| Paper Abstract and Keywords |
| Presentation |
2006-03-02 11:40
A Study on Peak Power Reduction in Sub-Carrier Selecting (SCS) MC-CDMA Systems
Koichi Sueda, Atsushi Nagate, Hiroyoshi Masui, Teruya Fujii (BB Mobile) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The study of the Subcarrier Selecting(SCS)MC-CDMA systems spreading in time domain is performed as a candidate of the 4th generation mobile communications system. Since the peak power of a transmitted signal generally obtains a high value in multi-carrier transmission and the efficiency of a power amplifier falls, the reduction method is indispensable. For example, the Block Scaling method reducing the peak power per symbol has already been proposed. In the meantime, we propose the Chip Scaling method reducing the peak power per chip by paying attention to the time-axis spreading. However, even in the method the signal power falls compared to the original signal and the error rate characteristic changes for the worse. In this paper, we propose a technique raising the BER characteristic by re-distributing the reduced power to other chips with low peak power. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Mobile Communication Systems / MC-CDMA / Peak Power / / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 105, no. 623, RCS2005-206, pp. 169-173, March 2006. |
| Paper # |
RCS2005-206 |
| Date of Issue |
2006-02-22 (RCS) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
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| Conference Information |
| Committee |
RCS AP WBS SR MW MoNA |
| Conference Date |
2006-03-01 - 2006-03-03 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
YRP |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
RCS |
| Conference Code |
2006-03-RCS-AP-WBS-SR-MW-MoMuC |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A Study on Peak Power Reduction in Sub-Carrier Selecting (SCS) MC-CDMA Systems |
| Sub Title (in English) |
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| Keyword(1) |
Mobile Communication Systems |
| Keyword(2) |
MC-CDMA |
| Keyword(3) |
Peak Power |
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| 1st Author's Name |
Koichi Sueda |
| 1st Author's Affiliation |
BB Mobile (BB Mobile) |
| 2nd Author's Name |
Atsushi Nagate |
| 2nd Author's Affiliation |
BB Mobile (BB Mobile) |
| 3rd Author's Name |
Hiroyoshi Masui |
| 3rd Author's Affiliation |
BB Mobile (BB Mobile) |
| 4th Author's Name |
Teruya Fujii |
| 4th Author's Affiliation |
BB Mobile (BB Mobile) |
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| Speaker |
Author-1 |
| Date Time |
2006-03-02 11:40:00 |
| Presentation Time |
20 minutes |
| Registration for |
RCS |
| Paper # |
RCS2005-206 |
| Volume (vol) |
vol.105 |
| Number (no) |
no.623 |
| Page |
pp.169-173 |
| #Pages |
5 |
| Date of Issue |
2006-02-22 (RCS) |
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