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Fast Group Scanning Scheme in IEEE 802.16e Networks  

Choi, Jae-Kark (인하대학교 정보통신대학원 멀티미디어통신망 연구실)
Yoo, Sang-Jo (인하대학교 정보통신대학원)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.6A, 2008 , pp. 624-634 More about this Journal
Abstract
The mobile station which is about to do handover in IEEE 802.16e networks scans its neighboring base station channels to decide its next target base station. However, due to the lack of location information of its subscribers, the serving base station cannot provide any reliable candidate channel which is actually attachable by the scanning mobile stations, which makes the mobile station suffer from the long scanning time. Sometimes, long scanning time may cause the degradation of quality of service due to repeatable scan-duration or failure to start the handover procedure in time. To overcome these problems, in this paper, we propose a new protocol so called fast group scanning scheme, in which multiple mobile stations form a group to scan their neighboring base station channels simultaneously. Main contribution of this proposal is to find and decide a reliable target base station within a short scanning time. The fast group scanning scheme can be deployed to the cell network of the serving base station with a dynamic neighboring base station list management.
Keywords
IEEE 802.16e; WiMAX; M-WiMAX; Scanning; Target base station;
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  • Reference
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