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IEICE TRANSACTIONS on Communications

Undesired Radiation Suppression Technique for Distributed Array Antenna by Antenna Positioning and Delay Signal Processing

Kouhei SUZUKI, Hideya SO, Daisuke GOTO, Yoshinori SUZUKI, Fumihiro YAMASHITA, Katsuya NAKAHIRA, Kiyoshi KOBAYASHI, Takatoshi SUGIYAMA

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Summary :

This paper introduces distributed array antenna (DAA) systems that offer high antenna gain. A DAA consists of several small antennas with improved antenna gain. This paper proposes a technique that suppresses the off-axis undesired radiation and compensates the time delay by combining signal processing with optimization of array element positioning. It suppresses the undesired radiation by compensating the delay timing with high accuracy and deliberately generating the inter-symbol interference (ISI) in side-lobe directions. Computer simulations show its effective suppression of the equivalent isotropic radiated power (EIRP) pattern and its excellent BER performance.

Publication
IEICE TRANSACTIONS on Communications Vol.E100-B No.10 pp.1959-1967
Publication Date
2017/10/01
Publicized
2017/03/01
Online ISSN
1745-1345
DOI
10.1587/transcom.2016EBP3374
Type of Manuscript
PAPER
Category
Satellite Communications

Authors

Kouhei SUZUKI
  NTT Network Innovation Laboratories, NTT Corporation
Hideya SO
  NTT Network Innovation Laboratories, NTT Corporation
Daisuke GOTO
  NTT Access Network Service Systems Laboratories, NTT Corporation
Yoshinori SUZUKI
  NTT Access Network Service Systems Laboratories, NTT Corporation
Fumihiro YAMASHITA
  NTT Access Network Service Systems Laboratories, NTT Corporation
Katsuya NAKAHIRA
  NTT Network Innovation Laboratories, NTT Corporation
Kiyoshi KOBAYASHI
  NTT Access Network Service Systems Laboratories, NTT Corporation
Takatoshi SUGIYAMA
  NTT Network Innovation Laboratories, NTT Corporation

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