CN101141703B - Called terminal access method of group calling in cluster system - Google Patents
Called terminal access method of group calling in cluster system Download PDFInfo
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- CN101141703B CN101141703B CN2006100624782A CN200610062478A CN101141703B CN 101141703 B CN101141703 B CN 101141703B CN 2006100624782 A CN2006100624782 A CN 2006100624782A CN 200610062478 A CN200610062478 A CN 200610062478A CN 101141703 B CN101141703 B CN 101141703B
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Abstract
The present invention relates to a method for accessing the called terminal of a group calling in a cluster system. After a base station receives the incoming-call message from a network side, dynamic access information channels are established; after the dynamic access information channel is established successfully, a timer is arranged; the base station brings the number of the access information channels to the terminal through the incoming-call message; after receiving the incoming-call message, the terminal selects an access information channel to reply an incoming-call response message; when the time is up for the timer, the base station releases the resources taken by the dynamic access information channels. Through the present invention, the information channel collision during the accessing can be reduced, the access speed is quickened, in addition, the dynamic access information channels are used only when the incoming-call is accessed, and released when no incoming-call and access is performed, and thus compared with the method of configuring a plurality of static access information channels, resources can be saved.
Description
Technical field:
The present invention relates to a kind of at wireless communication system, especially group calling in the group system.
Background technology:
Group system adopts half-duplex communication mode, should realize continuing fast, supports the group call mode of one-to-many.
Usually, the paging of group calling and access procedure be as shown in Figure 1 in the group system.Network side is sent out paging request message to the base station, and paging request message is sent out to each terminal in the base station, and each terminal is returned page-response message to the base station on access channel.Each terminal has just been finished the process of a paging and access like this.
Might as well suppose such a case, group A has 30 terminals, and these 30 terminals all concentrate under a of sub-district, and sub-district a has only disposed an access channel.At this moment organize the A terminal and initiate group calling, after other 29 terminals are received paging request message, return page-response message to base station system, because page-response message all sends from that access channel of sub-district a, will certainly cause like this has collision on the access channel, reduce access speed, increased connecting time.
If a plurality of such groups are arranged, group A, group B ..., each group all has 30 terminals, and 30 terminals of these groups all under a of sub-district, have only been joined an access channel under a of sub-district, and the collision meeting on the access channel is violent more frequent so.
In this case, can under a of sub-district, dispose many static access channels.After terminal is received paging request message, from many access channels, select one at random, return page-response message to the base station.Do like this and be certain to reduce the probability that collides on the access channel, but disposed many static access channels, undoubtedly than an access channel waste of configuration resource.
Summary of the invention:
The technical problem to be solved in the present invention is, the method that provides a kind of terminal called of group calling to insert neither need dispose by the called subscriber and count the configuring static access channel, and the collision problem in the time of solving a plurality of terminal calleds again and insert improves access speed.
Technical scheme of the present invention may further comprise the steps:
1.1 dynamic access channel after receiving the beep-page message of network side, is set up in the base station; After dynamically access channel is set up successfully, timer is set;
1.2 the base station brings terminal the number of dynamic access channel by paging request message;
1.3 terminal is after receiving paging request message, terminal selects an access channel to return page-response message to the base station;
1.4 when timer then after, the base station discharges the resource that dynamic access channel takies.
On the basis of such scheme, when two group callings:
2.1 work as the network side paging group for the moment, dynamic access channel is set up in the base station, and timer is set;
2.2 the base station sends out paging request message for group one terminal, drives attitude access channel number in the message;
2.3 during network side paging group two, the base station is set up dynamic access channel in addition, and resets timer;
2.4 the base station sends out paging request message for group two terminals, driving attitude access letter number in the message is the number of all dynamic access channels;
From the dynamic access channel of static access channel and foundation for the first time, select one 2.5 organize a terminal, and from this access channel page-response message last time;
From the dynamic access channel of static access channel and twice foundation, select one 2.6 organize two terminals, and insert back page-response message from this;
2.7 timer A is overtime, discharges all dynamic access channels;
When a plurality of group calling, analogize processing in a manner described.
By the present invention, can reduce the collision on the access channel when inserting, accelerate access speed, and dynamic access channel usefulness when paging inserts just, have paging and can not bled off when inserting, so many method saving resource of a static access channel than disposing.
Description of drawings:
Fig. 1 is group calling paging of the prior art and access process figure;
Fig. 2 is group calling paging of the present invention and access process figure;
Fig. 3 is the present invention group calling paging and access process figure when two groups of incoming calls simultaneously.
Embodiment:
As Fig. 2 is paging and the access process figure of the present invention under the situation of a group calling.May further comprise the steps:
The access channel (these channels are referred to as dynamic access channel, and originally Pei Zhi access channel is referred to as static access channel) of suitable quantity according to certain algorithm (introducing in the back), is set up in the first step, base station after receiving the beep-page message of network side.After dynamically access channel is set up successfully, timer A is set.Timer duration is rule of thumb value setting generally.
Second step, base station bring terminal the number of dynamic access channel by paging request message.
The 3rd step, terminal are after receiving paging request message, and terminal is selected an access channel (for example IMSI or the ESN according to terminal removes HASH) with certain algorithm, returns page-response message to the base station.
The 4th the step, when timer A then after, the base station discharges the resource that dynamic access channel takies.
Be background with the GOTA system in addition, introduce a kind of in particular cases a plurality of group calling in detail almost during incoming call simultaneously, the process of dynamic access channel is set up and discharged in the base station, as shown in Figure 3:
When network side paging group 1, dynamic access channel is set up according to certain algorithm in the base station, and newly-built number is X, and it is Y that static access channel was arranged originally.Timer A is set.
The base station sends out paging request message for group 1 terminal, drives attitude access channel number X in the message.
Network side paging group 2, base station are set up dynamic access channel according to certain algorithm once more, and newly-built number is Z.Reset timer A.
Group of base stations 2 terminals are sent out paging request message, and the number that drives the attitude access channel in the message is X+Z.
Organize 1 terminal from X+Y bar access channel, select one, in this access channel page-response message last time with certain algorithm.
Organize 2 terminals from X+Y+Z bar access channel, select one, in this access channel page-response message last time with certain algorithm.
Timer A is overtime, discharges the dynamic access channel of X+Z bar.
Flow process when more than providing two groups of incoming calls simultaneously, the flow process more than two groups of incoming calls simultaneously the time in like manner can get.
Introduce determining of dynamic access channel below.
With CDMA2000 is example, during based on the CSM6700 chip, dynamic access channel algorithm how to set up suitable quantity once is described at band processing system.
If the number of CSM6700 chip is m under this base station, there be sub-district n under this base station, having had access channel (comprising dynamic access channel and static access channel) altogether is the p bar, newly-built dynamic access channel number is under each sub-district so
K is a constant, and the meaning is the every supported dynamic access channel number of CSM chip, and under the situation of band processing system CSM6700, according to high pass chip handbook, value is 12.
When band processing system during, determine that the algorithm of dynamic access channel quantity is as follows based on the CSM5000 chip:
If the dynamic access channel number that each sub-district will be built under this base station is the x bar, (one dynamic access channel will take a reverse CE to reverse idle CE number under this base station, also to take a reverse CE during user's communication, the occupied back of CE is just not idle, it is exactly idle not having occupied) be m, there be sub-district n under this base station, had the dynamic access channel of p bar, suppose that more every dynamic access channel can insert a user at the appointed time.So when considering that a kind of whole users concentrate on the limiting case of a sub-district, can equation of row about reverse CE:
n×x+x×a＝m+p
Can be drawn by following formula, dynamic access channel number newly-built under each sub-district is:
Algorithm when band processing system is based on CSM6700 and CSM5000 chip more than has been described, during CSM1500, the thought of algorithm is the same, only the kind difference of resource.
Claims (2)
1. the method that the terminal called of group calling inserts in the group system may further comprise the steps:
1.1 dynamic access channel after receiving the beep-page message of network side, is set up in the base station; After dynamically access channel is set up successfully, timer is set;
1.2 the base station brings terminal the number of dynamic access channel by paging request message;
1.3 terminal is after receiving paging request message, terminal selects an access channel to return page-response message to the base station;
1.4 when timer then after, the base station discharges the resource that dynamic access channel takies.
2. the method that the terminal called of group calling inserts in the described group system of claim 1 is characterized in that, when two group callings:
2.1 work as the network side paging group for the moment, dynamic access channel is set up in the base station, and timer is set;
2.2 the base station sends out paging request message for group one terminal, drives attitude access channel number in the message;
2.3 during network side paging group two, the base station is set up dynamic access channel in addition, and resets timer;
2.4 the base station sends out paging request message for group two terminals, driving attitude access channel number in the message is the number of all dynamic access channels;
From the dynamic access channel of static access channel and foundation for the first time, select one 2.5 organize a terminal, and from this access channel page-response message last time;
From the dynamic access channel of static access channel and twice foundation, select one 2.6 organize two terminals, and from this access channel page-response message last time;
2.7 timer expiry discharges all dynamic access channels;
When a plurality of group calling, analogize processing in a manner described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100624782A CN101141703B (en) | 2006-09-05 | 2006-09-05 | Called terminal access method of group calling in cluster system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100624782A CN101141703B (en) | 2006-09-05 | 2006-09-05 | Called terminal access method of group calling in cluster system |
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| CN101141703A CN101141703A (en) | 2008-03-12 |
| CN101141703B true CN101141703B (en) | 2010-09-08 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596004A (en) * | 2003-09-10 | 2005-03-16 | 华为技术有限公司 | Method of allocating wireless reversed channel in cluster service for cellular communication system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596004A (en) * | 2003-09-10 | 2005-03-16 | 华为技术有限公司 | Method of allocating wireless reversed channel in cluster service for cellular communication system |
Non-Patent Citations (2)
| Title |
|---|
| 姚铁锐,武波.基于CDMA技术的群组呼叫的设计与实现.山东通信技术25 4.2005,25(4),25-27. * |
| 姚铁锐,武波.基于CDMA技术的群组呼叫的设计与实现.计算机技术与发展16 2.2006,16(2),65-66. * |
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| CN101141703A (en) | 2008-03-12 |
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