CN101394621A - Mode switching method for random access process of dual-mode mobile phone - Google Patents
Mode switching method for random access process of dual-mode mobile phone Download PDFInfo
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- CN101394621A CN101394621A CNA2007101522297A CN200710152229A CN101394621A CN 101394621 A CN101394621 A CN 101394621A CN A2007101522297 A CNA2007101522297 A CN A2007101522297A CN 200710152229 A CN200710152229 A CN 200710152229A CN 101394621 A CN101394621 A CN 101394621A
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Abstract
The invention discloses a mode switching method of a random access process for a double mode mobile phone. The mode switching method comprises the following steps: carrying out cell search under a communication mode, completing position registration and cell residence under the communication mode; and simultaneously monitoring a page message from the communication mode. The communication mode comprises at least a communication mode; when the page message of the communication mode is received, random access is conducted by using a network under the communication mode, and a timer corresponding to the communication mode is enabled; the timer is used for timing the random access process; after the timer random access process reaches the regulated time, if the communication mode fails to realize the random access, the double mode mobile phone selects another communication mode under the communication mode to initiate the random access and enables the timer corresponding to the communication mode; when the random access is realized, the timer corresponding to the communication mode is closed, thereby establishing a service channel in the communication mode.
Description
Technical field
The present invention relates to a kind of second generation mobile communication (being called for short 2G) and 3G (Third Generation) Moblie (being called for short 3G) technology, specifically, relate to a kind of dual-mode handset and select the method for access module at random.
Background technology
Be in wireless terminal under the holding state in the wireless network roaming process, if receive the paging that network side is initiated or receive that this terminal use's active call requires to initiate random access procedure, set up Dedicated Traffic Channel by random access procedure to the network side request, transmit traffic data and signaling on Dedicated Traffic Channel.There is the risk of access failure in the random access procedure that mobile radio terminal is initiated.Such as, abominable when wireless channel environment, when network side can not correctly receive the request that terminal sends, wireless terminal can not get network response or network because the Radio Resource anxiety, and user's request will be rejected.
The failure of Jie Ruing will cause Dedicated Traffic Channel to be established at random, the business of application layer can't be executed correctly, thereby influence quality of service, reduce customer satisfaction, therefore how to improve and insert the important topic that success rate is a wireless communication technology at random, in 2G and 3G system, have a lot of correlation techniques to go to solve this respect problem.
At present mobile radio system from 2G to 3G evolution, will be the general layout of 2G system and 3G coexistence of systems in long-term a period of time from now on.There is multiple standard in the 3G system in addition, and as WCDMA, CDMA2000 and TD-SCDMA, dual-mode handset is a product of complying with this variation tendency.The employed two kinds of patterns of dual-mode handset can not freely be switched selection at present, need the user manually to select the communication pattern that uses.
When dual-mode handset selects a kind of communication pattern to initiate to insert at random, if the random access procedure failure takes place, the prior art scheme will continue to use original communication pattern to continue to seek the sub-district of this communication pattern, user intervention inserts at random and can not automatically switch to another pattern, unless just can switch to another kind of pattern inserts at random.This implementation method not only causes communication delay, has reduced telecommunication service quality, also makes troubles to the user simultaneously.
Summary of the invention
Technical problem solved by the invention provides a kind of pattern automatic switching method of dual-mode handset random access procedure, can realize the automatic switchover of communication pattern, has improved and has inserted success rate at random.
Technical scheme is as follows:
A kind of mode switching method of dual-mode handset random access procedure, step comprises:
(1) communicates Cell searching under the standard, finish location registers under described communication standard and sub-district residently, monitor beep-page message simultaneously from described communication standard; Described communication standard comprises at least a communication pattern;
(2) behind the beep-page message that receives described communication pattern, use the network under this communication pattern to insert at random, and start the timer of described communication pattern correspondence, described timer is used for the random access procedure timing;
(3) after the timer of described communication pattern correspondence arrives the stipulated time, if described communication pattern is not successfully realized inserting at random, then dual-mode handset is selected another communication pattern initiation access at random under the described communication standard for use, and starts the timer of described communication pattern correspondence; When inserting at random successfully, then close the timer of described communication pattern correspondence, under described communication pattern, set up Traffic Channel.
Further, in the step (1), described communication standard comprises TD-SCDMA pattern and GSM pattern.
Further, in step (2) and the step (3), before described timer arrives the stipulated time, if the access failure at random of described counter correspondence carries out the Cell searching under the communication pattern of described counter correspondence again.
Further, in the step (3),, then close the timer of described communication pattern correspondence, under described communication pattern, set up Traffic Channel, and carry out communicating by letter of signaling and data service when before described timer arrives the stipulated time, realizing inserting at random.
Further, in the step (3), another communication pattern is initiated in the random access procedure under selecting communication standard for use, if the communication pattern that described initiation inserts at random allows dual-mode handset to insert, then reply and allow to insert message to described dual-mode handset, described dual-mode handset is closed the timer under the described communication pattern, and the network of described dual-mode handset and described communication pattern is set up radio traffic channel.
Adopt the inventive method, can realize the automatic switchover of communication pattern in the dual-mode handset random access procedure, can give full play to the dual-mode handset advantage, improve and insert success rate at random, shorten communication delay, improve communication quality, simplify user's operation, avoid the situation of the access failure that the dual-mode handset user occurs in random access procedure, also improved user satisfaction simultaneously.
Description of drawings
Fig. 1 is the flow chart of the mode switching method of dual-mode handset random access procedure.
Embodiment
The communication standard of supposing dual-mode handset comprises Mode A and two kinds of communication patterns of Mode B, when dual-mode handset carries out random access procedure, at first use Mode A to initiate to insert at random as communication pattern, owing to the reason of radio signal quality problem or network side causes this dual-mode handset can't access network, then this dual-mode handset starts timer T1, continues to use Mode A to carry out the next time of access attempts at random; When if timer T1 reaches setting, dual-mode handset does not also insert successfully at random, then selects the access at random of communication mode B network automatically for use, and start timer T2 simultaneously, if insert at random successfully, then set up Traffic Channel by the Mode B network, insert at random successfully; , timer T2 also do not insert successfully then random access procedure failure at random if reaching the setting dual-mode handset.
With reference to the accompanying drawings, the preferred embodiments of the present invention are described in detail.
With reference to shown in Figure 1, the mode switching method of dual-mode handset random access procedure is described in detail.
Step S101: dual-mode handset comprises communication mode A and two kinds of communication patterns of Mode B, carry out in the initial cell search procedure in the dual-mode handset start, simultaneously the sub-district of two kinds of communication patterns is searched for, finished the location registers and the sub-district of two kinds of communication standard networks resident respectively.
Step S102: mobile phone is provided with paging cycle according to the broadcast of two kinds of communication pattern networks, monitors the beep-page message from two kinds of communication patterns simultaneously.
Step S103: select for use the communication pattern of receiving beep-page message to insert at random, start the timer under this pattern simultaneously.
If receive the beep-page message of Mode A network, use the Mode A network communication mode to insert at random with regard to preparing, start timer T1; If receive the beep-page message of Mode B network, use the Mode B network communication mode to insert at random with regard to preparing, start timer T2.
If the user initiates active call, then be provided with and select for use a kind of communication pattern to insert at random according to the user, suppose at first to select for use Mode A, startup timer T1 when initiating random access procedure is in order to the random access procedure timing; If at first select Mode B for use, when initiating random access procedure, start timer T2, in order to the random access procedure timing.
Step S104: judge whether access at random is successful.
If certain at random access module insert successfully execution in step S105 then; Otherwise, execution in step S106.
At this, suppose that Mode A at first inserts success.
Step S105: close timer T1, dual-mode handset is set up radio traffic channel, and and the network delivery signaling and the business datum of Mode A, the success of access at random of Mode A finishes random access procedure.
Step S106: judge whether timer T1 arrives the stipulated time.
If timer T1 does not arrive stipulated time, execution in step S107; If timer T1 arrives stipulated time, execution in step S108.
Step S107: carry out the Cell searching of Mode A again, find and attempt initiating random access procedure after the proper cell again, then, execution in step S104.
Step S108: if timer T1 arrives the stipulated time, Mode A is not still successfully realized inserting at random, and then dual-mode handset selects for use communication mode B to initiate to insert at random, starts timer T2 simultaneously.
Whether step S109: judgment model B inserts successful at random.
If Mode B inserts success, execution in step S110 at random; If Mode B is access failure at random, execution in step S113.
Step S110: if Mode B inserts success at random, dual-mode handset utilizes uplink random to insert the signaling that message is carried, notification mode B network " use Mode A access failure at random, request is set up Dedicated Traffic Channel at Mode B ".After the Mode B network is received this message, by with the network exchange information of Mode A, notification mode A network.After Mode A network and Mode B network negotiate, determine whether to allow dual-mode handset to use the Mode B network to set up Traffic Channel.
Step S111: consult under the Mode B network, whether judgment model B network allows this dual-mode handset to insert.
If the Mode B network allows dual-mode handset to insert execution in step S112; Otherwise, execution in step S114.
Step S112: if the Mode B network allows dual-mode handset to insert, then the Mode B network is replied and is allowed to insert message to dual-mode handset, dual-mode handset is closed timer T2, dual-mode handset and Mode B network are set up radio traffic channel then, insert successfully the random access procedure under the end mode B network at random.
Step S113: judge whether timer T2 arrives the stipulated time.
If timer T2 arrives the stipulated time, the random access procedure under the end mode B network; Grouping execution in step S114.
Step S114: dual-mode handset carries out the Cell searching and the gravity treatment of Mode B, finds and attempts initiating random access procedure after the proper cell again.
Enforcement to technical scheme is described in further detail below, is bimodulus handoff procedure in the example explanation random access procedure with TD-SCDMA and GSM dual-mode handset.
At first, carry out search of initial zone after the dual-mode handset start, finish the location registers and the sub-district of TD-SCDMA and GSM network resident respectively; Mobile phone is provided with corresponding paging cycle according to TD-SCDMA and GSM network broadcast separately then, receives Page Indication Channel separately respectively, thereby realizes monitoring simultaneously the beep-page message from two kinds of patterns.
When the paging of receiving the GSM network, at first use the GSM standard to insert at random with regard to preparing; When initiating random access procedure, start a timer T1, in order to the random access procedure timing.If insert at random successfully, close timer T1, then dual-mode handset is set up gsm wireless Traffic Channel and GSM network delivery signaling and business datum according to the existing protocol flow process, inserts at random successfully, finishes random access procedure; If access failure then carries out the search and the gravity treatment of GSM sub-district at random, find and attempt initiating random access procedure after the proper cell again.
If before timer T1 arrives the stipulated time, realize inserting at random successfully, then close timer T1, set up Traffic Channel with the GSM network side and carry out communicating by letter of signaling and data service; If timer T1 arrives the stipulated time, still do not realize inserting at random successfully, then dual-mode handset selects for use the TD-SCDMA pattern to initiate to insert at random, starts timer T2 simultaneously.
If the TD-SCDMA pattern inserts success at random, dual-mode handset utilizes uplink random to insert the signaling that message is carried, notice TD-SCDMA network side " use GSM pattern access failure at random, request is set up Dedicated Traffic Channel at the TD-SCDMA network ".The TD-SCDMA network side passes through the GSM network after receiving this message, through GSM network and TD-SCDMA network negotiate, determines whether to allow dual-mode handset to use the TD-SCDMA network to set up Traffic Channel.Through negotiation, if the TD-SCDMA network allows dual-mode handset to insert, then to reply message and give dual-mode handset, dual-mode handset is closed timer T2, and dual-mode handset and TD-SCDMA network are set up radio traffic channel then, insert at random successfully, finish random access procedure.
Claims (5)
1, a kind of mode switching method of dual-mode handset random access procedure, step comprises:
(1) communicates Cell searching under the standard, finish location registers under described communication standard and sub-district residently, monitor beep-page message simultaneously from described communication standard; Described communication standard comprises at least a communication pattern;
(2) behind the beep-page message that receives described communication pattern, use the network under this communication pattern to insert at random, and start the timer of described communication pattern correspondence, described timer is used for the random access procedure timing;
(3) after the timer of described communication pattern correspondence arrives the stipulated time, if described communication pattern is not successfully realized inserting at random, then dual-mode handset is selected another communication pattern initiation access at random under the described communication standard for use, and starts the timer of described communication pattern correspondence; When inserting at random successfully, then close the timer of described communication pattern correspondence, under described communication pattern, set up Traffic Channel.
2, the mode switching method of dual-mode handset random access procedure according to claim 1 is characterized in that, in the step (1), described communication standard comprises TD-SCDMA pattern and GSM pattern.
3, the mode switching method of dual-mode handset random access procedure according to claim 1, it is characterized in that, in step (2) and the step (3), before described timer arrives the stipulated time, if the access failure at random of described counter correspondence carries out the Cell searching under the communication pattern of described counter correspondence again.
4, the mode switching method of dual-mode handset random access procedure according to claim 1, it is characterized in that, in the step (3), when before described timer arrives the stipulated time, realizing inserting at random, then close the timer of described communication pattern correspondence, under described communication pattern, set up Traffic Channel, and carry out communicating by letter of signaling and data service.
5, the mode switching method of dual-mode handset random access procedure according to claim 1, it is characterized in that, in the step (3), another communication pattern is initiated in the random access procedure under selecting communication standard for use, if the communication pattern that described initiation inserts at random allows dual-mode handset to insert, then reply and allow to insert message to described dual-mode handset, described dual-mode handset is closed the timer under the described communication pattern, and the network of described dual-mode handset and described communication pattern is set up radio traffic channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101522297A CN101394621A (en) | 2007-09-19 | 2007-09-19 | Mode switching method for random access process of dual-mode mobile phone |
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| CNA2007101522297A CN101394621A (en) | 2007-09-19 | 2007-09-19 | Mode switching method for random access process of dual-mode mobile phone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014465A (en) * | 2010-12-02 | 2011-04-13 | 新邮通信设备有限公司 | User equipment (UE) and processing method for UE in any cell searching state |
| CN110140414A (en) * | 2017-01-03 | 2019-08-16 | 三星电子株式会社 | For supporting the method and apparatus gently connected in next generation mobile communication system |
-
2007
- 2007-09-19 CN CNA2007101522297A patent/CN101394621A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014465A (en) * | 2010-12-02 | 2011-04-13 | 新邮通信设备有限公司 | User equipment (UE) and processing method for UE in any cell searching state |
| CN102014465B (en) * | 2010-12-02 | 2013-12-11 | 新邮通信设备有限公司 | User equipment (UE) and processing method for UE in any cell searching state |
| CN110140414A (en) * | 2017-01-03 | 2019-08-16 | 三星电子株式会社 | For supporting the method and apparatus gently connected in next generation mobile communication system |
| CN110140414B (en) * | 2017-01-03 | 2023-06-23 | 三星电子株式会社 | Method and device for supporting light connection in next generation mobile communication system |
| US11743789B2 (en) | 2017-01-03 | 2023-08-29 | Samsung Electronics Co., Ltd | Method and apparatus for supporting light connection in next generation mobile communication systems |
| US12041503B2 (en) | 2017-01-03 | 2024-07-16 | Samsung Electronics Co., Ltd. | Method and apparatus for supporting light connection in next generation mobile communication systems |
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Application publication date: 20090325 |