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Paper Abstract and Keywords
Presentation 2017-11-09 12:55
A 28GHz High Accuracy 6-bit Vector-Sum Phase Shifter for High SHF Wide-band Massive MIMO in 5G
Wataru Yamamoto, Koji Tsutsumi, Takaya Maruyama, Takanobu Fujiwara, Mitsuhiro Shimozawa (Mitsubishi Electric Co.) MW2017-117
Abstract (in Japanese) (See Japanese page) 
(in English) In 5th generation mobile communication system (5G), the active phased array antenna (APAA) have attracted attention to realize the Massive MIMO by the beamforming. Since the accuracies of phase control is important for the beamforming, the phase shifter (PS) with high accuracy is required. This paper proposes the high accuracy vector-sum phase shifter. The vector-sum PS is configured by the poly phase filter (PPF) to generate the IQ signals and variable gain amplifier (VGA). The proposed PS reduces the phase error caused by the IQ signals phase mismatch in outputs of the PPF using the control method to suppress the input impedance of the VGA. Also this paper shows the measured results of the 28GHz 6-bit vector-sum PS applied the proposed method in 65nm CMOS technology.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Massive MIMO / APAA / Vector-Sum Phase Shifter / CMOS / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 291, MW2017-117, pp. 31-34, Nov. 2017.
Paper # MW2017-117 
Date of Issue 2017-11-02 (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 MW2017-117

Conference Information
Committee MW  
Conference Date 2017-11-09 - 2017-11-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima Marin Terminal Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2017-11-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A 28GHz High Accuracy 6-bit Vector-Sum Phase Shifter for High SHF Wide-band Massive MIMO in 5G 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Massive MIMO  
Keyword(3) APAA  
Keyword(4) Vector-Sum Phase Shifter  
Keyword(5) CMOS  
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1st Author's Name Wataru Yamamoto  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
2nd Author's Name Koji Tsutsumi  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
3rd Author's Name Takaya Maruyama  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
4th Author's Name Takanobu Fujiwara  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
5th Author's Name Mitsuhiro Shimozawa  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
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Speaker Author-1 
Date Time 2017-11-09 12:55:00 
Presentation Time 15 minutes 
Registration for MW 
Paper # MW2017-117 
Volume (vol) vol.117 
Number (no) no.291 
Page pp.31-34 
#Pages 4 
Date of Issue 2017-11-02 (MW) 

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