IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Special Section on Wideband Systems
Subcarrier Mapping for Single-User SC-FDMA Relay Communications
Yu HEMMIKoichi ADACHITomoaki OHTSUKI
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2011 Volume E94.A Issue 12 Pages 2776-2779

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Abstract

A combination of single-carrier frequency-division mult-iple-access (SC-FDMA) and relay transmission is effective for performance improvement in uplink transmission. In SC-FDMA, a mapping strategy of user's spectrum has an enormous impact on system performance. In the relay communication, the optimum mapping strategy may differentiate from that in direct communication because of the independently distributed channels among nodes. In this letter, how each link should be considered in subcarrier mapping is studied and the impact of mapping strategies on the average bit error rate (BER) performance of single-user SC-FDMA relay communications will be given.

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© 2011 The Institute of Electronics, Information and Communication Engineers
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