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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
IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
transmit diversity, multiple antennas, feedback,
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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.