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Differentiated resource reservation scheme with handover clearing relay for hybrid duplexing systems

Title
Differentiated resource reservation scheme with handover clearing relay for hybrid duplexing systems
Authors
Yu H.-I.Shin S.-J.Kang H.-L.Kim N.-M.
Ewha Authors
김낙명
SCOPUS Author ID
김낙명scopus
Issue Date
2008
Journal Title
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
Indexed
SCOPUS scopus
Abstract
Recently, there have been a lot of researches on hybrid duplexing (HD) to exploit advantages of both time division duplexing (TDD) and frequency division duplexing (FDD). In the next generation communication, heterogeneous cell structure in which each cell would apply proper duplexing mode independently will be raised instead of homogeneous cell structure. However, in heterogeneous cell environment, it would be difficult for handover calls to be guaranteed resource because each duplexing mode has different extent to accommodate asymmetric traffic. In this paper, we propose a differentiated resource reservation scheme to guarantee resource for mobile expected to handover, and also introduce a new handover operation using handover clearing relay to reduce essentially inefficient resource utilization due to asymmetric traffic. The computer simulations show our differentiated resource reservation scheme with handover clearing relay outperforms the conventional schemes with regards to dropping probability of handover call and resource utilization ratio. © 2008 IEEE.
DOI
10.1109/PIMRC.2008.4699803
ISBN
9781424426447
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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