Adaptive MIMO-MLSE Blind Detection in Heterogeneous Stream Transmission for Mobile Radio Communications

Issei KANNO; Hiroshi SUZUKI; Kazuhiko FUKAWA

doi:10.1093/ietcom/e91-b.7.2346

Adaptive MIMO-MLSE Blind Detection in Heterogeneous Stream Transmission for Mobile Radio Communications

Issei KANNO, Hiroshi SUZUKI, Kazuhiko FUKAWA

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This paper proposes a novel MIMO system that introduces a heterogeneous stream (HTS) scheme and a blind signal detection method for mobile radio communications. The HTS scheme utilizes different modulation or coding methods for different MIMO streams, and the blind detection method requires no training sequences for signal separation, detection, and channel estimation. The HTS scheme can remove the ambiguity in identifying separated streams without unique words that are necessary in conventional MIMO blind detection. More specifically, two examples of HTS are considered: modulation type HTS (MHTS) and timing-offset type HTS (THTS). MHTS, which utilizes different modulation constellations with the same bandwidth for different streams, has been previously investigated. This paper proposes THTS which utilizes different transmission timing with the same modulation. THTS can make the blind detection more robust and effective with fractional sampling. The blind joint processing of detection and channel estimation performs adaptive blind MIMO-MLSE and is derived from an adaptive blind MLSE equalizer that employs the recursive channel estimation with the Moore-Penrose generalized inverse. Computer simulations show that the proposed system can achieve superior BER performance with E_b/N₀ degradation of 1 dB in THTS and 2.5 dB in MHTS compared with the ideal maximum likelihood detection.

Publication: IEICE TRANSACTIONS on Communications Vol.E91-B No.7 pp.2346-2356

Publication Date: 2008/07/01

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Online ISSN: 1745-1345

DOI: 10.1093/ietcom/e91-b.7.2346

Type of Manuscript: PAPER

Category: Wireless Communication Technologies

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Issei KANNO, Hiroshi SUZUKI, Kazuhiko FUKAWA, "Adaptive MIMO-MLSE Blind Detection in Heterogeneous Stream Transmission for Mobile Radio Communications" in IEICE TRANSACTIONS on Communications, vol. E91-B, no. 7, pp. 2346-2356, July 2008, doi: 10.1093/ietcom/e91-b.7.2346.
Abstract: This paper proposes a novel MIMO system that introduces a heterogeneous stream (HTS) scheme and a blind signal detection method for mobile radio communications. The HTS scheme utilizes different modulation or coding methods for different MIMO streams, and the blind detection method requires no training sequences for signal separation, detection, and channel estimation. The HTS scheme can remove the ambiguity in identifying separated streams without unique words that are necessary in conventional MIMO blind detection. More specifically, two examples of HTS are considered: modulation type HTS (MHTS) and timing-offset type HTS (THTS). MHTS, which utilizes different modulation constellations with the same bandwidth for different streams, has been previously investigated. This paper proposes THTS which utilizes different transmission timing with the same modulation. THTS can make the blind detection more robust and effective with fractional sampling. The blind joint processing of detection and channel estimation performs adaptive blind MIMO-MLSE and is derived from an adaptive blind MLSE equalizer that employs the recursive channel estimation with the Moore-Penrose generalized inverse. Computer simulations show that the proposed system can achieve superior BER performance with E_b/N₀ degradation of 1 dB in THTS and 2.5 dB in MHTS compared with the ideal maximum likelihood detection.
URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e91-b.7.2346/_p

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@ARTICLE{e91-b_7_2346,
author={Issei KANNO, Hiroshi SUZUKI, Kazuhiko FUKAWA, },
journal={IEICE TRANSACTIONS on Communications},
title={Adaptive MIMO-MLSE Blind Detection in Heterogeneous Stream Transmission for Mobile Radio Communications},
year={2008},
volume={E91-B},
number={7},
pages={2346-2356},
abstract={This paper proposes a novel MIMO system that introduces a heterogeneous stream (HTS) scheme and a blind signal detection method for mobile radio communications. The HTS scheme utilizes different modulation or coding methods for different MIMO streams, and the blind detection method requires no training sequences for signal separation, detection, and channel estimation. The HTS scheme can remove the ambiguity in identifying separated streams without unique words that are necessary in conventional MIMO blind detection. More specifically, two examples of HTS are considered: modulation type HTS (MHTS) and timing-offset type HTS (THTS). MHTS, which utilizes different modulation constellations with the same bandwidth for different streams, has been previously investigated. This paper proposes THTS which utilizes different transmission timing with the same modulation. THTS can make the blind detection more robust and effective with fractional sampling. The blind joint processing of detection and channel estimation performs adaptive blind MIMO-MLSE and is derived from an adaptive blind MLSE equalizer that employs the recursive channel estimation with the Moore-Penrose generalized inverse. Computer simulations show that the proposed system can achieve superior BER performance with E_b/N₀ degradation of 1 dB in THTS and 2.5 dB in MHTS compared with the ideal maximum likelihood detection.},
keywords={},
doi={10.1093/ietcom/e91-b.7.2346},
ISSN={1745-1345},
month={July},}

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TY - JOUR
TI - Adaptive MIMO-MLSE Blind Detection in Heterogeneous Stream Transmission for Mobile Radio Communications
T2 - IEICE TRANSACTIONS on Communications
SP - 2346
EP - 2356
AU - Issei KANNO
AU - Hiroshi SUZUKI
AU - Kazuhiko FUKAWA
PY - 2008
DO - 10.1093/ietcom/e91-b.7.2346
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E91-B
IS - 7
JA - IEICE TRANSACTIONS on Communications
Y1 - July 2008
AB - This paper proposes a novel MIMO system that introduces a heterogeneous stream (HTS) scheme and a blind signal detection method for mobile radio communications. The HTS scheme utilizes different modulation or coding methods for different MIMO streams, and the blind detection method requires no training sequences for signal separation, detection, and channel estimation. The HTS scheme can remove the ambiguity in identifying separated streams without unique words that are necessary in conventional MIMO blind detection. More specifically, two examples of HTS are considered: modulation type HTS (MHTS) and timing-offset type HTS (THTS). MHTS, which utilizes different modulation constellations with the same bandwidth for different streams, has been previously investigated. This paper proposes THTS which utilizes different transmission timing with the same modulation. THTS can make the blind detection more robust and effective with fractional sampling. The blind joint processing of detection and channel estimation performs adaptive blind MIMO-MLSE and is derived from an adaptive blind MLSE equalizer that employs the recursive channel estimation with the Moore-Penrose generalized inverse. Computer simulations show that the proposed system can achieve superior BER performance with E_b/N₀ degradation of 1 dB in THTS and 2.5 dB in MHTS compared with the ideal maximum likelihood detection.
ER -