NDLI: A Spectral efficient Relay-Based Transmit Diversity Technique for SC-FDE without Cyclic Prefix

Content Provider	IEEE Xplore Digital Library
Author	Ui-Kun Kwon Dae-Young Seol Gi-Hong Im Young-Doo Kim
Copyright Year	2008
Description	Author affiliation: Dept. of Electron. & Electr. Eng., Pohang Univ. of Sci. & Technol. (POSTECH), Pohang (Ui-Kun Kwon; Dae-Young Seol; Gi-Hong Im)
Abstract	This paper proposes a relay-based transmit diversity technique for single carrier frequency-domain equalization (SC-FDE). The proposed system achieves spatial diversity over fading channels in a distribution fashion without cyclic prefix (CP), which increases spectral efficiency of conventional relay- based systems. The destruction of channel cyclicity due to the lack of CP is recovered at the input of relay and destination. In order to obtain spatial diversity, the transmit sequence of relay is efficiently generated in time domain, realizing space-frequency block code (SFBC). Corresponding destination structure using FDE, timing synchronization, and highly accurate channel estimation for the proposed system are also presented. Simulation results show that the proposed system approaches the lower bound of full-CP system.
Starting Page	4326
Ending Page	4330
File Size	192536
Page Count	5
File Format	PDF
ISBN	9781424420759
DOI	10.1109/ICC.2008.812
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Peak to average power ratio Fading Block codes OFDM Timing Channel estimation Transmitters Transmitting antennas Computational complexity
Content Type	Text
Resource Type	Article

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