CN102413526B - Method for selecting switching object cell and base station controller - Google Patents
Method for selecting switching object cell and base station controller Download PDFInfo
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- CN102413526B CN102413526B CN201010291587.8A CN201010291587A CN102413526B CN 102413526 B CN102413526 B CN 102413526B CN 201010291587 A CN201010291587 A CN 201010291587A CN 102413526 B CN102413526 B CN 102413526B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 claims description 21
- 210000004027 cell Anatomy 0.000 description 119
- 230000013011 mating Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000003771 C cell Anatomy 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000003719 b-lymphocyte Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The invention provides a method for selecting switching an object cell and a base station controller. The method comprises the following steps that: when configuring switching adjacent cell data, if a common-frequency adjacent cell is detected, the base station controller sets one or more related cells for the common-frequency adjacent cell, wherein the related cells are non common-frequency adjacent cells of service cells; the base station controller performs switching decision according to an adjacent cell measuring report reported by a user terminal so as to obtain a switching candidate cell; if there is the common-frequency adjacent cell in the switching candidate cell, the switching object cell is selected according to situations of the common-frequency adjacent cells and the preset related cell. In the invention, through whether adding a common-frequency adjacent cell identification or not to the adjacent cell or setting the related cell for the common-frequency adjacent cells, a possibility of switching to the common-frequency adjacent cells can be effectively reduced. A downlink quality difference switching drop call frequency caused by common-frequency adjacent cell interference can be effectively reduced. A user terminal switching drop call ratio can be reduced too.
Description
Technical field
The present invention relates to GSM (Global System for Mobile communication, global system for mobile communications) handoff technique field, Radio Network System minizone, particularly relate to a kind of method and base station controller of selecting switching target small area.
Background technology
Because operational frequency points is few, in the network planning, inevitably there will be is the same frequently not homochromy adjacent area of a cell configuration, if user terminal is at this district calling like this, does while switching, will be subject to co-channel interference, cause switching the poor and call drop of rear downlink quality.Scene as shown in Figure 1, has 5 communities, and the relation of minizone is as follows:
A community is current service cell;
The adjacent area that B, C, D, E Si Ge community are A;
B and C Zhe Liangge community be not with frequently homochromy.
In user terminal call, current service cell is A community, in the time moving to region 1 or region 2 or region 3, BSC (Base Station Controller, base station controller) switch decision establishment, according to adjacent area frequency list index value and BSIC (Base Station IdentificationCode in nearby region measurement report, base station identity code) can obtain existing homogeneous-frequency adjacent-domain (in same measurement report, only to have a homogeneous-frequency adjacent-domain, in different measuring report, homogeneous-frequency adjacent-domain frequency list index is identical, BSIC difference), if two homogeneous-frequency adjacent-domain level have carried out Phase Stacking, in the measurement report of user terminal to send up, the level parameters value of the homogeneous-frequency adjacent-domain of nearby region measurement report will strengthen, switch decision probably selects homogeneous-frequency adjacent-domain as the Target cell of switching, but which homogeneous-frequency adjacent-domain what can not determine selection is.If user terminal is current in region 1, move ahead to B cell coverage area, should select B community by physical planning is switching target small area, but has but selected C community; Or user terminal is current in region 3, move ahead to C cell coverage area, should select C community by physical planning is switching target small area, but but select B community, the adjacent area level that so all can occur switching pre-test is very good, is switched to after adjacent area B or C, due to community B and C co-channel interference, downlink quality sudden change, causes of poor quality and call drop.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method and base station controller of selecting switching target small area, with in the situation that there is co-frequency cell, select the most appropriate adjacent area as switching target small area, reduce homogeneous-frequency adjacent-domain to the interference of switching, reduce the ratio of mobile phone switching call drop.
In order to solve the problems of the technologies described above, the invention provides a kind of method of selecting switching target small area, comprising:
When base station controller switches adjacent area data in configuration, there is homogeneous-frequency adjacent-domain if detect, for described homogeneous-frequency adjacent-domain, one or more related cell are set, the non-homogeneous-frequency adjacent-domain that described related cell is Serving cell;
Described base station controller carries out switch decision according to the nearby region measurement report of user terminal to send up, obtain handover candidate cells, if judge in described handover candidate cells and have homogeneous-frequency adjacent-domain, select switching target small area according to the situation of described homogeneous-frequency adjacent-domain and default related cell.
Further, said method also has feature below: described base station controller selects the step of switching target small area to comprise according to the situation of described homogeneous-frequency adjacent-domain and default related cell:
If judging, described base station controller in described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain, and there is not the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, select this homogeneous-frequency adjacent-domain as switching target small area.
Further, said method also has feature below: described base station controller selects the step of switching target small area to comprise according to the situation of described homogeneous-frequency adjacent-domain and default related cell:
If judging, described base station controller in described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain, and there is the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, reduce the priority of this homogeneous-frequency adjacent-domain as switching target small area.
Further, said method also has feature below: described base station controller also comprises after the step that has homogeneous-frequency adjacent-domain being detected: described base station controller is described homogeneous-frequency adjacent-domain configuration identifier;
Described base station controller judges in described handover candidate cells and exists the step of homogeneous-frequency adjacent-domain to be specially: described base station controller judges in described handover candidate cells and has homogeneous-frequency adjacent-domain according to described mark.
In order to address the above problem, the present invention also provides a kind of base station controller, comprising:
, in the time switching adjacent area data configuration, there is homogeneous-frequency adjacent-domain if detect in configuration module, for described homogeneous-frequency adjacent-domain, one or more related cell is set, the non-homogeneous-frequency adjacent-domain that described related cell is Serving cell;
Acquisition module, carries out switch decision according to the nearby region measurement report of user terminal to send up, obtains handover candidate cells;
Select module, in the handover candidate cells that described acquisition module obtains if judge, have homogeneous-frequency adjacent-domain, select switching target small area according to the situation of described homogeneous-frequency adjacent-domain and the default related cell of described configuration module.
Further, above-mentioned base station controller also has feature below:
Described selection module, if there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain in described handover candidate cells specifically for judging, and there is not the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, select this homogeneous-frequency adjacent-domain as switching target small area.
Further, above-mentioned base station controller also has feature below:
Described selection module, if there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain in described handover candidate cells specifically for judging, and there is the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, reduce the priority of this homogeneous-frequency adjacent-domain as switching target small area.
Further, above-mentioned base station controller also has feature below:
Described configuration module, is also used to described homogeneous-frequency adjacent-domain configuration identifier;
Described selection module, specifically for judging in described handover candidate cells and have homogeneous-frequency adjacent-domain according to described mark.
To sum up, a kind of method and base station controller of selecting switching target small area provided by the invention, whether be that homogeneous-frequency adjacent-domain identifies and to homogeneous-frequency adjacent-domain, related cell is set by adjacent area is increased, can effectively reduce the possibility of switching to homogeneous-frequency adjacent-domain, can effectively reduce because the poor switching number of dropped calls of the downlink quality causing is disturbed in homogeneous-frequency adjacent-domain, reduce user terminal and switch call drop ratio.
Brief description of the drawings
Fig. 1 is application scenarios schematic diagram of the present invention;
Fig. 2 is the schematic diagram of the BSC of the embodiment of the present invention;
Fig. 3 is the flow chart of the method for selection of the present invention switching target small area;
Fig. 4 is the flow chart of the method for the selection switching target small area of the embodiment of the present invention.
Embodiment
Core concept of the present invention is, when BSC switches adjacent area data in configuration, in advance for homogeneous-frequency adjacent-domain arranges related cell, whether effectively adjudicates this co-frequency cell, effectively to reduce to the possibility of homogeneous-frequency adjacent-domain switching by related cell.
In order to understand better the present invention, below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 2 is the schematic diagram of the BSC of the embodiment of the present invention, and as shown in Figure 2, the BSC of the present embodiment comprises: configuration module, acquisition module and selection module, wherein,
, in the time switching adjacent area data configuration, there is homogeneous-frequency adjacent-domain if detect in configuration module, for described homogeneous-frequency adjacent-domain, one or more related cell is set, the non-homogeneous-frequency adjacent-domain that described related cell is Serving cell;
Acquisition module, carries out switch decision according to the nearby region measurement report of user terminal to send up, obtains handover candidate cells;
Select module, in the handover candidate cells that described acquisition module obtains if judge, have homogeneous-frequency adjacent-domain, select switching target small area according to the situation of described homogeneous-frequency adjacent-domain and the default related cell of described configuration module.
Whether the BSC of the present embodiment adjudicates this co-frequency cell by related cell effective, effectively to reduce the possibility of switching to homogeneous-frequency adjacent-domain.
Further, described selection module, in described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain if judge, and do not have the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, select this homogeneous-frequency adjacent-domain as switching target small area.
If there is not corresponding related cell in nearby region measurement report, think that this homogeneous-frequency adjacent-domain is invalid candidate cell, filters out this homogeneous-frequency adjacent-domain; If there is homogeneous-frequency adjacent-domain in the nearby region measurement that user terminal reports in Serving cell report, in nearby region measurement report, also there is corresponding related cell simultaneously, but there is not the related cell with Tong Pin adjacent area, this homogeneous-frequency adjacent-domain, think that this homogeneous-frequency adjacent-domain reporting of user terminal is effective candidate cell, can be used as switching target small area.
Further, described selection module, in described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain if judge, and there is the related cell corresponding with Tong Pin adjacent area, this homogeneous-frequency adjacent-domain, select Zhong Fei homogeneous-frequency adjacent-domain, described handover candidate cells as switching target small area.
Further, described configuration module, is also used to described homogeneous-frequency adjacent-domain configuration identifier;
Described selection module, specifically for judging in described handover candidate cells and have homogeneous-frequency adjacent-domain according to described mark.
If there is the related cell of this homogeneous-frequency adjacent-domain, but also exist and its related cell with adjacent area frequently, reduce the priority of this homogeneous-frequency adjacent-domain candidate cell as switching target small area, preferentially select non-homogeneous-frequency adjacent-domain candidate cell as switching target small area.
Fig. 3 is the flow chart of the method for selection of the present invention switching target small area, and as shown in Figure 3, the method for the present embodiment comprises step below:
When step 10, BSC switch adjacent area data in configuration, there is homogeneous-frequency adjacent-domain if detect, for described homogeneous-frequency adjacent-domain, one or more related cell are set, the non-homogeneous-frequency adjacent-domain that described related cell is Serving cell;
Step 20, BSC carry out switch decision according to the nearby region measurement report of user terminal to send up, obtain handover candidate cells, if judge in described handover candidate cells and have homogeneous-frequency adjacent-domain, select switching target small area according to the situation of described homogeneous-frequency adjacent-domain and default related cell.
When switch decision, BSC obtains handover candidate cells on original switch determining method basis, judge according to the mark of homogeneous-frequency adjacent-domain whether candidate cell is homogeneous-frequency adjacent-domain again, if homogeneous-frequency adjacent-domain needs further to judge that with related cell whether this candidate cell is effective.If this homogeneous-frequency adjacent-domain is invalid, this candidate cell screening and filtering is fallen, can greatly avoid like this possibility of call drop because co-channel interference causes switching rear downlink quality variation, reduce mobile phone and switch call drop ratio.
Can, for a related cell of configuration, homogeneous-frequency adjacent-domain, also can configure multiple related cell, this is to be mainly configured according to actual on-the-spot actual environment.
As an example of Fig. 1 exemplary scene example, the technical program is described below.Suppose in Fig. 1 scene, 1 related cell of configuration, homogeneous-frequency adjacent-domain, the relation of A, B, C, D, E Wu Ge community is as follows:
1.B, C, D, E Si Ge community are the adjacent areas of A community;
2.A community is current service cell;
3.B community and C community are with the not homochromy community of frequency;
The related cell of 4.B community is D community, and the related cell of C community is E community.
When user terminal moves to region 1, in region 2 or region 3 when some regions, BSC is calculated and is judged that mobile phone meets switching condition by the measurement report of cellphone subscriber's terminal to report, calculate and find B by measurement, C, D, handover candidate cells can be served as in E community, homogeneous-frequency adjacent-domain makes level value maximum because level superposes, user terminal cannot judge that in the decode adjacent area that obtains of current region be exactly to detect in this region desired user terminal the adjacent area that decoding obtains during in the network planning, reporting neighboring cell measurement report is to BSC, BSC judges by the mark of homogeneous-frequency adjacent-domain whether handover candidate cells is homogeneous-frequency adjacent-domain, here hypothesis is homogeneous-frequency adjacent-domain B, BSC can obtain according to the BSIC of homogeneous-frequency adjacent-domain B and adjacent area frequency list index value the related cell D of this homogeneous-frequency adjacent-domain B, and BSIC and the adjacent area frequency list index value of the other BSIC of homogeneous-frequency adjacent-domain C and the related cell E of C.All neighboring BS information in the report of BSC traversal nearby region measurement, if there is BSIC and the adjacent area frequency list index value of the adjacent area of mating with D community in nearby region measurement report, and there is not BSIC and the adjacent area frequency list index value of the adjacent area of mating with E community, homogeneous-frequency adjacent-domain B can be used as switching target small area; The BSIC of the adjacent area of if there is no mating with D community and adjacent area frequency list index value, think user terminal wrong report, and this homogeneous-frequency adjacent-domain candidate cell is not as switching target small area; If there is BSIC and the adjacent area frequency list index value of the adjacent area of mating with D community, but also there is BSIC and the adjacent area frequency list index value of the adjacent area of mating with E community simultaneously, reduce the priority of this homogeneous-frequency adjacent-domain candidate cell B as switching target small area, preferentially select non-homogeneous-frequency adjacent-domain D or E as the Target cell of switching.
In real network environment, a lot of local because available frequency quantity is few, in the network planning, have to occur the situation of configuration homogeneous-frequency adjacent-domain, again due to the impact of unsteadiness and the geographical environment complexity of living in of wireless network, cause some place in network environment to occur co-frequency cell repetition coverage condition, user terminal switches in these places, due to the interference of homogenous frequency signal, speech quality can be greatly affected, the unexpected variation of downlink quality and cause call drop possibility very large after switching.Speech quality, switching call drop ratio is the index that operator pays special attention to, so the present invention has very large using value.
The method of a kind of new selection switching target small area that the present invention proposes, is optimized the switch determining method of BSC, BSC is controlled to the flow process of handoff functionality realization and does not modify.The present invention obtains on the basis of handover candidate cells in former switch decision flow process, increase and judge whether candidate cell is the means such as homogeneous-frequency adjacent-domain and the related cell that whether has homogeneous-frequency adjacent-domain, utilize these means to filter out the homogeneous-frequency adjacent-domain of user terminal wrong report, or reduce the related cell that had both had this homogeneous-frequency adjacent-domain in nearby region measurement report simultaneously, exist again the homogeneous-frequency adjacent-domain candidate cell of related cell of other homogeneous-frequency adjacent-domain as the priority of switching target small area, can reach to a great extent like this reduction user terminal is subject to co-channel interference and misses switching, and switch the rear unexpected variation of quality and the object of call drop.
Fig. 4 is the flow chart of the method for the selection switching target small area of the embodiment of the present invention, and as shown in Figure 4, step is as follows:
Step 101, BSC obtains candidate cell and candidate cell number according to original judgement flow process.
Step 102, handles accordingly according to candidate cell number situation.If candidate cell number is 0, turn to step 107, switch decision finishes, and does not switch; If candidate cell number is greater than 0, carry out follow-up flow operations.
Step 103, selects a candidate cell, and judges whether this candidate cell is homogeneous-frequency adjacent-domain.If candidate cell is not homogeneous-frequency adjacent-domain, consistent with original switch decision algorithm flow, this community, by screening, can be used as switching target small area, then performs step 106; If candidate cell is homogeneous-frequency adjacent-domain, execution step 104.
Step 104, whether judgement there is the related cell of homogeneous-frequency adjacent-domain.
In nearby region measurement report, search and whether have this related cell with frequency candidate cell, if there is no, think that this candidate cell is mobile phone wrong report, screen out and filter out this candidate cell, then perform step 106; If there is this related cell with frequency candidate cell, execution step 105.
Step 105, judges whether to exist and the related cell of this candidate cell with other homogeneous-frequency adjacent-domain frequently.
In nearby region measurement report, search the related cell that whether also has other homogeneous-frequency adjacent-domain, if there is no, Ze Gai community, by screening, can be used as switching target small area, then performs step 106; If existed, reduce the priority of this homogeneous-frequency adjacent-domain as switching target small area, preferentially select non-co-frequency cell as switching target small area, then perform step 106.
Step 106, judges whether also to exist candidate cell not adjudicate.If existed, execution step 103; If there is no, execution step 107;
Step 107, carries out priority processing to all Target cells that obtain, and the judgement of screening and filtering handover candidate cells completes, and then carries out the priority decision process of switching target small area.
By said method policing action, can effectively select appropriate adjacent area as switching target small area, strengthen the anti-co-channel interference ability of handoff algorithms, in reduction handoff procedure, because the switching number of dropped calls causing is disturbed in homogeneous-frequency adjacent-domain, reduce and switch call drop ratio.
One of ordinary skill in the art will appreciate that all or part of step in said method can carry out instruction related hardware by program and complete, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, the each module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (4)
1. a method of selecting switching target small area, comprising:
When base station controller switches adjacent area data in configuration, there is homogeneous-frequency adjacent-domain if detect, for described homogeneous-frequency adjacent-domain, one or more related cell are set, the non-homogeneous-frequency adjacent-domain that described related cell is Serving cell;
Described base station controller carries out switch decision according to the nearby region measurement report of user terminal to send up, obtain handover candidate cells, if judge in described handover candidate cells and have homogeneous-frequency adjacent-domain, select switching target small area according to the situation of described homogeneous-frequency adjacent-domain and default related cell; Described base station controller selects the step of switching target small area to comprise according to the situation of described homogeneous-frequency adjacent-domain and default related cell:
If judging, described base station controller in described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain, and there is not the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, select this homogeneous-frequency adjacent-domain as switching target small area;
If judging, described base station controller in described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain, and there is the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, reduce the priority of this homogeneous-frequency adjacent-domain as switching target small area.
2. the method for claim 1, is characterized in that,
Described base station controller also comprises after the step that has homogeneous-frequency adjacent-domain being detected: described base station controller is described homogeneous-frequency adjacent-domain configuration identifier;
Described base station controller judges in described handover candidate cells and exists the step of homogeneous-frequency adjacent-domain to be specially: described base station controller judges in described handover candidate cells and has homogeneous-frequency adjacent-domain according to described mark.
3. a base station controller, is characterized in that, comprising:
, in the time switching adjacent area data configuration, there is homogeneous-frequency adjacent-domain if detect in configuration module, for described homogeneous-frequency adjacent-domain, one or more related cell is set, the non-homogeneous-frequency adjacent-domain that described related cell is Serving cell;
Acquisition module, carries out switch decision according to the nearby region measurement report of user terminal to send up, obtains handover candidate cells;
Select module, in the handover candidate cells that described acquisition module obtains if judge, have homogeneous-frequency adjacent-domain, select switching target small area according to the situation of described homogeneous-frequency adjacent-domain and the default related cell of described configuration module; Described selection module, if there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain in described handover candidate cells specifically for judging, and there is not the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, select this homogeneous-frequency adjacent-domain as switching target small area; In described handover candidate cells, there is a related cell corresponding to Ji Yugai homogeneous-frequency adjacent-domain, homogeneous-frequency adjacent-domain if judge, and have the related cell corresponding with Tong Pin community, this homogeneous-frequency adjacent-domain, reduce the priority of this homogeneous-frequency adjacent-domain as switching target small area.
4. base station controller as claimed in claim 3, is characterized in that,
Described configuration module, is also used to described homogeneous-frequency adjacent-domain configuration identifier;
Described selection module, specifically for judging in described handover candidate cells and have homogeneous-frequency adjacent-domain according to described mark.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010291587.8A CN102413526B (en) | 2010-09-21 | 2010-09-21 | Method for selecting switching object cell and base station controller |
| PCT/CN2011/077333 WO2012037838A1 (en) | 2010-09-21 | 2011-07-19 | Handover target cell selection method and base station controller |
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| CN201010291587.8A CN102413526B (en) | 2010-09-21 | 2010-09-21 | Method for selecting switching object cell and base station controller |
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| CN102413526B true CN102413526B (en) | 2014-08-13 |
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| CN102480769A (en) * | 2010-11-24 | 2012-05-30 | 中兴通讯股份有限公司 | Cell switching method and base station controller |
| CN105323737A (en) * | 2014-08-04 | 2016-02-10 | 中兴通讯股份有限公司 | Method, equipment and system for acquiring belongingness between DRNC (Drift Radio Network Controller) side cell and Node B by SRNC (Serving Radio Network Controller) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101026860A (en) * | 2006-02-21 | 2007-08-29 | 中兴通讯股份有限公司 | Cross-zone handover method for time division synchronous CDMA multi-frequency-point community cellular network |
| CN101616425A (en) * | 2008-06-23 | 2009-12-30 | 华为技术有限公司 | Obtain the method and the device of paired plot information in the multiple frequency point system |
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| WO2008085838A1 (en) * | 2007-01-04 | 2008-07-17 | Interdigital Technology Corporation | Method and apparatus for handover using a candidate set |
| US8204501B2 (en) * | 2007-02-07 | 2012-06-19 | Lg Electronics Inc. | Cumulative neighboring cell list |
| CN101616459A (en) * | 2008-06-24 | 2009-12-30 | 上海华为技术有限公司 | A kind of realization method of cell reselection, terminal and system |
| CN101772108B (en) * | 2008-12-31 | 2013-03-27 | 中兴通讯股份有限公司 | Method, system and device for realizing handoff in micro-micro cellular communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026860A (en) * | 2006-02-21 | 2007-08-29 | 中兴通讯股份有限公司 | Cross-zone handover method for time division synchronous CDMA multi-frequency-point community cellular network |
| CN101616425A (en) * | 2008-06-23 | 2009-12-30 | 华为技术有限公司 | Obtain the method and the device of paired plot information in the multiple frequency point system |
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| WO2012037838A1 (en) | 2012-03-29 |
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