CN1953573A - A method to reselect and quickly return to group call under optimal group receiving - Google Patents
A method to reselect and quickly return to group call under optimal group receiving Download PDFInfo
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- CN1953573A CN1953573A CN 200610154262 CN200610154262A CN1953573A CN 1953573 A CN1953573 A CN 1953573A CN 200610154262 CN200610154262 CN 200610154262 CN 200610154262 A CN200610154262 A CN 200610154262A CN 1953573 A CN1953573 A CN 1953573A
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Abstract
The invention relates to a method for reselecting and quickly backing into group page in optimized group receiving. Wherein, said method comprises that terminal selects target region, ejecting group call, leaving present service region, entering into target region; terminal receives system message, to detect the logic signal channel on the main broadcast control signal channel time slit, to receive prompt message; terminal analyzes received prompt message, to obtain group signal channel description, to enter into group page. The invention receives the system message when the terminal enters into target region, while it detects all logic signal channels of main BCCH time slit, to receive and analyze prompt message, and enter into group page as soon as receiving the group page signal channel description in prompt message, to shorten the time that enters into group page again.
Description
Technical field
The present invention relates to the group calling in the Digital Clustering, relate in particular to a kind of method of optimizing gravity treatment under the group of received and returning group calling fast.
Background technology
In Digital Clustering, for Voice Group Call Service (VGCS, Voice Group CallService) and Voice Broadcast Service (VBS, Voice Broadcast Service), in order to guarantee that the hearer has speech quality preferably, terminal can periodically check whether have other sub-district can provide than the better speech quality of this Serving cell according to C2 (the channel quality canonical parameter that adopts during the gravity treatment of sub-district).If there is a sub-district to satisfy this requirement, terminal will withdraw from VGCS or VBS earlier, and leaves current Serving cell, and as Serving cell, afterwards, terminal adds VGCS or VBS again with the above-mentioned sub-district that meets the demands.
We are called gravity treatment under the group of received with said process, please refer to Fig. 1, and its concrete flow process is as follows:
Step 101: under group of received, satisfied reselection conditions, terminal is then selected the Target cell of the maximum sub-district of C2 value as gravity treatment.Terminal withdraws from group calling, leaves current Serving cell, the target approach sub-district.
Step 102: in Target cell, terminal has successfully received system message 1, system message 2, system message 3, system message 4; System message 2TER and system message 13 are the optional configuration item of network, and whether terminal will receive these two system messages is wanted view network configuration and decide.Terminal with this Target cell as Serving cell.
Step 103: terminal Target cell as Serving cell after, according to SI1 (SystemInformation1, system message 1) and SI3 (System Information3, system message 3) (the Notification channel of the NCH in, the notification message channel) channel configuration information is monitored NCH.
Step 104: terminal adds group calling after receiving the notification message that above-mentioned NCH channel issues again.
Here need to prove that system message has comprised wireless network parameter main on the air interface, has specifically comprised Network Recognition parameter, cell selecting parameter, system control parameters and network function parameter.By receiving system message, terminal can correctly insert and carry out network selecting, makes full use of the various services that network provides, and reaches good cooperating with network.Wherein, system message 1 has mainly been described access control information at random (RACH) and subdistrict frequency point allocation table (being the CA table); System message 2 has mainly been described the frequency point allocation table (being the BA1 table) of access control information at random (RACH), Network Color Code permission (NCC Permitted) and adjacent cell; System message 2BIS has mainly described the expansion frequency point allocation table (also being the part of BA1 table) of access control information at random (RACH) and adjacent cell, and it is optional; System message 2TER has mainly described the expansion frequency point allocation table (part of BA1 table) of adjacent cell, and it sends on the BCCH channel, has only dual-band mobile phone just to read this message; System message 3 has mainly been described Location Area Identification, cell ID, access control information at random (RACH) and the parameter relevant with cell selecting; System message 4 has mainly been described Location Area Identification, access control information at random (RACH), cell selecting parameter and optional CBCH channel information; System message 13 has mainly been described the GPRS resource distribution situation of current area.
In addition, notification message is to be issued on the NCH channel by network side, calls out with ongoing VBS or VGCS on the notice terminal current network.
Yet, according to above-mentioned flow process, entering the purpose sub-district to coming back in this process of group of received, the user can not hear voice in the group calling, has so just caused unnecessary time loss, the shortest 940ms consuming time of this process, the longest 1880ms that reaches consuming time.
The many defectives consuming time that produced when carrying out gravity treatment under the group of received in the above-mentioned prior art in order to solve, 0322 version of gsm protocol has proposed a kind of method, promptly under group of received, the hearer can abandon system message 1 and the system message 3 that some speech frames are used for receiving the adjacent area.Terminal just can not received message such as system message 1, system message 2, system message 3, system message 4 after entering the purpose sub-district like this, can directly monitor NCH.After the notified message, add group calling again.
Yet thus, will cause following defective again:
1, the hearer loses speech frame.The system message that receives an adjacent area can be lost the voice of about 50ms.
2, the control of the terminal more complicated that can become, and can cause reaction speed slack-off.For example in receiving the process of system information in neighboring area, want to seize group call uplink, just have to seize again after receiving system message is finished by the time as the hearer.
Summary of the invention
For solving above-mentioned defective of the prior art, the present invention proposes a kind of method of optimizing gravity treatment under the group of received and returning group calling fast.
Above-mentioned purpose of the present invention is achieved by the following technical solution:
A kind of method of optimizing gravity treatment under the group of received and returning group calling fast comprises step: terminal select target sub-district, withdraw from group calling, and leave current Serving cell, the target approach sub-district; Terminal receiving system message is monitored all logic channels on the main Broadcast Control Channel time slot, with receiving notice message; The notification message that terminal parses receives obtains group-calling channel and describes, and adds group calling again.
Wherein, the notification message that terminal parses receives obtains group-calling channel and describes, and adds again before the group calling, and system message does not finish receiving as yet.
Wherein, terminal is selected the Target cell of the maximum sub-district of C2 value as gravity treatment.
Wherein, described system message is system message 1, system message 2, system message 3 and system message 4, also comprises system message 2TER and system message 13.
Wherein, described notification message is issued on the notification message channel by network side, with ongoing Voice Broadcast Service or Voice Group Call Service on the notice terminal current network.
If network side is configured to non-combination Common Control Channel pattern, then described logic channel is a Common Control Channel.
If network side is configured to make up the Common Control Channel pattern, then described logic channel is Common Control Channel, Separate Dedicated Control Channel and slow associated control channel.
Method of the present invention can shorten the time that terminal adds group calling again greatly.
Description of drawings
The flow chart that Fig. 1 carries out gravity treatment under the group of received for terminal in the prior art;
Fig. 2 is configured to the schematic diagram of non-combination CCCH pattern for network side;
Fig. 3 is configured to make up the schematic diagram of CCCH pattern for network side;
Fig. 4 is a method flow diagram of the present invention.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments.
Method provided by the invention is behind terminal target approach sub-district, receiving system message, monitor main BCCH (Broadcast Control Channel simultaneously, Broadcast Control Channel) all logic channel on the time slot, resolve the entrained data of these channels, to obtain notification message, understand ongoing VBS or VGCS calling on the current network.Because notification message is to issue on a certain of these logic channels, so in this way, terminal can receive notification message.
Above-mentioned system message is identical with prior art, comprise system message 1, system message 2, system message 3, system message 4, if network side has disposed system message 2ter and system message 13, also to receive this two system messages, its purpose that receives these system messages is to obtain network related information, parameter cell selecting parameter that for example access control information at random, subdistrict frequency point allocation table, Network Color Code allow, frequency point allocation table, Location Area Identification, cell ID and the cell selecting of adjacent cell are relevant and optional CBCH channel information etc.
As shown in Figure 1, it is configured to non-combination CCCH (Common Control Channel for network side, Common Control Channel) schematic diagram of pattern, under this pattern, the method according to this invention, the CCCH channel that terminal monitoring is all, whether the data that parsing CCCH channel carries are notification messages, if, this notification message of terminal processes.
Please refer to Fig. 2 again, it is configured to make up the schematic diagram of CCCH pattern for network side, as shown in the figure, under this pattern, the method according to this invention, the CCCH channel that terminal monitoring is all, also monitor SDCCH (Standalone Dedicated Control Channel, Separate Dedicated Control Channel) and SACCH (Slow Association Control Channel, slow associated control channel) channel, resolve whether the data that these channels carry are notification messages, if, this notification message of terminal processes.
Next, the notification message that terminal parses receives, and from this notification message, obtain the group-calling channel description, add group calling again.Whether this process finishes receiving without taking into account system message.
In said process, why whether finish receiving without taking into account system message, be because terminal is adding group calling again, after entering group of received, can receive system message 5, system message 5BIS, system message 5TER, system message 6 that network issues, these message can be told the network information of necessity to terminal, so terminal just there is no need to go to lose time before adding group calling again to have received said system message.
According to a preferred embodiment of the present invention, because notification message is constantly to issue on NCH (NCH belongs to CCCH), on main Broadcast Control Channel, network is a multi-frame with 51 frames, and the time 60/13ms of a frame is about 4.616ms; The time of 1 multi-frame is 51 * 60/13ms, is about 235ms, and network all can issue a notification message in each multi-frame, so terminal has and very big may just listen to notification message in 235ms, adds group calling again.
And according to another preferred embodiment of the present invention, behind terminal target approach sub-district, if terminal just runs into the opportunity that notification message issues, it can receive notification message immediately, and a complete message is to be distributed in above the 4 continuous frames, the needed time is 4 * 4.615ms, be about 20ms, terminal notified message in the shortest 20ms adds group calling again like this.
Below in conjunction with flow process shown in Figure 4 complete technical scheme of the present invention is described in detail.
At first, under group of received, satisfied reselection conditions after, terminal is selected the Target cell of gravity treatment, it is to select the Target cell of the sub-district of C2 value maximum as gravity treatment, terminal withdraws from group calling, leaves current Serving cell, target approach sub-district (step S401);
Then, terminal receiving system message is monitored logic channel all on the main BCCH time slot (comprising CCCH, SDCCH, SACCH etc.), simultaneously with receiving notice message (step S402);
At last, the notification message that terminal parses receives after the description of notification message acquisition group-calling channel, promptly adds group calling (step S403) again.
Here need to prove whether method of the present invention no longer taking into account system message finishes receiving, as long as and receive notification message, promptly add group calling again, so shortened the time that system adds group calling greatly.
In sum, the present invention has further optimized step 102 of the prior art, step 103, by behind terminal target approach sub-district, monitor in the time of receiving system message that all logic channels receive the parsing notification message on the main BCCH time slot, and in a single day the group-calling channel that obtains in the notification message is described, just add group calling again, no longer whether taking into account system message finishes receiving, thereby has shortened the time that adds group calling again greatly.
The above only is explanation the present invention, but not is used to limit the present invention.
Claims (8)
1, a kind of method of optimizing gravity treatment under the group of received and returning group calling fast is characterized in that, comprises the following steps:
Group calling is withdrawed from terminal select target sub-district, leaves current Serving cell, the target approach sub-district;
Terminal receiving system message is monitored all logic channels on the main Broadcast Control Channel time slot, with receiving notice message;
The notification message that terminal parses receives obtains group-calling channel and describes, and adds group calling again.
2, the method for claim 1 is characterized in that, the notification message that terminal parses receives obtains group-calling channel and describes, and adds again before the group calling, and system message does not finish receiving as yet.
3, the method for claim 1 is characterized in that, terminal is selected the Target cell of the maximum sub-district of C2 value as gravity treatment.
4, the method for claim 1 is characterized in that, described system message is system message 1, system message 2, system message 3 and system message 4.
5, method as claimed in claim 4 is characterized in that, described system message also comprises system message 2TER and system message 13.
6, the method for claim 1 is characterized in that, described notification message is issued on the notification message channel by network side, with ongoing Voice Broadcast Service or Voice Group Call Service on the notice terminal current network.
7, the method for claim 1 is characterized in that, if network side is configured to non-combination Common Control Channel pattern, then described logic channel is a Common Control Channel.
8, the method for claim 1 is characterized in that, if network side is configured to make up the Common Control Channel pattern, then described logic channel is Common Control Channel, Separate Dedicated Control Channel and slow associated control channel.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009043314A1 (en) * | 2007-09-28 | 2009-04-09 | Huawei Technologies Co., Ltd. | A call controlling method, base station subsystem and user terminal |
| CN102111722A (en) * | 2009-12-25 | 2011-06-29 | 普天信息技术研究院有限公司 | Group calling service rapid-continuing method |
| CN102164391A (en) * | 2010-02-21 | 2011-08-24 | 上海摩波彼克半导体有限公司 | Method for mobile equipment in wireless communication system to realize rapid cell reselection |
| CN103517213A (en) * | 2012-06-27 | 2014-01-15 | 福建先创通信有限公司 | Late signaling sending method in TDMA mobile communication system |
| CN103889072A (en) * | 2007-10-29 | 2014-06-25 | 交互数字专利控股公司 | Method for detecting and handling with radio link (rl) failures in wireless transmit and receive unit (wtru) and wtru |
| CN105451277A (en) * | 2014-08-06 | 2016-03-30 | 普天信息技术有限公司 | Method for answering group call during group call called UE cell reselection |
| WO2016131166A1 (en) * | 2015-02-16 | 2016-08-25 | 华为技术有限公司 | Method for monitoring license assist access cell, equipment and base station |
| CN108811162A (en) * | 2017-05-04 | 2018-11-13 | 维沃移动通信有限公司 | A kind of system information transmission method, terminal and base station |
| CN109640275A (en) * | 2018-12-24 | 2019-04-16 | 新华三技术有限公司成都分公司 | Residence reselecting, device and broadband cluster system |
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| US5530914A (en) * | 1994-08-15 | 1996-06-25 | Motorola, Inc. | Method for determining when a radio leaves a radio talk group |
| CN1235418C (en) * | 2001-10-30 | 2006-01-04 | 中兴通讯股份有限公司 | Modile communicatoin system and its group service realizing method |
| CN100440768C (en) * | 2003-09-22 | 2008-12-03 | 华为技术有限公司 | Method for clustered user's terminal switching between small zones |
| CN100456874C (en) * | 2004-03-24 | 2009-01-28 | 华为技术有限公司 | Method for realizing call of fast group calling |
| CN1314296C (en) * | 2004-06-12 | 2007-05-02 | 中兴通讯股份有限公司 | Method for realizing hard changing-over in CDMA cluster system |
| CN100397923C (en) * | 2004-07-19 | 2008-06-25 | 华为技术有限公司 | Method for broadcasting parameters of trunking system |
| CN100438686C (en) * | 2004-08-02 | 2008-11-26 | 华为技术有限公司 | Cross district switching method for colony mobile station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009043314A1 (en) * | 2007-09-28 | 2009-04-09 | Huawei Technologies Co., Ltd. | A call controlling method, base station subsystem and user terminal |
| CN103889072A (en) * | 2007-10-29 | 2014-06-25 | 交互数字专利控股公司 | Method for detecting and handling with radio link (rl) failures in wireless transmit and receive unit (wtru) and wtru |
| US9749877B2 (en) | 2007-10-29 | 2017-08-29 | Interdigital Patent Holdings, Inc. | Method for detecting radio link failure for transmission over enhanced dedicated channel in a CELL—FACH state |
| CN103889072B (en) * | 2007-10-29 | 2018-05-11 | 交互数字专利控股公司 | That implements in WTRU is used to detect and handle the method and WTRU of RL failures |
| CN102111722A (en) * | 2009-12-25 | 2011-06-29 | 普天信息技术研究院有限公司 | Group calling service rapid-continuing method |
| CN102111722B (en) * | 2009-12-25 | 2013-07-24 | 普天信息技术研究院有限公司 | Group calling service rapid-continuing method |
| CN102164391A (en) * | 2010-02-21 | 2011-08-24 | 上海摩波彼克半导体有限公司 | Method for mobile equipment in wireless communication system to realize rapid cell reselection |
| CN102164391B (en) * | 2010-02-21 | 2014-10-15 | 上海摩波彼克半导体有限公司 | Method for mobile equipment in wireless communication system to realize rapid cell reselection |
| CN103517213A (en) * | 2012-06-27 | 2014-01-15 | 福建先创通信有限公司 | Late signaling sending method in TDMA mobile communication system |
| CN103517213B (en) * | 2012-06-27 | 2018-01-05 | 福建先创通信有限公司 | The sending method of late signaling in a kind of TDMA mobile communication system |
| CN105451277B (en) * | 2014-08-06 | 2019-05-17 | 普天信息技术有限公司 | A kind of group is answered the method that group is exhaled when exhaling called UE cell reselection |
| CN105451277A (en) * | 2014-08-06 | 2016-03-30 | 普天信息技术有限公司 | Method for answering group call during group call called UE cell reselection |
| WO2016131166A1 (en) * | 2015-02-16 | 2016-08-25 | 华为技术有限公司 | Method for monitoring license assist access cell, equipment and base station |
| US10291421B2 (en) | 2015-02-16 | 2019-05-14 | Huawei Technologies Co., Ltd. | Method for monitoring licensed-assisted access cell, device, and base station |
| CN108811162A (en) * | 2017-05-04 | 2018-11-13 | 维沃移动通信有限公司 | A kind of system information transmission method, terminal and base station |
| CN108811162B (en) * | 2017-05-04 | 2020-06-19 | 维沃移动通信有限公司 | System information transmission method, terminal and base station |
| CN109640275A (en) * | 2018-12-24 | 2019-04-16 | 新华三技术有限公司成都分公司 | Residence reselecting, device and broadband cluster system |
| CN109640275B (en) * | 2018-12-24 | 2021-09-07 | 新华三技术有限公司成都分公司 | Cell reselection method and device and broadband cluster system |
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