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| Presentation | 2007-12-20 16:10 Subcarrier Allocation for a 2-Hop OFDMA Virtual Cellular Network Hitoshi Ishida, Eisuke Kudoh, Fumiyuki Adachi (Tohoku Univ.)  RCS2007-119 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A multi-hop virtual cellular network (VCN) was proposed for future mobile communication systems. We have studied the multi-hop channel allocation for direct sequence code division multiple access (DS-CDMA) VCN. In DS-CDMA, although the same channel can be reused at different links in a VC by allocating the different spreading codes, a strong interference may be received from the adjacent wireless port. In this paper, we apply orthogonal frequency division multiple access (OFDMA) to VCN. In OFDMA, if the different subcarriers are allocated, interference from adjacent wireless port can be avoided. We study channel configuration methods for the downlink 2-hop OFDMA VCN. We evaluate, by numerical computation method, the Shannon’s channel capacity when the block, equidistance and adaptive channel configuration methods are used. We compare 2-hop VCN and 1-hop CN. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Virtual cellular network / 2-hop / Subcarrier allocation / Channel configuration method / Channel capacity / OFDMA / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 402, RCS2007-119, pp. 43-48, Dec. 2007. | |
| Paper # | RCS2007-119 | |
| Date of Issue | 2007-12-13 (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 | RCS2007-119 |
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| Conference Information | |
| Committee | RCS SAT |
| Conference Date | 2007-12-20 - 2007-12-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2007-12-RCS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Subcarrier Allocation for a 2-Hop OFDMA Virtual Cellular Network |
| Sub Title (in English) | |
| Keyword(1) | Virtual cellular network |
| Keyword(2) | 2-hop |
| Keyword(3) | Subcarrier allocation |
| Keyword(4) | Channel configuration method |
| Keyword(5) | Channel capacity |
| Keyword(6) | OFDMA |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hitoshi Ishida |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Eisuke Kudoh |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Fumiyuki Adachi |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-12-20 16:10:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2007-119 |
| Volume (vol) | vol.107 |
| Number (no) | no.402 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2007-12-13 (RCS) |
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