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An Efficient Scheme for Transmit Antenna Diversity with Limited Feedback Channel Rate
Seung Hoon SHIN Bong Kwan CHO Hyeon Chyeol HWANG Kyung Sup KWAK
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.8
pp.3471-3474 Publication Date: 2005/08/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.8.3471 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: transmit diversity, multiple antennas, feedback,
Full Text: PDF(178.3KB)>>
Summary:
In this letter, we propose an efficient closed-loop transmit (Tx) diversity scheme that works well for high mobility as well as low mobility. The proposed scheme exploits a quantized weight vector codebook designed by separating it into gain and phase codebooks. Simulation results reveal that the proposed scheme can provide a significant advantage in both complexity and flexibility over conventional methods.
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