WO2011020347A1 - Handover method and system for cells in relay network - Google Patents
Handover method and system for cells in relay network Download PDFInfo
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- WO2011020347A1 WO2011020347A1 PCT/CN2010/072748 CN2010072748W WO2011020347A1 WO 2011020347 A1 WO2011020347 A1 WO 2011020347A1 CN 2010072748 W CN2010072748 W CN 2010072748W WO 2011020347 A1 WO2011020347 A1 WO 2011020347A1
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- network
- relay
- identification information
- base station
- user terminal
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013468 resource allocation Methods 0.000 claims description 6
- 239000000969 carrier Substances 0.000 abstract 4
- 238000004891 communication Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Definitions
- the present invention relates to a wireless communication network technology, and in particular, to a method and system for handover of a cell in a relay network. Background technique
- next-generation broadband wireless communication network solve the indoor coverage model such as subway station, tunnel or underground in the base station (BS), or some application models such as temporary application models and mobile vehicles, or users at the cell edge. Problems such as coverage and throughput will face serious challenges.
- a relay station (RS) is proposed to solve the problem of coverage and throughput of users in the above-mentioned coverage defect scenario.
- RS relay station
- the use of a relay station can reduce the complexity of system startup, thereby further reducing the complexity of the entire system by minimizing the complexity of the relay station.
- a relay station When a relay station adds/removes a relay station in an existing network, or adds/removes a relay station on an existing communication path by scanning, environmental monitoring, and periodic ranging (Ranging), or a new relay station login/re-login, the relay station is attached to and attached to All user terminals (User Equipments, UEs) of this relay station need to perform cell selection and handover.
- All user terminals User Equipments, UEs
- the current specification specifies that each user terminal separately performs cell selection and handover operations, and this selection and handover mode will increase the relay network. The cell selection and handover time of the user terminal, thereby reducing system efficiency.
- the main object of the present invention is to provide a handover party of a cell in a relay network.
- the method and system can shorten the time of cell selection and handover of user terminals in the relay network, thereby improving system efficiency.
- a method for switching a cell in a relay network comprising:
- the base station corrects network identification information on the dedicated component carrier according to network requirements, and sends the network identifier information to the user terminal through the relay station;
- the user terminal performs cell selection and handover according to the modified network identification information.
- the network requirements are backward compatible requirements, service requirements, or quality of service QoS priorities.
- the relay station adds the corrected network identification information to the dedicated component carrier and transmits it to the user terminal.
- the user terminal performs cell selection and switching according to the modified network identification information:
- the user terminal receives the network identification information on the dedicated component carrier and identifies the change of the information
- the user terminal initiates a cell selection and handover operation according to the corrected network identification information on the dedicated component carrier.
- the base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using the uplink grant.
- a handover system for a cell in a relay network comprising: a base station, a relay station, and a user terminal, where
- the base station is configured to determine a carrier resource allocation of a dedicated component carrier of the base station and the relay station, Determining information included in the unique network identifier of the dedicated component carrier; and modifying network identification information on the dedicated component carrier according to network requirements, and transmitting the information to the relay station;
- the relay station is configured to send the corrected network identification information from the base station to the user terminal;
- the user terminal is configured to perform cell selection and handover according to the modified network identification information from the relay station.
- the base station corrects network identification information on the dedicated component carrier according to network requirements: the base station corrects network identification information on the dedicated component carrier according to a backward compatibility requirement, a service requirement, or a quality of service QoS priority.
- the base station is further configured to notify the relay station of the corrected network identification information
- the relay station is further configured to add the modified network identification information to a dedicated component carrier, and send the information to the user terminal.
- the user terminal is further configured to receive network identification information on a dedicated component carrier and identify a change of the information; and initiate a cell selection and handover operation according to the modified network identification information on the dedicated component carrier.
- the base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using the uplink grant.
- the method and system for switching a cell in a relay network divides all carrier resources into a dedicated component carrier of a base station and a dedicated carrier of a relay station, and places a network identifier that can be uniquely identified by the user terminal on the dedicated component carrier, in the relay network.
- the user terminal can identify or fail to identify the network identifier on the dedicated component carrier to complete cell selection and handover by adjusting the information carried in the network identifier on the dedicated component carrier.
- the invention can implement batch switching of user terminals according to the network identifier without changing the existing cell selection and handover method, thereby effectively reducing the relay network with the relay station.
- the cell selection and switching time of the user terminal improves system efficiency.
- FIG. 1 is a schematic flowchart of a method for handover of a cell in a relay network according to the present invention. detailed description
- the basic idea of the present invention is: dividing all carrier resources into a base station dedicated component carrier and a relay station dedicated component carrier, and placing a network identifier uniquely identifiable by the user terminal on the dedicated component carrier, and performing cell selection and handover in the relay network.
- the user terminal can identify or fail to identify the network identifier on the dedicated component carrier to complete cell selection and handover.
- FIG. 1 is a schematic flowchart of a cell handover method in a relay network according to the present invention. As shown in FIG. 1 , a cell handover method in a relay network of the present invention generally includes the following steps:
- Step 101 The base station determines carrier resource allocation of the dedicated component carrier of the base station and the relay station. Since the resources of the relay station are from the subordinate base stations, all the carrier resources are divided into a base station dedicated component carrier and a relay station dedicated component carrier.
- Step 102 The base station determines information included in the unique network identifier of the dedicated component carrier.
- the dedicated component carrier refers to a base station dedicated component carrier and a relay station dedicated component carrier.
- a network identifier that can be uniquely identified by the user terminal is placed on the dedicated component carrier, and the network identifier can be determined according to the requirements of the wireless communication network, for example, backward compatibility requirements, service requirements, or
- Step 103 The base station corrects the network identification information on the dedicated component carrier according to the network requirement.
- the information carried in the network identifier on the dedicated component carrier may be adjusted, so that the user terminal can identify or fail to identify the network identifier on the dedicated component carrier, thereby completing the cell selection. With switching.
- Step 104 The base station notifies the relay station of the corrected network identification information.
- the base station specifically notifies the corrected network identification information by using an uplink grant.
- the station then adds the modified network identification information to the dedicated component carrier by the relay station and sends it to the user terminal.
- Step 105 The user terminal receives the network identification information on the dedicated component carrier and identifies the change of the information.
- Step 106 The user terminal initiates a cell selection and switching operation according to the modified network identification information on the dedicated component carrier.
- the user terminal of a certain information part of the network identifier can be batch-switched without changing the existing cell selection and handover method, thereby effectively reducing the wireless communication.
- the present invention also correspondingly discloses a handover system for a cell in a relay network, including: a base station, a relay station, and a user terminal, where
- a base station configured to determine a carrier resource allocation of a dedicated component carrier of the base station and the relay station, and determine information included in the unique network identifier of the dedicated component carrier; and correct network identification information on the dedicated component carrier according to network requirements, And sent to the relay station;
- a relay station configured to send the corrected network identification information from the base station to the user terminal, and the user terminal, configured to perform cell selection and switching according to the modified network identification information from the relay station.
- the base station corrects the network identification information on the dedicated component carrier according to the network requirement as: The base station corrects the network identification information on the dedicated component carrier according to the backward compatibility requirement, the service requirement, or the quality of service QoS priority.
- the base station is further configured to notify the relay station of the corrected network identification information
- the relay station is further configured to add the modified network identification information to a dedicated component carrier, and send the information to the user terminal.
- the user terminal is further configured to receive network identification information on a dedicated component carrier and identify the identifier The change of the information; and the cell selection and switching operations are initiated according to the modified network identification information on the dedicated component carrier.
- the base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using the uplink grant.
Abstract
The present invention discloses a handover method for cells in a relay network. The method includes the following steps: a base station confirms carrier resource distribution of special constituted carriers of the base station and a relay station, and confirms information included in unique network identifiers of the special constituted carriers; the base station modifies the network identifier information of the special constituted carriers based on network requirement, and sends it to a user terminal via the relay station; the user terminal implements cell selection and handover based on the modified network identifier information. The present invention also discloses a handover system for cells in the relay network accordingly. By setting the special constituted carriers and the unique network identifiers, the present invention can realize batch handovers of user terminals based on the network identifier, on the premise of keeping the existing cell selection and handover method. Thus, cell selection and handover time of the user terminal in the relay network with relay stations is reduced effectively, and the system efficiency is improved.
Description
一种中继网络中小区的切换方法及系统 技术领域 Method and system for switching cell in relay network
本发明涉及无线通信网络技术， 尤其涉及一种中继网络中小区的切换 方法及系统。 背景技术 The present invention relates to a wireless communication network technology, and in particular, to a method and system for handover of a cell in a relay network. Background technique
在下一代的宽带无线通信网络中， 解决基站（BS )范围内诸如地铁站、 隧道或者地下等室内覆盖模型中， 或者一些临时应用模型和移动的交通工 具等应用模型中， 或者小区边缘的用户的覆盖和吞吐量等问题将面临严峻 的挑战。 In the next-generation broadband wireless communication network, solve the indoor coverage model such as subway station, tunnel or underground in the base station (BS), or some application models such as temporary application models and mobile vehicles, or users at the cell edge. Problems such as coverage and throughput will face serious challenges.
目前， 在 IEEE 802.16j、 IMT- Advanced, WINNER中都提出釆用中继 站（RS ) 的方式来解决上述存在覆盖缺陷的场景中用户的覆盖和吞吐量等 问题。 与在存在覆盖缺陷的区域中增加基站相比， 釆用中继站能够降低系 统启动的复杂度， 从而能够通过中继站复杂度的最小化进一步降低整个系 统的复杂度。 At present, in IEEE 802.16j, IMT-Advanced, and WINNER, a relay station (RS) is proposed to solve the problem of coverage and throughput of users in the above-mentioned coverage defect scenario. Compared with adding a base station in an area where coverage defects exist, the use of a relay station can reduce the complexity of system startup, thereby further reducing the complexity of the entire system by minimizing the complexity of the relay station.
当中继站因现有网络中添加 /删除中继站、 或者通过扫描、 环境监听和 周期测距（Ranging )在现有通信路径上添加 /移除中继站、 或者新中继站登 录 /重新登录时， 中继站及附属于这一中继站的所有用户终端 （User Equipment, UE )都需要进行小区选择与切换， 当前规范指定由每个用户终 端单独进行小区选择与切换操作， 而这种选择与切换方式， 会增加中继网 络中用户终端的小区选择与切换的时间， 从而降低系统效率。 发明内容 When a relay station adds/removes a relay station in an existing network, or adds/removes a relay station on an existing communication path by scanning, environmental monitoring, and periodic ranging (Ranging), or a new relay station login/re-login, the relay station is attached to and attached to All user terminals (User Equipments, UEs) of this relay station need to perform cell selection and handover. The current specification specifies that each user terminal separately performs cell selection and handover operations, and this selection and handover mode will increase the relay network. The cell selection and handover time of the user terminal, thereby reducing system efficiency. Summary of the invention
有鉴于此， 本发明的主要目的在于提供一种中继网络中小区的切换方
法及系统， 能够缩短中继网络中用户终端的小区选择与切换的时间， 提高 系统效率。 In view of this, the main object of the present invention is to provide a handover party of a cell in a relay network. The method and system can shorten the time of cell selection and handover of user terminals in the relay network, thereby improving system efficiency.
为达到上述目的， 本发明的技术方案是这样实现的： In order to achieve the above object, the technical solution of the present invention is achieved as follows:
一种中继网络中小区的切换方法， 包括： A method for switching a cell in a relay network, comprising:
基站确定基站及中继站的专用组成载波的载波资源分配， 并确定所述 专用组成载波的唯一网络标识中所包括的信息； Determining, by the base station, a carrier resource allocation of a dedicated component carrier of the base station and the relay station, and determining information included in the unique network identifier of the dedicated component carrier;
基站根据网络需求修正所述专用组成载波上的网络标识信息， 并通过 中继站发送至用户终端； The base station corrects network identification information on the dedicated component carrier according to network requirements, and sends the network identifier information to the user terminal through the relay station;
用户终端根据所述修正后的网络标识信息进行小区选择与切换。 The user terminal performs cell selection and handover according to the modified network identification information.
所述网络需求为后向兼容需求、 业务需求或服务质量 QoS优先级。 所述基站通过中继站将修正后的网络标识信息发送至用户终端为： 基站将修正后的网络标识信息通知中继站； The network requirements are backward compatible requirements, service requirements, or quality of service QoS priorities. Sending, by the relay station, the corrected network identification information to the user terminal by the relay station: the base station notifying the relay station of the corrected network identification information;
中继站将所述修正后的网络标识信息加入专用组成载波， 并发送给用 户终端。 The relay station adds the corrected network identification information to the dedicated component carrier and transmits it to the user terminal.
所述用户终端根据所述修正后的网络标识信息进行小区选择与切换 为： The user terminal performs cell selection and switching according to the modified network identification information:
用户终端接收专用组成载波上的网络标识信息并识别信息的变更情 况； The user terminal receives the network identification information on the dedicated component carrier and identifies the change of the information;
用户终端根据专用组成载波上修正后的网络标识信息发起小区选择与 切换操作。 The user terminal initiates a cell selection and handover operation according to the corrected network identification information on the dedicated component carrier.
所述基站将修正后的网络标识信息通知中继站为： 基站通过上行链路 授权将修正后的网络标识信息通知中继站。 The base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using the uplink grant.
一种中继网络中小区的切换系统， 包括： 基站、 中继站和用户终端， 其中， A handover system for a cell in a relay network, comprising: a base station, a relay station, and a user terminal, where
所述基站， 用于确定基站及中继站的专用组成载波的载波资源分配，
并确定所述专用组成载波的唯一网络标识中所包括的信息； 以及根据网络 需求修正所述专用组成载波上的网络标识信息， 并发送至中继站； The base station is configured to determine a carrier resource allocation of a dedicated component carrier of the base station and the relay station, Determining information included in the unique network identifier of the dedicated component carrier; and modifying network identification information on the dedicated component carrier according to network requirements, and transmitting the information to the relay station;
所述中继站， 用于将来自基站的修正后的网络标识信息发送至用户终 端； The relay station is configured to send the corrected network identification information from the base station to the user terminal;
所述用户终端， 用于根据来自中继站的所述修正后的网络标识信息进 行小区选择与切换。 The user terminal is configured to perform cell selection and handover according to the modified network identification information from the relay station.
所述基站根据网络需求修正所述专用组成载波上的网络标识信息为： 基站根据后向兼容需求、 业务需求或服务质量 QoS优先级修正所述专用组 成载波上的网络标识信息。 The base station corrects network identification information on the dedicated component carrier according to network requirements: the base station corrects network identification information on the dedicated component carrier according to a backward compatibility requirement, a service requirement, or a quality of service QoS priority.
所述基站， 还用于将修正后的网络标识信息通知中继站； The base station is further configured to notify the relay station of the corrected network identification information;
所述中继站， 还用于将所述修正后的网络标识信息加入专用组成载波， 并发送给用户终端。 The relay station is further configured to add the modified network identification information to a dedicated component carrier, and send the information to the user terminal.
所述用户终端， 还用于接收专用组成载波上的网络标识信息并识别信 息的变更情况； 以及根据专用组成载波上修正后的网络标识信息发起小区 选择与切换操作。 The user terminal is further configured to receive network identification information on a dedicated component carrier and identify a change of the information; and initiate a cell selection and handover operation according to the modified network identification information on the dedicated component carrier.
所述基站将修正后的网络标识信息通知中继站为： 基站通过上行链路 授权将修正后的网络标识信息通知中继站。 The base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using the uplink grant.
本发明中继网络中小区的切换方法及系统， 将所有的载波资源分为基 站专用组成载波和中继站专用组成载波， 在专用组成载波上放置能够被用 户终端唯一识别的网络标识， 中继网络中进行小区选择与切换时， 通过调 整专用组成载波上的网络标识中所承载的信息， 使用户终端能够识别或不 能够识别专用组成载波上的网络标识完成小区的选择与切换。 本发明通过 设置专用组成载波及唯一的网络标识， 在不改变现有小区选择与切换方法 的前提下， 可以根据网络标识实现用户终端的批量切换， 从而有效地降低 带有中继站的中继网络中用户终端的小区选择与切换时间， 提高系统效率。
附图说明 The method and system for switching a cell in a relay network according to the present invention divides all carrier resources into a dedicated component carrier of a base station and a dedicated carrier of a relay station, and places a network identifier that can be uniquely identified by the user terminal on the dedicated component carrier, in the relay network. When performing cell selection and handover, the user terminal can identify or fail to identify the network identifier on the dedicated component carrier to complete cell selection and handover by adjusting the information carried in the network identifier on the dedicated component carrier. By setting a dedicated component carrier and a unique network identifier, the invention can implement batch switching of user terminals according to the network identifier without changing the existing cell selection and handover method, thereby effectively reducing the relay network with the relay station. The cell selection and switching time of the user terminal improves system efficiency. DRAWINGS
图 1为本发明中继网络中小区的切换方法流程示意图。 具体实施方式 FIG. 1 is a schematic flowchart of a method for handover of a cell in a relay network according to the present invention. detailed description
本发明的基本思想是： 将所有的载波资源分为基站专用组成载波和中 继站专用组成载波， 在专用组成载波上放置能够被用户终端唯一识别的网 络标识， 中继网络中进行小区选择与切换时， 通过调整专用组成载波上的 网络标识中所承载的信息， 使用户终端能够识别或不能够识别专用组成载 波上的网络标识完成小区的选择与切换。 The basic idea of the present invention is: dividing all carrier resources into a base station dedicated component carrier and a relay station dedicated component carrier, and placing a network identifier uniquely identifiable by the user terminal on the dedicated component carrier, and performing cell selection and handover in the relay network. By adjusting the information carried in the network identifier on the dedicated component carrier, the user terminal can identify or fail to identify the network identifier on the dedicated component carrier to complete cell selection and handover.
下面结合附图对技术方案的实施作进一步的详细描述。 The implementation of the technical solution will be further described in detail below with reference to the accompanying drawings.
图 1为本发明中继网络中小区的切换方法流程示意图， 如图 1所示， 本发明中继网络中小区的切换方法一般包括以下步骤： FIG. 1 is a schematic flowchart of a cell handover method in a relay network according to the present invention. As shown in FIG. 1 , a cell handover method in a relay network of the present invention generally includes the following steps:
步骤 101 : 基站确定基站及中继站的专用组成载波的载波资源分配。 由于中继站的资源来自于其从属的基站， 所以， 将所有的载波资源分 为基站专用组成载波和中继站专用组成载波。 Step 101: The base station determines carrier resource allocation of the dedicated component carrier of the base station and the relay station. Since the resources of the relay station are from the subordinate base stations, all the carrier resources are divided into a base station dedicated component carrier and a relay station dedicated component carrier.
步骤 102: 基站确定专用组成载波的唯一网络标识中所包括的信息。 这里， 所述专用组成载波指基站专用组成载波和中继站专用组成载波。 在专用组成载波上放置能够被用户终端唯一识别的网络标识， 所述网络标 识可以根据无线通信网络需求来确定， 例如， 后向兼容需求、 业务需求或 Step 102: The base station determines information included in the unique network identifier of the dedicated component carrier. Here, the dedicated component carrier refers to a base station dedicated component carrier and a relay station dedicated component carrier. A network identifier that can be uniquely identified by the user terminal is placed on the dedicated component carrier, and the network identifier can be determined according to the requirements of the wireless communication network, for example, backward compatibility requirements, service requirements, or
QoS优先级等等。 QoS priority and so on.
步骤 103： 基站根据网络需求修正专用组成载波上的网络标识信息。 为了完成中继网络中的小区选择与切换， 可以通过调整专用组成载波 上的网络标识中所承载的信息， 使用户终端能够识别或不能够识别专用组 成载波上的网络标识， 从而完成小区的选择与切换。 Step 103: The base station corrects the network identification information on the dedicated component carrier according to the network requirement. In order to complete the cell selection and handover in the relay network, the information carried in the network identifier on the dedicated component carrier may be adjusted, so that the user terminal can identify or fail to identify the network identifier on the dedicated component carrier, thereby completing the cell selection. With switching.
步骤 104: 基站将修正后的网络标识信息通知中继站。 Step 104: The base station notifies the relay station of the corrected network identification information.
这里， 基站具体通过上行链路授权将修正后的网络标识信息通知中继
站， 然后由中继站将所述修正后的网络标识信息加入专用组成载波， 并发 送给用户终端。 Here, the base station specifically notifies the corrected network identification information by using an uplink grant. The station then adds the modified network identification information to the dedicated component carrier by the relay station and sends it to the user terminal.
步骤 105:用户终端接收专用组成载波上的网络标识信息并识别信息的 变更情况。 Step 105: The user terminal receives the network identification information on the dedicated component carrier and identifies the change of the information.
步骤 106:用户终端根据专用组成载波上修正后的网络标识信息发起小 区选择与切换操作。 Step 106: The user terminal initiates a cell selection and switching operation according to the modified network identification information on the dedicated component carrier.
通过设置专用组成载波及唯一的网络标识， 在不改变现有小区选择与 切换方法的情况下， 可以对网络标识中某一确定的信息部分的用户终端进 行批量的切换， 有效地降低了无线通信系统， 特别是带有中继站的中继网 络中的用户终端的小区选择与切换时间。 By setting a dedicated component carrier and a unique network identifier, the user terminal of a certain information part of the network identifier can be batch-switched without changing the existing cell selection and handover method, thereby effectively reducing the wireless communication. The cell selection and switching time of the system, in particular the user terminal in the relay network with the relay station.
本发明还相应地公开一种中继网络中小区的切换系统， 包括： 基站、 中继站和用户终端， 其中， The present invention also correspondingly discloses a handover system for a cell in a relay network, including: a base station, a relay station, and a user terminal, where
基站， 用于确定基站及中继站的专用组成载波的载波资源分配， 并确 定所述专用组成载波的唯一网络标识中所包括的信息； 以及根据网络需求 修正所述专用组成载波上的网络标识信息， 并发送至中继站； a base station, configured to determine a carrier resource allocation of a dedicated component carrier of the base station and the relay station, and determine information included in the unique network identifier of the dedicated component carrier; and correct network identification information on the dedicated component carrier according to network requirements, And sent to the relay station;
中继站， 用于将来自基站的修正后的网络标识信息发送至用户终端； 用户终端， 用于根据来自中继站的所述修正后的网络标识信息进行小 区选择与切换。 And a relay station, configured to send the corrected network identification information from the base station to the user terminal, and the user terminal, configured to perform cell selection and switching according to the modified network identification information from the relay station.
基站根据网络需求修正所述专用组成载波上的网络标识信息为： 基站 根据后向兼容需求、 业务需求或服务质量 QoS优先级修正所述专用组成载 波上的网络标识信息。 The base station corrects the network identification information on the dedicated component carrier according to the network requirement as: The base station corrects the network identification information on the dedicated component carrier according to the backward compatibility requirement, the service requirement, or the quality of service QoS priority.
所述基站， 还用于将修正后的网络标识信息通知中继站； The base station is further configured to notify the relay station of the corrected network identification information;
所述中继站， 还用于将所述修正后的网络标识信息加入专用组成载波， 并发送给用户终端。 The relay station is further configured to add the modified network identification information to a dedicated component carrier, and send the information to the user terminal.
所述用户终端， 还用于接收专用组成载波上的网络标识信息并识别信
息的变更情况； 以及根据专用组成载波上修正后的网络标识信息发起小区 选择与切换操作。 The user terminal is further configured to receive network identification information on a dedicated component carrier and identify the identifier The change of the information; and the cell selection and switching operations are initiated according to the modified network identification information on the dedicated component carrier.
所述基站将修正后的网络标识信息通知中继站为： 基站通过上行链路 授权将修正后的网络标识信息通知中继站。 The base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using the uplink grant.
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保护范 围。
The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Claims
1、 一种中继网络中小区的切换方法， 其特征在于， 该方法包括： 基站确定基站及中继站的专用组成载波的载波资源分配， 并确定所述 专用组成载波的唯一网络标识中所包括的信息； A method for handover of a cell in a relay network, the method comprising: determining, by a base station, a carrier resource allocation of a dedicated component carrier of a base station and a relay station, and determining a unique network identifier included in the dedicated component carrier Information
基站根据网络需求修正所述专用组成载波上的网络标识信息， 并通过 中继站发送至用户终端； The base station corrects network identification information on the dedicated component carrier according to network requirements, and sends the network identifier information to the user terminal through the relay station;
用户终端根据所述修正后的网络标识信息进行小区选择与切换。 The user terminal performs cell selection and handover according to the modified network identification information.
2、 根据权利要求 1所述中继网络中小区的切换方法， 其特征在于， 所 述网络需求为后向兼容需求、 业务需求或服务质量 QoS优先级。 2. The method for handover of a cell in a relay network according to claim 1, wherein the network requirement is a backward compatibility requirement, a service requirement, or a quality of service QoS priority.
3、 根据权利要求 1所述中继网络中小区的切换方法， 其特征在于， 所 述基站通过中继站将修正后的网络标识信息发送至用户终端为： The method for switching a cell in a relay network according to claim 1, wherein the base station sends the corrected network identification information to the user terminal by using the relay station:
基站将修正后的网络标识信息通知中继站； The base station notifies the relay station of the corrected network identification information;
中继站将所述修正后的网络标识信息加入专用组成载波， 并发送给用 户终端。 The relay station adds the corrected network identification information to the dedicated component carrier and transmits it to the user terminal.
4、 根据权利要求 3所述中继网络中小区的切换方法， 其特征在于， 所 述用户终端根据所述修正后的网络标识信息进行小区选择与切换为： The method for switching a cell in a relay network according to claim 3, wherein the user terminal performs cell selection and switching according to the modified network identification information:
用户终端接收专用组成载波上的网络标识信息并识别信息的变更情 况； The user terminal receives the network identification information on the dedicated component carrier and identifies the change of the information;
用户终端根据专用组成载波上修正后的网络标识信息发起小区选择与 切换操作。 The user terminal initiates a cell selection and handover operation according to the corrected network identification information on the dedicated component carrier.
5、 根据权利要求 3所述中继网络中小区的切换方法， 其特征在于， 所 述基站将修正后的网络标识信息通知中继站为： 基站通过上行链路授权将 修正后的网络标识信息通知中继站。 The method for switching a cell in a relay network according to claim 3, wherein the base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using an uplink grant. .
6、 一种中继网络中小区的切换系统， 其特征在于， 该系统包括： 基站、 中继站和用户终端， 其中，
所述基站， 用于确定基站及中继站的专用组成载波的载波资源分配， 并确定所述专用组成载波的唯一网络标识中所包括的信息； 以及根据网络 需求修正所述专用组成载波上的网络标识信息， 并发送至中继站； A switching system for a cell in a relay network, the system comprising: a base station, a relay station, and a user terminal, where The base station is configured to determine a carrier resource allocation of a dedicated component carrier of the base station and the relay station, and determine information included in the unique network identifier of the dedicated component carrier; and correct the network identifier on the dedicated component carrier according to network requirements Information and sent to the relay station;
所述中继站， 用于将来自基站的修正后的网络标识信息发送至用户终 端； The relay station is configured to send the corrected network identification information from the base station to the user terminal;
所述用户终端， 用于根据来自中继站的所述修正后的网络标识信息进 行小区选择与切换。 The user terminal is configured to perform cell selection and handover according to the modified network identification information from the relay station.
7、 根据权利要求 6所述中继网络中小区的切换系统， 其特征在于， 所 述基站根据网络需求修正所述专用组成载波上的网络标识信息为： 基站根 据后向兼容需求、 业务需求或 QoS优先级 ^ί'爹正所述专用组成载波上的网络 标识信息。 The handover system of the cell in the relay network according to claim 6, wherein the base station corrects network identification information on the dedicated component carrier according to network requirements: the base station is based on backward compatibility requirements, service requirements, or The QoS priority ^ί'爹 is the network identification information on the dedicated component carrier.
8、 根据权利要求 6所述中继网络中小区的切换系统， 其特征在于， 所述基站， 还用于将修正后的网络标识信息通知中继站； The handover system of the cell in the relay network according to claim 6, wherein the base station is further configured to notify the relay station of the corrected network identification information;
所述中继站， 还用于将所述修正后的网络标识信息加入专用组成载波， 并发送给用户终端。 The relay station is further configured to add the modified network identification information to a dedicated component carrier, and send the information to the user terminal.
9、 根据权利要求 8所述中继网络中小区的切换系统， 其特征在于， 所述用户终端， 还用于接收专用组成载波上的网络标识信息并识别信 息的变更情况； 以及根据专用组成载波上修正后的网络标识信息发起小区 选择与切换操作。 The system for switching a cell in a relay network according to claim 8, wherein the user terminal is further configured to receive network identification information on a dedicated component carrier and identify a change of the information; and The modified network identification information initiates a cell selection and handover operation.
10、 根据权利要求 8所述中继网络中小区的切换系统， 其特征在于， 所述基站将修正后的网络标识信息通知中继站为： 基站通过上行链路授权 将修正后的网络标识信息通知中继站。
10. The handover system of a cell in a relay network according to claim 8, wherein the base station notifies the relay station of the corrected network identification information to: the base station notifies the relay station of the corrected network identification information by using an uplink grant. .
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| CN101064943A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Method for switching uplink random channel or sharing channel between mobile communication systems |
| CN101449613A (en) * | 2006-04-19 | 2009-06-03 | 诺基亚公司 | Handover or location update optimization for relay stations in a wireless network |
| US20090156214A1 (en) * | 2007-12-18 | 2009-06-18 | Samsung Electronics Co., Ltd. | Preamble design method for reducing overhead during handover in hierarchical cellular system |
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| CN101449613A (en) * | 2006-04-19 | 2009-06-03 | 诺基亚公司 | Handover or location update optimization for relay stations in a wireless network |
| CN101064943A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Method for switching uplink random channel or sharing channel between mobile communication systems |
| US20090156214A1 (en) * | 2007-12-18 | 2009-06-18 | Samsung Electronics Co., Ltd. | Preamble design method for reducing overhead during handover in hierarchical cellular system |
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