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| Presentation | 2007-10-04 10:55 Sub-channel Allocation Scheme Updating Priority According to the Number of Allocated Sub-channels in Downlink OFDMA Masahiro Fujikawa, Iwao Sasase (Keio Univ.)  CS2007-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a sub-channel allocation scheme updating priority according to the number of allocated sub-channels in downlink OFDMA(Orthogonal Frequency Division Multiple Access). The proposed scheme can improve NRT(Non Real Time) user's throughput while containing RT(Real Time) traffic users’ allowable delay under RT / NRT traffic environment. The proposed scheme calculates the minimum number of sub-channels which should be allocated to a user at a time slot by considering the lowest AMC(Adaptive Modulation and Coding) level. If a RT user has sufficient number of sub-channels, the proposed scheme decreases the RT user’s priority by using BLER(BLock Error Rate). The proposed scheme can allocate more sub-channels to NRT users who have good channel condition . The simulation results show that the proposed scheme can improve the NRT user's throughput and satisfy RT traffic users’allowable delay. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Downlink OFDMA / Sub-channel Allocation / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 244, CS2007-25, pp. 19-24, Oct. 2007. | |
| Paper # | CS2007-25 | |
| Date of Issue | 2007-09-27 (CS) | |
| 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 | CS2007-25 |
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| Conference Information | |
| Committee | CS |
| Conference Date | 2007-10-04 - 2007-10-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokachigawa, Hokkaido |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Broadband access network, home networks, etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2007-10-CS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sub-channel Allocation Scheme Updating Priority According to the Number of Allocated Sub-channels in Downlink OFDMA |
| Sub Title (in English) | |
| Keyword(1) | Downlink OFDMA |
| Keyword(2) | Sub-channel Allocation |
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| 1st Author's Name | Masahiro Fujikawa |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Iwao Sasase |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-10-04 10:55:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CS2007-25 |
| Volume (vol) | vol.107 |
| Number (no) | no.244 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2007-09-27 (CS) |
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