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| 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 Link to ES Tech. Rep. Archives: MW2017-117 |
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| 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 Link to ES Tech. Rep. Archives: MW2017-117 |
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| 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 |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 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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