CN102802221A - Method for switching relay node - Google Patents
Method for switching relay node Download PDFInfo
- Publication number
- CN102802221A CN102802221A CN2011101431576A CN201110143157A CN102802221A CN 102802221 A CN102802221 A CN 102802221A CN 2011101431576 A CN2011101431576 A CN 2011101431576A CN 201110143157 A CN201110143157 A CN 201110143157A CN 102802221 A CN102802221 A CN 102802221A
- Authority
- CN
- China
- Prior art keywords
- base station
- district
- information
- sub
- cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method for switching a relay node. The method comprises the following steps of: allowing a source evolved Node B (eNB) to acquire whether a serving cell of a target eNB is a relay eNB cell or not in advance, and selecting the relay eNB cell as a target cell for switching in the switching process. Thus, the phenomenon that the switching process fails because the switched target cell does not support the access of a mobile relay can be avoided, so that the switching success rate of the relay node can be effectively increased.
Description
Technical field
The present invention relates to the handoff technique in the GSM, particularly relate to the changing method of via node in the LTE-A system.
Background technology
At present, in the LTE-A system, introduced the notion of relaying (Relay), with the application of expansion LTE Rel-8.Through the introducing to Relay, the sub-district that can extend two-forty covers, and realizes that group's mobility, casual network are disposed, the enhancing of cell data business throughput, and satisfies the demand in new regional on-premise network.
Via node (Relay Node RN), is connected on the base station (eNB) of supporting RN through wireless mode, this eNB be called as relaying eNB (Donor eNB, DeNB).RN is between UE and eNB.Wave point between RN and the eNB is an E-UTRAN air interface that was modified, and is called as the Un interface.RN need support all functions of eNB, and this just means, the E-UTRAN Radio interface protocols, and the S1/X2 agreement will terminate at RN.Correspondingly, from the angle of agreement, the function that eNB supports, RN will support, only if agreement defines especially.
Except the function of eNB, RN also will support the function of UE, such as physical layer, and layer 2, the RRC agreement also has the NAS function, because have only RN to support the function of UE, just can be connected to DeNB.
At present, in order to satisfy the mobility demand of UE, proposed the also transportable notion of via node, like this, relaying eNB also need support the mobility of via node.Correspondingly, owing to the mobility of via node, also drawn the switching problem of via node.In the system of existing support RN; When carrying out the via node switching; The Target cell that its serving BS only switches according to current measurement result selection does not consider whether Target cell is to support to move the sub-district that relaying inserts, like this; If selected Target cell does not support to move the access of relaying, the switching of so after this being carried out will be failed.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of changing method of via node, and this method can effectively improve the handover success rate of via node.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of changing method of via node, this method may further comprise the steps:
Set up in the process at X2 interface in advance; Whether source base station is set up request message through X2 is that the information of relay base station sub-district is notified to target BS with its Serving cell, and whether said target BS is set up response message through X2 is that the information of relay base station sub-district is notified to said source base station with its Serving cell;
When the via node of said source base station service need switch; Said source base station is selected the Target cell as said switching according to current signal measurement result from known relay base station sub-district, and triggers the process that said via node switches to said Target cell.
A kind of changing method of via node, this method may further comprise the steps:
When a cell setting was the relay base station sub-district, network operation maintenance system (O&M) was that the information of relay base station sub-district is notified to the base station under this adjacent cells of cells with this sub-district;
When the relaying node need switch, the source base station under it was selected the Target cell as said switching according to current signal measurement result from known relay base station sub-district, and triggers the process that said via node switches to said Target cell.
In sum; The changing method of the via node that the present invention proposes; Make source base station know whether the Serving cell of target BS is the relay base station sub-district in advance; And when switching, select the relay base station sub-district to switch as Target cell, so can avoid owing to the Target cell that switches is not supported the handoff failure that the access of mobile relaying causes, thereby can effectively improve the handover success rate of via node.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine specific embodiment that the present invention is done to describe in detail further below.
Core concept of the present invention is; Make in advance and preserve whether Target cell is the information of relay base station sub-district in the serving BS of via node; Like this; When needs carried out the via node switching, serving BS can only select the relay base station sub-district as Target cell, thereby can avoid owing to the handoff failure problem of having selected non-relay base station sub-district to occur as Target cell.
In practical application, make and preserve whether Target cell is the information of relay base station sub-district in the serving BS of via node, can adopt two kinds of methods, a kind of is to set up the message in the process through X2 interface, another kind is to be notified by the network operation maintenance system.Describe through two specific embodiments of the present invention respectively below.
Set up process through X2 interface in the embodiment of the invention one, make and preserve whether Target cell is the information of relay base station sub-district in the serving BS of via node, mainly may further comprise the steps:
Set up in the process at X2 interface in advance; Whether source base station is set up request message through X2 is that the information of relay base station sub-district is notified to target BS with its Serving cell, and whether said target BS is set up response message through X2 is that the information of relay base station sub-district is notified to said source base station with its Serving cell.
When the via node of said source base station service need switch; Said source base station is selected the Target cell as said switching according to current signal measurement result from known relay base station sub-district, and triggers the process that said via node switches to said Target cell.
Here need to prove, in existing system,, need to carry out X2 interface and set up process when carrying out between two base stations when mutual.Whether like this, can utilize X2 interface to set up interaction message in the process, carrying Serving cell is the information of relay base station sub-district.Preferably, source base station can be set up the service cell information territory in the request message through X2, and whether carry its Serving cell is the information of relay base station sub-district.Said target BS can be set up the service cell information territory in the response message through X2, and whether carry its Serving cell is the information of relay base station sub-district.
Further, in order to ensure the accuracy of base station place cell information, in the time of can also need upgrading at the configuration information of said source base station, whether be that the information of relay base station sub-district is notified to target BS with its Serving cell through the base station configuration updating request message.Preferably, said source base station can be through the service cell information territory in the base station configuration updating information, and whether carry its Serving cell is the information of relay base station sub-district.
Through the network operation maintenance system, make in the serving BS of via node and preserve whether Target cell is the information of relay base station sub-district in the embodiment of the invention two, particularly, embodiment two mainly may further comprise the steps:
When a cell setting was the relay base station sub-district, network operation maintenance system (O&M) was that the information of relay base station sub-district is notified to the base station under this adjacent cells of cells with this sub-district.
When the relaying node need switch, the source base station under it was selected the Target cell as said switching according to current signal measurement result from known relay base station sub-district, and triggers the process that said via node switches to said Target cell.
Preferably; O&M can change notification message through the attribute that carries adjacent cell list; With this sub-district is that the information of relay base station sub-district is notified to the base station under this adjacent cells of cells; Different is that will comprise in the said adjacent cell list and be used to indicate adjacent sub-district is the identification information of relay base station sub-district with adjacent cell list in the existing system.
Further, can also comprise in the said adjacent cell list that to be used to indicate adjacent sub-district be the relay base station sub-district but can not be used for the identification information of the Target cell that via node switches; Correspondingly; Target cell as said switching will be selected to obtain from the known relay base station sub-district that can be used for the via node switching by said source base station; The flexibility of so can enhanced system safeguarding makes system can control some relay base station sub-districts and can not be used for the Target cell that via node switches.
In sum, more than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the changing method of a via node is characterized in that, this method may further comprise the steps:
Set up in the process at X2 interface in advance; Whether source base station is set up request message through X2 is that the information of relay base station sub-district is notified to target BS with its Serving cell, and whether said target BS is set up response message through X2 is that the information of relay base station sub-district is notified to said source base station with its Serving cell;
When the via node of said source base station service need switch; Said source base station is selected the Target cell as said switching according to current signal measurement result from known relay base station sub-district, and triggers the process that said via node switches to said Target cell.
2. method according to claim 1 is characterized in that, source base station is set up the service cell information territory in the request message through X2, and whether carry its Serving cell is the information of relay base station sub-district.
3. method according to claim 1 is characterized in that, said target BS is set up the service cell information territory in the response message through X2, and whether carry its Serving cell is the information of relay base station sub-district.
4. method according to claim 1 is characterized in that, said method further comprises:
When the configuration information of said source base station need upgrade, whether be that the information of relay base station sub-district is notified to target BS with its Serving cell through the base station configuration updating request message.
5. method according to claim 4 is characterized in that, said source base station is through the service cell information territory in the base station configuration updating information, and whether carry its Serving cell is the information of relay base station sub-district.
6. the changing method of a via node is characterized in that, this method may further comprise the steps:
When a cell setting was the relay base station sub-district, network operation maintenance system O&M was that the information of relay base station sub-district is notified to the base station under this adjacent cells of cells with this sub-district;
When the relaying node need switch, the source base station under it was selected the Target cell as said switching according to current signal measurement result from known relay base station sub-district, and triggers the process that said via node switches to said Target cell.
7. method according to claim 6; It is characterized in that; O&M changes notification message through the attribute that carries adjacent cell list; With this sub-district is that the information of relay base station sub-district is notified to the base station under this adjacent cells of cells, and comprising in the said adjacent cell list and being used to indicate adjacent sub-district is the identification information of relay base station sub-district.
8. method according to claim 6 is characterized in that, comprises in the said adjacent cell list and be used to indicate adjacent sub-district to be the relay base station sub-district but can not to be used for the identification information of the Target cell that via node switches;
Target cell as said switching is selected to obtain from the known relay base station sub-district that can be used for the via node switching by said source base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110143157.6A CN102802221B (en) | 2011-05-27 | 2011-05-27 | A kind of changing method of via node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110143157.6A CN102802221B (en) | 2011-05-27 | 2011-05-27 | A kind of changing method of via node |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102802221A true CN102802221A (en) | 2012-11-28 |
| CN102802221B CN102802221B (en) | 2015-10-21 |
Family
ID=47201161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110143157.6A Expired - Fee Related CN102802221B (en) | 2011-05-27 | 2011-05-27 | A kind of changing method of via node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102802221B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550412A (en) * | 2015-09-21 | 2017-03-29 | 索尼公司 | Electronic equipment and wireless communications method in wireless communication system |
| WO2023241658A1 (en) * | 2022-06-17 | 2023-12-21 | 华为技术有限公司 | Communication method and apparatus, and computer-readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365242A (en) * | 2008-08-29 | 2009-02-11 | 同济大学 | Method and system based on mobile prediction and group switching |
| WO2010101442A2 (en) * | 2009-03-06 | 2010-09-10 | 삼성전자주식회사 | Group handover method and apparatus in broadband wireless communication system that supports mobile relay station |
| CN101873675A (en) * | 2009-04-22 | 2010-10-27 | 中兴通讯股份有限公司 | Sending method and base station of multi-point cooperative transmission cooperative group information |
| CN101932120A (en) * | 2009-06-22 | 2010-12-29 | 华为技术有限公司 | Connection establishment method and device for relay node and network node |
| 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 |
-
2011
- 2011-05-27 CN CN201110143157.6A patent/CN102802221B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365242A (en) * | 2008-08-29 | 2009-02-11 | 同济大学 | Method and system based on mobile prediction and group switching |
| WO2010101442A2 (en) * | 2009-03-06 | 2010-09-10 | 삼성전자주식회사 | Group handover method and apparatus in broadband wireless communication system that supports mobile relay station |
| CN101873675A (en) * | 2009-04-22 | 2010-10-27 | 中兴通讯股份有限公司 | Sending method and base station of multi-point cooperative transmission cooperative group information |
| CN101932120A (en) * | 2009-06-22 | 2010-12-29 | 华为技术有限公司 | Connection establishment method and device for relay node and network node |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550412A (en) * | 2015-09-21 | 2017-03-29 | 索尼公司 | Electronic equipment and wireless communications method in wireless communication system |
| WO2023241658A1 (en) * | 2022-06-17 | 2023-12-21 | 华为技术有限公司 | Communication method and apparatus, and computer-readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102802221B (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10312991B2 (en) | Method and apparatus for receiving tracking area identifier list | |
| EP2506633B1 (en) | Handover in relay network | |
| US20200229066A1 (en) | Relay station apparatus, mobile communication system, base station apparatus, and method for controlling relay station | |
| US20150215851A1 (en) | Mobile telecommunications network, mobile relay node, and mobile telecommunications system | |
| WO2013107375A1 (en) | Method and apparatus for configuring mobile relay node tracking area and location update | |
| CN103733683A (en) | Mobile relay handover | |
| CN102118808A (en) | Method for triggering switching and transferring identification information of mobile management entity pool and equipment | |
| CN103843451A (en) | Communication system | |
| CN109121160B (en) | Cell information reporting method, cell information indicating method, base station and terminal | |
| CN103108303B (en) | The method and apparatus of support group movement | |
| US20150117403A1 (en) | Base station, communication system, communication method, and program recording medium | |
| US20140274060A1 (en) | Communication system, radio communication node, and communication control method | |
| CN102223617B (en) | Method, system and device for updating neighborhood attribute | |
| CN102802221A (en) | Method for switching relay node | |
| JP2016086333A (en) | Radio communication base station system, radio communications system and radio mobile station | |
| CN103096393B (en) | A kind of changing method of mobile relay | |
| CN103327475A (en) | Addressing method and addressing device for cell switch | |
| CN103096257A (en) | Switching method of user equipment group | |
| CN105578560A (en) | Method, device and system for relay station to identify host station | |
| KR101483926B1 (en) | Base station appratus and network apparatus, and control method thereof | |
| CN102291707A (en) | Method, system and equipment for determining equipment types | |
| CN102811433B (en) | The management method of contracted user | |
| CN102780990A (en) | Method and system for modifying mobility parameters under network sharing | |
| CN102740278B (en) | The method of eNB config update in wireless relay network | |
| WO2020100541A1 (en) | User device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA POTEVIO CO., LTD. Free format text: FORMER OWNER: PUTIAN IT TECH INST CO., LTD. Effective date: 20130909 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130909 Address after: 100080, No. two, 2 street, Zhongguancun science and Technology Park, Beijing, Haidian District Applicant after: China Potevio Information Industry Co., Ltd. Address before: 100080 Beijing, Haidian, North Street, No. two, No. 6, No. Applicant before: Putian IT Tech Inst Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: PUTIAN IT TECH INST CO., LTD. Free format text: FORMER OWNER: CHINA POTEVIO CO., LTD. Effective date: 20131210 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20131210 Address after: 100080 Beijing, Haidian, North Street, No. two, No. 6, No. Applicant after: Putian IT Tech Inst Co., Ltd. Address before: 100080, No. two, 2 street, Zhongguancun science and Technology Park, Beijing, Haidian District Applicant before: China Potevio Information Industry Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20210527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |