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Paper Abstract and Keywords
Presentation 2023-05-26 09:50
LEO-MIMO Antenna Configuration of Satellite/Gateway for High Channel Capacity
Daisuke Goto, Koyo Tategami, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2023-6 MICT2023-6
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose low earth orbit satellite (LEO) communications using Muti-input / Multi-output (MIMO), called LEO satellites MIMO (LEO-MIMO) systems. Various studies have been considered on the LEO system because of its low attenuation and low delay characteristics compared with geostationary satellites (GEO). We have investigated LEO-MIMO feeder link transmission between a satellite and gateway antennas to improve transmission capacity of LEO satellite systems. In this paper, we consider required conditions of a satellite- gateway antennas configuration to improve feeder link capacity. Our LEO-MIMO is performed with a single LEO satellite equipped with multiple antennas elements and a gateway with remotely-located multiple antennas. In particular, the conditions of the antenna configuration, such as distances of satellite/gateway antenna elements and the number of antennas elements in the satellite and the gateway, greatly affect the transmission capacity of LEO-MIMO. We evaluate antenna configurations using computer simulations to improve transmission capacity for LEO-MIMO systems compared to conventional SISO satellite transmission with single antenna for a satellite and a gateway.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / LEO / Number of antenna elements / Number of GW antennas / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 49, SAT2023-6, pp. 26-31, May 2023.
Paper # SAT2023-6 
Date of Issue 2023-05-18 (SAT, MICT) 
ISSN 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 SAT2023-6 MICT2023-6

Conference Information
Committee MICT WBS RCC SAT  
Conference Date 2023-05-25 - 2023-05-26 
Place (in Japanese) (See Japanese page) 
Place (in English) TOKYO BIG SIGHT 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Joint Meeting of RCC, WBS, SAT, and MICT 
Paper Information
Registration To SAT 
Conference Code 2023-05-MICT-WBS-RCC-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) LEO-MIMO Antenna Configuration of Satellite/Gateway for High Channel Capacity 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) LEO  
Keyword(3) Number of antenna elements  
Keyword(4) Number of GW antennas  
Keyword(5)  
Keyword(6)  
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1st Author's Name Daisuke Goto  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Koyo Tategami  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Kiyohiko Itokawa  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Fumihiro Yamashita  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2023-05-26 09:50:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2023-6, MICT2023-6 
Volume (vol) vol.123 
Number (no) no.49(SAT), no.50(MICT) 
Page pp.26-31 
#Pages 6 
Date of Issue 2023-05-18 (SAT, MICT) 

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