A Study of a Blind Multiple Beam Adaptive Array

Sanghoon SONG; Yoonki CHOI; Kiyoharu AIZAWA; Mitsutoshi HATORI

A Study of a Blind Multiple Beam Adaptive Array

Sanghoon SONG, Yoonki CHOI, Kiyoharu AIZAWA, Mitsutoshi HATORI

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In land mobile communication, CMA (Constant Modulus Algorithm) has been studied to reduce multipath fading effect. By this method, the transmitted power is not used efficiently since all the multipath components have the same information. To make use of received power efficiently, we propose a Blind Multiple Beam Adaptive Array. It has the following three feature points. First, we use CMA which can reduce the multipath fading effect to some extent without training signal. Second, LMS algorithm which can capture the multipath components which are separated from the reference signal by some extent. Third, we use FDF (Fractional Delay Filter) and TED (Timing Error Detector) loop which can detect and compensate fractional delay. As a result of utilizing the multipath components which is suppressed by CMA, the proposed technique achieves better performance than CMA adaptive array.

Publication: IEICE TRANSACTIONS on Fundamentals Vol.E81-A No.6 pp.1270-1275

Publication Date: 1998/06/25

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Category: Communication Theory and Signals

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Sanghoon SONG, Yoonki CHOI, Kiyoharu AIZAWA, Mitsutoshi HATORI, "A Study of a Blind Multiple Beam Adaptive Array" in IEICE TRANSACTIONS on Fundamentals, vol. E81-A, no. 6, pp. 1270-1275, June 1998, doi: .
Abstract: In land mobile communication, CMA (Constant Modulus Algorithm) has been studied to reduce multipath fading effect. By this method, the transmitted power is not used efficiently since all the multipath components have the same information. To make use of received power efficiently, we propose a Blind Multiple Beam Adaptive Array. It has the following three feature points. First, we use CMA which can reduce the multipath fading effect to some extent without training signal. Second, LMS algorithm which can capture the multipath components which are separated from the reference signal by some extent. Third, we use FDF (Fractional Delay Filter) and TED (Timing Error Detector) loop which can detect and compensate fractional delay. As a result of utilizing the multipath components which is suppressed by CMA, the proposed technique achieves better performance than CMA adaptive array.
URL: https://globals.ieice.org/en_transactions/fundamentals/10.1587/e81-a_6_1270/_p

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@ARTICLE{e81-a_6_1270,
author={Sanghoon SONG, Yoonki CHOI, Kiyoharu AIZAWA, Mitsutoshi HATORI, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={A Study of a Blind Multiple Beam Adaptive Array},
year={1998},
volume={E81-A},
number={6},
pages={1270-1275},
abstract={In land mobile communication, CMA (Constant Modulus Algorithm) has been studied to reduce multipath fading effect. By this method, the transmitted power is not used efficiently since all the multipath components have the same information. To make use of received power efficiently, we propose a Blind Multiple Beam Adaptive Array. It has the following three feature points. First, we use CMA which can reduce the multipath fading effect to some extent without training signal. Second, LMS algorithm which can capture the multipath components which are separated from the reference signal by some extent. Third, we use FDF (Fractional Delay Filter) and TED (Timing Error Detector) loop which can detect and compensate fractional delay. As a result of utilizing the multipath components which is suppressed by CMA, the proposed technique achieves better performance than CMA adaptive array.},
keywords={},
doi={},
ISSN={},
month={June},}

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TY - JOUR
TI - A Study of a Blind Multiple Beam Adaptive Array
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1270
EP - 1275
AU - Sanghoon SONG
AU - Yoonki CHOI
AU - Kiyoharu AIZAWA
AU - Mitsutoshi HATORI
PY - 1998
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E81-A
IS - 6
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - June 1998
AB - In land mobile communication, CMA (Constant Modulus Algorithm) has been studied to reduce multipath fading effect. By this method, the transmitted power is not used efficiently since all the multipath components have the same information. To make use of received power efficiently, we propose a Blind Multiple Beam Adaptive Array. It has the following three feature points. First, we use CMA which can reduce the multipath fading effect to some extent without training signal. Second, LMS algorithm which can capture the multipath components which are separated from the reference signal by some extent. Third, we use FDF (Fractional Delay Filter) and TED (Timing Error Detector) loop which can detect and compensate fractional delay. As a result of utilizing the multipath components which is suppressed by CMA, the proposed technique achieves better performance than CMA adaptive array.
ER -