CN101502139B - A fast accessing method in group communication - Google Patents

A fast accessing method in group communication Download PDF

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Publication number
CN101502139B
CN101502139B CN200680055530XA CN200680055530A CN101502139B CN 101502139 B CN101502139 B CN 101502139B CN 200680055530X A CN200680055530X A CN 200680055530XA CN 200680055530 A CN200680055530 A CN 200680055530A CN 101502139 B CN101502139 B CN 101502139B
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user
message
exhales
terminal
group
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CN200680055530XA
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Chinese (zh)
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CN101502139A (en
Inventor
文志刚
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Caltta Technologies Co ltd
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/186—Processing of subscriber group data

Abstract

The present invention comprises a fast accessing method in group communication. The user initials a group call through the terminal. During the call setup procedure, the BS system establishes resource for the user and assigns a service channel for the user; after the calling terminal received the message of assigning service channel, the calling terminal authorizes itself and indicates the user to speak; the calling terminal buffer stores voice message, the BS system establishes service channel for the calling terminal at the same time, and transfers authorization speak message to the calling user if the user is the first calling user in thegroup; after the calling terminal received the authorization speak message, the calling terminal transmits the buffer stored voice message to the BS system, the group call is starting. Furthermore, whether the user is the first calling user can be indicated in the service channel assign message, the calling user determines itself is the first calling user, then authorizes itself and indicates the user to speak. The method of the present invention can improve the speed of call establishment.

Description

A kind of method that in trunking communication, inserts fast
Technical field
The present invention relates to trunked communication system, particularly relate to the call access method of trunked communication system.
Background technology
Trunked communication system based on mobile communication is that cellular telecommunication art and specific schedule communication system are combined, and adopts the communication system of half-duplex operation mode, can realize continuing fast, supports group call (being the method for calling of one-to-many).Such trunked communication system can be widely used in the departments of commanding, scheduling feature is had relatively high expectations such as enterprises and institutions, public security, police and army.
Fig. 1 is the trunked communication system schematic network structure, and colony terminal is connected to base station system by eating dishes without rice or wine, and base station system is communicated by letter with trunking dispatch server by the respective cluster dispatching client, has write down the relevant information of cluster user in the cluster home location register.
Group call is a service feature important in the group system, method by reverse traffic channel before under the sector, sharing, support to the group call of big capacity group among a small circle (group can comprise hundreds of user terminal, and these user terminals all are positioned under among a small circle the sector) is provided.Allow interior all users of single user and group to converse simultaneously, user in the group, except speaking, other people must listen to.
The topmost characteristics of trunking communication are connecting time weak points that requirement is called out, can set up calling fast, traditional communication system based on CDMA technology can realize the group calling function of cluster, as POC (PTTOver the Cellular) technology, but can't satisfy the desired quick access requirement of group system.
Existing trunked call is set up flow process as shown in Figure 2, and as can be seen, the caller colony terminal is to set up at trunked call to finish, and just begins the transmission voice message to system after receiving the cluster authorization messages.And in call establishment, the calling subscriber must wait for.In order to realize the trunking communication requirement of response fast, need transform common call setup flow process and mode, reduce the link of call treatment, shorten call set-up time.
Summary of the invention
The technical problem to be solved in the present invention is, proposes the method that inserts fast in a kind of trunking communication, the speed of can speed call setting up.
In order to solve the problems of the technologies described above, the invention provides a kind of method that in trunking communication, inserts fast, may further comprise the steps:
(a) user initiates trunked call by terminal, and in call establishment, base station system is set up resource for this user, and this user is carried out Traffic Channel Assignment;
(b) after this exhales terminal to receive Traffic Channel Assignment message, give and oneself authorize, the indication user can talk;
(c) this exhales the terminal buffers voice message, and simultaneously, described base station system exhales terminal to set up Traffic Channel for this, finishes subsequent voice calls and sets up process, and this user exhales the user for interior first of group rises as described, rises to this and exhales the terminal forwarding to authorize spoken message;
(d) after this exhales terminal to receive the mandate spoken message, to the voice message of described base station system transmission buffer memory, cluster conversation beginning.
Further, in a preferred embodiment:
In the call establishment of step (a), whether base station system is indicated this user in sending to described user's Traffic Channel Assignment message be that first rises and exhales the user in the group;
In the step (b), described exhale terminal to receive this Traffic Channel Assignment message after, judge according to information wherein first rises and exhales the user in oneself whether organizing, if authorize and point out the user can talk execution in step (c) to own again; Otherwise, do not carry out normal call setup flow process, finish to oneself authorizing and indicating the user to talk.
As from the foregoing, the present invention by in organizing first rise exhale the user to receive channel assignment message after, give and oneself authorize speech, the terminal buffers voice message is set up the flow process parallel processing with the back group calling, shortened the time that trunked call is set up effectively, adopt original technology, trunked call settling time is more than 2 seconds, and adopts method provided by the invention, can shorten to the trunked call time about 1 second, thereby can satisfy the requirement that cluster user inserts fast.
Summary of drawings
Fig. 1 is the trunked communication system schematic network structure;
Fig. 2 is that trunked communication system trunked call of the prior art is set up flow chart;
Fig. 3 is the flow chart of one embodiment of the present of invention.
Better embodiment of the present invention
The quick foundation of the present invention for realizing calling out, after terminal receives the assignment message of base station, judge oneself is that in the group first rises and exhale the user, then authorize speech, rather than wait for the mandate of trunking dispatch server, terminal buffers voice message after waiting all call flows to finish to oneself, after the mandate that receives trunking dispatch server, to aerial transmission voice message, can save call set-up time effectively, improve user's satisfaction.
Trunked communication system with code division multiple access CDMA (access of Code Division Multiple Access code division multiple access) standard is an example below, and the present invention is described in detail in conjunction with the accompanying drawings.
Described trunked call can be group calling or individual calling, and present embodiment is example with the group calling, suppose earlier and has exhaled the user to organize interior first to rise and exhale the user, and call flow may further comprise the steps as shown in Figure 3:
Step 301, cluster user is initiated the group calling request by terminal (rise and exhale colony terminal), and call message is sent to trunking dispatch server by base station system and cluster client end;
This user may be first user who makes a call in the group, also may be initiatively to lag to insert the user.The user who inserts for initiatively lagging then should not authorize speech to oneself.
Step 302, trunking dispatch server sends this user's connection request message to cluster client end, indicates in the message that whether this user is that first rises and exhales the user in the group;
Step 303, cluster client end sends this user's connection request message to base station system, indicates in the message that whether this user is that first rises and exhales the user in the group;
Step 304, base station system is set up the group-calling service channel for this user, and it is carried out Traffic Channel Assignment, indicates that in channel assignment message whether this user is that first rises and exhales the user in the group;
Step 305, rise exhale colony terminal to receive channel assignment message after, can judge according to information wherein oneself is that first rises and exhales the user in the group, authorize to own, and the prompting user can talk while this user's voice message of buffer memory;
Step 306, base station system is carried out the acquisition procedure to terminal, and just the process of setting up of air traffic channels simultaneously, is carried out base station system and the link of cluster client end and the process of setting up of the link between cluster client end and trunking dispatch server;
Step 307, base station system notice cluster client end trunked call is set up and is finished;
Step 308, cluster client end are transmitted trunked call foundation and are finished message to trunking dispatch server;
Step 309, trunking dispatch server is exhaled colony terminal mandate speech to rising, and this message has been transmitted to the colony terminal of exhaling by cluster client end and base station system;
Step 310 rises and exhales colony terminal to trunking dispatch server signalling of bouquet license confirmation message, and this message is transmitted to trunking dispatch server by base station system and cluster client end;
Step 311 rises and exhales the voice message of colony terminal to system's transmission buffer memory, cluster conversation beginning.At this moment certain voice delay time is arranged, but because calling and called are set up process and walked abreast, so time delay is little, after right of speech is switched, with regard to the time delay that does not have to cause owing to buffer memory.
Insert the user if work the user exhale for initiatively lagging, then rise in step 305 and exhale colony terminal to judge oneself not to be in the group first to rise to exhale the user, then terminal to oneself mandate, does not point out the user to talk, and does not carry out follow-up step 309～311 yet.
Need to prove that can be divided into two kinds according to the resource distribution mode of trunked call: first kind of each user's preceding reverse signalling channel is exclusive, shares with the Traffic channel in the sub-district, is called the enhancing group.And all signalings and Traffic channel are all shared in another kind of each sub-district, are called traditional group.To exhale user's the flow process of setting up be consistent but both are for rising, and rises and exhale the user that oneself connection request message and Traffic Channel Assignment message are arranged.Therefore, the present invention is suitable for for traditional group and enhancing group.
For the called subscriber, the present invention can adopt the processing mode of existing procedure.For the enhancing group, can send connection request message to each called subscriber, but, only the BSC at called subscriber place be sent the connection request message of a traditional type for traditional group.Here be not described in detail.
Individual calling can be regarded two people's group calling as, also can adopt above-mentioned call flow.The concrete mode that is aerial Resources allocation may be different.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention; in the group system that is applied to different systems, these change and are out of shape the protection range that all should belong to the appended claim of the present invention accordingly.
Industrial applicibility
The present invention can be applicable to the trunked communication system of the standard such as CDMA, has effectively shortened the time that trunked call is set up, and satisfies the requirement that cluster user inserts fast.

Claims (5)

1. method that inserts fast in trunking communication may further comprise the steps:
(a) user initiates trunked call by terminal, and in call establishment, base station system is set up resource for this user, and this user is carried out Traffic Channel Assignment;
(b) after this exhales terminal to receive Traffic Channel Assignment message, give and oneself authorize, indication user speech;
(c) this exhales the terminal buffers voice message, and simultaneously, described base station system exhales terminal to set up Traffic Channel for this, finishes subsequent voice calls and sets up process, and this user exhales the user for interior first of group rises as described, rises to this and exhales the terminal forwarding to authorize spoken message;
(d) after this exhales terminal to receive the mandate spoken message, to the voice message of described base station system transmission buffer memory, cluster conversation beginning.
2. the method for claim 1 is characterized in that, described trunked call is group calling.
3. the method for claim 1 is characterized in that, described trunked call is an individual calling.
4. the method for claim 1 is characterized in that:
In the call establishment of step (a), whether base station system is indicated this user in sending to described user's Traffic Channel Assignment message be that first rises and exhales the user in the group;
In the step (b), described exhale terminal to receive this Traffic Channel Assignment message after, judge according to information wherein first rises and exhales the user in oneself whether organizing, if authorize and the prompting user talks execution in step (c) to own again; Otherwise, do not carry out normal call setup flow process, finish to oneself authorizing and indication user speech.
5. method as claimed in claim 4 is characterized in that: described step (a) is further divided into following steps:
(a1) cluster user is initiated trunked call by terminal, and call message is sent to trunking dispatch server by base station system and cluster client end;
(a2) trunking dispatch server sends this user's connection request message to cluster client end, indicates in the message that whether this user is that first rises and exhales the user in the group;
(a3) cluster client end sends this user's connection request message to base station system, indicates in the message that whether this user is that first rises and exhales the user in the group;
(a4) base station system is set up the group-calling service channel for this user, and it is carried out Traffic Channel Assignment, indicates that in channel assignment message whether this user is that first rises and exhales the user in the group.
CN200680055530XA 2006-08-24 2006-08-24 A fast accessing method in group communication Expired - Fee Related CN101502139B (en)

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CN101557563B (en) * 2008-04-07 2013-03-20 中兴通讯股份有限公司 Trunking mobile station used for digital trunking communication system and business state processing method thereof
CN110234079A (en) * 2018-03-06 2019-09-13 海能达通信股份有限公司 A kind of important traffic group calling method, server, user equipment and storage device
CN115175201B (en) * 2022-09-08 2022-11-25 中电防务科技有限公司 Satellite mobile communication cluster service and single call service symbiotic method and device

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1585521A (en) * 2004-06-04 2005-02-23 中兴通讯股份有限公司 Controlling method for digital cluster system calling process

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US20040162095A1 (en) * 2003-02-18 2004-08-19 Motorola, Inc. Voice buffering during call setup
US20050143056A1 (en) * 2003-12-31 2005-06-30 Iyer Prakash R. Method and apparatus for providing push-to-talk services in a cellular communication system

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1585521A (en) * 2004-06-04 2005-02-23 中兴通讯股份有限公司 Controlling method for digital cluster system calling process

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