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| Presentation | 2006-06-23 15:40 Field experiments of 1-Gbps packet transmission using MIMO multiplexing Hidekazu Taoka, Ki Dai, Kenichi Higuchi (NTT DoCoMo), Mamoru Sawahashi (Musashi Institute of Tech.)  RCS2006-57 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents field experimental results on real-time 1-Gbps packet transmission with 4-by-4 MIMO multiplexing using Maximum Likelihood Detection employing QR decomposition and the M-algorithm (QRM-MLD) with adaptive selection of the surviving symbol replica candidates (ASESS) in the downlink Orthogonal Frequency Division Multiplexing (OFDM) radio access. The field experiments, which are conducted at the average moving speed of 30 km/h, elucidate that the real-time packet transmission of greater than 1 Gbps in a 100-MHz channel bandwidth (i.e., 10 bits/second/Hz) is achieved at the average received signal-to-interference plus background noise power ratio (SINR) of approximately 13.5 dB using 16QAM modulation and Turbo coding with the coding rate of 8/9. We also show that the measured throughput of greater than 1 Gbps is achieved at the probability of approximately 95% in a measurement course, where the maximum distance from the cell site was approximately 300 m with the respective transmitter and receiver antenna spacing of 1.5 m and 10 cm with the total transmission power of 10 W. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | downlink / OFDM / MIMO multiplexing / maximum likelihood detection / QR decomposition / adaptive selection of surviving symbol replica candidates / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 119, RCS2006-57, pp. 131-136, June 2006. | |
| Paper # | RCS2006-57 | |
| Date of Issue | 2006-06-15 (RCS) | |
| 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 | RCS2006-57 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2006-06-22 - 2006-06-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Inst. Tech. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2006-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Field experiments of 1-Gbps packet transmission using MIMO multiplexing |
| Sub Title (in English) | |
| Keyword(1) | downlink |
| Keyword(2) | OFDM |
| Keyword(3) | MIMO multiplexing |
| Keyword(4) | maximum likelihood detection |
| Keyword(5) | QR decomposition |
| Keyword(6) | adaptive selection of surviving symbol replica candidates |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hidekazu Taoka |
| 1st Author's Affiliation | NTT DoCoMo, Inc. (NTT DoCoMo) |
| 2nd Author's Name | Ki Dai |
| 2nd Author's Affiliation | NTT DoCoMo, Inc. (NTT DoCoMo) |
| 3rd Author's Name | Kenichi Higuchi |
| 3rd Author's Affiliation | NTT DoCoMo, Inc. (NTT DoCoMo) |
| 4th Author's Name | Mamoru Sawahashi |
| 4th Author's Affiliation | Musashi Institute of Technology (Musashi Institute of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2006-06-23 15:40:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2006-57 |
| Volume (vol) | vol.106 |
| Number (no) | no.119 |
| Page | pp.131-136 |
| #Pages | 6 |
| Date of Issue | 2006-06-15 (RCS) |
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