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| Presentation | 2007-08-24 16:00 Carrier Frequency Offset Compensation Combined with Parallel Interference Cancellation in Uplink MIMO-OFDMA Masaki Ogata, Takahiko Saba (Chiba Inst. of Tech.)  RCS2007-73 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the uplink of multiple input multiple output orthogonal frequency division multiple access (MIMO-OFDMA) systems, the amounts of carrier frequency offsets (CFOs) are different in each user because every user uses their own local oscillators. CFO spoils the orthogonality among subcarriers and causes notable degradation in demodulation performance. Thus, CFO must be compensated for in MIMO-OFDMA systems. However, since the amounts of CFOs are different in each user, CFO compensation schemes for single user, such as OFDM systems, cannot be used directly. In this paper, we propose a CFO compensation scheme which uses the principle of parallel interference cancellation (PIC). To compensate for CFO individually, the superposed received signals must be separated into each user's component before CFO compensation. The proposed receiver can achieve this by using the principle of PIC. Simulation results can show the proposed system effectively compensates for CFO, especially in a high bit energy to noise power spectral density ratio (Eb/N0) region. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO-OFDMA / Carrier Frequency Offset / Parallel Interference Cancellation / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 192, RCS2007-73, pp. 117-122, Aug. 2007. | |
| Paper # | RCS2007-73 | |
| Date of Issue | 2007-08-16 (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 | RCS2007-73 |
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| Conference Information | |
| Committee | RCS AN |
| Conference Date | 2007-08-23 - 2007-08-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Niigata University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2007-08-RCS-AN |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Carrier Frequency Offset Compensation Combined with Parallel Interference Cancellation in Uplink MIMO-OFDMA |
| Sub Title (in English) | |
| Keyword(1) | MIMO-OFDMA |
| Keyword(2) | Carrier Frequency Offset |
| Keyword(3) | Parallel Interference Cancellation |
| Keyword(4) | |
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| Keyword(8) | |
| 1st Author's Name | Masaki Ogata |
| 1st Author's Affiliation | Chiba Institute of Technology (Chiba Inst. of Tech.) |
| 2nd Author's Name | Takahiko Saba |
| 2nd Author's Affiliation | Chiba Institute of Technology (Chiba Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2007-08-24 16:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2007-73 |
| Volume (vol) | vol.107 |
| Number (no) | no.192 |
| Page | pp.117-122 |
| #Pages | 6 |
| Date of Issue | 2007-08-16 (RCS) |
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