A method for supporting a mobile station to carry out ranging and corresponding base station and relay station

A technology of base station and target relay, which is applied in base station and relay station, supports MS to perform ranging, and can solve the problem of fast ranging without MS

Inactive Publication Date: 2009-12-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the MS performs handover to the non-transparent RS, it needs to perform fast ranging. However, the prior art does not provide a method for enabling the non-transparent RS to support MS fast ranging

Method used

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  • A method for supporting a mobile station to carry out ranging and corresponding base station and relay station
  • A method for supporting a mobile station to carry out ranging and corresponding base station and relay station
  • A method for supporting a mobile station to carry out ranging and corresponding base station and relay station

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Embodiment Construction

[0030] The specific implementation process of the technical solution of the present invention and the corresponding beneficial effects that can be achieved will be described in detail below in conjunction with each accompanying drawing.

[0031] like image 3 As shown, it is the topology diagram structure of the multi-hop relay wireless communication system, where BS_1 is the serving base station of MS and non-transparent RS_1, BS_2 is the neighbor base station of BS_1, and is also the serving base station of non-transparent RS_2; where BS_1 and BS_2 pass through the backbone Network for information exchange, both non-transparent RS_1 and non-transparent RS_2 may be potential target relay stations of the MS in the handover process.

[0032] like Figure 4 As shown, it is a schematic diagram of the processing process of the first embodiment based on the principle of the method of the present invention. In this embodiment, during the handover process of the MS, its current serv...

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Abstract

A method for supporting a mobile station to carry out ranging is disclosed by the invention's embodiment,including obtaining the indication information of channel quality provided by all potential target relay stations of the mobile station,determining the common frame information which is occupied by allocating dedicated initial ranging transmission opportunity information according to the indication information of channel quality,notifying the determined common frame information to the mobile station and the potential target relay station.Correspondingly,a base station and a relay station is disclosed.The invention can be used to determinethe dedicated frame which is used to allocate dedicated initial ranging transmission opportunity information to a mobile station in a multi-hop relay wireless communication system, when a relay station acting as a potential target base station.

Description

technical field [0001] The embodiment of the present invention relates to the field of wireless communication technologies, and in particular to a method for supporting an MS to perform ranging, and a corresponding base station and relay station. Background technique [0002] With the continuous development of communication technology, the user's requirements for the access rate of the communication system are also increasing. In order to meet the requirements of the access rate, the communication system based on Broadband Wireless Access (BWA, Broadband Wireless Access) more attention. The current communication system based on the IEEE 802.16e standard is a typical BWA communication system. [0003] According to wireless communication theory, the higher the transmission frequency, the faster the radio wave decays with distance. Based on this theory, since the operating frequency of the 802.16e communication system is relatively high, the coverage of a base station (BS, Ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04B7/14H04W36/00H04W72/08H04W84/04
CPCH04W84/047H04B7/2606H04W36/30H04W72/085H04B7/155H04W36/26H04W36/0077H04W72/542
Inventor 李婷鲁艳玲张亮亮
Owner HUAWEI TECH CO LTD
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