Non-Coherent MIMO of Per Transmit Antenna Differential Mapping (PADM) Employing Asymmetric Space-Time Mapping and Channel Prediction

Hiroshi KUBO; Takuma YAMAGISHI; Toshiki MORI

doi:10.1587/transcom.2016EBP3162

Non-Coherent MIMO of Per Transmit Antenna Differential Mapping (PADM) Employing Asymmetric Space-Time Mapping and Channel Prediction

Hiroshi KUBO, Takuma YAMAGISHI, Toshiki MORI

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This paper proposes performance improvement schemes for non-coherent multiple-input multiple-output (MIMO) communication systems employing per transmit antenna differential mapping (PADM). PADM is one form of differential space-time coding (DSTC), which generates an independent differentially encoded sequence for each of the multiple transmit antennas by means of space-time coding and mapping. The features of the proposed schemes are as follows: 1) it employs an asymmetric space-time mapping instead of the conventional symmetric space-time mapping in order to lower the required signal to noise power ratio (SNR) for maintaining the bit error rate (BER) performance; 2) it employs an analytically derived branch metric criterion based on channel prediction for per-survivor processing (PSP) in order to track fast time-varying channels. Finally, computer simulation results confirm that the proposed schemes improve the required SNR by around 1dB and can track at the maximum Doppler frequency normalized by symbol rate of 5%.

Publication: IEICE TRANSACTIONS on Communications Vol.E100-B No.5 pp.808-817

Publication Date: 2017/05/01

Publicized: 2016/11/16

Online ISSN: 1745-1345

DOI: 10.1587/transcom.2016EBP3162

Type of Manuscript: PAPER

Category: Wireless Communication Technologies

Authors

Hiroshi KUBO
  Ritsumeikan University
Takuma YAMAGISHI
  Ritsumeikan University
Toshiki MORI
  Ritsumeikan University

Keyword

multiple-input multiple-output, transmit diversity, spatial multiplexing, differential space-time signal processing, maximum-likelihood detection, Viterbi detection

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Hiroshi KUBO, Takuma YAMAGISHI, Toshiki MORI, "Non-Coherent MIMO of Per Transmit Antenna Differential Mapping (PADM) Employing Asymmetric Space-Time Mapping and Channel Prediction" in IEICE TRANSACTIONS on Communications, vol. E100-B, no. 5, pp. 808-817, May 2017, doi: 10.1587/transcom.2016EBP3162.
Abstract: This paper proposes performance improvement schemes for non-coherent multiple-input multiple-output (MIMO) communication systems employing per transmit antenna differential mapping (PADM). PADM is one form of differential space-time coding (DSTC), which generates an independent differentially encoded sequence for each of the multiple transmit antennas by means of space-time coding and mapping. The features of the proposed schemes are as follows: 1) it employs an asymmetric space-time mapping instead of the conventional symmetric space-time mapping in order to lower the required signal to noise power ratio (SNR) for maintaining the bit error rate (BER) performance; 2) it employs an analytically derived branch metric criterion based on channel prediction for per-survivor processing (PSP) in order to track fast time-varying channels. Finally, computer simulation results confirm that the proposed schemes improve the required SNR by around 1dB and can track at the maximum Doppler frequency normalized by symbol rate of 5%.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2016EBP3162/_p

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@ARTICLE{e100-b_5_808,
author={Hiroshi KUBO, Takuma YAMAGISHI, Toshiki MORI, },
journal={IEICE TRANSACTIONS on Communications},
title={Non-Coherent MIMO of Per Transmit Antenna Differential Mapping (PADM) Employing Asymmetric Space-Time Mapping and Channel Prediction},
year={2017},
volume={E100-B},
number={5},
pages={808-817},
abstract={This paper proposes performance improvement schemes for non-coherent multiple-input multiple-output (MIMO) communication systems employing per transmit antenna differential mapping (PADM). PADM is one form of differential space-time coding (DSTC), which generates an independent differentially encoded sequence for each of the multiple transmit antennas by means of space-time coding and mapping. The features of the proposed schemes are as follows: 1) it employs an asymmetric space-time mapping instead of the conventional symmetric space-time mapping in order to lower the required signal to noise power ratio (SNR) for maintaining the bit error rate (BER) performance; 2) it employs an analytically derived branch metric criterion based on channel prediction for per-survivor processing (PSP) in order to track fast time-varying channels. Finally, computer simulation results confirm that the proposed schemes improve the required SNR by around 1dB and can track at the maximum Doppler frequency normalized by symbol rate of 5%.},
keywords={},
doi={10.1587/transcom.2016EBP3162},
ISSN={1745-1345},
month={May},}

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TY - JOUR
TI - Non-Coherent MIMO of Per Transmit Antenna Differential Mapping (PADM) Employing Asymmetric Space-Time Mapping and Channel Prediction
T2 - IEICE TRANSACTIONS on Communications
SP - 808
EP - 817
AU - Hiroshi KUBO
AU - Takuma YAMAGISHI
AU - Toshiki MORI
PY - 2017
DO - 10.1587/transcom.2016EBP3162
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E100-B
IS - 5
JA - IEICE TRANSACTIONS on Communications
Y1 - May 2017
AB - This paper proposes performance improvement schemes for non-coherent multiple-input multiple-output (MIMO) communication systems employing per transmit antenna differential mapping (PADM). PADM is one form of differential space-time coding (DSTC), which generates an independent differentially encoded sequence for each of the multiple transmit antennas by means of space-time coding and mapping. The features of the proposed schemes are as follows: 1) it employs an asymmetric space-time mapping instead of the conventional symmetric space-time mapping in order to lower the required signal to noise power ratio (SNR) for maintaining the bit error rate (BER) performance; 2) it employs an analytically derived branch metric criterion based on channel prediction for per-survivor processing (PSP) in order to track fast time-varying channels. Finally, computer simulation results confirm that the proposed schemes improve the required SNR by around 1dB and can track at the maximum Doppler frequency normalized by symbol rate of 5%.
ER -