Paper Abstract and Keywords |
Presentation |
2010-07-15 10:50
A Study on Subcarrier Mapping for SC-FDMA System in Relay Communications Yu Hemmi, Koichi Adachi, Tomoaki Ohtsuki (Keio Univ.) RCS2010-52 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Single-carrier frequency-division multiple-access (SC-FDMA) has been attracting attention as an access scheme for uplink transmission in the next generation mobile communication. In SC-FDMA, the frequency diversity gain can be obtained and user multiplexing is accomplished by mapping the frequency components of the signal into wider frequency band while keeping orthogonality among users. The relay communication has also been gaining attention for reducing the power consumption necessary to achieve desired error rate, enlarging the coverage areas, and so on. In the relay transmission, the mobile station (MS) transmits its signal to the base station (BS) and also to the relay station (RS). At RS, the signal transmitted from MS is processed according to relay scheme and then is transmitted to BS. As a result, the signal is received at BS from not only MS but also RS, and it can obtain the space diversity gain. In SC-FDMA, mapping strategy of the users’ spectrum has an enormous impact on system performance. So far, subcarrier mapping strategies for SC-FDMA have been conducted for the direct (MS-BS) communication. However, in the relay communication, the appropriate way of mapping may be different from that in direct one because of the independent fading of each channel. In this paper, we study how each link should be considered for mapping strategy and show the impact of mapping strategies on the performance of SC-FDMA. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Relay Communication / SC-FDMA / Subcarrier Mapping / Space Diversity / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 110, no. 127, RCS2010-52, pp. 25-30, July 2010. |
Paper # |
RCS2010-52 |
Date of Issue |
2010-07-08 (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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RCS2010-52 |
Conference Information |
Committee |
RCS NS |
Conference Date |
2010-07-15 - 2010-07-16 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Abashiri Public Auditorium |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Fixed/Wireless Network, Hand Over, Distributed MIMO, Mobile Ad-hoc Network |
Paper Information |
Registration To |
RCS |
Conference Code |
2010-07-RCS-NS |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A Study on Subcarrier Mapping for SC-FDMA System in Relay Communications |
Sub Title (in English) |
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Keyword(1) |
Relay Communication |
Keyword(2) |
SC-FDMA |
Keyword(3) |
Subcarrier Mapping |
Keyword(4) |
Space Diversity |
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1st Author's Name |
Yu Hemmi |
1st Author's Affiliation |
Keio University (Keio Univ.) |
2nd Author's Name |
Koichi Adachi |
2nd Author's Affiliation |
Keio University (Keio Univ.) |
3rd Author's Name |
Tomoaki Ohtsuki |
3rd Author's Affiliation |
Keio University (Keio Univ.) |
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Speaker |
Author-1 |
Date Time |
2010-07-15 10:50:00 |
Presentation Time |
20 minutes |
Registration for |
RCS |
Paper # |
RCS2010-52 |
Volume (vol) |
vol.110 |
Number (no) |
no.127 |
Page |
pp.25-30 |
#Pages |
6 |
Date of Issue |
2010-07-08 (RCS) |
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