CN101854682A - Switching method and device - Google Patents
Switching method and device Download PDFInfo
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- CN101854682A CN101854682A CN200910106423A CN200910106423A CN101854682A CN 101854682 A CN101854682 A CN 101854682A CN 200910106423 A CN200910106423 A CN 200910106423A CN 200910106423 A CN200910106423 A CN 200910106423A CN 101854682 A CN101854682 A CN 101854682A
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Abstract
The embodiment of the invention discloses a switching method and a switching device. The switching method comprises the following steps of: determining a reconstruction constraint condition (RRC); after RLF occurs in a switching process, selecting a cell to perform random access and initiating RRC reconstruction; and performing the RRC reconstruction with a network according to the RRC. In the embodiment of the invention, a UE RRC reconstruction process after RLF is constrained, so the problem of continuous RRC link reconstruction of the UE due to faulty radio parameter configuration in eNB in which a UE context exists of UE after the RLF occurs in the switching process is solved. After the scheme is applied, the UE is prevented from continuing reconstruction try after multiple RRC reconstruction failures, so the air interface resource of a system and the power consumption of the UE are saved.
Description
Technical field
The present invention relates to wireless communication field, especially a kind of method and apparatus of switching.
Background technology
At LTE (Long Term Evolution, Long Term Evolution) in the technology, after switch decision takes place, source eNB (Source eNodeB, source base station) will require target eNB (Target eNodeB, target BS) is UE (user equipment, subscriber equipment) sets up corresponding radio resource and preserve the contextual information of UE, source eNB issues switching command (comprise in the order and be the UE assigned radio resource in the target eNB) to UE requirement and switches to target eNB then, UE is after target eNB is obtained synchronous back and sent the switching affirmation, can be under new sub-district operate as normal errorless, handover success then.
But in handoff procedure various abnormal conditions can take place.Wherein a kind of situation is present in former Radio Link and worsens, causes UE not receive the scene of the switching command that source eNB issues suddenly, and can cause the processing of UE to RLF (Radio Link Failure, radio link failure) this moment.
After RLF took place, UE can carry out the sub-district reselection operation, and selected a proper cell to carry out at random and insert.The selected new sub-district of UE generally is divided into four kinds of situations: another sub-district under cell-of-origin, the source eNB, prepare sub-district under sub-district under the switchable resource eNB, other eNB.
For the situation of preparing the sub-district under the switchable resource eNB, UE will at first initiate random access procedure, initiate RRC (Radio Resource Control, Radio Resource control) connection re-establishment process after finishing and connect to rebuild RRC.RRC rebuild upright process and can normally finish owing to comprise the UE context in the selected sub-district this moment.
After rebuilding the RRC successful connection, network side will be initiated the RRC reconfiguration course, bring the Radio Resource that UE works and uses in new sub-district in the RRC reconfiguration message.If UE can work under the configuration wireless parameter, will send RRC and connect to reshuffle and finish message (RRC Connection Reconfiguration Complete) and finish whole flow process; If UE can't work under the configuration wireless parameter, UE will reselect the sub-district and initiate RRC connection re-establishment process.
The inventor finds in the research to prior art, if UE can't accept wireless parameter that network side disposes (for example EUTRAN side configuration parameter is wrong) all the time, the upright process of RRC reconstruction will be sustained so, and then cause UE constantly to repeat to rebuild upright RRC connection, expend system resource.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of switching, and after solution in handoff procedure RLF took place, UE was in existing the contextual eNB of UE, and the RRC that causes because of the wireless parameter configuration error connects the problem of standing of constantly rebuilding.
A kind of method of switching comprises:
Determine that RRC rebuilds constraints;
After in handoff procedure, RLF taking place, select the sub-district to insert at random, initiate RRC and rebuild upright;
Rebuild constraints according to described RRC, carry out RRC with network side and rebuild upright.
A kind of changing method comprises:
Determine that RRC rebuilds constraints;
Described RRC is rebuild constraints by broadcasting to subscriber equipment, make described subscriber equipment that RLF take place in switching and when selecting the sub-district to insert at random, rebuild constraints, carry out RRC with network side and rebuild and stand according to described RRC.
A kind of switching device shifter comprises: determination module and RRC rebuilding module;
Described determination module is used for determining that RRC rebuilds constraints, and described RRC is rebuild constraints notify described RRC rebuilding module;
The RRC that described RRC rebuilding module is used for determining according to described determination module rebuilds constraints, when subscriber equipment RLF takes place in switching and selects the sub-district to insert at random, rebuilds constraints according to described RRC, carries out RRC with network side and rebuilds upright.
A kind of access network equipment, described access network equipment comprise module and sending module are set;
The described module that is provided with is used to generate RRC reconstruction constraints;
Described sending module is used for described RRC is rebuild constraints by broadcasting to the subscriber equipment in the relevant range, make described subscriber equipment that RLF take place in switching and when selecting the sub-district to insert at random, rebuild constraints according to described RRC, carry out RRC with network side and rebuild upright.
As shown from the above technical solution, the embodiment of the invention retrains by the UE RRC behind the RLF being rebuild upright process.Solved in the handoff procedure RLF takes place after, the RRC that UE causes because of the wireless parameter configuration error in having the contextual eNB of UE connects the upright problem of constantly rebuilding.Use this programme, can limit UE continues to do reconstruction behind RRC reconfiguration failure repeatedly trial, save system's interface-free resources and UE power consumption.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of embodiment of the invention changing method;
Fig. 2 is that the embodiment of the invention is rebuild the method flow diagram that the number of times restriction is switched according to maximum;
Fig. 3 is an embodiment of the invention device schematic diagram;
Fig. 4 is an embodiment of the invention access network equipment schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
At first the method to a kind of switching of the embodiment of the invention describes.As shown in Figure 1, comprising:
S101, determine that RRC rebuilds constraints;
The method of the embodiment of the invention is to carry out the protective measure that RRC rebuilds upright process in the UE side, like this, needs UE can know that relevant RRC rebuilds constraints.Concrete, can in UE, rebuild constraints by built-in described RRC, that is, and can be directly by relevant communication protocol agreement related constraint condition value; In addition, network side, constraints value and in system information broadcast, inform the selected physical constraint condition of UE relevant parameter as described in also can setting as the EUTRAN side.UE rebuilds constraints information by receiving the RRC that comprises in the said system broadcast, determines that RRC rebuilds constraints.
Described RRC rebuilds constraints information, can comprise maximum number of times or the maximum reconstruction time rebuild, and also can comprise maximum number of times and the maximum reconstruction time rebuild simultaneously.In addition, it will be appreciated by those skilled in the art that and be familiar with other rebuild constraints information, only otherwise break away from the essence of the embodiment of the invention, also should fall into protection scope of the present invention.
S102, RLF takes place in handoff procedure after, select the sub-district to insert at random, initiate RRC and rebuild upright;
Owing in handoff procedure various abnormal conditions can take place, for example former Radio Link worsens, causes UE not receive the scene of the switching command that source eNB issues suddenly, can cause the processing of UE to RLF this moment, RLF takes place after, UE can carry out the sub-district reselection operation, and selects a proper cell to carry out at random and insert.The selected new sub-district of UE is general divides four kinds of situations: another sub-district under cell-of-origin, the source eNB, prepare sub-district under sub-district under the switchable resource eNB, other eNB.For the scene of preparing the sub-district under the switchable resource eNB, UE will at first initiate random access procedure, initiate RRC connection re-establishment process after finishing and connect to rebuild RRC.Initial RRC rebuild upright process and generally can normally finish owing to comprise the UE context in the selected sub-district this moment.
S103, rebuild constraints, carry out RRC with network side and rebuild upright according to described RRC.
After rebuilding the RRC successful connection, network side will be initiated the RRC reconfiguration course, bring the Radio Resource that UE works and uses in new sub-district in the RRC reconfiguration message.If UE can work under the configuration wireless parameter, will send RRC Connection Reconfiguration Complete message and finish whole flow process; If UE can't work under the configuration wireless parameter, UE will reselect the sub-district and initiate RRC connection re-establishment process.Constantly repeat to initiate RRC connection re-establishment process for avoiding UE can't accept the wireless parameter that network side disposes all the time, UE can determine that RRC rebuilds constraints according to aforementioned, RRC is rebuild retrain.
Concrete, it can be maximum the reconstruction number of times or time that described RRC rebuilds constraints, also can be to comprise maximum the reconstruction number of times and time simultaneously.
For example, UE can stop carrying out RRC and rebuild upright process and enter the RRC-IDLE attitude reaching maximum when rebuilding number of times, also can initiate the RRC reconstruction time when surpassing maximum RRC reconstruction time at UE, stops carrying out RRC and rebuilds upright process and enter the RRC-IDLE attitude;
UE also can reach the maximum number of times of rebuilding, and initiates the RRC reconstruction time when reaching two conditions of maximum RRC reconstruction time and satisfying simultaneously, stops carrying out RRC and rebuilds upright process and enter the RRC-IDLE attitude;
UE can also rebuild number of times or initiate the RRC reconstruction time when reaching any one condition in two conditions of maximum RRC reconstruction time and satisfying reaching maximum in addition, stops carrying out RRC and rebuilds upright process and enter the RRC-IDLE attitude.
The described changing method of the embodiment of the invention can comprise following embodiment, describes in detail below in conjunction with accompanying drawing:
First kind of execution mode:
UE rebuilds the number of times restrictive condition according to maximum, carries out RRC with network side and rebuilds upright.
It is 3 times that network side is set the maximum reconstruction of the interior UE in certain zone number of times, and by system information broadcast described parameter is informed UE; It is certainly, described that maximum to rebuild number of times information also can be the setting of UE itself.
RLF takes place in UE in handoff procedure, insert at random so UE selects to comprise the adjacent sub-district of contextual certain eNB of UE;
UE is 3 times restriction according to the described maximum number of times of rebuilding, and carries out RRC with network side and rebuilds uprightly, referring to accompanying drawing 2, specifically can comprise the steps:
RLF takes place in S1, handoff procedure, inserts at random and finishes;
It is 0 that S2, initialization RRC rebuild number of times, starts RRC and rebuilds the protection register;
S3, selection suitable cell are carried out at random and are inserted, and initiate RRC and rebuild the process of standing, and RRC rebuilds number of times and increases 1, forwards the S4 step to;
S4, judgement RRC rebuild upright result, if RRC rebuilds success and RRC reshuffles successfully, then enter the S7 step, and it is professional that UE recovers; The RRC reconfiguration failure if RRC rebuilds successfully changes the S5 step;
S5, judge that RRC rebuilds number of times and whether reaches and limit number of times (present embodiment exceeds with 3 times), not reaching changes the S3 step; As reach and change the S6 step;
S6, UE enter the RRC_IDLE attitude.
Present embodiment is rebuild number of times by the RRC to UE and is limited, and has avoided UE constantly to do behind the RRC reconfiguration failure and has rebuild trial, has saved system's interface-free resources and UE power consumption.
Second kind of execution mode:
Second kind of execution mode and first kind of execution mode are similar, and its difference is that present embodiment limits the UE reconstruction time, and UE carries out RRC with network side and rebuilds upright according to maximum reconstruction time restrictive condition.
Network side is set the maximum reconstruction time of the interior UE in certain zone 10 seconds, and by system information broadcast described parameter is informed UE; Certainly, described maximum reconstruction time information also can be the setting of UE itself.
Concrete; can in the step S2 of aforementioned first kind of execution mode, be provided with and rebuild the protection timer; zero clearing and startup are clocked; reconstruction protection timer is provided with the maximum guard time of rebuilding can be 10 seconds; like this, in the subsequent step process, if can not reshuffle success and overtime; then UE forwards the S6 step to, enters the RRC_IDLE attitude.
Present embodiment limits by the RRC reconstruction time to UE, has avoided UE constantly to do behind the RRC reconfiguration failure and has rebuild trial, has saved system's interface-free resources and UE power consumption.
The 3rd execution mode:
Present embodiment limits UE reconstruction time and reconstruction number of times simultaneously, and the UE while carries out the RRC reconstruction with network side and stands according to maximum reconstruction time restrictive condition and the maximum number of times restrictive condition of rebuilding.
Network side is set the maximum reconstruction time of the interior UE in certain zone and maximum is rebuild number of times, and by system information broadcast described parameter is informed UE, and for example maximum reconstruction time is 10 seconds, and it is 4 times that maximum is rebuild number of times; Certainly, described maximum reconstruction time and maximum to rebuild number of times information also can be the setting of UE itself.
Concrete; can in the step S2 of aforementioned first kind of execution mode, be provided with simultaneously and rebuild the protection counter and rebuild the protection timer; and with the two all zero clearing and startup; like this; in the subsequent step process,, rebuild number of times and reach maximum number of times (present embodiment is 4 times) and the reconstruction time overtime (present embodiment is 10 seconds) rebuild if can not reshuffle successfully; then UE forwards the S6 step to, enters the RRC_IDLE attitude.
Present embodiment limits by simultaneously the RRC reconstruction time of UE and RRC being rebuild number of times, has avoided UE constantly to do behind the RRC reconfiguration failure rebuilding attempting, and has saved system's interface-free resources and UE power consumption.
In addition, can obtain simultaneously at UE under the situation of maximum RRC reconstruction time and maximum RRC reconstruction number of times parameter, UE also can be by after judging that described any one constraints parameter satisfies, promptly no longer carrying out RRC rebuilds upright process and enters the RRC-IDLE state, detailed process can not repeat them here with reference to previous embodiment.
The embodiment of the invention also provides a kind of device for switching of carrying out, and described device generally is arranged in UE, and described device comprises:
Described determination module 301 is used for determining that RRC rebuilds constraints, and described RRC is rebuild constraints notify described RRC rebuilding module 302;
Concrete, described determination module 301 can comprise acquisition module (accompanying drawing does not draw), described acquisition module is used to receive the RRC reconstruction constraints information of network side by broadcast transmission;
Described determination module can also have another kind of implementation, and promptly described determination module 301 can comprise memory module (accompanying drawing does not draw), and described memory module is used for being stored in the RRC reconstruction constraints information that UE is provided with;
Described RRC rebuilds constraints information can comprise that maximum RRC rebuilds number of times or maximum RRC reconstruction time.
The RRC that described RRC rebuilding module 302 is determined according to described determination module 301 rebuilds constraints, handles the switching with network side;
Concrete, be between maximum RRC rebuilds immediately if described RRC rebuilds constraints, when UE initiates RRC when surpassing maximum RRC reconstruction time between rebuilding immediately, described RRC rebuilding module stops RRC and rebuilds upright process and also enter the RRC-IDLE attitude.
If it is that maximum RRC rebuilds upright number of times that described RRC rebuilds constraints, when UE initiates RRC when surpassing maximum RRC between rebuilding immediately and rebuilding number of times, described RRC rebuilding module stops RRC and rebuilds upright process and also enter the RRC-IDLE attitude
If rebuilding constraints, described RRC comprises that simultaneously maximum RRC rebuilds upright number of times with maximum RRC between rebuilding immediately, when UE initiates to surpass maximum RRC reconstruction time between RRC reconstruction immediately, and UE initiates RRC when surpassing maximum RRC between rebuilding immediately and rebuilding number of times, and described RRC rebuilding module stops RRC and rebuilds upright process and also enter the RRC-IDLE attitude; Perhaps, described UE initiate RRC surpass between rebuilding immediately maximum RRC reconstruction time and UE initiate RRC surpass between rebuilding immediately maximum RRC rebuild these two conditions of number of times any one when satisfying, described RRC rebuilding module stops RRC and rebuilds upright process and also enter the RRC-IDLE attitude.
In sum, the embodiment of the invention retrains by the UE RRC behind the RLF being rebuild upright process.Solved in the handoff procedure RLF takes place after, the RRC that UE causes because of the wireless parameter configuration error in having the contextual eNB of UE connects the upright problem of constantly rebuilding.Use this programme, can limit UE, save system's interface-free resources and UE power consumption repeatedly continuing to do the reconstruction trial behind the RRC reconfiguration failure.
The embodiment of the invention also provides a kind of access network equipment, described access network equipment is arranged in EUTRAN, for example can be eNodeB, as shown in Figure 4, described access network equipment comprises module 401 and sending module 402 is set, and the described module 401 that is provided with is used for generating RRC according to network condition and rebuilds constraints; Described sending module 402 is used for described RRC is rebuild the constraints parameter by broadcasting to the subscriber equipment in the relevant range.
The described module 401 generation RRC reconstruction constraintss that are provided with specifically can artificially be provided with, and also can be generated automatically according to network condition by system.
Described sending module 402 can periodically send to relevant user equipment by broadcast with related constraint conditional parameter information, also can be sent at random according to the network actual conditions by the network of relation planning personnel.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a changing method is characterized in that, described method comprises:
Determine that RRC rebuilds constraints;
After in handoff procedure, RLF taking place, select the sub-district to insert at random, initiate RRC and rebuild upright;
Rebuild constraints according to described RRC, carry out RRC with network side and rebuild upright.
2. as the changing method in the claim 1, it is characterized in that described definite RRC rebuilds constraints and specifically can comprise:
Built-in described RRC rebuilds constraints in UE;
Perhaps
The RRC that obtains to comprise in the broadcasting by the broadcasting that receives network side rebuilds constraints information.
3. the changing method described in claim 1 is characterized in that, described RRC rebuilds constraints and comprises:
RRC rebuilds number of times and/or RRC reconstruction time.
4. the changing method described in claim 3 is characterized in that, rebuilds constraints according to described RRC, carries out RRC with described network side and rebuilds upright being specially:
Initiate RRC when subscriber equipment and rebuild number of times and reach maximum RRC and rebuild upright number of times and/or subscriber equipment and initiate the RRC reconstruction time and surpass maximum RRC reconstruction time, then subscriber equipment stops carrying out RRC and rebuilds upright process and enter the RRC-IDLE attitude.
5. a changing method is characterized in that, described method comprises:
Determine that RRC rebuilds constraints;
Described RRC is rebuild constraints by broadcasting to subscriber equipment, make described subscriber equipment that RLF take place in switching and when selecting the sub-district to insert at random, rebuild constraints, carry out RRC with network side and rebuild and stand according to described RRC.
6. changing method as claimed in claim 5 is characterized in that, described RRC rebuilds constraints and comprises:
RRC rebuilds upright number of times and/or RRC reconstruction time.
7. a switching device shifter is characterized in that, described device comprises: determination module and RRC rebuilding module;
Described determination module is used for determining that RRC rebuilds constraints, and described RRC is rebuild constraints notify described RRC rebuilding module;
The RRC that described RRC rebuilding module is used for determining according to described determination module rebuilds constraints, when subscriber equipment RLF takes place in switching and selects the sub-district to insert at random, rebuilds constraints according to described RRC, carries out RRC with network side and rebuilds upright.
8. switching device shifter as claimed in claim 7 is characterized in that, described RRC rebuilds constraints and comprises:
RRC rebuilds upright number of times and/or RRC reconstruction time.
9. as claim 7 or 8 described devices, it is characterized in that described determination module comprises acquisition module, described acquisition module is used to receive the RRC reconstruction constraints information of network side by broadcast transmission.
10. as claim 7 or 8 described devices, it is characterized in that described determination module comprises memory module, described memory module is used for being stored in the RRC reconstruction constraints information that UE sets in advance.
11. an access network equipment is characterized in that, described access network equipment comprises module and sending module is set;
The described module that is provided with is used to generate RRC reconstruction constraints;
Described sending module is used for described RRC is rebuild constraints by broadcasting to the subscriber equipment in the relevant range, make described subscriber equipment that RLF take place in switching and when selecting the sub-district to insert at random, rebuild constraints according to described RRC, carry out RRC with network side and rebuild upright.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106423A CN101854682A (en) | 2009-03-31 | 2009-03-31 | Switching method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106423A CN101854682A (en) | 2009-03-31 | 2009-03-31 | Switching method and device |
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| CN101854682A true CN101854682A (en) | 2010-10-06 |
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| CN200910106423A Pending CN101854682A (en) | 2009-03-31 | 2009-03-31 | Switching method and device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026404A (en) * | 2010-12-16 | 2011-04-20 | 重庆邮电大学 | System and method for processing radio resource control connection reconfiguration in long term evolution (LTE) system |
| CN102045875A (en) * | 2011-01-05 | 2011-05-04 | 大唐移动通信设备有限公司 | Radio resource control (RRC) connection establishment method and device |
| CN102076041A (en) * | 2011-01-30 | 2011-05-25 | 大唐移动通信设备有限公司 | Resource allocation method and device |
| CN104158638A (en) * | 2013-05-13 | 2014-11-19 | 中兴通讯股份有限公司 | Method and system for controlling UE to retransmitting data transmission request, network side equipment and UE |
| WO2015027381A1 (en) * | 2013-08-26 | 2015-03-05 | 华为技术有限公司 | Radio link failure handling method, user equipment and base station |
| CN105612807A (en) * | 2013-10-10 | 2016-05-25 | 高通股份有限公司 | Addressing radio link failures in wireless communication systems |
| CN110572884A (en) * | 2012-03-15 | 2019-12-13 | 瑞典爱立信有限公司 | Method and apparatus for connection re-establishment in a telecommunications system |
| CN111698746A (en) * | 2019-03-12 | 2020-09-22 | 大唐移动通信设备有限公司 | Cell switching method and device |
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2009
- 2009-03-31 CN CN200910106423A patent/CN101854682A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026404A (en) * | 2010-12-16 | 2011-04-20 | 重庆邮电大学 | System and method for processing radio resource control connection reconfiguration in long term evolution (LTE) system |
| CN102045875A (en) * | 2011-01-05 | 2011-05-04 | 大唐移动通信设备有限公司 | Radio resource control (RRC) connection establishment method and device |
| CN102076041A (en) * | 2011-01-30 | 2011-05-25 | 大唐移动通信设备有限公司 | Resource allocation method and device |
| CN102076041B (en) * | 2011-01-30 | 2014-10-29 | 大唐移动通信设备有限公司 | Resource allocation method and device |
| CN110572884A (en) * | 2012-03-15 | 2019-12-13 | 瑞典爱立信有限公司 | Method and apparatus for connection re-establishment in a telecommunications system |
| CN110572884B (en) * | 2012-03-15 | 2023-06-30 | 瑞典爱立信有限公司 | Method and apparatus for connection re-establishment in a telecommunications system |
| CN104158638A (en) * | 2013-05-13 | 2014-11-19 | 中兴通讯股份有限公司 | Method and system for controlling UE to retransmitting data transmission request, network side equipment and UE |
| WO2015027381A1 (en) * | 2013-08-26 | 2015-03-05 | 华为技术有限公司 | Radio link failure handling method, user equipment and base station |
| CN105612807A (en) * | 2013-10-10 | 2016-05-25 | 高通股份有限公司 | Addressing radio link failures in wireless communication systems |
| CN105612807B (en) * | 2013-10-10 | 2017-08-29 | 高通股份有限公司 | Solve the radio bearer setup complete in wireless communication system |
| CN111698746A (en) * | 2019-03-12 | 2020-09-22 | 大唐移动通信设备有限公司 | Cell switching method and device |
| CN111698746B (en) * | 2019-03-12 | 2021-09-28 | 大唐移动通信设备有限公司 | Cell switching method and device |
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Application publication date: 20101006 |