NDLI: Design and Analysis of Low-Complexity Multi-Antenna Relaying for OFDM-Based Relay Networks

Content Provider	IEEE Xplore Digital Library
Author	Jin Soo Wang Dongryul Shin Seong Ro Lee Iickho Song Yun Hee Kim
Copyright Year	1972
Abstract	A class of low-complexity multi-antenna relaying schemes is proposed for orthogonal frequency division multiplexing based one-way and two-way relay networks. In the proposed schemes, two single-antenna terminal nodes complete the data transfer in two time phases via a multi-antenna amplify-and-forward relay without channel state information, discrete Fourier transform (DFT), and inverse DFT. The relay signal processing consists of receive combining, power scaling, and transmit diversity, where instantaneous time domain power scaling is proposed for power scaling and power-based selection combining and cyclic delay combining are proposed for receive combining, to leverage the performance only with time domain operations. An approximation to the outage probability is also derived to predict the coded performance behavior under practical channel models. It is shown by evaluating the outage probability and coded bit error rate that the proposed schemes outperform the conventional schemes of comparable complexity.
Starting Page	2236
Ending Page	2248
Page Count	13
File Size	1326702
File Format	PDF
ISSN	00906778
Volume Number	62
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Diversity reception Fading Discrete Fourier transforms OFDM Protocols Antennas low complexity One-way relay two-way relay orthogonal frequency division multiplexing instantaneous time domain power scaling receive combining
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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