Performance Enhancement of SC/S-MMSE Turbo Receiver for MIMO-SDM/OFDM Transmission(Wireless Communication Technologies)
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概要
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This paper aims to improve the performance of the soft canceller followed by simplified minimum mean-square error (SC/S-MMSE) turbo receiver [11] for multiple-input and multiple-output space-division multiplexing/orthogonal frequency division multiplexing (MIMO-SDM/OFDM) transmission; it performs iterative parallel soft interference cancellation and MMSE filtering, and stream-wise soft-input and soft-output decoding. For this aim, we newly introduce two detection techniques : 1) serial interference cancellation, and 2) cyclic redundancy check (CRC)-assisted interference cancellation and MMSE filter tap computation. Various computer simulations are conducted to evaluate the performance enhancement obtained via the use of the two detection techniques. The computer simulation results show that this paper's proposed serial SC/S-MMSE turbo receiver with CRC achieves frame error rate (FER) performance gain over existing MIMO receivers (MMSE receiver, V-BLAST receiver, parallel SC/MMSE-matched filter (MF) turbo receiver, and parallel SC/S-MMSE turbo receiver) for QPSK, 16QAM and 64QAM modulation while keeping the comparable complexity order.
- 2005-05-01
著者
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Suda Hirohito
Wireless Laboratories Ntt Docomo Inc.
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Suda Hirohito
Wireless Solution Laboratory Docomo Europe
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Fujii Hiromasa
Ntt Docomo Inc. Yokosuka‐shi Jpn
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Abe Tetsushi
Wireless Solution Laboratories Docomo Communications Laboratories Europe Gmbh
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Tomisato Shigeru
Department Of Communication Network Engineering Okayama University
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FUJII Hiromasa
Wireless Laboratories, NTT DoCoMo, Inc.
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