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http://dx.doi.org/10.3745/KIPSTC.2004.11C.7.1023

Fast Handoff through Minimizing L2 Delay in Next Generation Mobile System  

Choi Hye-Eun (한국과학기술원 대학원 전자전산학과)
Kim Namgi (한국과학기술원 대학원 전자전산학과)
Yoon Hyunsoo (한국과학기술원 전자전산학과)
Publication Information
The KIPS Transactions:PartC / v.11C, no.7, 2004 , pp. 1023-1032 More about this Journal
Abstract
It is generally known that handoff delay degrades the QoS by packet drop, packet delay and jitter. Moreover. handoff highly effects on QoS in beyond 3G system because not only micro cells for achieving high capacity and fast moving nodes induce the frequent handoff but also hard handoff must be carried out in OFDM system. Therefore, study on a handoff algorithm for guaranteeing QoS is required. Related works on handoff for beyond 3G system mainly focused on reducing the L3 handoff delay or packet loss. That is, these schemes try to compensate L2 delay rather directly eliminate it. However, remained 1.2 delay degrades QoS, especially delay-sensitive realtime traffic. Therefore, we proposed the seamless handoff algorithmwhich can minimize the L2 handoff delay.
Keywords
Handoff; QoS; All-IP; OFDM; B3G; 4G;
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