CN101860421B - Method and system for realizing uplink takeover of group calling channel - Google Patents

Method and system for realizing uplink takeover of group calling channel Download PDF

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Publication number
CN101860421B
CN101860421B CN201010203894.6A CN201010203894A CN101860421B CN 101860421 B CN101860421 B CN 101860421B CN 201010203894 A CN201010203894 A CN 201010203894A CN 101860421 B CN101860421 B CN 101860421B
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function information
msc
bss
message
uplink
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CN101860421A (en
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张红霞
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2011/075526 priority patent/WO2011157198A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/563—User guidance or feature selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5081—Inform conference party of participants, e.g. of change of participants
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a method and a system for realizing uplink takeover of a group calling channel. The method comprises: in the group calling uplink channel takeover process, after determining that a mobile station (MS) takes over the uplink channel, the mobile station (MS) returns self function information back to a base station subsystem (BSS); each BSS administered by a mobile management center (MSC) to which the MS belongs respectively forwards received MS function information to an anchor MSC; and the anchor MSC sends the function information of a chosen new speaker to all mobile service users and dispatchers in group calling. The method of the invention causes MSC to obtain the function information of MC taken over by the uplink channel initiating group calling under BBS administered by MSC; MSC sends the function information of the new chosen speaker to all mobile service users and dispatchers to ensure that the mobile service users and dispatchers accurately obtain the accountability information of the current speaker so as to specify whether the presentation of the speaker is required to listen to according to the accountability information of the new speaker.

Description

Realize the method and system that group calling channel uplink is seized
Technical field
The present invention relates to voice group call service (VGCS) technology in GSM-R, espespecially a kind ofly realize the method and system that group calling channel uplink is seized.
Background technology
Railway GSM (GSM-R, GSM for Railways) is the comprehensive special digital mobile communication system designing for railway communication specially.The infrastructure of GSM-R based on GSM and the voice scheduling business (ASCI) providing thereof, the multipriority that comprises enhancing preempts and tolls breakdown (eMLPP), voice group call service (VGCS) and voice broadcast service (VBS); And provide railway distinctive dispatching services, comprise functional addressing, function expression, access matrix and location-based addressing; And using this as informatization platform, make the user of railway interests can on this information platform, develop different kinds of railways application.
GSM-R system retains the basic structure of GSM, also needs one for storing the register of group calling attribute, to realize network function simultaneously, and this register is called Group Call Register (GCR).In fact GCR is equivalent to a database, the information of storing relevant voice group call service.GCR is regarded as a new network node, can be arranged on the PABX (PABX being directly connected with mobile management center (MSC), PrivateAutomatic Branch Exchange), in, also can be arranged in MSC, or as the part of HLR.
Voice group call service (VGCS, Voice Group Call Service, also referred to as group calling) is a kind of telecommunication service.Group-calling service has defined a kind of by many ways participating in (GSM travelling carriage or fixed line), the point-to-multipoint voice communication mode that wherein some people can talk, in many ways listen to.A group function code for VGCS business (group ID) just can be exhaled the member of all these groups, the mobile subscriber who participates in same VGCS communication can be distributed in a plurality of cellular cells, in addition, VGCS also supporting business user realize the transformation between speaker and hearer's identity.VGCS business has broken through the limitation of point-to-point communication, can with simple and direct mode set up group calling, realize the specific functions such as dispatch control, emergency notice, be particularly useful for the train traffic control traffic department of railway.
In VGCS, there are several concepts:
Group call region, is pre-defined by service provider.Group call region is by having distributed VGCS business Yi Ge community or cluster community to form.A group call region may comprise a more than MSC territory and a more than network Zhong community.Group calling controlling MSC is that certain voice group call service is carried out to total MSC administering and maintaining, also referred to as anchor MSC.The group call cell that does not belong to controlling MSC is administered and maintained by group calling relay MSC.As shown in Figure 1, Fig. 1 is existing GSM-R core network architecture schematic diagram.
The member who includes two kinds of identity in VGCS business is dispatcher and mobile service user.Wherein, dispatcher can be mobile subscriber, can be also fixed network user (such as ISDN terminal user), and dispatcher uses a pair of dedicated channel separately, and any dispatcher can talk at any time, and mobile dispatcher can be in group call region.In a group calling, can there be at most 5 dispatchers, also can not have.
Mobile service user refers to the mobile subscriber of signing some group ID, and all mobile service users only take a Traffic Channel in the middle of group calling is carried out, and can only have at one time a mobile service user speech, and mobile service user must be in group call region.
Dispatcher, except hearing the sound of oneself, can also hear other proprietary speeches; The service-user of listening to can be heard proprietary sound.Dispatcher allows to talk at any time and without transmission, wants the signal of speech, and wants the service-user of speaking must first send the signal of wanting speech.
Calling subscriber can stipulate to send to dispatcher's information when calling out initiation.This information sends to network as promoter to dispatcher's information, is carried in call setup message, issues dispatcher by network using this information as User to User Signaling 1 (UUS1).For general call setup, this information has identical restriction with the UUS1 information that is used in point to point call foundation.
Fig. 2 is that existing domestic consumer group calling channel uplink is seized schematic flow sheet, as shown in Figure 2, comprises the following steps:
Step 200: base station sub-system (BSS) sent uplink idle message (UPLINK_FREE) in upper all mobile service person's cycles in group calling of quick access control channel (FACCH, Fast AssociatedControl Channel).
Step 201: travelling carriage (MS) will be seized up channel sends request and takies up channel (UPLINK_ACCESS) message to BSS in the up link of group calling channel.
Step 202:BSS sends up channel request (UPLINK_REQUEST) message to anchor MSC (being assumed to be MSC-A here).
After step 203:BSS judgement uplink idle, directly to travelling carriage (MS), return to up channel and take confirmation (VGCS_UPLINK_GRANT) message.MS receives after this message, can start speech.
Step 204:BSS, in busy (UPLINK_BUSY) message of descending transmission up channel of group-calling channel, notifies the current up channel of all MS in this BSS compass of competency busy.
Step 205: the MS that receives VGCS_UPLINK_GRANT message confirms self to rob to account for after up channel, to BSS, send the up channel request of seizing (SABM (L3msg)) message, SABM (L3msg) message is layer two link establishment and layer three message, in this SABM (L3msg) message, carry this MS sign, can be international mobile subscriber identity (IMSI), international mobile subscriber software version number (IMEISV, International Mobile Equipment Identity Software Version) or International Mobile Equipment Identity code (IMEI, International Mobile Equipment Identity).
The MS that step 206:BSS seizes up channel to request sends unnumbered acknowledge (UA (L3msg)) message, and this message is that layer two link establishment are confirmed and layer three message (comprising the response of contention resolution information).
Step 207: anchor MSC, after selecting suitable speaker, confirms (UPLINK_REQUEST_ACKNOWLEDGE) message to every trade in the BSS transmission of its administration to request, represents up taking successfully.
In this step, due to more than one of the BSS of anchor MSC administration, therefore may in a plurality of BSS, rob in the MS that accounts for up channel and select a MS as current speaker, such as can be according to priority level, or other alternative condition setting in advance is selected, specific implementation belongs to those skilled in the art Gongzhi technology, repeats no more here.
Step 208: anchor MSC sends up channel occupied (UPLINK_SEIZED_CMD) message to other BSS (except the BSS at new speaker place) of self administration, anchor MSC sends up channel occupied (FORWARD_GROUP CALL_SIGNALLING (uplink seizedcommand)) message to relay MSC (MSC-R), and informing uplink is occupied.
Step 209:BSS sends upstream request to anchor MSC and confirms (UPLINK_REQUEST_CONFIRM) message, carries mobile user identification in UPLINK_REQUEST_CONFIRM, and user ID can be IMSI, IMEISV or IMEI.
Step 210～step 211: anchor MSC is according to the mobile user identification in UPLINK_REQUEST_CONFIRM message, access VLR obtains VGCS additional information, be new speaker's mobile user comprehensive service digital net (MSISDN) number, and new speaker's MSISDN is sent to all relay MSC (MSC-R) by FORWARD_GROUPCALL_SIGNALLING (additional info) message.
Step 212: anchor MSC sends VGCS additional information (VGCS_ADD_INFO) message to the BSS of all its administrations, wherein carries new speaker's MSISDN.
Step 213:BSS broadcasts ADD_INFO message to all hearers, comprising the additional information obtaining from anchor MSC, is new speaker's MSISDN.
Fig. 3 is that existing preferential, emergency user group calling channel uplink is seized schematic flow sheet, and the flow process shown in Fig. 3 is busy either way applicable at uplink idle and up link, as shown in Figure 3, comprising:
When step 300:MS will seize up channel, in the up link of group calling channel, to BSS, send request and take up channel message (UPLINK_ACCESS).
Step 301:BSS returns to up channel to MS and takies confirmation (VGCS_UPLINK_GRANT) message, and MS receives after this message, can start speech.
Step 302:BSS is in busy (UPLINK_BUSY) message of descending transmission up channel of group-calling channel, the caller priority carrying in UPLINK_BUSY is new speaker's priority (preferential or urgent), notifies the current up channel of all MS in this BSS compass of competency busy.
Step 303: the MS that receives VGCS_UPLINK_GRANT message confirms self to rob to account for up channel, to BSS, send SABM (L3msg) message, this message be layer two link establishment and and layer three message, the mobile user identification that carries this MS in SABM (L3msg) message can be IMSI, IMEISV or IMEI.
The MS that step 304:BSS seizes up channel to request sends UA (L3msg) message, and this message is that layer two link establishment are confirmed and layer three message (comprising the response of contention resolution information).
Step 305:BSS sends up channel request (UPLINK_REQUEST) message to anchor MSC (MSC-A), in UPLINK_REQUEST message, carries mobile user identification, can be IMSI, IMEISV or IMEI.
Step 306～step 307: anchor MSC checks the relevant information that new speaker is signing, and the VGCS additional information that obtains new speaker from VLR is as MSISDN.At anchor MSC, select after suitable speaker, to BSS, send up channel request and confirm (UPLINK_REQUEST_ACKNOWLEDGE) message, represent up taking successfully, wherein carry new speaker's sign (speaker's MSISDN).
Step 308: anchor MSC sends up channel occupied (UPLINK_SEIZED_CMD) message to other BSS (except sending the BSS of up channel request message UPLINK_REQUEST) of self administration, carries new speaker's additional information (such as new speaker's MSISDN) in UPLINK_SEIZED_CMD message.Anchor MSC sends the occupied message FORWARD_GROUP CALL_SIGNALLING of up channel (uplink seized command to relay MSC (MSC-R), TalkerPriority, add info) message, wherein, uplink seized command represents that up channel is occupied, caller priority (Talker Priority) is new speaker's priority (emergency subscriber or privileged subscriber), additional information (add info) can be MSISDN, and informing uplink is taken by new speaker.
Step 309: anchor MSC sends VGCS_ADD_INFO message to BSS, wherein carries new speaker's additional information, such as new speaker's MSISDN.
It should be noted that, if new speaker's additional information is issued this BSS by UPLINK_REQUEST_ACKNOWLEDGE message or UPLINK_REJECT_CMD message or UPLINK_SEIZED_CMD message, anchor MSC no longer needs to send VGCS_ADD_INFO message to BSS.
Step 310:BSS broadcasts ADD_INFO message to all hearers, wherein carries from the additional information of anchor MSC acquisition as new speaker's MSISDN.
It should be noted that, if additional information was broadcasted to hearer by UPLINK_BUSY message, BSS no longer needs to broadcast by ADD_INFO message again.
The flow process of seizing from existing group calling channel uplink can find out, network side can send to all hearers current speaker's MSISDN, but hearer cannot accurately be known current speaker's function, thereby can not the clear and definite speech that whether needs to listen to current speaker.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system that group calling channel uplink is seized that realize, and can allow hearer accurately know current speaker's function, thus the clear and definite speech that whether needs to listen to current speaker.
For achieving the above object, technical scheme of the present invention is achieved in that
Realize the method that group calling channel uplink is seized, comprising:
In group call uplink channel preemption processes, mobile station MS is confirmed self to rob and is accounted for after up channel, and the function information of self is returned to the base station sub-system BSS under this MS;
Each BSS under MS under mobile management center MSC administration is transmitted to anchor MSC by the function information of the MS receiving respectively;
Anchor MSC is handed down to all mobile service users and the dispatcher in group calling by the new speaker's who selects function information.
Described MSWei domestic consumer, or preferential, emergency user.
Described MS returns to base station sub-system BSS by the function information of self and comprises:
Described MS receives that up channel that BSS returns takies and confirms after VGCS_UPLINK_GRANT message, sends the message that comprises self function information to described BSS.
The described message that comprises self function information is that up channel is seized request SABM message;
In described SABM message, increase newly for carrying the parameter of speaker's function information.
Under described MS, MSC is anchor MSC; Described each BSS is transmitted to the function information of the MS receiving respectively described anchor MSC;
Or,
Under described MS, MSC is relay MSC, and described each BSS is transmitted to described relay MSC by the function information of the MS receiving respectively, and described relay MSC is transmitted to anchor MSC again.
Described each BSS is transmitted to anchor MSC by the function information of the MS receiving respectively and comprises:
Described BSS is by up channel request UPLINK_REQUEST message, or upstream request confirmation UPLINK_REQUEST_CONFIRM message, and the function information of described MS is transmitted to anchor MSC;
Described UPLINK_REQUEST message, or in UPLINK_REQUEST_CONFIRM message, increase newly for carrying the parameter of speaker's function information.
All mobile service users that described anchor MSC is handed down to the new speaker's who selects function information in group calling comprise:
Described anchor MSC obtains the function information of described MS from BSS or relay MSC, and after selecting suitable new speaker, by the new speaker's who selects function information, by group-calling service additional information VGCS_ADD_INFO message, or up link takies order uplink seized command, or up channel request confirms that UPLINK_REQUEST_ACKNOWLEDGE message or up channel refusal order UPLINK_REJECT_CMD are handed down to the BSS at all mobile service users place, or via relay MSC, be handed down to the BSS at all mobile service users place;
Described BSS is handed down to the MS in this group calling by the new speaker's who receives function information.
Described anchor MSC sends all dispatcher to user profile UUS by new speaker's function information by user.
Described newly-increased parameter is the form of UUS information;
Described function information is follow-me function number.
The method also comprises: described MS is converted to the new speaker's who obtains function information character and shows.
Realize the system that group calling channel uplink is seized, at least comprise MS, BSS and anchor MSC, wherein,
MS, in group call uplink channel preemption processes, confirms self to rob and accounts for after up channel, and the function information of self is returned to the BSS under self; Reception is from the new speaker's of affiliated BSS function information;
BSS, for the function information of the MS receiving being transmitted to the anchor MSC under self, is maybe transmitted to the function information of the MS receiving the relay MSC under self, and relay MSC is transmitted to anchor MSC again; The function information of new speaker from anchor MSC is handed down to administered MS;
Anchor MSC, for being handed down to administered BSS by the new speaker's who selects function information.
Described anchor MSC, is further used for the new speaker's who selects function information to be handed down to all relay MSC.
Described MS, is further used for the new speaker's who obtains function information be converted to character and show.
The technical scheme providing from the invention described above can find out, in group call uplink channel preemption processes, MS confirms self to rob to account for after up channel, and the function information of self is returned to the BSS under this MS; Each BSS under MS under MSC administration is transmitted to anchor MSC by the function information of the MS receiving respectively; Anchor MSC is handed down to all mobile service users and the dispatcher in group calling by the new speaker's who selects function information.By the inventive method, make MSC obtain the function information of the MS that the initiation group call uplink channel under the BBS of its administration seizes; MSC issues all mobile service users and dispatcher by selected new speaker's function information again, make these mobile services user and dispatcher accurately know current speaker's functional information, thereby whether need to listen to its speech according to new speaker's functional information is clear and definite.
Accompanying drawing explanation
Fig. 1 is existing GSM-R core network architecture schematic diagram;
Fig. 2 is that existing domestic consumer group calling channel uplink is seized schematic flow sheet;
Fig. 3 is that existing preferential, emergency user group calling channel uplink is seized schematic flow sheet;
Fig. 4 is the flow chart that the present invention realizes the method that group calling channel uplink seizes;
Fig. 5 is the composition structural representation that the present invention realizes the system that group calling channel uplink seizes;
Tu6Wei domestic consumer of the present invention group calling channel uplink is seized the schematic flow sheet of embodiment;
Fig. 7 is the schematic flow sheet that the present invention is preferential, emergency user group calling channel uplink is seized embodiment.
Tu8Wei domestic consumer of the present invention carries out the schematic flow sheet that group calling channel uplink is seized embodiment in relay MSC;
Fig. 9 is that the present invention is preferential, emergency user is carried out the schematic flow sheet that group calling channel uplink is seized embodiment in relay MSC.
Embodiment
Fig. 4 is the flow chart that the present invention realizes the method that group calling channel uplink seizes, and as shown in Figure 4, comprises the following steps:
Step 400: in group call uplink channel preemption processes, MS confirms self to rob and accounts for after up channel, returns to the BSS under this MS by the function information of self.
This step is specially: in group call uplink channel preemption processes, MS receives that the up channel that BSS returns takies after confirmation (VGCS_UPLINK_GRANT) message, sends the message comprise self function information to BSS.Here, the message that comprises function information can be SABM message, such as increasing newly in SABM message for carrying the parameter of speaker's function information.Wherein function information, for showing speaker's function, such as vehicle commander, common staff etc., can represent by the follow-me function number setting in advance.
Each BSS under step 401:MS under MSC administration, is transmitted to anchor MSC by the function information of the MS receiving respectively.
In this step, BSS receives after the message of the function information that comprises speaker, the function information of this MS is transmitted to the MSC (anchor MSC or relay MSC) of its ownership.Here, BSS is the BSS under anchor MSC or relay MSC administration, may comprise one or more.Specifically:
If MSC is anchor MSC under MS, each BSS under MSC administration under MS, is directly transmitted to anchor MSC by the function information of the MS receiving respectively so; If MSC is relay MSC under MS, each BSS under MSC administration under MS, is transmitted to relay MSC by the function information of the MS receiving respectively so, and relay MSC is transmitted to anchor MSC again.
BSS can be by up channel request (UPLINK_REQUEST) message, or upstream request confirms (UPLINK_REQUEST_CONFIRM) message, and the MSC that speaker's function information is transmitted to its ownership is anchor MSC or relay MSC.If first relay MSC has obtained speaker's function information, need to be transmitted to anchor MSC.
Step 402: anchor MSC is handed down to all mobile service users and the dispatcher in group calling by the new speaker's who selects function information.
In this step, anchor MSC obtains speaker's function information from BSS or relay MSC, and after selecting suitable new speaker, the BSS that the function information of the new speaker MS selecting is handed down to all mobile service users place is (if mobile service user is under relay MSC, anchor MSC issues after relay MSC, by relay MSC, be transmitted to again the BSS at mobile service user place), and BSS is handed down to the MS in this group calling by the new speaker's who receives function information.
Anchor MSC is by group-calling service additional information (VGCS_ADD_INFO) message, or up link takies order (uplink seized command), or up channel request confirmation (UPLINK_REQUEST_ACKNOWLEDGE) or up channel refusal order (UPLINK_REJECT_CMD) message, the new speaker's who is selected function information sends to the BSS at all mobile service user hearers place; Anchor MSC sends all dispatcher to user profile (UUS) by new speaker's function information by user.
The inventive method further comprises: MS adopts existing recognition function, and the new speaker's who obtains function information is converted to character and shows.
For the inventive method, a kind of system that group calling channel uplink is seized that realizes is also provided, as shown in Figure 5, at least comprise MS, BSS and anchor MSC, wherein,
MS, in group call uplink channel preemption processes, confirms self to rob and accounts for after up channel, and the function information of self is returned to the BSS under self; Reception is from the new speaker's of affiliated BSS function information.
BSS, for the function information of the MS receiving being transmitted to the anchor MSC under self, is maybe transmitted to the function information of the MS receiving the relay MSC under self, and relay MSC is transmitted to anchor MSC again; The function information of new speaker from anchor MSC is handed down to administered MS.
Anchor MSC, for being handed down to administered BSS by the new speaker's who selects function information.Be further used for the new speaker's who selects function information to be handed down to all relay MSC.
MS, is further used for adopting existing recognition function, and the new speaker's who obtains function information is converted to character and shows.
Below in conjunction with embodiment, the inventive method is described in detail.
Tu6Wei domestic consumer of the present invention group calling channel uplink is seized the schematic flow sheet of embodiment, and as shown in Figure 6, specific implementation comprises the following steps:
Step 600:BSS sends uplink idle (UPLINK_FREE) message to all mobile service person's cycles in group calling on FACCH channel.
Step 601:MS will seize up channel, in the up link of group calling channel, to BSS, sends request and takies up channel (UPLINK_ACCESS) message.
Step 602:BSS sends up channel request (UPLINK_REQUEST) message to anchor MSC (being assumed to be MSC-A here).
After step 603:BSS judgement uplink idle, directly to MS, return to up channel and take confirmation (VGCS_UPLINK_GRANT) message.MS receives after this message, can start speech.
Step 604:BSS is in busy (UPLINK_BUSY) message of the descending transmission up channel of group-calling channel, notifies the current up channel of all MS in self compass of competency busy.
Step 605: the MS that receives VGCS_UPLINK_GRANT message confirms self to rob to account for after up channel, to BSS, send the up channel request of seizing (SABM (L3msg)) message, SABM (L3msg) message is layer two link establishment and layer three message.
In this step, in SABM (L3msg) message, except carrying this MS, identify, as international mobile subscriber identity (IMSI), international mobile subscriber software version number (IMEISV, International MobileEquipment Identity Software Version) or International Mobile Equipment Identity code (IMEI, InternationalMobile Equipment Identity); Also by newly-increased parameter, carry the function information of this speaker (this MS), as this speaker's follow-me function number etc.This newly-increased parameter can be the form of UUS information, about the form of UUS information, belongs to the familiar form of those skilled in the art, and its specific implementation repeats no more here.
The MS that step 606:BSS seizes up channel to request sends unnumbered acknowledge (UA (L3msg)) message, and this message is that layer two link establishment are confirmed and layer three message (comprising the response of contention resolution information).
Step 607: anchor MSC, after selecting suitable speaker, sends up channel request to the BSS of the initiation up channel request of its administration and confirms (UPLINK_REQUEST_ACKNOWLEDGE) message, represents up taking successfully.
In this step, due to more than one of the BSS of anchor MSC administration, therefore may in a plurality of BSS, rob in the MS that accounts for up channel and select a MS as current speaker, such as can be according to priority level, or other alternative condition setting in advance is selected, specific implementation belongs to those skilled in the art Gongzhi technology, repeats no more here.
Step 608: anchor MSC sends up channel occupied (UPLINK_SEIZED_CMD) message to other BSS (except the BSS at new speaker place) of self administration, anchor MSC sends FORWARD_GROUP CALL_SIGNALLING (uplink seized command) message to relay MSC (MSC-R), and informing uplink is occupied.
Step 609:BSS sends upstream request to anchor MSC and confirms (UPLINK_REQUEST_CONFIRM) message, in UPLINK_REQUEST_CONFIRM except carrying mobile user identification, as IMSI, IMEISV or IMEI; Also by newly-increased parameter, carry new speaker's function information, as this speaker's follow-me function number etc.This newly-increased parameter can be the form of UUS information.
Step 610: anchor MSC by FORWARD_GROUP CALL_SIGNALLING (additional info) message, sends to all relay MSC (MSC-R) by the new speaker's who carries in UPLINK_REQUEST_CONFIRM message function information.
Anchor MSC brings all dispatchers by UUS information new speaker's follow-me function number.
Step 611: anchor MSC sends VGCS additional information (VGCS_ADD_INFO) message to the BSS of all its administrations, wherein carries new speaker's function information.
Step 612:BSS broadcasts ADD_INFO message to all hearers, comprising the additional information obtaining from anchor MSC, is new speaker's function information.
Fig. 7 is the schematic flow sheet that the present invention is preferential, emergency user group calling channel uplink is seized embodiment, and the flow process shown in Fig. 7 is busy either way applicable at uplink idle and up link, and as shown in Figure 7, specific implementation comprises the following steps:
When step 700:MS will seize up channel, in the up link of group calling channel, to BSS, send request and take up channel message (UPLINK_ACCESS).
Step 701:BSS returns to up channel to MS and takies confirmation (VGCS_UPLINK_GRANT) message, and MS receives after this message, can start speech.
Step 702:BSS is in busy (UPLINK_BUSY) message of descending transmission up channel of group-calling channel, the caller priority carrying in UPLINK_BUSY is new speaker's priority (preferential or urgent), notifies the current up channel of all MS in this BSS compass of competency busy.
Step 703: the MS that receives VGCS_UPLINK_GRANT message confirms self to rob to account for up channel, to BSS, send SABM (L3msg) message, this message be layer two link establishment and and layer three message, in SABM (L3msg) message except carrying the mobile user identification of this MS, as IMSI, IMEISV or IMEI; Also by newly-increased parameter, carry new speaker's function information, as this speaker's follow-me function number etc.This newly-increased parameter can be the form of UUS information.
The MS that step 704:BSS seizes up channel to request sends UA (L3msg) message, and this message is that layer two link establishment are confirmed and layer three message (comprising the response of contention resolution information).
Step 705:BSS sends up channel request (UPLINK_REQUEST) message to anchor MSC (MSC-A), in this step, BSS is by the new speaker's who obtains the SABM message from from MS function information, and the newly-increased parameter by UPLINK_REQUEST message, passes to anchor MSC.Newly-increased parameter in UPLINK_REQUEST message can be the form of UUS information.
Step 706～step 707: anchor MSC checks the relevant information that new speaker is signing.At anchor MSC, select after suitable speaker, send up channel request confirm (UPLINK_REQUEST_ACKNOWLEDGE) message to BSS, represent up taking successfully, the function information that wherein carries new speaker is as follow-me function number.
Step 708: anchor MSC sends up channel occupied (UPLINK_SEIZED_CMD) message to other BSS (except sending the BSS of up channel request message UPLINK_REQUEST) of self administration, carries new speaker's function information in UPLINK_SEIZED_CMD message.Anchor MSC sends FORWARD_GROUP CALL_SIGNALLING (uplinkseized command to relay MSC (MSC-R), Talker Priority, add info) message, wherein Talker Priority is new speaker's priority (emergency subscriber or privileged subscriber), add info is new speaker's function information, and informing uplink is taken by new speaker.
Step 709: anchor MSC sends VGCS_ADD_INFO message to BSS, wherein carries new speaker's additional information, such as new speaker's function information.
It should be noted that, if new speaker's function information is issued this BSS by UPLINK_REQUEST_ACKNOWLEDGE message, UPLINK_REJECT_CMD message or UPLINK_SEIZED_CMD message, anchor MSC no longer needs to send VGCS_ADD_INFO message to this BSS.
Step 710:BSS broadcasts ADD_INFO message to all hearers, wherein carries from the additional information of anchor MSC acquisition as new speaker's function information.
It should be noted that, if new speaker's function information was broadcasted to hearer by UPLINK_BUSY message, BSS no longer needs to broadcast by ADD_INFO message again.
Tu8Wei domestic consumer of the present invention carries out the schematic flow sheet that group calling channel uplink is seized embodiment in relay MSC, and as shown in Figure 8, specific implementation comprises the following steps:
Step 800:BSS sends uplink idle (UPLINK_FREE) message to all mobile service person's cycles in group calling on FACCH channel.
Step 801:MS will seize up channel, in the up link of group calling channel, to BSS, sends request and takies up channel (UPLINK_ACCESS) message.
Step 802:BSS sends up channel request (UPLINK_REQUEST) message to relay MSC (being assumed to be MSC-R here).
Step 803: relay MSC forwards up channel request (UPLINK_REQUEST) message to anchor MSC.
After step 804:BSS judgement uplink idle, directly to MS, return to up channel and take confirmation (VGCS_UPLINK_GRANT) message.MS receives after this message, can start speech.
Step 805:BSS is in busy (UPLINK_BUSY) message of the descending transmission up channel of group-calling channel, notifies the current up channel of all MS in self compass of competency busy.
Step 806: the MS that receives VGCS_UPLINK_GRANT message confirms self to rob to account for after up channel, to BSS, send the up channel request of seizing (SABM (L3msg)) message, SABM (L3msg) message is layer two link establishment and layer three message.
In this step, in SABM (L3msg) message, except carrying this MS, identify, as international mobile subscriber identity (IMSI), international mobile subscriber software version number (IMEISV, International MobileEquipment Identity Software Version) or International Mobile Equipment Identity code (IMEI, InternationalMobile Equipment Identity); Also by newly-increased parameter, carry the function information of this speaker (this MS), as this speaker's follow-me function number etc.This newly-increased parameter can be the form of UUS information, about the form of UUS information, belongs to the familiar form of those skilled in the art, and its specific implementation repeats no more here.
The MS that step 807:BSS seizes up channel to request sends unnumbered acknowledge (UA (L3msg)) message, and this message is that layer two link establishment are confirmed and layer three message (comprising the response of contention resolution information).
Step 808: anchor MSC, after selecting suitable speaker, sends up channel request to the relay MSC of initiating up channel request and confirms (UPLINK_REQUEST_ACKNOWLEDGE) message, represents up taking successfully.Anchor MSC sends up channel occupied (UPLINK_SEIZED_CMD) message to the BSS of self administration, anchor MSC sends FORWARD_GROUP CALL_SIGNALLING (uplink seized command) message to other relay MSC (MSC-R), and informing uplink is occupied.
In this step, because more than one of the BSS of anchor MSC administration, relay MSC are more than one, therefore may in seizing the MS of up channel, select a MS as current speaker, such as can be according to priority level, or other alternative condition setting in advance is selected, specific implementation belongs to those skilled in the art Gongzhi technology, repeats no more here.
Step 809: relay MSC sends up channel request confirmation (UPLINK_REQUEST_ACKNOWLEDGE) message to the BSS of the initiation up channel request of its administration, represents up taking successfully.
Step 810:BSS sends upstream request to relay MSC and confirms (UPLINK_REQUEST_CONFIRM) message, in UPLINK_REQUEST_CONFIRM except carrying mobile user identification, as IMSI, IMEISV or IMEI; Also by newly-increased parameter, carry new speaker's function information, as this speaker's follow-me function number etc.This newly-increased parameter can be the form of UUS information.
Step 811: relay MSC by PROCESS_GROUP CALL_SIGNALLING (additional info) message, sends to anchor MSC (MSC-A) by the new speaker's who carries in UPLINK_REQUEST_CONFIRM message function information.
Anchor MSC brings all dispatchers by UUS information new speaker's follow-me function number.
Anchor MSC sends VGCS additional information (VGCS_ADD_INFO) message to the BSS of all its administrations, wherein carries new speaker's function information.Anchor MSC sends FORWARD_GROUP CALL_SIGNALLING (additional info) message to other relay MSC (MSC-R), wherein carries new speaker's function information.
Step 812: relay MSC sends VGCS additional information (VGCS_ADD_INFO) message to the BSS of all its administrations, wherein carries new speaker's function information.
Step 813:BSS receives after VGCS additional information (VGCS_ADD_INFO) message of relay MSC, to all hearers, broadcasts ADD_INFO message, is new speaker's function information comprising additional information.
Fig. 9 is that the present invention is preferential, emergency user is carried out the schematic flow sheet that group calling channel uplink is seized embodiment in relay MSC, flow process shown in Fig. 9 is busy either way applicable at uplink idle and up link, as shown in Figure 9, specific implementation comprises the following steps:
When step 900:MS will seize up channel, in the up link of group calling channel, to BSS, send request and take up channel message (UPLINK_ACCESS).
Step 901:BSS returns to up channel to MS and takies confirmation (VGCS_UPLINK_GRANT) message, and MS receives after this message, can start speech.
Step 902:BSS is in busy (UPLINK_BUSY) message of descending transmission up channel of group-calling channel, the caller priority carrying in UPLINK_BUSY is new speaker's priority (preferential or urgent), notifies the current up channel of all MS in this BSS compass of competency busy.
Step 903: the MS that receives VGCS_UPLINK_GRANT message confirms self to rob to account for up channel, to BSS, send SABM (L3msg) message, this message be layer two link establishment and and layer three message, in SABM (L3msg) message except carrying the mobile user identification of this MS, as IMSI, IMEISV or IMEI; Also by newly-increased parameter, carry new speaker's function information, as this speaker's follow-me function number etc.This newly-increased parameter can be the form of UUS information.
The MS that step 904:BSS seizes up channel to request sends UA (L3msg) message, and this message is that layer two link establishment are confirmed and layer three message (comprising the response of contention resolution information).
Step 905:BSS sends up channel request (UPLINK_REQUEST) message to relay MSC (MSC-R), in this step, BSS is by the new speaker's who obtains the SABM message from from MS function information, newly-increased parameter by UPLINK_REQUEST message, passes to anchor MSC.Newly-increased parameter in UPLINK_REQUEST message can be the form of UUS information.
Step 906: relay MSC checks the signing relevant information of speaker.
Step 907～step 908: relay MSC sends uplink requests message and VGCS additional information PROCESS_GROUP_CALL_SIGNALLING (uplink request to anchor MSC, Talker Priority, add info), wherein VGCS additional information add info carries new speaker's function information.
Anchor MSC selects after suitable speaker, to the relay MSC of initiating up channel request, send up channel request acknowledgement message FORWARD_GROUP_CALL_SIGNALLING (uplink request ack, Talker Priority, add info), represent up taking successfully, wherein Talker Priority is new speaker's priority (emergency subscriber or privileged subscriber), and add info carries new speaker's function information (as: follow-me function number).Anchor MSC sends the occupied message of up channel (UPLINK_SEIZED_CMD) to all BSS and other relay MSC of its administration simultaneously, wherein carries new speaker's function information (as: follow-me function number).
Step 909: relay MSC is received after the up channel request acknowledgement message of anchor MSC, sends up channel request acknowledgement message, wherein carries new speaker's function information to the BSS that sends up channel request.
Relay MSC sends up channel occupied (UPLINK_SEIZED_CMD) message to other BSS (except sending the BSS of up channel request message UPLINK_REQUEST) of self administration, carries new speaker's function information in UPLINK_SEIZED_CMD message.
Step 910: relay MSC sends VGCS_ADD_INFO message to BSS, wherein carries new speaker's additional information, such as new speaker's function information.
It should be noted that, if new speaker's function information is issued this BSS by UPLINK_REQUEST_ACKNOWLEDGE message or UPLINK_REJECT_CMD message or UPLINK_SEIZED_CMD message, relay MSC no longer needs to send VGCS_ADD_INFO message to this BSS.
Step 911:BSS broadcasts ADD_INFO message to all hearers, wherein carries from the additional information of relay MSC acquisition as new speaker's function information.
It should be noted that, if new speaker's function information was broadcasted to hearer by UPLINK_BUSY message, BSS no longer needs to broadcast by ADD_INFO message again.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.

Claims (13)

1. realize the method that group calling channel uplink is seized, it is characterized in that, comprising:
In group call uplink channel preemption processes, mobile station MS is confirmed self to rob and is accounted for after up channel, and the function information of self is returned to the base station sub-system BSS under this MS;
Each BSS under MS under mobile management center MSC administration is transmitted to anchor MSC by the function information of the MS receiving respectively;
Anchor MSC is handed down to all mobile service users and the dispatcher in group calling by the new speaker's who selects function information;
Described function information is for showing speaker's function, and described function information represents by the follow-me function number setting in advance.
2. method according to claim 1, is characterized in that, described MSWei domestic consumer, or preferential, emergency user.
3. method according to claim 1, is characterized in that, described MS returns to base station sub-system BSS by the function information of self and comprises:
Described MS receives that up channel that BSS returns takies and confirms after VGCS_UPLINK_GRANT message, sends the message that comprises self function information to described BSS.
4. method according to claim 3, is characterized in that, described in comprise self function information message be that up channel is seized request SABM message;
In described SABM message, increase newly for carrying the parameter of speaker's function information.
5. method according to claim 1, is characterized in that, under described MS, MSC is anchor MSC; Described each BSS is transmitted to the function information of the MS receiving respectively described anchor MSC;
Or,
Under described MS, MSC is relay MSC, and described each BSS is transmitted to described relay MSC by the function information of the MS receiving respectively, and described relay MSC is transmitted to anchor MSC again.
6. method according to claim 5, is characterized in that, described each BSS is transmitted to anchor MSC by the function information of the MS receiving respectively and comprises:
Described BSS is by up channel request UPLINK_REQUEST message, or upstream request confirmation UPLINK_REQUEST_CONFIRM message, and the function information of described MS is transmitted to anchor MSC;
Described UPLINK_REQUEST message, or in UPLINK_REQUEST_CONFIRM message, increase newly for carrying the parameter of speaker's function information.
7. method according to claim 5, is characterized in that, all mobile service users that described anchor MSC is handed down to the new speaker's who selects function information in group calling comprise:
Described anchor MSC obtains the function information of described MS from BSS or relay MSC, and after selecting suitable new speaker, by the new speaker's who selects function information, by group-calling service additional information VGCS_ADD_INFO message, or up link takies order uplink seized command, or up channel request confirms that UPLINK_REQUEST_ACKNOWLEDGE message or up channel refusal order UPLINK_REJECT_CMD are handed down to the BSS at all mobile service users place, or via relay MSC, be handed down to the BSS at all mobile service users place;
Described BSS is handed down to the MS in this group calling by the new speaker's who receives function information.
8. method according to claim 7, is characterized in that, described anchor MSC sends to all dispatcher to user profile UUS by new speaker's function information by user.
9. according to the method described in claim 4 or 6, it is characterized in that, described newly-increased parameter is the form of user to user profile;
Described function information is follow-me function number.
10. according to the method described in claim 1～8 any one, it is characterized in that, the method also comprises: described MS is converted to the new speaker's who obtains function information character and shows.
Realize the system that group calling channel uplink is seized for 11. 1 kinds, it is characterized in that, at least comprise mobile station MS, base station sub-system BSS and anchor mobile management center MSC, wherein,
MS, in group call uplink channel preemption processes, confirms self to rob and accounts for after up channel, and the function information of self is returned to the BSS under self; Reception is from the new speaker's of affiliated BSS function information;
BSS, for the function information of the MS receiving being transmitted to the anchor MSC under self, is maybe transmitted to the function information of the MS receiving the relay MSC under self, and relay MSC is transmitted to anchor MSC again; The function information of new speaker from anchor MSC is handed down to administered MS;
Anchor MSC, for being handed down to administered BSS by the new speaker's who selects function information;
Described function information is for showing speaker's function, and described function information represents by the follow-me function number setting in advance.
12. systems according to claim 11, is characterized in that, described anchor MSC is further used for the new speaker's who selects function information to be handed down to all relay MSC.
13. according to the system described in claim 11 or 12, it is characterized in that described MS is further used for the new speaker's who obtains function information be converted to character and show.
CN201010203894.6A 2010-06-17 2010-06-17 Method and system for realizing uplink takeover of group calling channel Expired - Fee Related CN101860421B (en)

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