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Paper Abstract and Keywords
Presentation 2010-11-25 16:10
A Design of Millimeter-wave Beam-forming Antenna
Yosuke Sato, Kazuya Fujita, Hirokazu Sawada, Hiroyuki Nakase, Shuzo Kato (Tohoku Univ.) MW2010-112
Abstract (in Japanese) (See Japanese page) 
(in English) In order to realize multi-Gbps wireless communications in 60 GHz, the automatic beam control is the key to practical applications. This paper has analyzed gain variation which is the disadvantage of beam forming antennas with discrete phase shifters of 4- and 8- element beam forming antennas. The heuristic computer simulations have shown the gain variation is less than 1 dB for both 4- and 8- element antennas with 90 degree step or smaller phase shifters. The simulations also have shown the gain variations depend on discrete phase step rather than number of antenna elements. Further, four-element slot type antennas have been fabricated for performance validation. The measured results show a 10 dBi antenna gain with a less than 1 dB gain variation and 66 degree antenna steering coverage. Thus, this paper has proved the beam forming antenna with discrete (90 degree step) phase shifters is practically applicable for portable terminals in Super Broad Band Wireless Communications Systems and so on.
Keyword (in Japanese) (See Japanese page) 
(in English) Millimeter wave antenna arrays / Phased arrays / Slot antennas / Millimeter wave phase shifters / Millimeter wave communication / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 307, MW2010-112, pp. 39-44, Nov. 2010.
Paper # MW2010-112 
Date of Issue 2010-11-18 (MW) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MW2010-112

Conference Information
Committee MW  
Conference Date 2010-11-25 - 2010-11-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Tiruru 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2010-11-MW 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Design of Millimeter-wave Beam-forming Antenna 
Sub Title (in English)  
Keyword(1) Millimeter wave antenna arrays  
Keyword(2) Phased arrays  
Keyword(3) Slot antennas  
Keyword(4) Millimeter wave phase shifters  
Keyword(5) Millimeter wave communication  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yosuke Sato  
1st Author's Affiliation Research Institute of Electrical Communication, Tohoku University (Tohoku Univ.)
2nd Author's Name Kazuya Fujita  
2nd Author's Affiliation Research Institute of Electrical Communication, Tohoku University (Tohoku Univ.)
3rd Author's Name Hirokazu Sawada  
3rd Author's Affiliation Research Institute of Electrical Communication, Tohoku University (Tohoku Univ.)
4th Author's Name Hiroyuki Nakase  
4th Author's Affiliation Research Institute of Electrical Communication, Tohoku University (Tohoku Univ.)
5th Author's Name Shuzo Kato  
5th Author's Affiliation Research Institute of Electrical Communication, Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2010-11-25 16:10:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2010-112 
Volume (vol) vol.110 
Number (no) no.307 
Page pp.39-44 
#Pages 6 
Date of Issue 2010-11-18 (MW) 

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