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Joint Tx/Rx MMSE Filtering for Single-Carrier MIMO Transmission
Shinya KUMAGAI Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI
Publication
IEICE TRANSACTIONS on Communications
Vol.E97-B
No.9
pp.1967-1976 Publication Date: 2014/09/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E97.B.1967
Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: single-carrier transmission, MIMO, MMSE filtering, rank adaptation, adaptive modulation,
Full Text: PDF(2.5MB)>>
Summary:
In this paper, we propose a joint transmit and receive linear filtering based on minimum mean square error criterion (joint Tx/Rx MMSE filtering) for single-carrier (SC) multiple-input multiple-output (MIMO) transmission. Joint Tx/Rx MMSE filtering transforms the MIMO channel to the orthogonal eigenmodes to avoid the inter-antenna interference (IAI) and performs MMSE based transmit power allocation to sufficiently suppress the inter-symbol interference (ISI) resulting from the severe frequency-selectivity of the channel. Rank adaptation and adaptive modulation are jointly introduced to narrow the gap of received signal-to-interference plus noise power ratio (SINR) among eigenmodes. The superiority of the SC-MIMO transmission with joint Tx/Rx MMSE filtering and joint rank adaptation/adaptive modulation is confirmed by computer simulation.
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