CN1949926A - Multicall channel releasing method and base station subsystem - Google Patents
Multicall channel releasing method and base station subsystem Download PDFInfo
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- CN1949926A CN1949926A CNA200610063364XA CN200610063364A CN1949926A CN 1949926 A CN1949926 A CN 1949926A CN A200610063364X A CNA200610063364X A CN A200610063364XA CN 200610063364 A CN200610063364 A CN 200610063364A CN 1949926 A CN1949926 A CN 1949926A
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Abstract
The invention discloses a method of releasing group call channel and base station subsystem (BSS), where after stopping broadcasting group call notification message, and/or issuing Channel Release message, the BSS releases the group channel so as to assure no mobile station park on the group call channel, able to effectively solve the abnormal problem of mobile station in the course of downlink detection of group call channel release and improving the robustness of downlink detection function.
Description
Technical field
The present invention relates to moving communicating field, particularly the group-calling channel release tech.
Background technology
Voice group call service (Voice Group Call Service, be called for short " VGCS ") and Voice Broadcast Service (Voice Broadcast Service, be called for short " VBS ") all be the voice communication mode that participates in many ways in the moving communicating field, break through the limitation of point-to-point communication, can set up calling fast.These two kinds of business can be referred to as group-calling service.
Briefly, VGCS will realize that exactly a plurality of people can talk, and more people can be used as hearer's business.
The professional member who comprises two kinds of identity in the VGCS business, i.e. dispatcher and service-user.The dispatcher can be that the fixed network user also can be the mobile subscriber, by network is the designated lane participation group calling Speech Communication of its foundation, at existing GSM 800M digital cluster system (GSM Trunk 800M, abbreviation " GT800 ") in the standard, the VGCS business can not have dispatcher or maximum five dispatchers.Service-user refers to the mobile subscriber of signatory VGCS business, and quantity is not limit, and participates in the group calling Speech Communication by the group calling passage in the group call region.
The VGCS business only permits a service-user at any time and maximum five dispatchers talk simultaneously, and other are not in the service-user of saying speech phase and are called the group calling hearer.The group calling hearer can be by pressing PoC (the Push To Talk on the portable terminal, be called for short " PTT ") key, realize robbing the operation of reverse link traffic channel according to the principle of " First come first served ", successfully can obtain speaking right participation speech if rob reverse link traffic channel, other group callings hearer has only the operation that just can continue to rob reverse link traffic channel when reverse link traffic channel is idle.The dispatcher has the designated lane of oneself, can participate in speech at any time.
VGCS permission user is established to the one group of user's who belongs to a certain specified services district and group identifier (Group ID) calling, and dispatchers all during the calling can make a speech, but all service-users are seized a data feedback channel.Service area can be by some (MobileSwitching Center of same mobile switching centre that belong to, be called for short " MSC ") or the sub-district of different MS C form, each related cell has a group calling passage during calling, wherein up link is only used (group emission mode) for current speaker, all hearers wait on down link (group receive mode), and relevant group calling notification message is gone up broadcasting at notification channel NCH (Notification Channel).
Relate to the group calling of a plurality of MSC, the management that one of them MSC is responsible for calling out, we are referred to as Anchor MSC, and other MSC is Relay MSC.Anchor MSC is responsible for setting up all connections, is included in the connection of the designated cell of this MSC, relevant Relay MSC and dispatching desk, and passes through the distribution that a meeting bridge is finished speech.Relay MSC only need set up a link to Anchor MSC, and Relay MSC is responsible for the distribution of affiliated subdistrict down voice.
VBS and VGCS business are similar substantially, and the main difference part is: have only call initiator to talk during VBS calls out, other members are in accepting state all the time.Spoken user need not be by the PTT key.
In the prior art, a kind of method by descending detection multicall channel releasing is arranged: carry out in the process in group calling, if the current up free time, network side detects descending, if current area does not have mobile phone monitoring group calling, then multicall channel releasing is avoided the waste of radio channel resource; If follow-up have mobile phone to enter this sub-district and add group calling, then the trigger notice responding process stresses new allocated channel by the mobile phone informing network.
Fig. 1 is by descending detection multicall channel releasing flow chart in the prior art.This flow process is elaborated as follows:
Step 101: base station sub-system (Base Station Subsystem, be called for short " BSS ") when idle, starts timer T, counter C up;
Step 102:BSS issues up idle Uplink Free message;
This Uplink Free message comprises up access request Uplink Access Request bit, the Uplink Free that it is descending testing process that this bit is used for distinguishing this Uplink Free message or up by busy Uplink Free when transferring the free time to, for example: can be that this bit is 1, represent that then this UplinkFree is the Uplink Free in the descending testing process, mobile station MS can report Listener Detect message after receiving this message; If this bit is 0, represent that then this Uplink Free is up by busy Uplink Free when transferring the free time to, MS can carry out up taking after receiving this message.
Step 103:MS reports Listener Detect message after receiving Uplink Free;
Step 105:BSS receives after the Listener Detect message counter C zero clearing is restarted descending detection;
Dotted line represents to have on the group-calling channel of sub-district a kind of situation of hearer among Fig. 1 with top.
Step 107: if BSS does not receive Listener Detect message, after timer T was overtime, BSS retransmitted Uplink Free, restarts timer T, and counter C is added up 1;
Step 108:BSS issues up idle Uplink Free message;
Step 107, step 108 circulation are carried out.
Step 110 is with step 107, and step 111 is with step 108, and the last circulation of expression is here carried out;
In the descending testing process, BSS promptly just issues Uplink Free one time every the time interval of setting by the repeating transmission of timer T control Uplink Free; BSS calculates Uplink Free by counter C and issues number of times, if the accumulated value of counter C greater than set point, such as N, can think does not have MS on the group-calling channel of sub-district, then can carry out local terminal and discharge flow process, multicall channel releasing.
Step 112: T is overtime when timer, discharges flow process, multicall channel releasing if counter C accumulated value, is carried out local terminal greater than set point N;
Step 113:BSS goes up the notification message Notification Command that transmission is not taken a message and described at notification channel NCH (Notification Channel).
Two crucial cells are arranged in the Notification Command message: one is initial/end bit position, and one is that group-calling channel is described.The former is used for base station controller (Base Station Controller, be called for short " BSC ") informing base station transceiver station (Base Transceiver Station, abbreviation " BTS ") whether continues to issue this notification message, if this bit is the initial bits position, BTS this notification message of going on the air then, if this bit is the end bit position, BTS this notification message of going off the air then; It is that group-calling channel is described that group-calling channel is described, and is issued to travelling carriage if comprise the notification message of this information field, and travelling carriage can be described the correct group-calling channel that adds according to this channel.
According to above two crucial cells, notification message can be divided into three kinds: first kind for initial and carry the notification message that channel is described; Second kind is initial and does not carry the notification message that channel is described; The third is the notification message that finishes, and BTS receives the notification message that this group calling of going off the air behind the notification message of this end was being broadcasted originally.
Yet in the such scheme, after BSS has issued last Uplink Free, before the multicall channel releasing, if there is MS to add group-calling channel, because Uplink Free no longer repeats to send, then MS can't detect this message, thereby can not report Listener Detect, make network side not know to have MS to add group-calling channel, still carry out local terminal and discharge flow process, multicall channel releasing shows still in group calling thereby cause group-calling channel to discharge back MS, and is up but MS can't take, also can't listen to current other sub-districts speaker's speech, holder terminal sensation group calling function is unavailable.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and base station sub-system of multicall channel releasing.
For achieving the above object, one embodiment of the present of invention provide a kind of method of multicall channel releasing, comprise step:
The base station sub-system BSS group calling notification message of going off the air; And/or
BSS issues Channel Release message;
The BSS multicall channel releasing.
One embodiment of the present of invention provide a kind of base station sub-system, comprising:
Control unit, the group calling notification message is used to go off the air; And/or
Message sending unit is used to issue Channel Release message;
The group-calling channel releasing unit is used to know the control unit multicall channel releasing behind the group calling notification message of going off the air, or is used to know that message sending unit issues multicall channel releasing after the Channel Release message.
Compare prior art, the technical scheme of the embodiment of the invention has guaranteed not have on the group-calling channel travelling carriage resident, can effectively solve the travelling carriage abnormal problem that occurs in the descending detection multicall channel releasing process, has improved the robustness of descending measuring ability.
Description of drawings
Fig. 1 is by descending detection multicall channel releasing flow chart in the prior art;
Fig. 2 is the descending detection multicall channel releasing flow chart that passes through of the embodiment of the invention one;
Fig. 3 is the descending detection multicall channel releasing flow chart that passes through of the embodiment of the invention two;
Fig. 4 is the descending detection multicall channel releasing flow chart that passes through of the embodiment of the invention three.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In the method and base station sub-system of a kind of multicall channel releasing that the embodiment of the invention provides, the base station sub-system BSS group calling notification message of going off the air, and/or BSS issues Channel Release message, the BSS multicall channel releasing, guaranteed not have on the group-calling channel travelling carriage resident, can effectively solve the travelling carriage abnormal problem that occurs in the descending detection multicall channel releasing process, improve the robustness of descending measuring ability.
Fig. 2 is the descending detection multicall channel releasing flow chart that passes through of the embodiment of the invention one.
Step 201 to step 211, step 213 respectively with Fig. 1 in step 101 to step 111, step 113 is identical or approximate;
The step 212:BSS group calling notification message of going off the air, wait for setting-up time after, discharge flow process, multicall channel releasing if having travelling carriage to reply Uplink Free then carry out local terminal.Below this step is described in detail.
Two crucial cells are arranged in the Notification Command message: one is initial/end bit position, and one is that group-calling channel is described.The former is used for base station controller (Base Station Controller, be called for short " BSC ") informing base station transceiver station (Base Transceiver Station, abbreviation " BTS ") whether continues to issue this notification message, if this bit is the initial bits position, BTS this notification message of going on the air then, if this bit is the end bit position, BTS this notification message of going off the air then; It is that group-calling channel is described that group-calling channel is described, and is issued to travelling carriage if comprise the notification message of this information field, and travelling carriage can be described the correct group-calling channel that adds according to this channel.
According to above two crucial cells, notification message can be divided into three kinds: first kind for initial and carry the notification message that channel is described; Second kind is initial and does not carry the notification message that channel is described; The third is the notification message that finishes, and BTS receives the notification message that this group calling of going off the air behind the notification message of this end was being broadcasted originally.
When BSS issues Uplink Free for the last time or issue the notification message of end after a while, if there is not travelling carriage to reply Uplink Free, after waiting for setting-up time, such as: after the second, BSS carries out local terminal and discharges flow process, multicall channel releasing; If there is travelling carriage to reply Uplink Free, then current area has travelling carriage resident, and BSS issues again and carries the notification message that channel is described.
When BSS issues Uplink Free for the last time or issue the notification message of end after a while, BTS receives the notification message that this group calling of going off the air behind the notification message of this end was being broadcasted originally, can prevent that like this travelling carriage from continuing the access group calling channel, thereby guarantee not have on the group-calling channel travelling carriage resident.
BSS waits for that setting-up time just discharges channel after issuing Uplink Free, mainly be to make the travelling carriage of access group calling channel between the Uplink Free that in the end issues for twice can reply Uplink Free in order to reserve time enough, if should still not have travelling carriage to reply in the time, then can confirm have the travelling carriage persistent district when sending UplinkFree.
Fig. 3 is the descending detection multicall channel releasing flow chart that passes through of the embodiment of the invention two.
Step 301 to step 311, step 313 respectively with Fig. 1 in step 101 to step 111, step 113 is identical or approximate;
Step 312: timer T is overtime, counter C accumulated value at first issues Channel Release message and makes hearer's travelling carriage leaving group-calling channel that may exist, thereby guaranteed not have on the group-calling channel travelling carriage resident greater than set point N, carry out local terminal then and discharge flow process, multicall channel releasing.
Travelling carriage is got back to idle pulley from group receive mode after receiving Channel Release message, and follow-up continuation is monitored the NCH channel and can be rebulid channel by push-notification-answer, has avoided group-calling channel to discharge cause unusual.
Fig. 4 is the descending detection multicall channel releasing flow chart that passes through of the embodiment of the invention three.
Step 401 to step 411, step 413 respectively with Fig. 1 in step 101 to step 111, step 113 is identical or approximate;
The step 412:BSS group calling notification message of going off the air, after waiting for setting-up time, do not make hearer's travelling carriage leaving group-calling channel that may exist if having travelling carriage to reply Uplink Free then issue Channel Release message, thereby guaranteed not have on the group-calling channel travelling carriage resident, carry out local terminal then and discharge flow process, multicall channel releasing.This step is the combining of step 312 among step 212 and Fig. 3 among Fig. 2, implication can reference example 1 with embodiment 2 in associated description.
The embodiment of the invention four: a kind of base station sub-system.
System comprises: control unit, and the group calling notification message is used to go off the air; And/or message sending unit, be used to issue Channel Release message; The group-calling channel releasing unit is used to know the control unit multicall channel releasing behind the group calling notification message of going off the air, or is used to know that message sending unit issues multicall channel releasing after the ChannelRelease message.
Above-mentioned control unit is when BSS issues Uplink Free message for the last time or the group calling notification message of going off the air afterwards.
System further comprises delay unit, is used for after above-mentioned control unit is gone off the air the group calling notification message, the time of delay adjustments, allows BSS to carry out next process step again.
Above-mentioned group-calling channel releasing unit discharges the flow process multicall channel releasing by local terminal.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (9)
1, a kind of method of multicall channel releasing is characterized in that, comprises step:
The base station sub-system BSS group calling notification message of going off the air; And/or
BSS issues Channel Release message;
The BSS multicall channel releasing.
2, method according to claim 1 is characterized in that, described each step occurs in the descending testing process of group calling.
3, method according to claim 1 is characterized in that, described BSS goes off the air the group calling notification message when occurring in BSS and issue Uplink Free message for the last time or afterwards.
4, method according to claim 1 is characterized in that, described BSS goes off the air behind the group calling notification message, further comprises after step: BSS waits for the time of setting carrying out next process step again.
5, method according to claim 1 is characterized in that, described BSS multicall channel releasing is that BSS discharges the flow process multicall channel releasing by local terminal.
6, a kind of base station sub-system is characterized in that, comprising:
Control unit, the group calling notification message is used to go off the air; And/or
Message sending unit is used to issue Channel Release message;
The group-calling channel releasing unit is used to know the control unit multicall channel releasing behind the group calling notification message of going off the air, or is used to know that message sending unit issues multicall channel releasing after the Channel Release message.
7, base station sub-system according to claim 6 is characterized in that, described control unit is when BSS issues Uplink Free message for the last time or the group calling notification message of going off the air afterwards.
8, base station sub-system according to claim 6 is characterized in that, further comprises delay unit, is used for after described control unit is gone off the air the group calling notification message, the time of delay adjustments, allows BSS to carry out next process step again.
9, base station sub-system according to claim 6 is characterized in that, described group-calling channel releasing unit discharges the flow process multicall channel releasing by local terminal.
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| CNA200610063364XA CN1949926A (en) | 2006-10-27 | 2006-10-27 | Multicall channel releasing method and base station subsystem |
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| CNA200610063364XA CN1949926A (en) | 2006-10-27 | 2006-10-27 | Multicall channel releasing method and base station subsystem |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089743A1 (en) * | 2007-12-29 | 2009-07-23 | Huawei Technologies Co., Ltd. | A resource release method, a communication equipment and a network system |
| CN101483916B (en) * | 2008-01-07 | 2010-09-22 | 大唐移动通信设备有限公司 | Method and apparatus for resource allocation |
| CN101472344B (en) * | 2007-12-29 | 2012-04-25 | 华为技术有限公司 | Method for releasing resource, terminal, network side equipment and network system |
| CN102497674A (en) * | 2007-12-29 | 2012-06-13 | 华为技术有限公司 | Resource releasing method, terminal, network side equipment and network system |
| CN104581981A (en) * | 2007-12-29 | 2015-04-29 | 华为技术有限公司 | Resource release method, terminal, network side device and network system |
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2006
- 2006-10-27 CN CNA200610063364XA patent/CN1949926A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089743A1 (en) * | 2007-12-29 | 2009-07-23 | Huawei Technologies Co., Ltd. | A resource release method, a communication equipment and a network system |
| CN101472344B (en) * | 2007-12-29 | 2012-04-25 | 华为技术有限公司 | Method for releasing resource, terminal, network side equipment and network system |
| CN102497674A (en) * | 2007-12-29 | 2012-06-13 | 华为技术有限公司 | Resource releasing method, terminal, network side equipment and network system |
| CN102625465A (en) * | 2007-12-29 | 2012-08-01 | 华为技术有限公司 | Resource release method, terminal, network side equipment and network system |
| CN102497674B (en) * | 2007-12-29 | 2015-03-18 | 华为技术有限公司 | Resource releasing method, terminal, network side equipment and network system |
| CN104581981A (en) * | 2007-12-29 | 2015-04-29 | 华为技术有限公司 | Resource release method, terminal, network side device and network system |
| CN104581982A (en) * | 2007-12-29 | 2015-04-29 | 华为技术有限公司 | Resource release method, terminal, network side device and network system |
| CN102625465B (en) * | 2007-12-29 | 2015-07-29 | 华为技术有限公司 | Method for releasing resource, terminal, network equipment and network system |
| CN104581982B (en) * | 2007-12-29 | 2016-03-30 | 华为技术有限公司 | Method for releasing resource, terminal, network equipment and network system |
| CN104581981B (en) * | 2007-12-29 | 2016-10-05 | 华为技术有限公司 | Schedule information method of sending and receiving, terminal and base station |
| US9674110B2 (en) | 2007-12-29 | 2017-06-06 | Huawei Technologies Co., Ltd. | Resource release method, communication equipment, and network system |
| CN101483916B (en) * | 2008-01-07 | 2010-09-22 | 大唐移动通信设备有限公司 | Method and apparatus for resource allocation |
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Open date: 20070418 |