Improving Handover Quality in 4G Mobile Systems

Dongwook KIM
Hanjin LEE
Namgi KIM
Hyunsoo YOON

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E91-A    No.7    pp.1686-1688
Publication Date: 2008/07/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.7.1686
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
handover,  hybrid ARQ,  4G mobile systems,  wireless QoS,  

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In this paper, we propose a new handover algorithm to guarantee handover quality in 4G mobile systems. The proposed algorithm limits the handover interruption time by improving the HARQ retransmission latency of the first packet transmitted from new serving cell. Through the simulations, we proved that our algorithm meets the requirement of handover interruption time for TCP services with high rate.