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Capacity Based Fast Receive Antenna Subset Selection in MIMO System
Wei GUAN Hanwen LUO Haibin ZHANG
IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
MIMO, antenna selection, capacity, complexity,
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In this letter, we develop a two-step receive antenna selection method to maximize channel capacity. Different from previous work, we first derive a lower bound on capacity based on Hadamard inequality and arithmetic-geometric mean inequality, which is then used to iteratively drop the worst-performing antennas according to their measure. The recursive nature of this method helps to largely reduce the computational complexity.