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Open Access Open Badges Editorial

Advances in single carrier block modulation with frequency domain processing

Yeheskel Bar-Ness1*, Fumiyuki Adachi2, Naofal Al Dhahir3, David D Falconer4 and Hikmet Sari5

Author Affiliations

1 Department of Electrical and Computer Engineering, New Jersey Institute of Technology, New Jersey, USA

2 Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University, 6-6-05, Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

3 Electrical Engineering Department, Erik Jonsson School of Engineering and Computer Science, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, TX 75083-0688, USA

4 Department of Systems and Computer Engineering, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6 Canada

5 SUPÉLEC, Département de Télécommunications, Plateau de Moulon, 3 rue Joliot-Curie, 91192 GIF SUR YVETTE CEDEX, France

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EURASIP Journal on Advances in Signal Processing 2012, 2012:85  doi:10.1186/1687-6180-2012-85

Published: 18 April 2012

First paragraph (this article has no abstract)

This special issue focuses on single carrier block modulation (SC-BM) with frequency domain processing. This class of modulation and multiple access schemes complements the orthogonal frequency division multiple access (OFDMA) and its variations. For example, LTE (the long term evolution of the 3GPP standard), and LTE-Advanced, employ OFDMA in the downlink (base stations to mobiles) and SC-FDMA, a version of SC-BM in the uplink (mobiles to base stations). The main reason for adapting the technology of SC-FDMA for uplink LTE is the fact that OFDMA has high "peak-to-average power ratio" (PAPR), which is a disadvantage for mobile devices that are limited by power availability. Besides its advantage of low PAPR, SC-BM technology has a similar performance/complexity to that of OFDMA, and simple frequency domain equalization methods for combating dispersive channels.