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| Presentation | 2019-06-20 10:10 Performance Evaluation of IDMA-based Random Access Considering User Detection and Channel Estimation Taiki Tomizawa (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)  RCS2019-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper evaluates the performance of the interleave division multiple access (IDMA)-based random access in order to support massive machine-type communications (mMTC) in the fifth generation mobile communication system, taking into account the actual user detection and channel estimation using preamble attached to the packet. To suppress the packet loss due to contention and achieve multi-packet reception, accurate user detection and channel estimation, which is used in the process of the successive interference canceller (SIC) in IDMA, are essential. Multiple preamble sequences, each of which has one-by-one relationship to the interleaver pattern prepared in the system, are generated by applying the cyclic time shift and orthogonal masking operations onto the Zadoff-Chu (ZC) sequences. Based on the threshold decision on the correlation between the received signal and each preamble sequence, the user detection and channel estimation are conducted. The computer simulation results show the impact of overhead of preamble, miss detection and false alarm in user detection, channel estimation error, and the case when multiple users select the same interleaver simultaneously on the achievable performance of IDMA-based random access. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | IDMA / random access / mMTC / Zadoff-Chu sequence / user detection / channel estimation / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 90, RCS2019-67, pp. 181-187, June 2019. | |
| Paper # | RCS2019-67 | |
| Date of Issue | 2019-06-12 (RCS) | |
| 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 | RCS2019-67 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2019-06-19 - 2019-06-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Miyakojima Hirara Port Terminal Building |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2019-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluation of IDMA-based Random Access Considering User Detection and Channel Estimation |
| Sub Title (in English) | |
| Keyword(1) | IDMA |
| Keyword(2) | random access |
| Keyword(3) | mMTC |
| Keyword(4) | Zadoff-Chu sequence |
| Keyword(5) | user detection |
| Keyword(6) | channel estimation |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taiki Tomizawa |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Yoshihisa Kishiyama |
| 2nd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 3rd Author's Name | Kenichi Higuchi |
| 3rd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2019-06-20 10:10:00 |
| Presentation Time | 10 minutes |
| Registration for | RCS |
| Paper # | RCS2019-67 |
| Volume (vol) | vol.119 |
| Number (no) | no.90 |
| Page | pp.181-187 |
| #Pages | 7 |
| Date of Issue | 2019-06-12 (RCS) |
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