IEICE TRANSACTIONS on Communications
A Virtual Layered Successive Detector with Adaptive Transmit Signal Phase Rotation for QAM
Summary :
This paper proposes a virtual layered successive detector with adaptive transmit signal phase rotation for quadrature amplitude modulation (QAM) that enables high speed communication even in downlinks of wireless communication systems. It is shown that the detection performance is degraded when the eigenvalue of a virtual channel becomes close to the power of the additive white Gaussian noise (AWGN). Therefore, adaptive transmit signal phase rotation is introduced for the detector to improve the transmission performance. For the transmit phase rotation, three techniques to search the rotation angles are proposed, which can reduce the feedback information from the receiver to the transmitter. Among the three proposed techniques, the technique called “iterative variable step step search” is shown to achieve the best performance. Actually, it is confirmed by computer simulation that the variable step search makes the detector attain about 17 dB of a gain at the bit error rate (BER) of 10-5 in 4
- Publication
- IEICE TRANSACTIONS on Communications Vol.E95-B No.10 pp.3232-3241
- Publication Date
- 2012/10/01
- Publicized
- Online ISSN
- 1745-1345
- DOI
- 10.1587/transcom.E95.B.3232
- Type of Manuscript
- PAPER
- Category
- Wireless Communication Technologies
Authors
Keyword
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Satoshi DENNO, Jun IMAMURA, Masahiro MORIKURA, "A Virtual Layered Successive Detector with Adaptive Transmit Signal Phase Rotation for QAM" in IEICE TRANSACTIONS on Communications,
vol. E95-B, no. 10, pp. 3232-3241, October 2012, doi: 10.1587/transcom.E95.B.3232.
Abstract: This paper proposes a virtual layered successive detector with adaptive transmit signal phase rotation for quadrature amplitude modulation (QAM) that enables high speed communication even in downlinks of wireless communication systems. It is shown that the detection performance is degraded when the eigenvalue of a virtual channel becomes close to the power of the additive white Gaussian noise (AWGN). Therefore, adaptive transmit signal phase rotation is introduced for the detector to improve the transmission performance. For the transmit phase rotation, three techniques to search the rotation angles are proposed, which can reduce the feedback information from the receiver to the transmitter. Among the three proposed techniques, the technique called “iterative variable step step search” is shown to achieve the best performance. Actually, it is confirmed by computer simulation that the variable step search makes the detector attain about 17 dB of a gain at the bit error rate (BER) of 10-5 in 4
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E95.B.3232/_p
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@ARTICLE{e95-b_10_3232,
author={Satoshi DENNO, Jun IMAMURA, Masahiro MORIKURA, },
journal={IEICE TRANSACTIONS on Communications},
title={A Virtual Layered Successive Detector with Adaptive Transmit Signal Phase Rotation for QAM},
year={2012},
volume={E95-B},
number={10},
pages={3232-3241},
abstract={This paper proposes a virtual layered successive detector with adaptive transmit signal phase rotation for quadrature amplitude modulation (QAM) that enables high speed communication even in downlinks of wireless communication systems. It is shown that the detection performance is degraded when the eigenvalue of a virtual channel becomes close to the power of the additive white Gaussian noise (AWGN). Therefore, adaptive transmit signal phase rotation is introduced for the detector to improve the transmission performance. For the transmit phase rotation, three techniques to search the rotation angles are proposed, which can reduce the feedback information from the receiver to the transmitter. Among the three proposed techniques, the technique called “iterative variable step step search” is shown to achieve the best performance. Actually, it is confirmed by computer simulation that the variable step search makes the detector attain about 17 dB of a gain at the bit error rate (BER) of 10-5 in 4
keywords={},
doi={10.1587/transcom.E95.B.3232},
ISSN={1745-1345},
month={October},}
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TY - JOUR
TI - A Virtual Layered Successive Detector with Adaptive Transmit Signal Phase Rotation for QAM
T2 - IEICE TRANSACTIONS on Communications
SP - 3232
EP - 3241
AU - Satoshi DENNO
AU - Jun IMAMURA
AU - Masahiro MORIKURA
PY - 2012
DO - 10.1587/transcom.E95.B.3232
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E95-B
IS - 10
JA - IEICE TRANSACTIONS on Communications
Y1 - October 2012
AB - This paper proposes a virtual layered successive detector with adaptive transmit signal phase rotation for quadrature amplitude modulation (QAM) that enables high speed communication even in downlinks of wireless communication systems. It is shown that the detection performance is degraded when the eigenvalue of a virtual channel becomes close to the power of the additive white Gaussian noise (AWGN). Therefore, adaptive transmit signal phase rotation is introduced for the detector to improve the transmission performance. For the transmit phase rotation, three techniques to search the rotation angles are proposed, which can reduce the feedback information from the receiver to the transmitter. Among the three proposed techniques, the technique called “iterative variable step step search” is shown to achieve the best performance. Actually, it is confirmed by computer simulation that the variable step search makes the detector attain about 17 dB of a gain at the bit error rate (BER) of 10-5 in 4
ER -
English
