluster core net is sent is visited, which carries the position letter of the visited place cluster core net The terminal type of breath, carrying is designated as wireless dispatching desk, and the registration type carried is designated as initial registration, then is determined as wireless Dispatching desk initial registration sends position to the TCF for the group ownership cluster core net organized belonging to wireless dispatching desk after succeeding in registration and steps on Remember that message, location register message carry the address of the TCF of the ownership place cluster core net,

Wherein, the registration message is:The registration that the TCF of the visited place cluster core net receives wireless dispatching desk is asked It asks, and it is wireless dispatching desk that terminal type has been reported in the registration request, then represents wireless dispatching desk to wireless dispatching desk What the TCF of ownership place cluster core net was sent.

TCF hairs of the TCF of the ownership place cluster core net to the group ownership cluster core net organized belonging to wireless dispatching desk Location register message is sent to further comprise later:

The TCF of described group of ownership cluster core net receives group calling and establishes request message, according to the location register The address of the TCF of the ownership place cluster core net for the wireless dispatching desk that message carries, to the ownership place collection of wireless dispatching desk The TCF transmission groups of group's core net, which are exhaled, establishes request message, to establish described group of ownership cluster core net returning to wireless dispatching desk The group of possession cluster core net exhales downlink session;

The TCF of the ownership place cluster core net of wireless dispatching desk receives what the TCF of described group of ownership cluster core net was sent Group, which is exhaled, establishes request message, and the group number judgement group membership carried according to the message includes wireless dispatching desk, then to wireless dispatching desk The TCF of visited place cluster core net send and carry the group of wireless dispatching desk number and exhale and establish request message, to return described in foundation The group of possession cluster core net to the visited place cluster core net exhales session;

The TCF of the visited place cluster core net of wireless dispatching desk exhales the wireless tune established in request message according to the group received Platform number is spent, is exhaled to wireless dispatching desk transmission group and establishes request message, is adjusted to wireless with establishing the visited place cluster core net The group of degree platform exhales session.

The TCF of the visited place cluster core net of the wireless dispatching desk is exhaled to wireless dispatching desk transmission group establishes request message Further comprise later:

After a group group for ownership cluster core net to the ownership place cluster core net of wireless dispatching desk exhales downlink session establishment, The TCF of described group of ownership cluster core net sends right of speech notification message to the TCF of the ownership place cluster core net of wireless dispatching desk;

The TCF of the ownership place cluster core net of wireless dispatching desk receives the right of speech notification message, and judgement group membership includes Wireless dispatching desk, the right of speech that carrying wireless dispatching desk number is sent to the TCF of the visited place cluster core net of wireless dispatching desk are logical Know message;The TCF of the visited place cluster core net is according to the wireless dispatching desk number in the right of speech notification message received, Xiang Wu Line dispatching desk sends right of speech notification message.

Wireless dispatching desk exhales to the TCF transmission groups of the visited place cluster core net and establishes request message, is exhaled with establishing group Session;

The TCF of the visited place cluster core net forwards the group to the TCF of the ownership place cluster core net of wireless dispatching desk It exhales and establishes request message, session is exhaled to establish group;

The TCF of the ownership place cluster core net exhales foundation to ask to the TCF transmission groups of described group of ownership cluster core net Message, to establish group call uplink session;

The TCF of described group of ownership cluster core net, which receives the group and exhales, establishes request message, to the ownership place of wireless dispatching desk The TCF transmission groups of cluster core net, which are exhaled, establishes request message, and downlink session is exhaled to establish group.

The TCF of described group of ownership cluster core net is exhaled to the TCF transmission groups of the ownership place cluster core net of wireless dispatching desk Request message is established later to further comprise:

After a group group for ownership cluster core net to the ownership place cluster core net of wireless dispatching desk exhales downlink session establishment, Completion group belongs to cluster core net to the group call uplink session establishment of the ownership place cluster core net of wireless dispatching desk.Later, institute It is right of speech to state group ownership cluster core net and send instruction wireless dispatching desk to the TCF of the ownership place cluster core net of wireless dispatching desk The right of speech notification message of side.

The visited place cluster core net of the TCF of the ownership place cluster core net of the wireless dispatching desk to wireless dispatching desk TCF, which is sent, to be carried the group of wireless dispatching desk number and exhales to establish after request message and further comprise:

It is adjusted to wireless in the visited place cluster core net of ownership place cluster core net to the wireless dispatching desk of wireless dispatching desk After the group of degree platform exhales session establishment, the TCF of the visited place cluster core net where wireless dispatching desk to wireless dispatching desk sends words Weigh solicitation message, the application right of speech in such a way that modification group exhales session;

The TCF of the visited place cluster core net forwards the words to the TCF of the ownership place cluster core net of wireless dispatching desk Weigh solicitation message;

The TCF of the ownership place cluster core net of wireless dispatching desk sends right of speech to the TCF of described group of ownership cluster core net Solicitation message, to create group call uplink session all the way;

The TCF decisions of group ownership cluster core net authorize wireless dispatching desk right of speech, and pass sequentially through returning for wireless dispatching desk The TCF of the possession cluster core net and TCF of the visited place cluster core net of wireless dispatching desk sends right of speech to wireless dispatching desk and awards Message is weighed, wireless dispatching desk returns to right of speech license confirmation message, when the TCF of the ownership place cluster core net of wireless dispatching desk is received After right of speech license confirmation message, the right of speech license confirmation message is sent to a group ownership cluster core net, and by itself and described group Belong to the group call uplink session created between cluster core net and itself arrives the group of the visited place cluster core net of wireless dispatching desk Session is exhaled to be associated.

The TCF of the ownership place cluster core net of the wireless dispatching desk sends the right of speech mandate to a group ownership cluster core net Further comprise after confirmation message:

The TCF of described group of ownership cluster core net receives the right of speech license confirmation message, to the ownership of wireless dispatching desk The TCF of ground cluster core net sends the right of speech notification message that instruction wireless dispatching desk is right of speech side.

The TCF of described group of ownership cluster core net sends to the TCF of the ownership place cluster core net of wireless dispatching desk and indicates Wireless dispatching desk is that the right of speech notification message of right of speech side further comprises later:

The TCF of visited place cluster core net where from wireless dispatching desk to wireless dispatching desk sends right of speech release message, with Modification group exhales the mode release speech right of session;

TCFs of the TCF of the visited place cluster core net of wireless dispatching desk to the ownership place cluster core net of wireless dispatching desk Forward the right of speech release message;

The TCF of the ownership place cluster core net of wireless dispatching desk sends right of speech to the TCF of described group of ownership cluster core net Release message is the group call uplink session created when wireless dispatching desk authorizes right of speech between the two to discharge;

The TCF of group ownership cluster core net sends right of speech release to the TCF of the ownership place cluster core net of wireless dispatching desk After completing message, the TCF of the ownership place cluster core net of wireless dispatching desk passes sequentially through the visited place cluster core of wireless dispatching desk The TCF of heart net sends right of speech Release complete, the TCF that wireless dispatching desk passes through visited place cluster core net to wireless dispatching desk Right of speech is returned to the TCF of ownership place cluster core net and discharges confirmation message, when the ownership place cluster core net of wireless dispatching desk After TCF receives right of speech release confirmation message, itself group between group ownership cluster core net is exhaled into downlink session and itself is arrived Group between the visited place cluster core net of wireless dispatching desk exhales session association.

The TCF of described group of ownership cluster core net sends right of speech to the TCF of the ownership place cluster core net of wireless dispatching desk Further comprise after Release complete:

The TCF of described group of ownership cluster core net sends to the TCF of the ownership place cluster core net of wireless dispatching desk and indicates The right of speech notification message of right of speech free time.

The method further includes:

In group-calling process, the TCF of the ownership place cluster core net of wireless dispatching desk receives the target cluster of wireless dispatching desk The registration message that the TCF of core net is sent, the registration type in message is mobility triggering registration, then to target cluster core net TCF transmission groups exhale and establish request message, exhale session to establish group;Wherein, the trigger condition of the registration message is:It is wireless to adjust The forwarding weight that the eMME/TCF for the source cluster core net that the TCF for spending the target cluster core net of platform receives wireless dispatching desk is sent Locating request message, and indicate that terminal type is wireless dispatching desk in the message;And

The target identification that the eMME/TCF of target cluster core net is carried according to forwarding RELOCATION REQUEST message, to target ENB sends switching request message, and target eNB disappears in the wireless resource control connection reconfiguration completion for receiving wireless dispatching desk After breath, switching notice is sent to the TCF/eMME of target cluster core net;

The TCF of target cluster core net is exhaled to wireless dispatching desk transmission group and is established request message, and session is exhaled to establish group;

The TCF of target cluster core net sends wireless dispatching desk to the TCF of the ownership place cluster core net of wireless dispatching desk Switching result notification message;

The TCF of the ownership place cluster core net of wireless dispatching desk receives the instruction that the TCF of target cluster core net is sent After the switching result notification message of handover success, path is switched to mesh by the TCF of the ownership place cluster core net of wireless dispatching desk The TCF of mark cluster core net arrives wireless dispatching desk again, and the TCF transmission groups of the source cluster core net to wireless dispatching desk exhale release Message;

The TCF of the ownership place cluster core net of wireless dispatching desk is sent to the TCF of the source cluster core net of wireless dispatching desk Wireless dispatching desk logout message.

As it can be seen that group when the application realizes in group comprising roaming wireless dispatching desk exhales foundation.

Description of the drawings

Fig. 1 is the location registering method flow chart of roaming wireless dispatching desk provided by the embodiments of the present application;

Fig. 2 is that cluster group member provided by the embodiments of the present application includes roaming wireless dispatching desk and roaming wireless is dispatched Platform exhales group-calling set-up method flow chart when obedient party's (i.e. group is exhaled called) as group;

Fig. 3 is that cluster group member provided by the embodiments of the present application includes roaming wireless dispatching desk and roaming wireless is dispatched Group-calling set-up method flow chart when platform is as caller;

Fig. 4 is the method flow diagram that roaming wireless dispatching desk provided by the embodiments of the present application applies for right of speech in group is exhaled;

Fig. 5 is the method flow diagram of roaming wireless dispatching desk release speech right in group is exhaled provided by the embodiments of the present application;

Fig. 6 is the switching method flow chart in group-calling process provided by the embodiments of the present application.

Specific implementation mode

Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.

Wireless dispatching desk provided by the invention roams processing procedure:The ownership place cluster core of wireless dispatching desk The clustered control functional entity (TCF) of net receives the registration that the TCF of the visited place cluster core net of wireless dispatching desk is sent and disappears Breath, the registration message carry the location information of the visited place cluster core net, and the terminal type of carrying is designated as wireless dispatching Platform, and the registration type carried is designated as initial registration, then is determined as wireless dispatching desk initial registration, to wireless after succeeding in registration The TCF for the group ownership cluster core net organized belonging to dispatching desk sends location register message, and location register message carries the ownership The address of the TCF of ground cluster core net, wherein the registration message is:The TCF of the visited place cluster core net is received wirelessly The registration request of dispatching desk, and it is wireless dispatching desk that terminal type has been reported in the registration request, then represents wireless dispatching desk It is sent to the TCF of the ownership place cluster core net of wireless dispatching desk.

Wherein, TCF hairs of the TCF of ownership place cluster core net to the group ownership cluster core net organized belonging to wireless dispatching desk Send location register message that can further comprise later:

Wherein, the TCF of the visited place cluster core net of wireless dispatching desk exhales foundation request to disappear to wireless dispatching desk transmission group It can further comprise after breath:

Wherein, the TCF of group ownership cluster core net is exhaled to the TCF transmission groups of the ownership place cluster core net of wireless dispatching desk Establishing request message can further comprise later:

Wherein, visited place cluster core nets of the TCF of the ownership place cluster core net of wireless dispatching desk to wireless dispatching desk TCF send and carry the group of wireless dispatching desk number and exhale and establish after request message and can further comprise:

Wherein, the TCF of the ownership place cluster core net of wireless dispatching desk sends the right of speech to a group ownership cluster core net and awards It can further comprise after power confirmation message:

Wherein, the TCF of group ownership cluster core net sends instruction to the TCF of the ownership place cluster core net of wireless dispatching desk Wireless dispatching desk is the right of speech notification message of right of speech side can further comprise later:

Wherein, the TCF of group ownership cluster core net sends right of speech to the TCF of the ownership place cluster core net of wireless dispatching desk Further comprise after Release complete:

In addition, in group-calling process, the TCF of the ownership place cluster core net of wireless dispatching desk receives the target of wireless dispatching desk The registration message that the TCF of cluster core net is sent, the registration type in message is mobility triggering registration, then to target cluster core The TCF transmission groups of heart net, which are exhaled, establishes request message, and session is exhaled to establish group;Wherein, the trigger condition of the registration message is:Nothing The TCF of the target cluster core net of line dispatching desk receives turn that the eMME/TCF of the source cluster core net of wireless dispatching desk is sent RELOCATION REQUEST message is sent out, and indicates that terminal type is wireless dispatching desk in the message;And

Fig. 1 is the location registering method flow chart of roaming wireless dispatching desk provided by the embodiments of the present application, specific steps It is as follows:

Step 101:Wireless dispatching desk roams into visited place cluster core net and is switched on, the visited place cluster of wireless dispatching desk The TCF (Trunking Control Function, clustered control functional entity) of core net receives the finger that wireless dispatching desk is sent After showing the login request message that terminal type is wireless dispatching desk, ownership place cluster of the wireless dispatching desk to wireless dispatching desk is represented The TCF of core net sends SIP (Session Initiation Protocol, session initiation protocol) Register (registration) Message, Register message carry the location information of visited place cluster core net, and the terminal type of carrying is designated as wireless dispatching Platform, and the registration type carried is designated as initial registration.

Step 102:The TCF of the ownership place cluster core net of wireless dispatching desk receives the SIP Register message, Xiang Wu The TCF of the visited place cluster core net of line dispatching desk sends SIP 401Unauthorized and (does not authenticate) message, it is desirable that reflects Power, and WWW-Authenticate (certification) header field is carried, initiate authentication challenge in the form of standard SIP abstracts.

Step 103:The TCF of the visited place cluster core net of wireless dispatching desk receives the registration that wireless dispatching desk is sent again After request message, SIP Register message is sent again to the TCF of the ownership place cluster core net of wireless dispatching desk, with application Service log-on, message carry Authorization header fields.

Step 104:The TCF judgement wireless dispatching desks of the ownership place cluster core net of wireless dispatching desk pass through authentication, Xiang Wu The TCF of the visited place cluster core net of line dispatching desk returns to SIP 200OK message.

Step 105:The TCF of the ownership place cluster core net of wireless dispatching desk is according to the SIP Register message received The terminal type and registration type of carrying are determined as wireless dispatching desk initial registration, then to the group ownership organized belonging to wireless dispatching desk The TCF of cluster core net sends SIP Message message, and to carry out location register, SIP Message message carries wireless dispatching The address of the TCF of the ownership place cluster core net of platform, and optionally carry the wireless dispatching desk under group ownership cluster core net Affiliated group of group number.

Step 106:The TCF of group ownership cluster core net receives the SIP Message message, to the ownership of wireless dispatching desk The TCF of ground cluster core net returns to SIP 200OK message.

When can be seen that wireless dispatching desk from flow shown in Fig. 1 and being switched under the cluster core net of visited place, wireless dispatching desk The TCF of visited place cluster core net represent wireless dispatching desk to its ownership place cluster registers kernel network, wireless dispatching desk is returned Possession cluster core net judgement is wireless dispatching desk, then carrying out position to the group homing core net organized belonging to wireless dispatching desk steps on The location information notification group of the ownership place cluster core net of wireless dispatching desk is belonged to cluster core net, for establishing group by note Group call region is determined when exhaling.

Fig. 2 is that cluster group member provided by the embodiments of the present application includes roaming wireless dispatching desk and roaming wireless is dispatched Platform exhales group-calling set-up method flow chart when obedient party's (i.e. group is exhaled called) as group, is as follows:

Step 201a~204a:The TCF of group ownership cluster core net receives group calling and establishes request message, to wireless The TCF for the visited place cluster core net that terminal is currently located sends SIP Invite (invitation) message, and Invite message carrying is worked as The information such as preceding group of group number, calling number, call identification, type of call, the call priority exhaled, wherein type of call is designated as Group is exhaled, and the media direction in SDP message bodies is send only (only sending) etc., and downlink session is exhaled to establish group;Wireless terminal is worked as The TCF of the visited place cluster core net at preceding place receives the SIP Invite messages, is returned to a group TCF for ownership cluster core net SIP 100Trying message;The TCF for the visited place cluster core net that wireless terminal is currently located determines response calling, Xiang Zugui The TCF for belonging to cluster core net returns to SIP 200OK message;The TCF of group ownership cluster core net receives the SIP 200OK message, SIP ACK confirmation messages are returned to the TCF of the visited place cluster core net of wireless terminal.

SIP 100Trying message is a kind of Temporary Response message, and SIP 200ok message is a kind of final response message.

So far, pass through step 201a~204a, the visited place cluster core net of group ownership cluster core net to wireless terminal Group exhale downlink session establishment.

Step 201b~204b:Ownership place cluster core nets of the TCF of group ownership cluster core net to wireless dispatching desk TCF sends SIP Invite messages, and Invite message carries the current group of group number exhaled, calling number, call identification, calling class The information such as type, call priority, the media direction in SDP message bodies is sendonly (only sending), to establish Zu Huxia guilds Words;The TCF of the ownership place cluster core net of wireless dispatching desk receives the SIP Invite messages, to group ownership cluster core net TCF returns to SIP 100Trying message;The TCF of the ownership place cluster core net of wireless dispatching desk to group ownership a cluster core net TCF return SIP 200OK message;The TCF of group ownership cluster core net receives the SIP 200OK message, to wireless dispatching desk Ownership place cluster core net TCF return SIP 200OK message.

So far, pass through step 201b~204b, the ownership place cluster core of group ownership cluster core net to wireless dispatching desk The group of net exhales downlink session establishment.

Step 201a~204a and step 201b~204b is carried out parallel.

Step 205b:The TCF judgement group memberships of the ownership place cluster core net of wireless dispatching desk include wireless dispatching desk, then SIP Invite messages are sent to the TCF of the visited place cluster core net of wireless dispatching desk, the current group of group exhaled is carried in message Number, calling number, type of call:Group exhales, call identification, call priority, wireless dispatching desk number etc., to notify wireless dispatching The TCF of the visited place cluster core net of platform establishes group and exhales.

Step 206b:The TCF of the visited place cluster core net of wireless dispatching desk receives the SIP Invite messages, to wireless The TCF of the ownership place cluster core net of dispatching desk returns to SIP 100Trying message.

Step 207b:The TCF of the visited place cluster core net of wireless dispatching desk is according to wireless in SIP Invite messages Dispatching desk number judges that the message is used only as establishing the session between wireless dispatching desk, is not used as under this cluster core net Wireless terminal establishes group and exhales downlink resource, then forwards the SIP Invite messages to wireless dispatching desk.

Step 208b:Wireless dispatching desk receives the SIP Invite messages, to the visited place cluster core of wireless dispatching desk The TCF of net returns to SIP 100Trying message.

Step 209b~210b:Wireless dispatching desk is by the TCF of the visited place cluster core net of wireless dispatching desk to wireless The TCF of the ownership place cluster core net of dispatching desk sends SIP 200OK message.

Step 211b~212b:The TCF of the ownership place cluster core net of wireless dispatching desk receives the SIP 200OK message, SIP ACK messages are returned to wireless dispatching desk by the TCF of the visited place cluster core net of wireless dispatching desk, to confirm call setup It is vertical.

So far, pass through step 205b~212b, ownership place cluster core net the visiing to wireless dispatching desk of wireless dispatching desk The group for visiting ground cluster core net to wireless dispatching desk exhales session establishment.

Step 213a~214a:The visited place cluster core that the TCF of group ownership cluster core net is currently located to wireless terminal The TCF of heart net sends SIP Info message, and message carries right of speech notice mark, right of speech type:It occupies, right of speech side's mark;Wirelessly The visited place cluster core net that terminal is currently located returns to SIP 200OK message to a group ownership cluster core net.

Hereafter, right of speech notice is carried out from the TCF of the visited place cluster core net of wireless terminal to wireless terminal.

Right of speech notification information is used to indicate the right of speech occupancy situation in current group, indicates that who is right of speech when right of speech is occupied Side, i.e., who is talker.

Step 213b~214b:Ownership place cluster core nets of the TCF of group ownership cluster core net to wireless dispatching desk TCF sends SIP Info message, and message carries right of speech notice mark, right of speech type:It occupies, right of speech side's mark;Wireless dispatching desk The TCF of ownership place cluster core net receive SIP Info message, return to SIP 200OK to a group TCF for ownership cluster core net Message.

Step 215b~218b:The TCF judgement group memberships of the ownership place cluster core net of wireless dispatching desk include wireless adjust Platform is spent, sends SIP Info message to the TCF of the visited place cluster core net of wireless dispatching desk, message carries right of speech notification information (including:Right of speech notice mark, right of speech type:Occupy, right of speech side mark) and wireless dispatching desk number, to indicate the message only As the right of speech notice to wireless dispatching desk, and it is not used as the right of speech notice to wireless terminal, without passing through DSCH Downlink Shared Channel It is sent to wireless terminal;The TCF of the visited place cluster core net of wireless dispatching desk receives the SIP Info message, is taken according to message The number of the wireless dispatching desk of band only forwards the SIP Info message to wireless dispatching desk;Wireless dispatching desk receives the SIP Info message, by the TCF of the visited place cluster core net of wireless dispatching desk to the ownership place cluster core net of wireless dispatching desk TCF return SIP 200ok message.

So far, by step 215b~218b, the ownership place cluster core net of wireless dispatching desk is completed to wireless dispatching The right of speech of platform notifies.

The terminal type that group ownership cluster core net does not differentiate between group membership is can be seen that from flow shown in Fig. 2:Wireless terminal Or wireless dispatching desk, and group is established according to the location information that group membership reports and exhales downlink session.That is, for wireless terminal, build The vertical group between the visited place cluster core net of wireless terminal exhales downlink session;For wireless dispatching desk, establishes and wirelessly adjust The group spent between the ownership place cluster core net of platform exhales downlink session, by the TCF of the ownership place cluster core net of wireless dispatching desk According to terminal type:Wireless dispatching desk, the group established between the visited place cluster core net of wireless dispatching desk exhale session, then It establishes and the group of wireless dispatching desk exhales session.Wherein, group ownership cluster core net passes through the position described in Fig. 1 according to wireless dispatching desk Set the location information that registering flow path reports:The address of the TCF of ownership place cluster core net, to corresponding cluster core net:Ownership place Cluster core net transmission group exhales downlink to establish request.

Fig. 3 is that cluster group member provided by the embodiments of the present application includes roaming wireless dispatching desk and roaming wireless is dispatched Group-calling set-up method flow chart when platform is as caller, is as follows:

Step 301~302:The TCF of visited place cluster core net where wireless dispatching desk to itself sends SIP Invite message, to establish group call uplink session, the media direction in SDP message bodies is send only;Visited place cluster core The TCF of net receives the SIP Invite messages, and SIP 100Trying message is returned to wireless dispatching desk.

The medium type that the SIP Invite messages that wireless dispatching desk is sent carry is send only, indicates wireless dispatching Platform is only used as media sender.

Step 303~304:Ownership place collection of the TCF of the visited place cluster core net of wireless dispatching desk to wireless dispatching desk The TCF of group's core net forwards the SIP Invite messages, to establish group call uplink session;The ownership place cluster core of wireless dispatching desk The TCF of heart net receives the SIP Invite messages, and SIP is returned to the TCF of the visited place cluster core net of wireless dispatching desk 100Trying message.

Step 305~306:The TCF of the ownership place cluster core net of wireless dispatching desk to group ownership cluster core net a TCF SIP Invite messages are sent, to establish group call uplink session all the way;The TCF of group ownership cluster core net receives the SIP Invite message returns to SIP 100Trying message to the TCF of the ownership place cluster core net of wireless dispatching desk.

Step 307a~310a:TCF distribution call identification, the call priority of group ownership cluster core net, are adjusted to wireless The TCF for spending the ownership place cluster core net of platform sends SIP Invite messages, and downlink session is exhaled to establish group all the way;Wireless dispatching The TCF of the ownership place cluster core net of platform receives the SIP Invite messages, and SIP is returned to a group TCF for ownership cluster core net 100Trying message;The TCF of the ownership place cluster core net of wireless dispatching desk sends SIP to a group TCF for ownership cluster core net 200OK message;The TCF of group ownership cluster core net returns to SIP ACK to the TCF of the ownership place cluster core net of wireless dispatching desk Message.

So far, pass through step 307a~310a, the ownership place cluster core of group ownership cluster core net to wireless dispatching desk The group of net exhales downlink session establishment.

Step 307b~310b:The visited place cluster core that the TCF of group ownership cluster core net is currently located to wireless terminal The TCF of heart net sends SIP Invite messages, and downlink session is exhaled to establish group;The visited place cluster core net of wireless terminal TCF returns to SIP 100Trying message to a group TCF for ownership cluster core net;The visited place cluster core net of wireless terminal TCF sends SIP 200OK message to a group TCF for ownership cluster core net;The TCF of group ownership cluster core net is to wireless terminal The TCF of visited place cluster core net returns to SIP ACK messages.

So far, the visited place collection being currently located to wireless terminal by step 307b~310b, group ownership cluster core net The group of group's core net exhales downlink session establishment.

Step 311~316:The TCF of group ownership cluster core net receives any road group of instruction and downlink session establishment is exhaled to complete SIP 200OK message after, pass sequentially through the TCF and visited place cluster core net of the ownership place cluster core net of wireless dispatching desk TCF to wireless dispatching desk send SIP 200OK message;Wireless dispatching desk passes sequentially through the visited place cluster core of wireless dispatching desk The TCF of the heart net and TCF of the ownership place cluster core net of wireless dispatching desk returns to SIP to a group TCF for ownership cluster core net ACK message.

So far, the ownership place cluster core net of wireless dispatching desk belongs to the group call uplink session of cluster core net to group, with And wireless dispatching desk to wireless dispatching desk visited place cluster core net to wireless dispatching desk ownership place cluster core net group Exhale session establishment.The TCF of the ownership place cluster core net of wireless dispatching desk is by wireless dispatching desk->The visited place of wireless dispatching desk Cluster core net->Group between the ownership place cluster core net of wireless dispatching desk exhales session and group ownership cluster core net and nothing Group call uplink session association between the ownership place cluster core net of line dispatching desk.

Step 317a~318a:Group ownership cluster core net is sent out to the TCF of the ownership place cluster core net of wireless dispatching desk SIP Info message, message is sent to carry right of speech notice mark, right of speech type:It occupies, right of speech side identifies (i.e. wireless dispatching station symbol Know);The TCF of the ownership place cluster core net of wireless dispatching desk receives the SIP Info message, is returned to a group ownership cluster core net Return SIP 200OK message.

Since wireless dispatching desk is right of speech side, the TCF of the ownership place cluster core net of wireless dispatching desk no longer need to Wireless dispatching desk forwards the SIP Info message.

Step 317b~318b:The visited place cluster core that the TCF of group ownership cluster core net is currently located to wireless terminal The TCF of heart net sends SIP Info message, and message carries right of speech notice mark, right of speech type:Occupy, right of speech side mark (i.e. without Line dispatches station identification), to carry out right of speech notice from the TCF of visited place cluster core net to wireless terminal, i.e., notice is wireless eventually It is right of speech side to hold current wireless dispatching desk.

It can be seen that from flow described in Fig. 3 when establishing group as caller when wireless dispatching desk is roamed and exhaling, wireless dispatching Platform->The visited place cluster core net-&gt of wireless dispatching desk;Group is established between the ownership place cluster core net of wireless dispatching desk to exhale Session establishes uplink session all the way between group ownership cluster core net and the ownership place cluster core net of wireless dispatching desk, and group is returned Belong to location information (the visited place cluster core of wireless terminal reported when cluster core net carries out location register according to wireless terminal The location information of net) and wireless dispatching desk carry out location information (the ownership place cluster of wireless dispatching desk that reports when location register The location information of core net) and the visited place cluster core net of wireless terminal, the ownership place cluster core net of wireless dispatching desk it Between establish group all the way respectively and exhale downlink session, the TCF of group ownership cluster core net receives at least that group exhales downlink session establishment all the way The foundation of group call uplink session is completed after successful message.

Fig. 4 is the method flow diagram that roaming wireless dispatching desk provided by the embodiments of the present application applies for right of speech in group is exhaled, It is as follows:

Step 401~402:The TCF of visited place cluster core net where from wireless dispatching desk to wireless dispatching desk sends SIP Re-Invite message, the media direction in SDP message bodies are sendrecv (sending and receiving);Visited place cluster core net TCF receives the SIP re-Invite message, and SIP 100Trying message is returned to wireless dispatching desk.

Step 403~404:Ownership place collection of the TCF of the visited place cluster core net of wireless dispatching desk to wireless dispatching desk The TCF of group's core net forwards the SIP re-Invite message;The TCF of the ownership place cluster core net of wireless dispatching desk is received should SIP re-Invite message returns to SIP 100Trying message to the TCF of the visited place cluster core net of wireless dispatching desk.

Step 405~406:The TCF of the ownership place cluster core net of wireless dispatching desk to group ownership cluster core net a TCF SIP Invite messages are sent, to create group call uplink session all the way, the media direction in SDP message bodies is sendrecv;Group The TCF of ownership cluster core net receives the SIP Invite messages, is returned to the TCF of the ownership place cluster core net of wireless dispatching desk Return SIP 100Trying message.

Step 407~412:The TCF decisions of group ownership cluster core net authorize wireless dispatching desk right of speech, pass sequentially through wireless The TCF of the ownership place cluster core net of the dispatching desk and TCF of the visited place cluster core net of wireless dispatching desk is to wireless dispatching desk SIP 200OK message is sent, right of speech mandate mark is carried in message;Wireless dispatching desk passes sequentially through the visited place cluster core of itself The TCF of the heart net and TCF of ownership place cluster core net returns to SIP ACK messages to a group TCF for ownership cluster core net.

So far, pass through step 401~412, the success of wireless dispatching desk application right of speech.The ownership place cluster core of wireless dispatching desk The group call uplink meeting that the TCF of heart net will be created between the ownership place cluster core net of wireless dispatching desk and group ownership cluster core net The ownership place cluster core net-&gt of words and wireless dispatching desk;The visited place cluster core net-&gt of wireless dispatching desk;Wireless dispatching desk Between group exhale session association.

Step 413a~414a:Ownership place cluster core nets of the TCF of group ownership cluster core net to wireless dispatching desk TCF sends SIP Info message, and message carries right of speech notification information (indicating that wireless dispatching desk is right of speech side);Wireless dispatching desk Ownership place cluster core net TCF to group ownership cluster core net a TCF return SIP 200OK message.

Step 413b~414b:TCFs of the TCF of group ownership cluster core net to the visited place cluster core net of wireless terminal SIP Info message is sent, to carry out right of speech notice from the TCF of the visited place cluster core net of wireless terminal to wireless terminal, I.e. the notice current wireless dispatching desk of wireless terminal is right of speech side.

It can be seen that by flow shown in Fig. 4 when wireless dispatching desk is in application right of speech during group is exhaled, wireless dispatching desk-> The visited place cluster core net-&gt of wireless dispatching desk;Session modification is used between the ownership place cluster core net of wireless dispatching desk (using re-INVITE message) mode, between the ownership place cluster core net and group ownership cluster core net of wireless dispatching desk Newly-built group call uplink session all the way (using Invite modes);After wireless dispatching desk obtains right of speech mandate, group ownership cluster core Maintain original group all the way that downlink session, wireless dispatching desk is exhaled to return between heart net and the ownership place cluster core net of wireless dispatching desk The TCF of possession cluster core net by the ownership place cluster core net of wireless dispatching desk and group ownership cluster core net between create The ownership place cluster core net-&gt of group call uplink session and wireless dispatching desk;The visited place cluster core net-&gt of wireless dispatching desk; Group between wireless dispatching desk exhales session association.

Fig. 5 is the method flow diagram of roaming wireless dispatching desk release speech right in group is exhaled provided by the embodiments of the present application, It is as follows:

Step 501~502:The TCF of visited place cluster core net where from wireless dispatching desk to wireless dispatching desk sends SIP Re-Invite message, the media direction carried in message body are recvonly;The visited place cluster core net of wireless dispatching desk TCF receives the SIP re-Invite message, and SIP 100Trying message is returned to wireless dispatching desk.

Step 503~504:Ownership place collection of the TCF of the visited place cluster core net of wireless dispatching desk to wireless dispatching desk The TCF of group's core net forwards the SIP re-Invite message;The TCF of the ownership place cluster core net of wireless dispatching desk is received should SIP re-Invite message returns to SIP 100Trying message to the TCF of the visited place cluster core net of wireless dispatching desk.

Step 505~510:The TCF of the ownership place cluster core net of wireless dispatching desk to group ownership cluster core net a TCF SIP Bye (goodbye) message is sent, to discharge group call uplink session;The TCF of group ownership cluster core net receives the SIP Bye and disappears Breath sends SIP 200OK message to discharge current right of speech to the TCF of the ownership place cluster core net of wireless dispatching desk;It is wireless to adjust The TCF of the ownership place cluster core net of platform is spent by the TCF of the visited place cluster core net of wireless dispatching desk to wireless dispatching desk Send SIP200OK message;Wireless dispatching desk is by the TCF of the visited place cluster core net of itself to ownership place cluster core net TCF return SIP ACK messages with confirm right of speech discharge.

So far, the right of speech of wireless dispatching desk discharges successfully.The TCF of the ownership place cluster core net of wireless dispatching desk returns group Belong to the ownership that the group between cluster core net and the ownership place cluster core net of wireless dispatching desk exhales downlink session and wireless dispatching desk Ground cluster core net->The visited place cluster core net-&gt of wireless dispatching desk;Group between wireless dispatching desk exhales session association.

Step 511a~512a:If there is currently no talking right queuing user, the TCF of group ownership cluster core net is to wireless The TCF of the ownership place cluster core net of dispatching desk sends SIP Info message, and message carries right of speech type:It is idle;Wireless dispatching The TCF of the ownership place cluster core net of platform receives the SIP Info message, and returning to SIP 200OK to a group ownership cluster core net disappears Breath.

Since the right of speech of wireless dispatching desk is released, the SIP Info that the TCF of group ownership cluster core net is sent out disappear The right of speech type that breath carries is the free time, and the TCF of the ownership place cluster core net of wireless dispatching desk is not necessarily to forward to wireless dispatching desk The SIP Info message.

Step 511b~512b:The visited place cluster core that the TCF of group ownership cluster core net is currently located to wireless terminal The TCF of heart net sends SIP Info message, and message carries right of speech type:Free time, so as to by the visited place cluster core of wireless terminal The TCF of heart net carries out right of speech notice to wireless terminal.

It can be seen that by flow shown in Fig. 5 when wireless dispatching desk is in release speech right during group is exhaled, wireless dispatching desk-> The visited place cluster core net-&gt of wireless dispatching desk;Session modification is used between the ownership place cluster core net of wireless dispatching desk (using re-INVITE message) mode, between the ownership place cluster core net and group ownership cluster core net of wireless dispatching desk Maintenance group exhales downlink session, is released to the group call uplink session established when wireless dispatching desk application right of speech.

Fig. 6 is the switching method flow chart in group-calling process provided by the embodiments of the present application, is as follows:

Step 601:Wireless dispatching desk sends measument to source eNB (Evolved Node B, evolution base station) Report (measurement report) message, message carry the current measurement result of wireless dispatching desk.

Step 602:Source eNB receive measument report message, determine that wireless dispatching desk will carry out S1 switchings, then to (Evolved Move Management Entity enhance mobile model management to the eMME of the source cluster core net of wireless dispatching desk Entity) send handover required (switching request) message.

Step 603:The eMME of the source cluster core net of wireless dispatching desk receives the handover required message, choosing The target cluster core net being switched to is selected, Forward Relocation Request are sent to the eMME of target cluster core net (forwarding re-positioning request) message, Forward Relocation Request message carried terminal types:Wireless dispatching desk, and Carry wireless dispatching desk context, Target eNB identity, Target TAI (target following area mark), the transparent appearance in source to target The information such as device.

Step 604~605:The eMME/TCF of the target cluster core net of wireless dispatching desk receives the Forward Relocation Request message knows that terminal type is wireless dispatching desk, its ownership is determined according to wireless dispatching desk number Ground cluster core net sends SIP Register message, carried terminal to the TCF of the ownership place cluster core net of wireless dispatching desk Type, the registration type of carrying are the registration of mobility triggering;The TCF of the ownership place cluster core net of wireless dispatching desk is received should SIP Register message returns to SIP 200OK message to the TCF of the target cluster core net of wireless dispatching desk.

Step 606~609:Target cluster cores of the TCF of wireless dispatching desk ownership place cluster core net to wireless dispatching desk The TCF of heart net sends SIP Invite messages, and session is exhaled to establish group;The TCF of wireless dispatching desk target cluster core net is received The SIP Invite messages return to SIP 100Trying message to the TCF of the ownership place cluster core net of wireless dispatching desk;Nothing The TCF of line dispatching desk target cluster core net sends SIP 200OK to the TCF of the ownership place cluster core net of wireless dispatching desk and disappears Breath;The TCF of the ownership place cluster core net of wireless dispatching desk receives the SIP 200OK message, to the object set of wireless dispatching desk The TCF of group's core net returns to SIP ACK messages.

So far, the group between the ownership place cluster core net of wireless dispatching desk and the target cluster core net of wireless dispatching desk Exhale session establishment.

Step 610~611:The TCF/eMME of the target cluster core net of wireless dispatching desk is sent to target eNB Handover Request message;Target eNB receives the Handover Request message, creates wireless dispatching desk context, Handover Request ACK messages are returned to the eMME/TCF of the target cluster core net of wireless dispatching desk.

Step 612:TCF/eMMEs of the TCF/eMME of the target cluster core net of wireless dispatching desk to source cluster core net Return to Forward Relocation Response message.

Step 613:The TCF/eMME of the source cluster core net of wireless dispatching desk sends Handover Command to source eNB (switching command).

Step 614:Source eNB receives Handover Command, and RRC Connection are sent to wireless dispatching desk Reconfiguration (wireless resource control connection reconfiguration) message.

Step 615:Source eNB sends eNB Status Transfer (eNB states to the eMME/TCF of source cluster core net Transmission) message.

Step 616~617:The eMME/TCF of source cluster core net receives eNB Status Transfer message, to target The eMME/TCF of cluster core net sends Forward Access Context Notification, and (forwarding access context is logical Know) message;The eMME/TCF of target cluster core net returns to Forward Access Context to the TCF of source cluster core net ACK message.

Step 618:The eMME/TCF of target cluster core net sends MME status Transfer (movements to target eNB Management entity state transfer) message.

Step 619:Wireless dispatching desk sends RRC Connection Reconfiguration to target eNB Complete (wireless resource control connection reconfiguration completion) message.

Step 620:Target eNB sends Handover Notify to the eMME/TCF of target cluster core net and (switches logical Know) message.

Step 621~622:The eMME/TCF of target cluster core net receives Handover Notify message, to source cluster The eMME/TCF of core net sends Forward Access Complete Notification (forwarding access completion notice) and disappears Breath;The eMME/TCF of source cluster core net returns to Forward Access to the eMME/TCF of target cluster core net Complete ACK (forwarding access is completed to confirm) message.

Step 610~622 are the normal process of LTE, and for details, reference can be made to 3GPP S1 switching flows.

Step 623~626:The TCF of wireless dispatching desk target cluster core net sends SIP Invite to wireless dispatching desk Message exhales session to establish group;Wireless dispatching desk returns to SIP100Trying message to the TCF of target cluster core net;Wirelessly Dispatching desk sends SIP 200OK message to the TCF of target cluster core net;The TCF of target cluster core net is to wireless dispatching desk Return to SIP ACK messages.

So far, the group between wireless dispatching desk target cluster core net and wireless dispatching desk exhales session establishment.

Step 627~628:Ownership place cluster cores of the TCF of wireless dispatching desk target cluster core net to wireless dispatching desk The TCF of heart net sends SIP Message message, to notify wireless dispatching desk switching result;The ownership place cluster of wireless dispatching desk The TCF of core net returns to SIP200OK message to the TCF of target cluster core net.

Step 629~632:If switched successfully, the TCF of the ownership place cluster core net of wireless dispatching desk switches path To target cluster core net-;Wireless dispatching desk sends SIP Bye message to the TCF of source cluster core net, to remove the two Between group exhale session;The TCF of source cluster core net returns to SIP 200OK message to the TCF of ownership place cluster core net;It is wireless to adjust The TCF for spending the ownership place cluster core net of platform sends SIP Options (cancellation) message to the TCF of source cluster core net, with logical Know that the TCF of source cluster core net nullifies wireless dispatching desk, message is designated as the cancellation of mobility triggering, need not be to wireless dispatching Platform sends logout message;The TCF of source cluster core net returns to SIP 200OK message to the TCF of ownership place cluster core net.

So far, it is established for wireless dispatching desk between the ownership place cluster core net of wireless dispatching desk and source cluster core net Group exhale session to be removed, and nullify wireless dispatching desk in the cluster core net of source.

Step 633~634:The eMME/TCF of source cluster core net completes TAU (Tracking Area in wireless dispatching desk Update, tracking area update) after process, UE Context Release Command are sent (above and below user equipment to source eNB Text release) message;Source eNB discharges and the relevant resource of wireless dispatching desk, and UE is returned to the eMME/TCF of source cluster core net Context Release Complete message.

Wireless dispatching desk is can be seen that by flow shown in Fig. 6 and keeps connected state in group-calling process, if calling It is moved to another visited place cluster core net in journey, the switching of Radio Link is completed by public network switching flow, was being switched The target cluster core net of wireless dispatching desk represents wireless dispatching desk and carries out cluster registration to its ownership place cluster core net in journey (registration type is the registration of mobility triggering), but without carrying out location register, it is responsible for what group was exhaled by ownership place cluster core net Reconstruction establishes and arrives target cluster core net-;Group between wireless dispatching desk exhales session, and target cluster core net is to wireless dispatching Platform belongs to cluster core net and notifies switching result, and the TCF of the ownership place cluster core net of wireless dispatching desk will after handover success Path is switched to target cluster core net-wireless dispatching desk, is between the release of ownership place cluster core net and source cluster core net The group that wireless dispatching desk is established exhales session, source cluster core net to nullify wireless dispatching desk, discharge corresponding UE contexts.

It should be noted that for wireless terminal, if being moved to new visited place cluster core net (target in connected state Visited place cluster core net), then from the target visited place cluster core net of wireless terminal to its ownership place collection in handoff procedure Group's core net Agent cluster registration, ownership place cluster core net need to carry out location register, notice to a group ownership cluster core net The location information of target visited place cluster core net is responsible for the enlarging that group is exhaled by group ownership cluster core net;In addition, wireless terminal Ownership place cluster core net also need to send group information updating to target cluster core net, the affiliated group information of user is notified into mesh Cluster core net is marked, for determining group call region when subsequently initiation group is exhaled.

As it can be seen that in the application, wireless dispatching desk is individually defined as to a kind of terminal type, when wireless dispatching desk is in visited place When cluster core net initiates initial registration, ownership place cluster core net is determined as wireless dispatching desk according to the terminal type reported, The position (address of the TCF of ownership place cluster core net) of ownership place cluster core net is then registered to group ownership cluster core net. In group call establishment process, group ownership cluster core net does not differentiate between terminal type (wireless terminal or the wireless dispatching of group membership Platform), the location information registered when according to group membership's initial registration establishes group and exhales downlink session, by the ownership place collection of wireless dispatching desk Group's core net is responsible for establishing exhales session via wireless dispatching desk visited place cluster core net to the group of wireless dispatching desk.Wirelessly adjusting Degree platform establishes group call uplink/downlink between corresponding cluster core net respectively when exhaling caller, group to exhale called, right of speech user as group The incidence relation of session and D interface session is then responsible for what group was exhaled in handoff procedure by wireless dispatching desk ownership place cluster core net Reconstruction, path is switched to target cluster core by the TCF of the ownership place cluster core net of wireless dispatching desk after handover success Net-wireless dispatching desk.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.

Claims

1. a kind of wireless dispatching desk roams processing method, which is characterized in that this method includes:

The clustered control functional entity TCF of the ownership place cluster core net of wireless dispatching desk receives the visited place of wireless dispatching desk The registration message that the TCF of cluster core net is sent, the registration message carry the location information of the visited place cluster core net, take The terminal type of band is designated as wireless dispatching desk, and the registration type carried is designated as initial registration, then is determined as wireless dispatching Platform initial registration sends location register to the TCF for the group ownership cluster core net organized belonging to wireless dispatching desk after succeeding in registration and disappears Breath, location register message carry the address of the TCF of the ownership place cluster core net,

Wherein, the registration message is:The TCF of the visited place cluster core net receives the registration request of wireless dispatching desk, and It is wireless dispatching desk that terminal type has been reported in the registration request, then represents ownership place of the wireless dispatching desk to wireless dispatching desk What the TCF of cluster core net was sent.

2. according to the method described in claim 1, it is characterized in that, the TCF of the ownership place cluster core net is to wireless dispatching The TCF for the group ownership cluster core net organized belonging to platform further comprises after sending location register message:

The TCF of described group of ownership cluster core net receives group calling and establishes request message, according to the location register message The address of the TCF of the ownership place cluster core net of the wireless dispatching desk carried, to the ownership place cluster core of wireless dispatching desk The TCF transmission groups of heart net, which are exhaled, establishes request message, with establish described group of ownership cluster core net to wireless dispatching desk ownership place The group of cluster core net exhales downlink session;

The TCF of the ownership place cluster core net of wireless dispatching desk receives the group that the TCF of described group of ownership cluster core net is sent and exhales Request message is established, the group number judgement group membership carried according to the message includes wireless dispatching desk, then visiing to wireless dispatching desk The group of the TCF transmission carrying wireless dispatching desk numbers of visit ground cluster core net, which is exhaled, establishes request message, to establish the ownership place The group of cluster core net to the visited place cluster core net exhales session;

The TCF of the visited place cluster core net of wireless dispatching desk exhales the wireless dispatching desk established in request message according to the group received Number exhales to wireless dispatching desk transmission group and establishes request message, to establish the visited place cluster core net to wireless dispatching desk Group exhale session.

3. according to the method described in claim 2, it is characterized in that, the visited place cluster core net of the wireless dispatching desk TCF, which exhales to establish after request message to wireless dispatching desk transmission group, to be further comprised:

It is described after a group group for ownership cluster core net to the ownership place cluster core net of wireless dispatching desk exhales downlink session establishment The TCF of group ownership cluster core net sends right of speech notification message to the TCF of the ownership place cluster core net of wireless dispatching desk;

The TCF of the ownership place cluster core net of wireless dispatching desk receives the right of speech notification message, and judgement group membership includes wireless Dispatching desk, the right of speech notice that carrying wireless dispatching desk number is sent to the TCF of the visited place cluster core net of wireless dispatching desk disappear Breath;The TCF of the visited place cluster core net is adjusted according to the wireless dispatching desk number in the right of speech notification message received to wireless It spends platform and sends right of speech notification message.

4. according to the method described in claim 1, it is characterized in that, the TCF of the ownership place cluster core net is to wireless dispatching The TCF for the group ownership cluster core net organized belonging to platform further comprises after sending location register message:

Wireless dispatching desk exhales to the TCF transmission groups of the visited place cluster core net and establishes request message, and session is exhaled to establish group;

The TCF of the visited place cluster core net forwards the group to exhale and builds to the TCF of the ownership place cluster core net of wireless dispatching desk Vertical request message, session is exhaled to establish group;

The TCF of the ownership place cluster core net is exhaled to the TCF transmission groups of described group of ownership cluster core net and is established request message, To establish group call uplink session;

The TCF of described group of ownership cluster core net, which receives the group and exhales, establishes request message, to the ownership place cluster of wireless dispatching desk The TCF transmission groups of core net, which are exhaled, establishes request message, and downlink session is exhaled to establish group.

5. according to the method described in claim 4, it is characterized in that, the TCF of described group of ownership cluster core net is to wireless dispatching The TCF transmission groups of the ownership place cluster core net of platform, which exhale to establish after request message, to be further comprised:

After a group group for ownership cluster core net to the ownership place cluster core net of wireless dispatching desk exhales downlink session establishment, complete Group call uplink session establishment of the group ownership cluster core net to the ownership place cluster core net of wireless dispatching desk.Later, described group It is right of speech side to belong to cluster core net to send instruction wireless dispatching desk to the TCF of the ownership place cluster core net of wireless dispatching desk Right of speech notification message.

6. according to the method described in claim 2, it is characterized in that, the ownership place cluster core net of the wireless dispatching desk The group that TCF sends carrying wireless dispatching desk number to the TCF of the visited place cluster core net of wireless dispatching desk exhales foundation request to disappear Further comprise after breath:

Wireless dispatching desk ownership place cluster core net to the visited place cluster core net of wireless dispatching desk to wireless dispatching desk Group exhale session establishment after, the TCF of the visited place cluster core net where from wireless dispatching desk to wireless dispatching desk sends right of speech Shen Please message, the application right of speech in such a way that modification group exhales session;

The TCF of the visited place cluster core net forwards the right of speech Shen to the TCF of the ownership place cluster core net of wireless dispatching desk It please message;

TCF application sending the right words of the TCF of the ownership place cluster core net of wireless dispatching desk to described group of ownership cluster core net Message, to create group call uplink session all the way;

The TCF decisions of group ownership cluster core net authorize wireless dispatching desk right of speech, and pass sequentially through the ownership place of wireless dispatching desk The TCF of the cluster core net and TCF of the visited place cluster core net of wireless dispatching desk sends right of speech mandate to wireless dispatching desk and disappears Breath, wireless dispatching desk returns to right of speech license confirmation message, when the TCF of the ownership place cluster core net of wireless dispatching desk receives right of speech After license confirmation message, the right of speech license confirmation message is sent to a group ownership cluster core net, and by itself and described group of ownership Between cluster core net create group call uplink session and itself exhale meeting to the group of the visited place cluster core net of wireless dispatching desk Words are associated.

7. according to the method described in claim 6, it is characterized in that, the ownership place cluster core net of the wireless dispatching desk TCF further comprises after sending the right of speech license confirmation message to a group ownership cluster core net:

The TCF of described group of ownership cluster core net receives the right of speech license confirmation message, to the ownership place collection of wireless dispatching desk The TCF of group's core net sends the right of speech notification message that instruction wireless dispatching desk is right of speech side.

8. the method according to the description of claim 7 is characterized in that the TCF of described group of ownership cluster core net is to wireless dispatching The TCF of the ownership place cluster core net of platform sends further packet after the right of speech notification message that instruction wireless dispatching desk is right of speech side It includes:

The TCF of the visited place cluster core net of wireless dispatching desk is forwarded to the TCF of the ownership place cluster core net of wireless dispatching desk The right of speech release message;

The TCF of the ownership place cluster core net of wireless dispatching desk sends right of speech release to the TCF of described group of ownership cluster core net Message is the group call uplink session created when wireless dispatching desk authorizes right of speech between the two to discharge;

The TCF of group ownership cluster core net sends right of speech release to the TCF of the ownership place cluster core net of wireless dispatching desk and completes After message, the TCF of the ownership place cluster core net of wireless dispatching desk passes sequentially through the visited place cluster core net of wireless dispatching desk TCF send right of speech Release complete to wireless dispatching desk, wireless dispatching desk is by the TCF of visited place cluster core net to returning The TCF of possession cluster core net returns to right of speech and discharges confirmation message, when the TCF of the ownership place cluster core net of wireless dispatching desk is received After discharging confirmation message to right of speech, downlink session and itself is exhaled to be adjusted to wireless itself group between group ownership cluster core net The group spent between the visited place cluster core net of platform exhales session association.

9. according to the method described in claim 8, it is characterized in that, the TCF of described group of ownership cluster core net is to wireless dispatching The TCF of the ownership place cluster core net of platform further comprises after sending right of speech Release complete:

The TCF of described group of ownership cluster core net sends instruction right of speech to the TCF of the ownership place cluster core net of wireless dispatching desk Idle right of speech notification message.

10. according to the method described in claim 1, it is characterized in that, the method further includes:

In group-calling process, the TCF of the ownership place cluster core net of wireless dispatching desk receives the target cluster core of wireless dispatching desk The registration message that the TCF of net is sent, the registration type in message is mobility triggering registration, then to target cluster core net TCF transmission groups, which are exhaled, establishes request message, and session is exhaled to establish group;Wherein, the trigger condition of the registration message is:Wireless dispatching The TCF of the target cluster core net of platform receives the forwarding that the eMME/TCF of the source cluster core net of wireless dispatching desk is sent and resets Position request message, and indicate that terminal type is wireless dispatching desk in the message;And

The target identification that the eMME/TCF of target cluster core net is carried according to forwarding RELOCATION REQUEST message, sends out to target eNB Send switching request message, target eNB after the wireless resource control connection reconfiguration for receiving wireless dispatching desk completes message, Switching notice is sent to the TCF/eMME of target cluster core net;

The TCF of target cluster core net sends wireless dispatching desk switching to the TCF of the ownership place cluster core net of wireless dispatching desk Result notice message;

The TCF of the ownership place cluster core net of wireless dispatching desk receives the instruction switching that the TCF of target cluster core net is sent After successful switching result notification message, path is switched to object set by the TCF of the ownership place cluster core net of wireless dispatching desk The TCF of group's core net arrives wireless dispatching desk again, and the TCF transmission groups of the source cluster core net to wireless dispatching desk exhale release to disappear Breath;

The TCF of the ownership place cluster core net of wireless dispatching desk sends wireless to the TCF of the source cluster core net of wireless dispatching desk Dispatching desk logout message.