Cooperative Communication for High Diversity Gain with Single Antenna

Ho-Jung AN  Jee-Hoon KIM  Hyoung-Kyu SONG  

IEICE TRANSACTIONS on Communications   Vol.E90-B    No.7    pp.1868-1871
Publication Date: 2007/07/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.7.1868
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
pre-coding,  amplify-and-forward,  STBC,  transmit diversity,  CSI,  

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Cooperative communication enables single antenna to realize a virtual multiple antenna by sharing their antennas. Therefore, it offers transmit diversity. In this letter, we apply pre-coding scheme to the transmit symbols. Although pre-coding has shortcomings, it is possible to employ Space-Time Block Codes (STBC) with single antenna and achieve high gain.