A Novel Bi-directional Relaying Scheme with Low Complexity

Feng HU
Hua ZHANG
Xiaohu YOU

Publication
IEICE TRANSACTIONS on Communications   Vol.E93-B    No.2    pp.423-427
Publication Date: 2010/02/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.423
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
OFDM,  relay,  bi-direction,  channel estimation,  

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Summary: 
In this paper we investigate a low complexity channel estimation and data transmission scheme for bi-directional relaying networks. We also propose a semi-orthogonal pilot structure for channel estimation to increase the efficiency of data transmission between the Base Station (BS) and Mobile Station (MS) via a fixed Relay Node (RN).