CN102036213A - Method, device and system for maintaining information in adjacent region - Google Patents
Method, device and system for maintaining information in adjacent region Download PDFInfo
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- CN102036213A CN102036213A CN2009101789447A CN200910178944A CN102036213A CN 102036213 A CN102036213 A CN 102036213A CN 2009101789447 A CN2009101789447 A CN 2009101789447A CN 200910178944 A CN200910178944 A CN 200910178944A CN 102036213 A CN102036213 A CN 102036213A
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- 238000012423 maintenance Methods 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000005457 optimization Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00835—Determination of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W24/04—Arrangements for maintaining operational condition
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Abstract
The invention discloses a method, a device and a system for maintaining the information in an adjacent region. In the scheme in the invention, eNB maintains the information stored in a GERAN (GSM EDGE radio access network) adjacent region according to the grouping switching capability information dynamically obtained in the GERAN adjacent region. The invention has the advantages that the eNB accurately obtains whether the GERAN region supports the grouping switching through the continuous self-learning of eNB according to the scheme provided by the invention so that the dynamic management of the information in the GERAN adjacent region is realized by the eNB; the interference degree of manpower on the list information of the adjacent region in the eNB can be reduced; the work load of network optimization personnel is reduced; and the accuracy of the list information in the adjacent region can be enhanced so as to reduce the failure rate of the switching and enhance the property of the system.
Description
Technical field
The present invention relates to mobile communication technology, be meant a kind of evolved Node B (eNB especially, eNodeB) safeguard GSM and enhanced data rates for gsm evolution technology (EDGE, Enhanced Data Rate forGSM Evolution) method and system of Radio Access Network (GERAN, GSM EDGE Radio Access Network) neighboring BS information.
Background technology
The subscriber equipment (UE, User Equipment) that is in connected state in order to keep the communication quality of this UE, needs this UE is switched to the sub-district that newly enters when moving to another sub-district by current service cell.
Switching comprises switching between intra-system handover and system, is that different system is switched.At Long Term Evolution (LTE, Long Term Evolution)/System Architecture Evolution (SAE, System Architecture Evolution) the deployment initial stage of system, typical coverage condition is the 2nd traditional third-generation mobile communication technology (2G, SecondGeneration)/the 3rd third-generation mobile communication technology (3G, Third Generation) system keeps large tracts of land to cover, and the LTE/SAE system carries out the point-like covering as a supplement.In this case, the user may move between LTE/SAE system and 2G/3G system more continually, carries out the switching of different system more continually thereby cause UE between LTE/SAE system and 2G/3G system.
At present, for the eNB in the LTE/SAE system, the adjacent area list information that is used to switch among the eNB relies on network optimization personnel's manual configuration usually.A principal character of this human configuration mode is exactly to make a fault easily or deviation.For example, certain GERAN adjacent area be can support grouping switch (PS, PacketSwitched), but because artificial error, but mistakenly with the information configuration of this GERAN adjacent area for not supporting the grouping switching; So, eNB is when providing the neighboring BS information that can be used for dividing into groups to switch to UE, and the GERAN adjacent area of this " leakage is joined " can not be considered.
In addition, for Evolved UTRAN (E-UTRAN by the LTE/SAE system, when Evolved Universal Terrestrial Radio Access Network) grouping switches to the GERAN A/Gb interface modes (mode) of 2G/3G system, source eNB side can't know whether destination GERAN sub-district supports grouping to switch, that is to say that source eNB side can't be known the system capability of purpose GERAN sub-district.So, if the human configuration of the information of GERAN adjacent area among the eNB is made a fault, just cause the consequence that increases handover failure rate, reduces systematic function easily.For example, in the information of the GERAN adjacent area that is disposed among the eNB, if one of them GERAN adjacent area is actually and does not support to divide into groups to switch, but because artificial error is switched this GERAN neighbor cell configuration for supporting grouping, the information of the GERAN adjacent area that provides according to eNB of UE then, attempting will handoff failure when divide into groups to switch in corresponding GERAN adjacent area.And for example, can support grouping when the GERAN adjacent area of eNB behind function upgrading has switched, so, just need the network optimization personnel information of the corresponding GERAN adjacent area of also correct renewal eNB in time, promptly in the adjacent area list information of eNB, the information of this GERAN adjacent area is revised as support grouping switching, otherwise, eNB can not provide the information of this GERAN adjacent area to the UE that divides into groups to switch, thereby UE can not attempt dividing into groups to switch to this GERAN adjacent area yet, make the system capability of corresponding GERAN adjacent area to be fully utilized, cause resource waste.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method, Apparatus and system of safeguarding neighboring BS information, and eNB can safeguard the GERAN neighboring BS information automatically.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of safeguarding neighboring BS information, this method comprises: evolved Node B (eNB) is safeguarded the information of the GERAN adjacent area of storage according to the GSM that obtains and the grouping switching capability information of enhanced data rates for gsm evolution technology Radio Access Network (GERAN) adjacent area.
Described method specifically comprises:
The grouping switching capability information of the GERAN adjacent area that eNB obtains when not supporting that grouping is switched, with the grouping switching capability information flag of this GERAN adjacent area for not supporting the switching of dividing into groups; Perhaps,
The grouping switching capability information of the GERAN adjacent area that eNB obtains is switched the grouping switching capability information flag of this GERAN adjacent area when supporting that grouping is switched for supporting grouping, or, the grouping switching capability information of this GERAN adjacent area of mark not.
Before the information of the GERAN adjacent area of described maintenance storage, further comprise: whether the grouping switching capability information of judging the GERAN adjacent area that obtains is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, if consistent, then the information of the GERAN adjacent area of storage is not safeguarded; If inconsistent, then safeguard the information of the GERAN adjacent area of storage.
Described eNB obtains the grouping switching capability information of GERAN adjacent area, comprising:
ENB obtains the grouping switching capability information of GERAN adjacent area by the handover preparation failed message from Mobility Management Entity (MME); Perhaps,
ENB obtains the grouping switching capability information of GERAN adjacent area by subscriber equipment (UE) historical information.
When eNB obtains the grouping switching capability information of GERAN adjacent area by described handover preparation failed message, include failure reason value in the described handover preparation failed message, described failure reason value switches for not supporting grouping; Perhaps,
When eNB obtained the grouping switching capability information of GERAN adjacent area by described UE historical information, described UE historical information was included in the handoff request message from MME.
A kind of device of safeguarding neighboring BS information comprises:
The ability acquiring unit is used to obtain the grouping switching capability information of GERAN adjacent area;
Maintenance unit is used for the grouping switching capability information according to the GERAN adjacent area that obtains, and safeguards the information of the GERAN adjacent area of storage.
Described device further comprises:
Judging unit is used to judge whether the grouping switching capability information of determined GERAN adjacent area is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, if consistent, does not then operate; If inconsistent, then trigger maintenance unit.
Described ability acquiring unit comprises:
Acquisition module is used to obtain the grouping switching capability information of GERAN adjacent area;
Determination module is used for according to described grouping switching capability information, determines whether the GERAN adjacent area supports grouping to switch.
Described acquisition module specifically is used for: the grouping switching capability information that obtains the GERAN adjacent area by the handover preparation failed message from MME; Perhaps, obtain the grouping switching capability information of GERAN adjacent area by the UE historical information.
A kind of system that safeguards neighboring BS information comprises:
MME is used for purpose GERAN sub-district and does not support grouping to switch, and sends the handover preparation failed message to eNB, and the failure reason value that this handover preparation failed message comprises switches for not supporting grouping;
ENB is used for the information according to the GERAN adjacent area of described failure reason value maintenance storage;
Described purpose GERAN sub-district is the GERAN adjacent area.
According to scheme provided by the invention, eNB makes eNB know accurately whether the GERAN sub-district supports grouping to switch by self study constantly, make the dynamic management of eNB realization to the information of GERAN adjacent area, can either reduce artificial intervention degree to adjacent area list information among the eNB, reduce network optimization personnel's workload, can improve the accuracy of adjacent area list information again, and then reduce handover failure rate, improve systematic function.
In addition, the ability that makes the GERAN sub-district support that grouping is switched is fully used, and can not cause resource waste owing to artificial error, has improved systematic function.
Description of drawings
The schematic flow sheet that Fig. 1 safeguards the information of GERAN adjacent area for eNB among the present invention;
Fig. 2 obtains grouping switching capability information embodiment one flow process schematic diagram for eNB among the present invention;
Fig. 3 obtains grouping switching capability information embodiment two flow process schematic diagrames for eNB among the present invention;
Fig. 4 is the structural representation of the device the information of GERAN adjacent area safeguarded among the present invention.
Embodiment
Among the present invention, eNB safeguards the information of the GERAN adjacent area of storage according to the grouping switching capability information of the GERAN adjacent area that obtains.Particularly, the grouping switching capability information of the GERAN adjacent area that eNB obtains is the switching of not supporting to divide into groups (Doesn ' t Support PS Handover) with the grouping switching capability information flag of this GERAN adjacent area when not supporting that grouping is switched; The grouping switching capability information of the GERAN adjacent area that eNB obtains is when supporting that grouping is switched, and the grouping switching capability information flag of this GERAN adjacent area is switched (Supports PS Handover) for the support grouping.
In addition, when safeguarding the information of GERAN adjacent area of storage, also can be only the grouping switching capability information of the GERAN adjacent area not supporting to divide into groups to switch be carried out mark, like this, unlabelled GERAN then represents the adjacent area to support grouping to switch.
Among the present invention program, eNB makes eNB know accurately whether the GERAN sub-district supports grouping to switch by self study constantly, make the dynamic management of eNB realization to the information of GERAN adjacent area, can either reduce artificial intervention degree to adjacent area list information among the eNB, reduce network optimization personnel's workload, can improve the accuracy of adjacent area list information again, and then reduce handover failure rate.
In addition, after eNB determines the grouping switching capability information of GERAN adjacent area, whether the grouping switching capability information of GERAN adjacent area that can further judge acquisition is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, if consistent, then the information of the GERAN adjacent area of storage is not safeguarded; If inconsistent, then safeguard the information of the GERAN adjacent area of storage.
The schematic flow sheet that Fig. 1 safeguards the information of GERAN adjacent area for eNB among the present invention, as shown in Figure 1, the processing procedure that eNB safeguards the information of GERAN adjacent area comprises:
Step 101a～step 102a:UE is switched in the process of purpose GERAN sub-district by source E-UTRAN cell group, the eNB of E-UTRAN sub-district, source obtains purpose GERAN sub-district, is the grouping switching capability information of GERAN adjacent area, specifically can be by obtain the grouping switching capability information of purpose GERAN sub-district from handover preparation failure (Handover Preparation Failure) message of Mobility Management Entity (MME, MobilityManagement Entity).
Step 103a:eNB determines that according to the grouping switching capability information of the GERAN adjacent area that obtains whether the GERAN adjacent area supports grouping to switch, and safeguards the information of the GERAN adjacent area of storage.
Step 101b:UE is switched in the process of purpose E-UTRAN sub-district by source GERAN cell group, the eNB of purpose E-UTRAN sub-district obtains GERAN sub-district, source, is the grouping switching capability information of GERAN adjacent area, specifically can be the grouping switching capability information that obtains GERAN sub-district, source by the UE historical information (UE History Information) that comprises in the handoff request message from MME.
Step 102b:eNB determines that according to the grouping switching capability information of the GERAN adjacent area that obtains whether the GERAN adjacent area supports grouping to switch, and safeguards the information of the GERAN adjacent area of storage.
In more than describing, eNB can directly safeguard the information of the GERAN adjacent area of storage after determining the grouping switching capability information of GERAN adjacent area; Whether the grouping switching capability information that also can further judge the GERAN adjacent area that is obtained is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, if consistent, then can be not the information of the GERAN adjacent area of storage do not safeguarded; If inconsistent, then safeguard the information of the GERAN adjacent area of storage.
Safeguard the information of the GERAN adjacent area of storage, be specifically as follows: if stored the information of corresponding GERAN adjacent area, then be the grouping switching capability information of the GERAN adjacent area that obtained with the grouping switching capability information updating of this GERAN adjacent area, if do not store the information of corresponding GERAN adjacent area, then concrete realization is depended in the processing of eNB, for example, eNB can not do any processing, perhaps reports this situation to operation maintenance center (OMC).
In addition, when safeguarding the information of GERAN adjacent area of storage, also can be only the grouping switching capability information of the GERAN adjacent area not supporting to divide into groups to switch be carried out mark, like this, unlabelled GERAN then represents the adjacent area to support grouping to switch.
Step 101a～step 103a and step 101b～step 102b are that eNB obtains under the grouping switching capability information state of GERAN adjacent area by two kinds of different approaches, corresponding separately processing procedure is further described the specific implementation of each situation below by Fig. 2 and Fig. 3.
Fig. 2 obtains grouping switching capability information embodiment one flow process schematic diagram for eNB among the present invention, and as shown in Figure 2, eNB obtains the grouping switching capability information of GERAN adjacent area by the handover preparation failed message from MME in the present embodiment, and concrete processing procedure comprises:
Step 201～step 202:eNB receives the handover preparation failed message from MME, judges whether the failure reason value in the handover preparation failed message divides into groups to switch for not supporting, if failure reason value switches for not supporting grouping, then continues execution in step 203; If failure reason value for not supporting grouping to switch, does not then finish current flow process.
Before the step 201, eNB determines that UE need divide into groups to switch, and therefore sends switching demand (Handover Required) message to MME, sets up related resource with request purpose GERAN sub-district.After MME receives handoff requirement message, the grouping switching is handled, discovery purpose GERAN does not support grouping to switch in the sub-district, and therefore to eNB transmission handover preparation failed message, the failure reason value that comprises in this handover preparation failed message divides into groups to switch for not supporting.
Step 203:eNB with purpose GERAN sub-district, be that the grouping switching capability information flag of GERAN adjacent area is not for supporting.
If the purpose GERAN sub-district that grouping is switched does not support grouping to switch, then can cause the handoff failure that divides into groups, like this, MME will send the handover preparation failed message to eNB.Therefore, increase new failure reason value at the handover preparation failed message among the present invention program: do not support grouping to switch, do not support PS to switch (Cause=" Target BSS/GANCDoesn ' t Support PS Handover ") as failure reason value=destination base station sub-system/general access network controller, so that eNB is clearly known purpose GERAN sub-district, be that the GERAN adjacent area does not support grouping to switch, thereby make eNB come the information of the GERAN adjacent area of storage is safeguarded by self study constantly.
Fig. 3 obtains grouping switching capability information embodiment two flow process schematic diagrames for eNB among the present invention, and as shown in Figure 3, eNB obtains the grouping switching capability information of GERAN adjacent area by the UE historical information in the present embodiment, and concrete processing procedure comprises:
Since include cell ID in the UE historical information, the form difference of the cell ID in the different system, and therefore, eNB can judge that whether the current UE that switches is from the GERAN sub-district according to cell ID.
Step 303:eNB is according to the GERAN cell ID that comprises in the UE historical information, judge local maintenance corresponding GERAN sub-district, be whether the GERAN adjacent area supports grouping to switch, if this GERAN adjacent area of local maintenance supports grouping to switch, then finish current flow process; If this GERAN adjacent area of local maintenance does not support grouping to switch, then continue execution in step 304.
If UE is from the GERAN sub-district, show that then the current switching of carrying out of UE is that grouping is switched, corresponding GERAN can support the sub-district grouping to switch, therefore, eNB searches this GERAN adjacent area of local maintenance according to the GERAN cell ID that comprises in the UE historical information (Last Visited GERAN Cell Information), and whether this GERAN adjacent area of definite local maintenance supports grouping to switch, if not supporting grouping switches, may there be mistake in the information that this GERAN adjacent area then is described, or this GERAN adjacent area can support grouping to switch by function upgrading, therefore, continue execution in step 304.
If eNB does not search corresponding GERAN adjacent area in the information of the GERAN adjacent area of local maintenance, then concrete realization is depended in the processing of eNB, and for example, eNB can not do any processing, perhaps reports this situation to OMC.
Step 304:eNB with GERAN sub-district, source, be that the grouping switching capability information flag of GERAN adjacent area is for supporting.
Fig. 4 is the structural representation of the device the information of GERAN adjacent area safeguarded among the present invention, and as shown in Figure 4, this device comprises: ability acquiring unit and maintenance unit.Wherein, the ability acquiring unit is used to obtain the grouping switching capability information of GERAN adjacent area; Maintenance unit is used for the grouping switching capability information according to the GERAN adjacent area that obtains, and safeguards the information of the GERAN adjacent area of storage.
Wherein, the ability acquiring unit comprises acquisition module and determination module.Wherein, acquisition module is used to obtain the grouping switching capability information of GERAN adjacent area; Determination module is used for according to described grouping switching capability information, determines whether the GERAN adjacent area supports grouping to switch.Particularly, acquisition module can be the grouping switching capability information that obtains the GERAN adjacent area by the handover preparation failed message from MME; Also can be the grouping switching capability information that obtains the GERAN adjacent area by the UE historical information.
This device further comprises: judging unit, be used to judge whether the grouping switching capability information of determined GERAN adjacent area is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, and if consistent, then do not operate; If inconsistent, then trigger maintenance unit.
Also disclose a kind of system that the information of GERAN adjacent area is safeguarded among the present invention, this system comprises eNB and MME.Wherein, MME is used for purpose GERAN sub-district and does not support grouping to switch, and sends the handover preparation failed message to eNB, and the failure reason value that this handover preparation failed message comprises switches for not supporting grouping; ENB is used for safeguarding according to described failure reason value the information of the GERAN adjacent area of storage.Described purpose GERAN sub-district is the GERAN adjacent area.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. a method of safeguarding neighboring BS information is characterized in that, this method comprises:
Evolved Node B (eNB) is safeguarded the information of the GERAN adjacent area of storage according to the GSM that obtains and the grouping switching capability information of enhanced data rates for gsm evolution technology Radio Access Network (GERAN) adjacent area.
2. method according to claim 1 is characterized in that, described method specifically comprises:
The grouping switching capability information of the GERAN adjacent area that eNB obtains when not supporting that grouping is switched, with the grouping switching capability information flag of this GERAN adjacent area for not supporting the switching of dividing into groups; Perhaps,
The grouping switching capability information of the GERAN adjacent area that eNB obtains is switched the grouping switching capability information flag of this GERAN adjacent area when supporting that grouping is switched for supporting grouping, or, the grouping switching capability information of this GERAN adjacent area of mark not.
3. method according to claim 1, it is characterized in that, before the information of the GERAN adjacent area of described maintenance storage, further comprise: whether the grouping switching capability information of judging the GERAN adjacent area that obtains is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, if consistent, then the information of the GERAN adjacent area of storage is not safeguarded; If inconsistent, then safeguard the information of the GERAN adjacent area of storage.
4. according to the arbitrary described method of claim 1 to 3, it is characterized in that described eNB obtains the grouping switching capability information of GERAN adjacent area, comprising:
ENB obtains the grouping switching capability information of GERAN adjacent area by the handover preparation failed message from Mobility Management Entity (MME); Perhaps,
ENB obtains the grouping switching capability information of GERAN adjacent area by subscriber equipment (UE) historical information.
5. method according to claim 4 is characterized in that,
When eNB obtains the grouping switching capability information of GERAN adjacent area by described handover preparation failed message, include failure reason value in the described handover preparation failed message, described failure reason value switches for not supporting grouping; Perhaps,
When eNB obtained the grouping switching capability information of GERAN adjacent area by described UE historical information, described UE historical information was included in the handoff request message from MME.
6. a device of safeguarding neighboring BS information is characterized in that, comprising:
The ability acquiring unit is used to obtain the grouping switching capability information of GERAN adjacent area;
Maintenance unit is used for the grouping switching capability information according to the GERAN adjacent area that obtains, and safeguards the information of the GERAN adjacent area of storage.
7. device according to claim 6 is characterized in that, described device further comprises:
Judging unit is used to judge whether the grouping switching capability information of determined GERAN adjacent area is consistent with the grouping switching capability information of the corresponding GERAN adjacent area of storage, if consistent, does not then operate; If inconsistent, then trigger maintenance unit.
8. according to claim 6 or 7 described devices, it is characterized in that described ability acquiring unit comprises:
Acquisition module is used to obtain the grouping switching capability information of GERAN adjacent area;
Determination module is used for according to described grouping switching capability information, determines whether the GERAN adjacent area supports grouping to switch.
9. device according to claim 8 is characterized in that, described acquisition module specifically is used for:
Obtain the grouping switching capability information of GERAN adjacent area by handover preparation failed message from MME; Perhaps,
Obtain the grouping switching capability information of GERAN adjacent area by the UE historical information.
10. a system that safeguards neighboring BS information is characterized in that, comprising:
MME is used for purpose GERAN sub-district and does not support grouping to switch, and sends the handover preparation failed message to eNB, and the failure reason value that this handover preparation failed message comprises switches for not supporting grouping;
ENB is used for the information according to the GERAN adjacent area of described failure reason value maintenance storage;
Described purpose GERAN sub-district is the GERAN adjacent area.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101789447A CN102036213A (en) | 2009-09-30 | 2009-09-30 | Method, device and system for maintaining information in adjacent region |
| PCT/CN2010/075320 WO2011038611A1 (en) | 2009-09-30 | 2010-07-20 | Method, device and system for maintaining neighbor cell information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101789447A CN102036213A (en) | 2009-09-30 | 2009-09-30 | Method, device and system for maintaining information in adjacent region |
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| CN102036213A true CN102036213A (en) | 2011-04-27 |
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| CN2009101789447A Pending CN102036213A (en) | 2009-09-30 | 2009-09-30 | Method, device and system for maintaining information in adjacent region |
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| CN (1) | CN102036213A (en) |
| WO (1) | WO2011038611A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102724717A (en) * | 2012-06-04 | 2012-10-10 | 中兴通讯股份有限公司 | Method and system for acquiring neighbor cell information |
| CN108271223A (en) * | 2016-12-31 | 2018-07-10 | 中国移动通信集团吉林有限公司 | A kind of neighbor cell optimizing method and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103856991A (en) * | 2012-11-29 | 2014-06-11 | 中兴通讯股份有限公司 | Method and device for maintaining neighbor cell information of mobile relay |
| CN114727348B (en) * | 2022-05-17 | 2023-08-08 | 中国联合网络通信集团有限公司 | Cell switching method, device and base station |
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| CN101366308A (en) * | 2005-11-01 | 2009-02-11 | 斯比德航海有限公司 | Ps handover support indication |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724717A (en) * | 2012-06-04 | 2012-10-10 | 中兴通讯股份有限公司 | Method and system for acquiring neighbor cell information |
| CN102724717B (en) * | 2012-06-04 | 2015-10-21 | 中兴通讯股份有限公司 | A kind of acquisition methods of neighboring BS information and system |
| CN108271223A (en) * | 2016-12-31 | 2018-07-10 | 中国移动通信集团吉林有限公司 | A kind of neighbor cell optimizing method and electronic equipment |
| CN108271223B (en) * | 2016-12-31 | 2020-09-25 | 中国移动通信集团吉林有限公司 | Adjacent cell optimization method and electronic equipment |
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| WO2011038611A1 (en) | 2011-04-07 |
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Application publication date: 20110427 |