Joint Tx/Rx MMSE Filtering for Single-Carrier MIMO Transmission

Shinya KUMAGAI, Tatsunori OBARA, Tetsuya YAMAMOTO, Fumiyuki ADACHI

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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.

Publication
IEICE TRANSACTIONS on Communications Vol.E97-B No.9 pp.1967-1976
Publication Date
2014/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E97.B.1967
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Shinya KUMAGAI
  Tohoku University
Tatsunori OBARA
  Tohoku University
Tetsuya YAMAMOTO
  Tohoku University
Fumiyuki ADACHI
  Tohoku University

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