Paper Abstract and Keywords |
Presentation |
2010-01-22 15:30
Iterative Interference Cancellation for Multi-code PR/MC-CDMA Koichi Adachi, Masao Nakagawa (Keio Univ.) SIP2009-114 RCS2009-248 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
The transmission performance, e.g., bit error rate (BER) performance, of uplink transmission is severely degraded owing to the multi-anccess interfeernce (MAI). Recently, we proposed a multi-carrier-code division multiplexing (MC-CDMA) with phase rotation in a frequency domain and symbol mapping onto equi-distantly spaced sub-carriers, called FD-PR/MC-CDMA. In FD-PR/MC-CDMA, the multiple users can be multiplexed without causing MAI as long as the number of multiplexed users is smaller than the spreading factor devided by the maximum channel length. However, the number of users to be accomodated is limited by the lenth of the channel impulse response and the spreading factor. To increase the number of users or the data rate per user, the code multiplexing is effective, but this results in the performance degradation. In this paper, an iterative interference cancellation is applied to FD-PR/MC-CDMA and the impacts of the spreading factor and the length of the channel impulse response are evaluated by computer simulation. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
MC-CDMA / Frequency domain phase rotation / Uplink transmission / Iterative interference cancellation / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 109, no. 369, RCS2009-248, pp. 241-246, Jan. 2010. |
Paper # |
RCS2009-248 |
Date of Issue |
2010-01-14 (SIP, 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) |
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SIP2009-114 RCS2009-248 |
Conference Information |
Committee |
RCS SIP |
Conference Date |
2010-01-21 - 2010-01-22 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kyushu Univ. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Signal Processing, Circuit for Wireless Systems, Broadband Wireless Access Techniques, etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2010-01-RCS-SIP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Iterative Interference Cancellation for Multi-code PR/MC-CDMA |
Sub Title (in English) |
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Keyword(1) |
MC-CDMA |
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Frequency domain phase rotation |
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Uplink transmission |
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Iterative interference cancellation |
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1st Author's Name |
Koichi Adachi |
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 |
2010-01-22 15:30:00 |
Presentation Time |
20 minutes |
Registration for |
RCS |
Paper # |
SIP2009-114, RCS2009-248 |
Volume (vol) |
vol.109 |
Number (no) |
no.368(SIP), no.369(RCS) |
Page |
pp.241-246 |
#Pages |
6 |
Date of Issue |
2010-01-14 (SIP, RCS) |
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