Channel Estimation for Two-Way Relay OFDM Networks

Channel Estimation for Two-Way Relay OFDM Networks

We consider the channel estimation for two-way relay OFDM networks. We proposed an LS-based channel estimation algorithm under block-based training schemes. Based on the mean square error (MSE) criterion, the condition and the design method for optimal training sequences are discussed. To reduce pea...

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Veröffentlicht in:EURASIP journal on wireless communications and networking 2010-01, Vol.2010 (1), p.186182-186182
Hauptverfasser: Yang, Weiwei, Cai, Yueming, Hu, Junquan, Yang, Wendong
Format: Artikel
Sprache:eng
Schlagworte:
Algorithms
Communication
Design
Peer to peer computing
Random variables
Studies
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Zusammenfassung:We consider the channel estimation for two-way relay OFDM networks. We proposed an LS-based channel estimation algorithm under block-based training schemes. Based on the mean square error (MSE) criterion, the condition and the design method for optimal training sequences are discussed. To reduce peak-to-average power ratio (PAPR), a special sequence called Zadoff-Chu sequence is employed to design the optimal training sequence, which can achieve both minimum MSE performance and excellent PAPR performance.
ISSN:1687-1472
1687-1499
1687-1499
DOI:10.1186/1687-1499-2010-186182