NDLI: Cooperation diversity for clipped OFDM with iterative reception

Content Provider	IEEE Xplore Digital Library
Author	Ketseoglou, T.
Copyright Year	2008
Description	Author affiliation: ECE Dept., California State Polytech. Univ., Pomona, CA (Ketseoglou, T.)
Abstract	A realistic model for OFDM cooperation diversity is presented for Orthogonal Frequency Division Multiplexing (OFDM) systems with clipping type of nonlinearities present. The destination node processes together the received information from the source node and a single relay one (if any of the candidate relays succeeds in decoding the original OFDM packet sent). The relayed packets are the same with the direct ones (repetition coding), so that simpler receiver processing applies. The destination node applies an iterative receiver structure based on Turbo processing, in which both the channels and the clipping distortion are (iteratively) estimated. The relaying nodes receive the source-node emanating packets in a standard, non-iterative fashion, due to delay constraints. High gains are showed for the proposed system, due to the synergy between clipping distortion, channel estimation and multiple transmission paths, based on node cooperation diversity.
Starting Page	1025
Ending Page	1029
File Size	532823
Page Count	5
File Format	PDF
ISBN	9781424429400
ISSN	10586393
DOI	10.1109/ACSSC.2008.5074567
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Relays Iterative decoding Channel estimation Least squares approximation Delay Diversity methods Transceivers Sensor systems Transmitters
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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