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| Presentation | 2005-03-02 09:00 Investigation of 16QAM Mapping Employing Likelihood Detection Utilizing Decision of Partial Bits in MIMO Systems Yutaka Murakami, Kiyotaka Kobayashi, Takashi Fukagawa, Kazuaki Takahashi (Matsushita) Link to ES Tech. Rep. Archives:  MW2004-234 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The rapidly increasing number of users and services in mobile communications requires efficient usage of the available frequency band. MIMO (Multi-Input Multi-Output) systems are one possible candidate to meet these demands. This paper focuses on likelihood detection utilizing decision of partial bits in consideration of computational scale and data quality in the receivers (LD-DPB). In the LD-DPB scheme, first likelihood partial bits is decided using inverse channel detection and next the other bits which is not decided using inverse channel detection is decided using likelihood detection. We examine signal points of 16QAM assigned with good received data quality when a simple decision scheme of partial bits is used. According to results, we show that 16QAM scheme with the largest minimum Euclidian distance does not obtain the best received data quality employing the investigated LD-DPB scheme. In addition, it can be confirmed that peak-to-average power ratio (PAPR) of 16QAM scheme with the best received data quality is smaller than that of 16QAM scheme with the largest minimum Euclidian distance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO systems / 16QAM / LD-DPB / PAPR / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 104, no. 678, RCS2004-324, pp. 1-6, March 2005. | |
| Paper # | RCS2004-324 | |
| Date of Issue | 2005-02-23 (WBS, AP, RCS, MoMuC, MW) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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 | Link to ES Tech. Rep. Archives: MW2004-234 |
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| Conference Information | |
| Committee | RCS AP WBS MW MoNA |
| Conference Date | 2005-03-02 - 2005-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yokosuka Research Park |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communications Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2005-03-RCS-AP-WBS-MW-MoMuC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of 16QAM Mapping Employing Likelihood Detection Utilizing Decision of Partial Bits in MIMO Systems |
| Sub Title (in English) | |
| Keyword(1) | MIMO systems |
| Keyword(2) | 16QAM |
| Keyword(3) | LD-DPB |
| Keyword(4) | PAPR |
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| Keyword(8) | |
| 1st Author's Name | Yutaka Murakami |
| 1st Author's Affiliation | Matsushita Electric Industrial Co., Ltd. (Matsushita) |
| 2nd Author's Name | Kiyotaka Kobayashi |
| 2nd Author's Affiliation | Matsushita Electric Industrial Co., Ltd. (Matsushita) |
| 3rd Author's Name | Takashi Fukagawa |
| 3rd Author's Affiliation | Matsushita Electric Industrial Co., Ltd. (Matsushita) |
| 4th Author's Name | Kazuaki Takahashi |
| 4th Author's Affiliation | Matsushita Electric Industrial Co., Ltd. (Matsushita) |
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| Speaker | Author-1 |
| Date Time | 2005-03-02 09:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | WBS2004-56, AP2004-237, RCS2004-324, MoMuC2004-107, MW2004-234 |
| Volume (vol) | vol.104 |
| Number (no) | no.672(WBS), no.675(AP), no.678(RCS), no.681(MoMuC), no.684(MW) |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2005-02-23 (WBS, AP, RCS, MoMuC, MW) |
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