CN101827310B - Method and system for optimizing access delay of unicast group calling push to talk PPT business - Google Patents
Method and system for optimizing access delay of unicast group calling push to talk PPT business Download PDFInfo
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- CN101827310B CN101827310B CN200910118835.6A CN200910118835A CN101827310B CN 101827310 B CN101827310 B CN 101827310B CN 200910118835 A CN200910118835 A CN 200910118835A CN 101827310 B CN101827310 B CN 101827310B
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Abstract
The invention discloses a method and a system for optimizing access delay of a unicast group calling push to talk PPT business based on a mobile network. The method comprises the following steps: only sending group conversation identification obtained from a push to talk PPT server when a mobile terminal initiates unicast group calling, and continuing by the group conversation identification when all members of the group calling respond to the unicast group calling. The invention reduces the calling access delay of empty ports and promotes the feeling of users from the angles of initializing call setup and delaying access call from the layer of signalling transmission by reducing signalling interaction.
Description
Technical field
The present invention relates to mobile communication technology field, refer to that a kind of optimization pushes to talk based on the unicast group calling one of mobile network the method and system of (PTT) service access time delay especially.
Background technology
Current, mobile communications network just strides forward to the 3G epoch with more high transfer rate from the 2.5G epoch.In this process, voice service will in mobile communication business dominate.And the frustration that the continuous aggravation of Mobile Communications Market competition and the new system such as 3G are promoted all makes mobile operator more pragmatic, they focus on operation in the raising of existing network quality and business innovation.Under these circumstances, PTT service has attracted the sight of mobile operator consumingly in the success that market segment obtains.Along with the development of the technology such as IP phone (VOIP), since 2003, mobile operator begins through 2.5G network and provides " one pushes to talk " (PTT) business, also referred to as PoC (PTToverCellular) business.
Based on the unicast group calling of existing mobile communications network in the process of registration, only obtain relevant group address, do not obtain cluster conversation mark.Only initiate unicast group calling at mobile terminal, ptt server distributes the cluster conversation corresponding with initiating address just to after receiving unicast group calling request this mobile terminal and identifies, increase Signalling exchange flow process, and signaling bear data (DOS, Data over signaling) group address that sends comparatively session identification want large, increase the access delay of DOS.
Since the mobile operator that the industries such as the U.S. Verizon, Sprint are well-known releases PoC service, its development prospect is extensively had an optimistic view of, but actual conditions are really not as people's will, there is many-sided factor, as connected time delay, voice quality, business intercommunication, terminal etc., but POC is the real time business of a kind of VOIP, its maximum problem is delay problem.The direction that VOIP develops as mobile network, but the congenital design due to " IP is that data are come " causes time delay to be difficult to solve, therefore the time delay of VOIP how is reduced, how to reduce the time delay of PTT service in other words as far as possible, the problem being current operation and solving by the manufacturer managed, operator's task of top priority needs.
Summary of the invention
In view of this, the object of the invention is to propose a kind of unicast group calling one of optimizing and to push to talk the method and system of service access time delay, reduce the mutual of signaling, reduce the calling access delay of eating dishes without rice or wine, promote the impression of user.
The method of the service access time delay that pushes to talk based on above-mentioned purpose a kind of optimization unicast group calling one based on mobile network provided by the invention, comprising: when mobile terminal initiates unicast group calling, only sends the cluster conversation pushing to talk ptt server acquisition from and identifies; All members of this group calling, when responding this unicast group calling, all continue with this cluster conversation mark.
Optionally, described in the method, cluster conversation mark is obtained by any one mode following:
Mode 1, mobile terminal-opening, initiate start-up logging flow process to ptt server, the clean culture cluster conversation relevant to this mobile terminal identifies and is handed down to mobile terminal by ptt server;
Mode 2, mobile terminal period is registered to ptt server, and the clean culture group cluster conversation relevant to this mobile terminal identifies and be handed down to mobile terminal by ptt server;
Mode 3, when the radio network unit in mobile network occurs to change, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture cluster conversation relevant to this mobile terminal identifies and be handed down to mobile terminal by ptt server;
Mode 4, when group attribute changes, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture cluster conversation relevant to this mobile terminal identifies and be handed down to mobile terminal by ptt server.
Optionally, the method, when mobile terminal initiates unicast group calling, comprises the steps:
The session identification corresponding with clean culture group is sent to mobile network by mobile terminal on multi-upstream access channel;
Described session identification is transferred to ptt server by mobile network, and ptt server produces corresponding session declaration, goes to wake relevant group user up;
After any one user answer, ptt server is this group allocation resource by mobile network;
Cluster conversation starts.
Optionally, if certain mobile terminal of the method wishes to add already present group calling, then comprise further:
This hope adds the current mobile terminal that there is group calling and directly on multi-upstream access channel, the session identification of this group is issued mobile network, after mobile network is transmitted to ptt server, ptt server instruction mobile network is this mobile terminal Resources allocation, allows access.
Optionally, the clean culture group address relevant to this mobile terminal is also handed down to mobile terminal by ptt server described in the method together with described session identification.
Optionally, the session identification of this group is issued mobile network by signaling bear data DOS mode by mobile terminal described in the method.
Based on above-mentioned purpose, present invention also offers a kind of optimization unicast group calling one based on mobile network to push to talk the system of service access time delay, at least comprise: mobile terminal, mobile network and push to talk ptt server, mobile terminal in this system, when initiating unicast group calling, only sends the cluster conversation mark obtained from ptt server; All members of this group calling, when responding this unicast group calling, all continue with this cluster conversation mark.
Optionally, described in this system, cluster conversation mark is obtained by any one mode following:
Mode 1, mobile terminal-opening, initiate start-up logging flow process to ptt server, the clean culture cluster conversation relevant to this mobile terminal identifies and is handed down to mobile terminal by ptt server;
Mode 2, mobile terminal period is registered to ptt server, and the clean culture group cluster conversation relevant to this mobile terminal identifies and be handed down to mobile terminal by ptt server;
Mode 3, when the radio network unit in the mobile network of mobile terminal place occurs to change, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture cluster conversation relevant to this mobile terminal identifies and be handed down to mobile terminal by ptt server;
Mode 4, when group attribute changes, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture cluster conversation relevant to this mobile terminal identifies and be handed down to mobile terminal by ptt server.
Optionally, when mobile terminal described in this system initiates unicast group calling, the session identification corresponding with clean culture group is sent to mobile network on multi-upstream access channel;
Described mobile network, is transferred to ptt server by described session identification;
Described ptt server produces corresponding session declaration, goes to wake relevant group user up; And after any one user answer, be this group allocation resource by mobile network.
Optionally, described in this system, mobile terminal is when hope adds already present group calling, directly on multi-upstream access channel, the session identification of this group is issued mobile network, and after mobile network is transmitted to ptt server, ptt server is this mobile terminal Resources allocation.
As can be seen from above, optimization unicast group calling one provided by the invention pushes to talk the method and system of service access time delay, when start-up logging, periodic registration, position change of registration and group attribute change of registration, cluster conversation address and corresponding cluster conversation mark is obtained to ptt server, when initiating group calling, this session identification of direct transmission, data volume is little, need not wait for that ptt server issues assignment to session identification simultaneously, because this reducing the signalling of eating dishes without rice or wine, reduce time delay, improve user's impression.
Description of the invention provides in order to example with for the purpose of illustrating, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention start-up logging of mobile terminal schematic flow sheet;
Fig. 2 is that embodiment of the present invention mobile terminal, at wireless network, the location updating schematic diagram of event triggering when changing occurs;
Fig. 3 is embodiment of the present invention mobile terminal period location updating schematic diagram;
When Fig. 4 is the change of embodiment of the present invention group attribute, the location updating schematic diagram of mobile terminal;
Fig. 5 is embodiment of the present invention clean culture initialization group calling schematic flow sheet.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
This programme master is noted that in mobile communications network, mobile terminal, ptt server utilize clean culture predefine group, the one-to-one relationship of the unique session identification of its group address and this group, realizes optimizing initial call time delay and the method joined delay that lags to unicast group calling.Specific as follows:
First, session identification is obtained:
When mobile terminal-opening, mobile terminal can obtain the clean culture predefine group address relevant to this terminal from ptt server) and the session identification of relevant group; When mobile terminal period changes to ptt server registration and group attribute, mobile terminal can obtain the session identification of group address and this group upgraded from ptt server, when no matter when mobile terminal initiates group calling session, this mobile terminal all only sends corresponding session identification unique with this group address by the mode of DOS on Reverse Access Channel, avoiding the process setting up session by waiting for ptt server feeding back conversation mark after initiation group address, saving initial access delay, lagging joins delay.Improve the Consumer's Experience of PTT.Described session identification can be current conference ID, but is not limited only to Conference ID.
Secondly, when making a call, only session identification is sent:
When mobile terminal initiates group calling, only send the cluster conversation mark obtained in above process;
Every other member/the mobile terminal of this group calling, when responding this group calling (comprising the response etc. that makes an immediate response and lag), all continues with the unique session identification of this group, thus saves access delay.
Because session identification is short compared with group address, group address relative complex, has various definitions method, and longer comparatively large, but session identification is 16 single binary digits, shorter less.Send at DOS the PTT access speed that shorter information also can accelerate user, improve the Consumer's Experience of PTT equally.
Relate generally to following system: mobile terminal, mobile network, ptt server.
Mobile terminal, i.e. PTT client, for initiating/receiving PTT service; Have 3 kinds of logon modes to ptt server: 1) start time registration, 2) periodic registration, 3) lane place change and group attribute change time registration.
Mobile network, sets up carrying according to the request of user or ptt server, performs Resourse Distribute, transmission data;
Ptt server, instruction mobile network is mobile terminal Resources allocation; There is provided the specifying information of group, as group attribute, cluster conversation mark, service distribution region, service priority etc., what the present invention was correlated with mainly provides group address, cluster conversation to identify.
The time delay optimization method main process that mobile terminal initiates unicast group calling is as follows:
Step 1, mobile terminal can obtain cluster conversation mark usually in the following manner:
Mode 1, mobile terminal-opening, initiates start-up logging flow process to ptt server, and ptt server is by the clean culture group information relevant to this mobile terminal simultaneously, as group address, cluster conversation mark, is handed down to mobile terminal.
Mode 2, mobile terminal period is registered to ptt server, and ptt server issues the clean culture group information relevant to this mobile terminal, and as group address, cluster conversation mark is handed down to mobile terminal.
Mode 3, when radio network unit (community, sector or subnet) occurs to change, mobile terminal starts the register flow path of event triggering to ptt server, ptt server is by the clean culture group information relevant to this mobile terminal simultaneously, as group address, cluster conversation mark is handed down to mobile terminal.
Mode 4, group attribute changes, as mobile terminal increases group newly, or when there is this group of user log off etc. in mobile terminal affiliated group, mobile terminal starts the register flow path of event triggering to ptt server, ptt server is by the clean culture group information relevant to this mobile terminal simultaneously, and as group address, cluster conversation mark is handed down to mobile terminal.
Step 2, after obtained cluster conversation mark by any one mode of above-mentioned 1-4, when mobile terminal needs to initiate unicast group calling, user opens PTT client-side program on mobile terminals, enters associated unicast group, starts the unicast group calling function of this group.
Step 3, the session identification corresponding with clean culture group is sent to mobile network by the mode of DOS (Data over signalling) by mobile terminal on Reverse Access Channel, and only sends out cluster conversation mark.
Step 4, mobile network is by related information transmission to ptt server, and ptt server produces corresponding session declaration, goes to wake relevant group user up.
Step 5, after any one user answer, ptt server is this group allocation resource by mobile network.
Step 6, cluster conversation starts.
Step 7, if after certain user exits this clean culture group call or start, it is desirable to add this group calling (existing).
Step 8, directly issues mobile network by the mode of DOS by relevant session identification on Reverse Access Channel, fast the relevant group of access.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further detailed.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not limited to the present invention.
Suppose clean culture group Group001, have user A, B, C, D.A also belongs to group Group002 simultaneously, and Group002 has user E, F, G, H, is described below for user A.Wherein, described user A, B, C, D, just refer to the mobile terminal of user A, B, C, D.
When user A starts shooting, initiate register flow path, concrete operations and flow process as shown in Figure 1, comprising:
Step 101, user A starts shooting;
Step 102, user A and wireless access network connect;
Step 103, user A performs PTT client terminal start-up;
Step 104, user A connects as PTT client and core net;
Step 105, user A registers to ptt server as PTT client, obtain the group address with Group001, Group002, as Act.com, Bct.com, Cct.com, Dct.com, Ect.com, Fct.com, Gct.com, Hct.com, and session identification Group001, Group002.
User A moves to wireless sub network 2 from wireless sub network 1, the operation carried out and flow process, as shown in Figure 2, comprising:
Step 201, user A initiates wireless access network changing process;
Step 202, user A and target radio access network (such as wireless sub network 2) connect;
Step 203, user A performs PPT client terminal start-up;
Step 204, user A connects as PTT client and core net;
Step 205, user A registers to ptt server as PTT client, obtain and Group001, the group address of Group002, as Act.com, Bct.com, Cct.com, Dct.com, Ect.com, Fct.com, Gct.com, Hct.com, and session identification Group001, Group002.
User A periodic registration, the operation carried out and flow process as shown in Figure 3, comprising:
Step 301, the periodic launch position of user A more new technological process;
Step 302, user A and current affiliated wireless access network (such as wireless sub network 2) connect;
Step 303, user A performs PPT client terminal start-up;
Step 304, user A connects as PTT client and core net;
Step 305, user A registers to ptt server as PTT client, obtain the group address with Group001, Group002, as Act.com, Bct.com, Cct.com, Dct.com, Ect.com, Fct.com, Gct.com, Hct.com, and session identification Group001, Group002.
User D nullifies group Group001, and the operation that user A carries out and flow process as shown in Figure 4, comprising:
Step 401, user A finds that group attribute occurs to be changed;
Step 402, user A and affiliated wireless access network connect;
Step 403, user A performs PPT client terminal start-up;
Step 404, user A connects as PTT client and core net;
Step 405, user A registers to ptt server as PTT client, obtains the group address with Group001, as Act.com, Bct.com, Cct.com, Dct.com, and session identification Group001;
User A initiates the unicast group calling of Group001, and the operation that user A carries out and flow process as shown in Figure 5, comprising:
Step 501, user clicks PTT client on mobile terminals, initiates PTT group calling session.
Step 502, the session identification Group001 corresponding with group address Act.com, Bct.com, Cct.com, Dct.com of clean culture group Group001 is joined call request (CR by mobile terminal, Call Request) in, reverse (up) access channel (AC, Access Channel) is sent to by the mode of DOS (Data over signaling) wireless access network in mobile network.Wherein, except above-mentioned information, the information such as Routing Area Update (RuP, Route Update) can also be comprised in this call request.
Step 503, this call request message is transferred to ptt server by wireless access network.
Step 504, ptt server produces respective call declaration (Call Announce).
Step 505, call announcement is sent to the wireless access network of mobile network by ptt server.
Step 506, this call announcement is sent to the user of this group by wireless access network on control channel (CC, ControlChannel) by the mode of DOS mode or standard paging, go to wake relevant group user up.
Step 507, if the user of group receives this calling, then produces calling receipt message.
Step 508, the user of the group of receipt of call calls out reception request message by DOS mode and is sent to wireless access network on reverse (up) access channel.
Step 509, calling receives and is forwarded to ptt server as response by wireless access network.
Step 510 ~ 511, after ptt server receives the response of any one user, instruction wireless access network is this group allocation resource, carries out call authorization.
Step 512, after obtaining call authorization, the acquisition for mobile terminal speaking right cluster conversation as call initiator normally carries out.
In addition, also have a kind of situation, be exactly, after certain user exits this clean culture group call or start, it is desirable to add this already present group calling, then also can carry out calling access by this session identification at any time, produce calling access request.On Reverse Access Channel, directly by the mode of DOS, relevant session identification can be issued the wireless access network of mobile network like this, the core net of mobile network is transmitted to ptt server, ptt server instruction mobile network is this mobile terminal Resources allocation, thus accesses relevant group fast.
Claims (5)
1. a method for the service access time delay that pushes to talk based on the optimization unicast group calling one of mobile network, is characterized in that,
When mobile terminal initiates unicast group calling, send from one push to talk ptt server obtain the clean culture group information relevant to described mobile terminal, described clean culture group information comprises group address and cluster conversation mark, and described clean culture group information is obtained by any one mode following:
Mode 1, mobile terminal-opening, initiate start-up logging flow process to ptt server, the clean culture group information relevant to described mobile terminal is handed down to mobile terminal by ptt server;
Mode 2, mobile terminal period is registered to ptt server, and the clean culture group information relevant to described mobile terminal is handed down to mobile terminal by ptt server;
Mode 3, when the radio network unit in mobile network occurs to change, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture group information relevant to described mobile terminal is handed down to mobile terminal by ptt server;
Mode 4, when group attribute changes, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture group information relevant to mobile terminal is handed down to mobile terminal by ptt server;
All members of this unicast group calling, when responding this unicast group calling, all continue with the cluster conversation of this group mark;
If certain mobile terminal wishes to add already present unicast group calling, then comprise further:
This hope adds the current mobile terminal that there is unicast group calling and directly on multi-upstream access channel, the cluster conversation of this group mark is issued mobile network, after mobile network is transmitted to ptt server, ptt server instruction mobile network is this mobile terminal Resources allocation, allows access.
2. method according to claim 1, is characterized in that, when mobile terminal initiates unicast group calling, comprises the steps:
The cluster conversation corresponding with clean culture group is identified on multi-upstream access channel and sends to mobile network by mobile terminal;
Described cluster conversation mark is transferred to ptt server by mobile network, and ptt server produces corresponding session declaration, goes to wake relevant group user up;
After the response of any one group user, ptt server is this group allocation resource by mobile network;
Cluster conversation starts.
3. method according to claim 2, is characterized in that, the cluster conversation of this group mark is issued mobile network by signaling bear data DOS mode by described mobile terminal.
4. a system for the service access time delay that pushes to talk based on the optimization unicast group calling one of mobile network, at least comprises: mobile terminal, mobile network and push to talk ptt server, it is characterized in that,
Mobile terminal in this system is when initiating unicast group calling, send the clean culture group information relevant to described mobile terminal obtained from ptt server, described clean culture group information comprises group address and cluster conversation mark, and described clean culture group information is obtained by any one mode following:
Mode 1, mobile terminal-opening, initiate start-up logging flow process to ptt server, the clean culture group information relevant to described mobile terminal is handed down to mobile terminal by ptt server;
Mode 2, mobile terminal period is registered to ptt server, and the clean culture group information relevant to described mobile terminal is handed down to mobile terminal by ptt server;
Mode 3, when the radio network unit in mobile network occurs to change, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture group information relevant to described mobile terminal is handed down to mobile terminal by ptt server;
Mode 4, when group attribute changes, mobile terminal starts the register flow path of event triggering to ptt server, and the clean culture group information relevant to mobile terminal is handed down to mobile terminal by ptt server;
All members of this unicast group calling, when responding this unicast group calling, all continue with this cluster conversation mark;
Mobile terminal is when hope adds already present unicast group calling, and directly on multi-upstream access channel, the cluster conversation of this group mark is issued mobile network, after mobile network is transmitted to ptt server, ptt server is this mobile terminal Resources allocation.
5. system according to claim 4, is characterized in that, when described mobile terminal initiates unicast group calling, is identified at by the cluster conversation corresponding with clean culture group on multi-upstream access channel and sends to mobile network;
Described mobile network, is transferred to ptt server by described cluster conversation mark;
Described ptt server produces corresponding session declaration, goes to wake relevant group user up; And after the response of any one group user, be this group allocation resource by mobile network.
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| CN106899590A (en) * | 2017-02-24 | 2017-06-27 | 上海微喂网络科技有限公司 | The intelligence for leading to function is exhaled to wait for public network intercommunication method with simulation intercommunication one |
| CN107197449A (en) * | 2017-05-25 | 2017-09-22 | 深圳震有科技股份有限公司 | The PTT group call controlling methods and system of a kind of adaptive network change |
| CN110691333A (en) * | 2019-10-11 | 2020-01-14 | 厦门睿洽科技有限公司 | Public network talkback method |
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| CN1859636A (en) * | 2005-04-30 | 2006-11-08 | 华为技术有限公司 | System and method for realizing communication system intercommunication |
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| CN1859636A (en) * | 2005-04-30 | 2006-11-08 | 华为技术有限公司 | System and method for realizing communication system intercommunication |
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