Presentation 2006-03-01
Frequency-domain Adaptive Antenna Array for Single-carrier Transmission
Ryoko KAWAUCHI, Kazuaki TAKEDA, Fumiyuki ADACHI,
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Abstract(in English) For a high-speed uplink (mobile-to-base) transmission, the transmission performance is deteriorated by co-channel interference from other users as well as the inter-symbol interference caused by the severe frequency-selectivity of the channel. Adaptive antenna array (AAA) is an effective technique to suppress the interference. Frequency-domain equalization (FDE) is a well-known technique to overcome the adverse effect of the frequency-selective fading. In this paper, we propose the frequency-domain AAA for single-carrier transmission with FDE. Since the frequency-domain AAA tries to form a beam pattern based on the minimization of the interference power, the same array weight is used for all frequency components. Then, FDE is performed on the array output In the paper, the convergence rate of the array weights and the BER performance are evaluated by the computer simulation.
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Keyword(in English) Frequency-domain equalization / Adaptive Antenna Array / Normalized Least Mean Square (NLMS) Algorithm
Paper # RCS2005-186
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Committee RCS
Conference Date 2006/2/22(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Frequency-domain Adaptive Antenna Array for Single-carrier Transmission
Sub Title (in English)
Keyword(1) Frequency-domain equalization
Keyword(2) Adaptive Antenna Array
Keyword(3) Normalized Least Mean Square (NLMS) Algorithm
1st Author's Name Ryoko KAWAUCHI
1st Author's Affiliation Dept. of Electorical Communication Engineering, Graduate School of Engineering, Tohoku University()
2nd Author's Name Kazuaki TAKEDA
2nd Author's Affiliation Dept. of Electorical Communication Engineering, Graduate School of Engineering, Tohoku University
3rd Author's Name Fumiyuki ADACHI
3rd Author's Affiliation Dept. of Electorical Communication Engineering, Graduate School of Engineering, Tohoku University
Date 2006-03-01
Paper # RCS2005-186
Volume (vol) vol.105
Number (no) 623
Page pp.pp.-
#Pages 6
Date of Issue