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An adaptive space-time coding based relay allocation scheme in AF cooperative systems

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4 Author(s)
Seung-Ri Jin ; Sch. of Electr. Eng. & Comput. Sci., KAIST, Daejeon, South Korea ; Joontae Kim ; Won-Chul Choi ; Dong-Jo Park

An adaptive relay allocation scheme for multi-user cooperative communication systems with amplify-and-forward (AF) relays is investigated. We consider maximizing system capacity while guaranteeing the QoS (Quality of Service) of each user. Proposed relay allocation scheme uses space-time coding technique. It performs well in allocating relay nodes to multiple source-destination pairs. The proposed algorithm enhances system performance without loss of diversity.

Published in:

Communications and Information Technology, 2009. ISCIT 2009. 9th International Symposium on

Date of Conference:

28-30 Sept. 2009