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http://dx.doi.org/10.3745/KIPSTC.2006.13C.3.323

Efficient Handoff Time Decision Algorithm using Differential RSSI  

Kwon Young-Hwan (한국정보통신대학교)
Choi Seong-Gon (충북대학교 정보통신공학과)
Choi Jun-Kyun (한국정보통신대학교)
Publication Information
The KIPS Transactions:PartC / v.13C, no.3, 2006 , pp. 323-330 More about this Journal
Abstract
This paper proposes a handoff time decision mechanism to utilize resource efficiently by using Differential Received Signal Strength Indicator (DRSSI). DRSSI can be used to predict the movement direction of Mobile Station (MS). In other words, DRSSI changes its sign (+ or -) when a MS changes movement direction. This mechanism maximizes resource availability of Base Station (BS) by predicting resource reservation of MS and by giving priority of resource to MS. It is possible when a BS predicts the behavior of MSs by monitoring the DRSSI of MSs in overlapped region among cells. Additionally, we show that our proposed mechanism has better handoff blocking probability than existing mechanism with numerical modeling and analysis.
Keywords
Handoff; Differential RSSI; Speed;
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