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A Pre-FFT OFDM Adaptive Array Antenna with Eigenvector Combining
Shinsuke HARA Quoc Tuan TRAN Yunjian JIA Montree BUDSABATHON Yoshitaka HARA
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.8
pp.2180-2188 Publication Date: 2006/08/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.8.2180 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, adaptive array antenna, co-channel interference suppression, eigenvector,
Full Text: FreePDF
Summary:
This paper proposes a novel pre-FFT type OFDM adaptive array antenna called "Eigenvector Combining." The eigenvector combining array antenna is a realization of a post-FFT type OFDM adaptive array antenna through a pre-FFT signal processing, so it can achieve excellent performance with less computational complexity and shorter training symbols. Numerical results demonstrate that the proposed eigenvector combining array antenna shows excellent bit error rate performance close to the lower bound just with 2 OFDM symbol-long training symbols.
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