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| Presentation | 2022-08-19 13:25 A Study on Robust LoS-MIMO Transmission in HAPS Feeder Link Motoshi Tawada, Yoshichika Ohta, Atsushi Nagate (Softbank)  AP2022-68 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In line of sight multiple input multiple output (LoS-MIMO) transmission in a feeder link, which involves communication between a ground station and a high altitude platform station (HAPS), the design of antenna arrays that ensure stable and high channel capacity is a challenge because of the degradation of the channel capacity caused by changes in the distance and angle owing to the movement of HAPS. In this paper, we first evaluate the channel capacity characteristics of a basic uniform linear array (ULA) for LoS-MIMO transmission during movement. To compensate for the drawback of the ULA, we propose a uniform cross array (UXA) configuration with two crossed ULAs as the antenna array configuration and show that the LoS-MIMO transmission with the UXA configuration is robust against HAPS movement. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LoS-MIMO / MIMO / Backhaul / millimeter wave / antenna arrays / NTN / UAV / HAPS | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 153, AP2022-68, pp. 23-28, Aug. 2022. | |
| Paper # | AP2022-68 | |
| Date of Issue | 2022-08-12 (AP) | |
| 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 | AP2022-68 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2022-08-19 - 2022-08-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tochigi Prefecture Industrial Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2022-08-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Robust LoS-MIMO Transmission in HAPS Feeder Link |
| Sub Title (in English) | |
| Keyword(1) | LoS-MIMO |
| Keyword(2) | MIMO |
| Keyword(3) | Backhaul |
| Keyword(4) | millimeter wave |
| Keyword(5) | antenna arrays |
| Keyword(6) | NTN |
| Keyword(7) | UAV |
| Keyword(8) | HAPS |
| 1st Author's Name | Motoshi Tawada |
| 1st Author's Affiliation | Softbank Corp. (Softbank) |
| 2nd Author's Name | Yoshichika Ohta |
| 2nd Author's Affiliation | Softbank Corp. (Softbank) |
| 3rd Author's Name | Atsushi Nagate |
| 3rd Author's Affiliation | Softbank Corp. (Softbank) |
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| Speaker | Author-1 |
| Date Time | 2022-08-19 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2022-68 |
| Volume (vol) | vol.122 |
| Number (no) | no.153 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2022-08-12 (AP) |
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