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| Presentation | 2007-03-07 10:00 Cong Frequency Spectrum Rotation in Interleaved FDM Osamu Takyu, Masao Nakagawa (Keio Univ.)  RCS2006-239 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Interleaved Frequency Division Multiple Access (IFDM) can achieve high diversity gain as well as can support multiple access users with using cong frequency orthogonal channels. In IFDM, as the number of repetitions is increased, the comb spectrum frequency component to the entire frequency width ratio becomes small so that frequency diversity gain is decreased. In addition, IFDM suffers from inter path interference in multipath fading channel. In the proposed cong frequency spectrum rotation (frequency rotation), each modulation symbol is assigned to the different comb frequency spectrum. As a result, the frame composed of some modulation symbols are spread over the wider frequency spectrum than that without frequency rotation. In addition, the interference path interference can be reduced because the time continuous symbols are orthogonal each other. From the computer simulation, the frequency rotation can achieve the better error rate performance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | IFDM / Frequency Rotation / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 555, RCS2006-239, pp. 13-16, March 2007. | |
| Paper # | RCS2006-239 | |
| Date of Issue | 2007-02-28 (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 | RCS2006-239 |
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| Conference Information | |
| Committee | RCS MoNA WBS SR MW |
| Conference Date | 2007-03-07 - 2007-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2007-03-RCS-MoMuC-WBS-SR-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Cong Frequency Spectrum Rotation in Interleaved FDM |
| Sub Title (in English) | |
| Keyword(1) | IFDM |
| Keyword(2) | Frequency Rotation |
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| 1st Author's Name | Osamu Takyu |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Masao Nakagawa |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-03-07 10:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2006-239 |
| Volume (vol) | vol.106 |
| Number (no) | no.555 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2007-02-28 (RCS) |
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