CN1282315C - Quick call establishing method of CDMA standard trunked communication system - Google Patents
Quick call establishing method of CDMA standard trunked communication system Download PDFInfo
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- CN1282315C CN1282315C CN 03139739 CN03139739A CN1282315C CN 1282315 C CN1282315 C CN 1282315C CN 03139739 CN03139739 CN 03139739 CN 03139739 A CN03139739 A CN 03139739A CN 1282315 C CN1282315 C CN 1282315C
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Abstract
The present invention discloses a quick establishment method for callings of a CDMA type group communication system in the field of mobile communication. The method comprises: firstly, system initialization is carried out; then, signalling links are established between a base station, a cluster dispatching client terminal and a cluster dispatching server, and a cluster calling is originated by a user terminal in a group; the base station uses a prestored default parameter, under the condition that negotiation is not carried out with the terminal, service information is established, and messages of the calling originating user terminal are sent to the cluster dispatching server through a public cluster message channel; the cluster dispatching server originates cluster service establish requests to other user terminals in the group through the public cluster message channel; service channels are directly established by the base station for other user terminals in the group by preserved parameter information; finally, the user terminals enter a cluster conversation state. The present invention overcomes the defect that the connecting time of the existing CDMA systems is longer, which can not satisfy the requirements of cluster services. The forever on-line purpose of users is realized, and the connecting time of the cluster users is saved.
Description
Technical field
The present invention relates to mobile communication system, relate in particular to the quick call establishment method of CDMA standard trunked mobile communication system.
Background technology
Trunked communication system is meant one group of wireless channel of multiple users share, and dynamically use the dedicated mobile communications subsystem of these channels, it is a kind of commander, dispatching patcher, in some social economies, the relatively advanced country of industrial or agricultural, there is application very widely in this system in the departments such as enterprise, cause, industrial and mineral, oil field, farm, public security, police and army that commander, scheduling feature are had relatively high expectations.
The trunked communication system main feature of CDMA standard is to adopt half-duplex communication mode, can realize continuing fast, and support group call (being the method for calling of one-to-many).In trunked communication system, require user's shared forward channel in same sub-district in the group, when group user is called out or is talked, as long as pin PTT (Push To Talk, push-to-talk) key just can be conversed with other users in the group, and this PTT business is widely used in intercom system and group system, be public security, fire-fighting, communications and transportation, airport aviation, construction site, big assembly, groups such as military scheduling use provides the command scheduling function.Along with the progress of society, the enhancing of flow of personnel, the fast development of simultaneous mobile communication technology, the field of personal communication is more and more wider, group service also turns to the individual to use gradually, between for example young fashion personage or the chat in the groupuscule, the communication between the household internal member etc.Demand is brought the innovation of technology, uses the development that brings product, along with extensively carrying out of mobile communication value-added service, has the trunked communication system of the CDMA standard of colony's calling, message sending function, has become a kind of new mobile value-added application day by day.
The topmost characteristics of trunked communication system are connecting time weak points that requirement is called out, can obtain channel and off-channel fast, though traditional cell mobile communication systems can be realized the group calling function of group service by the mode of stack, but but can't satisfy the desired quick access capability of trunked communication system, because trunked communication system generally is mainly used in as the maritime affairs first aid, army's scheduling waits the emergency scheduling occasion, requirement to the time is very urgent, and traditional cell mobile communication systems can only satisfy the requirement of domestic consumer to call set-up time, can't satisfy the cluster user demand of response fast.
Summary of the invention
The objective of the invention is to overcome the shortcoming that can't in the CDMA standard group communication system, realize access fast and call setup function in the prior art, get involved fast and call setup to propose to realize in a kind of CDMA standard group communication system, thereby satisfy the cluster user method of response fast.
For achieving the above object, the present invention proposes a kind of quick call establishment method of CDMA standard group communication system, it is characterized in that, may further comprise the steps:
First step system initialization;
Set up public cluster message channel between second step base station, cluster client end and the trunking dispatch server;
User terminal is initiated trunked call in the 3rd step group;
The default parameter of storage is in advance adopted in the 4th step base station, and under the situation of holding consultation between the terminal is not setting up Traffic Channel;
The 5th step base station will be risen by public cluster message channel and be exhaled the message of user terminal to give trunking dispatch server;
The 6th step trunking dispatch server is initiated group service by public cluster message channel other user terminals in group and is set up request;
The 7th step base station all adopts the parameter information of preservation directly to set up Traffic Channel to other user terminals in organizing;
Cluster calling state is gone in the 8th stepping.
The method that the minimizing call proceeding time that the present invention proposes, realization short calling are set up, by adopting the method for preserving consultation parameter between base station and the terminal in advance, effectively saved the parameter negotiation time, and between trunking dispatch server and cluster client end, set up public cluster message channel, the realization user's is always online, save the connecting time of cluster user, overcome the defective that connecting time in the cdma system is long, can't satisfy cluster service requirement.
Description of drawings
Fig. 1 is the flow chart of the professional fast call establishing method of CDMA standard group communication system of the present invention.
Fig. 2 is as the realization group service fast call establishing method flow chart of the embodiment of the invention.
Embodiment
The invention will be further described below in conjunction with embodiment:
Group call and individual call are service features important in the group system, group call be single user can be when allowing with group in everyone converse simultaneously.Except the people who is talking, in a single day the user must listen in other people organized, and had the interior user of group to press the PTT key, if other users' priority is identical with the people's who is talking priority, then can not grab, can only wait for that the people of speech finishes this communication process.Individual call then is man-to-man customer call, and in a group, the object that also can select to want to converse is conversed, and not by other member's uppicks in the group.The CDMA standard group communication system adopts being connected of quick group call and individual call, for the cluster multi call business, adopts the grouped data passage, promptly adopts the foundation of Ethernet transmission manner realization short calling, rather than traditional Circuit-switched mode.
In call establishment, in order to realize calling out fast connection, do not need to adopt PPP (end-to-end protocol, Peer-Peer Protocol) connects, but between cluster client end and trunking dispatch server, set up public cluster message channel, make the message in all group systems all on this public cluster message channel, transmit, thereby realize the always online of user, saved the connecting time of cluster user.Wherein cluster client end is linked into the gateway of trunking dispatch server as trunked call, and concentrated speech business stream is compiled and distributes.The main effect of trunking dispatch server is to receive the cluster voice packets, and handles, and is distributed to cluster client terminal.
Adopt the mode of non-consultation parameter between colony terminal and the cluster access network, terminal is at first issued with configuration parameter in the base station, colony terminal is revised these parameters in conjunction with the ability of self, and returning to the base station, these parameters are preserved in the base station, when this colony terminal makes a call request once more, do not need to carry out again parameter negotiation between base station and the colony terminal, directly adopt the parameter of preserving, saved the process of service negotiation, and then accelerated call establishment.Colony terminal also can adopt and the base station between adopt the mode of same set of default configuration parameter simultaneously, reach the purpose of not holding consultation.
During calling in colony terminal is initiated a group, the message content that the base station sends according to colony terminal, declaring stands erectly connects and adopts the corresponding parameters of storage inside that this calling is set, and sets up Traffic Channel, transmits voice data.Save the mutual time of interface message aloft, made calling to set up fast.
In the professional fast call establishing method flow chart of the described CDMA standard group communication system of Fig. 1, mainly comprised following steps:
101 beginnings;
102 systems carry out initialization;
Set up public cluster message channel between 103 base stations, cluster client end and trunking dispatch server;
User terminal is initiated trunked call in 104 groups.Adopt the data service mode, the cluster control messages is sent with Short Data Burst message format;
105 according to the information in the call message, adopts the default configuration of storage in advance and the terminal link that connects;
106 base stations will be worked the message of exhaling the user and be sent to trunking dispatch server by public cluster message channel;
107 trunking dispatch server are initiated group service by public cluster message channel other users in group and are set up request;
Adopt the parameter information of preserving in 108 groups between other user terminals and the base station, Traffic Channel is directly set up in promptly default parameter setting;
The user enters cluster calling state in 109 groups.
In group system shown in Figure 2, call out among the embodiment that sets up fast, mainly comprised following steps:
201 system initializations are set up public cluster message channel between trunking dispatch server and base station;
202 colony terminals are initiated the trunked call request;
203 trunked base stations judge that whether this call out trunked call, if trunked call forwards 205 to.If not trunked call, then forward 204 to;
204 trunked base stations and terminal originating service are consulted, setup parameter;
205 trunked base stations and terminal are not carried out parameter negotiation, directly send call request message to trunking dispatch server;
206 trunking dispatch server are by sending beep-page message to trunked base station on the public cluster message channel;
The user of 207 trunked base stations in group sends beep-page message;
208 trunking dispatch server are carried out channel assignment to terminal, and to terminal use's mandate of conversing.
The trunked communication system of CDMA standard adopts the third generation systems technology of mobile communication, has bigger technology and business development space; The method that the present invention proposes is based on mature C DMA technology, do not change the physical mechanism of air interface, application to air interface is made amendment, and utilize Packet data service to realize the transmission of speech, be different from traditional voice service, the present invention adopts the utility cluster communication link, realizes the always online of terminal use, has realized the time that short calling is set up in the group system of CDMA standard.
Claims (4)
1, a kind of quick call establishment method of CDMA standard group communication system is characterized in that, may further comprise the steps:
First step system initialization;
Set up public cluster message channel between second step base station, cluster client end and the trunking dispatch server;
User terminal is initiated trunked call in the 3rd step group;
The default parameter of storage is in advance adopted in the 4th step base station, and under the situation of holding consultation between the user terminal is not setting up Traffic Channel;
The 5th step base station will be risen by public cluster message channel and be exhaled the message of user terminal to give trunking dispatch server;
The 6th step trunking dispatch server is initiated group service by public cluster message channel other user terminals in group and is set up request;
The 7th step base station adopts the parameter information of preserving directly to set up Traffic Channel to other user terminals in organizing;
Cluster calling state is gone in the 8th stepping.
2, the quick call establishment method of CDMA standard group communication system according to claim 1, it is characterized in that, described the 3rd step " user terminal is initiated trunked call in the group " is adopted the data service mode, and the cluster control messages is sent with Short Data Burst message format.
3, the quick call establishment method of CDMA standard group communication system according to claim 1, it is characterized in that, the 4th step described " and between the user terminal not holding consultation ", its concrete mode is: the terminal use is at first issued with configuration parameter in the base station, the terminal use revises these parameters in conjunction with the ability of self, and return to the base station, these parameters are preserved in the base station, when this terminal use makes a call request once more, do not need to carry out again parameter negotiation between base station and this terminal use, directly adopt the parameter of preserving.
4, the quick call establishment method of CDMA standard group communication system according to claim 1, it is characterized in that, in the 4th step described " and between the user terminal not holding consultation ", its concrete mode is: the mode that adopts same set of default configuration parameter between terminal use and the base station simultaneously.
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| CN 03139739 CN1282315C (en) | 2003-07-04 | 2003-07-04 | Quick call establishing method of CDMA standard trunked communication system |
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| CN 03139739 CN1282315C (en) | 2003-07-04 | 2003-07-04 | Quick call establishing method of CDMA standard trunked communication system |
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| CN1567786A CN1567786A (en) | 2005-01-19 |
| CN1282315C true CN1282315C (en) | 2006-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466159B (en) * | 2007-12-21 | 2010-12-01 | 中兴通讯股份有限公司 | Method for determining paging time slot in CDMA cluster service base station |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446592C (en) * | 2005-06-13 | 2008-12-24 | 大唐移动通信设备有限公司 | Cluster communication method for mobile network terminal |
| CN100442870C (en) * | 2005-06-22 | 2008-12-10 | 上海华为技术有限公司 | Method for realizing cluster communication service in cellular system |
| CN100474846C (en) * | 2005-11-02 | 2009-04-01 | 华为技术有限公司 | PS service permanent on-line realizing method and apparatus |
| CN100415016C (en) * | 2005-11-29 | 2008-08-27 | 华为技术有限公司 | Cluster group calling establishing method and system |
| CN101228728B (en) * | 2005-12-26 | 2012-03-28 | 中兴通讯股份有限公司 | Method for improving called paging velocity in code division multiple access cluster system |
| CN101080046B (en) * | 2006-05-26 | 2010-05-12 | 中兴通讯股份有限公司 | A quick call establishment method of TD-SCDMA cluster communication system |
| CN101466072B (en) * | 2007-12-21 | 2010-09-29 | 中兴通讯股份有限公司 | Method for determining CDMA mobile station cluster service paging time slot |
| CN101237700B (en) * | 2008-02-26 | 2011-11-30 | 中兴通讯股份有限公司 | A method and mobile terminal for reducing call duration |
| CN101662732B (en) * | 2009-09-28 | 2012-07-18 | 中兴通讯股份有限公司 | Cluster user call proceeding method and system thereof |
| CN102231872B (en) * | 2011-06-27 | 2017-06-27 | 中兴通讯股份有限公司 | A kind of terminal gets over the method and apparatus that area's registration cluster call resource is set up |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466159B (en) * | 2007-12-21 | 2010-12-01 | 中兴通讯股份有限公司 | Method for determining paging time slot in CDMA cluster service base station |
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| CN1567786A (en) | 2005-01-19 |
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