NDLI: Distributed Interleave-Division Multiplexing Space-Time Codes for coded relay networks

Content Provider	IEEE Xplore Digital Library
Author	Weitkemper, P. Wubben, D. Kammeyer, K.-D.
Copyright Year	2009
Description	Author affiliation: Department of Communications Engineering, University of Bremen, Otto-Hahn-Allee 1, 28359 Bremen, Germany (Weitkemper, P.; Wubben, D.; Kammeyer, K.-D.)
Abstract	In this paper the application of the recently proposed Interleave-Division Multiplexing Space-Time Codes (IDM-STC) in coded relay networks is investigated. IDM-STC are a very flexible scheme to exploit space diversity with the benefits of IDM such as robustness against asynchronism and efficient iterative detection. While IDM-STC have been investigated for MIMO systems, relay networks induce additional constraints like imperfect decoding at the relay and limited cooperation. Consequently, not only the choice of the diversity scheme, but also the applied relay functionality significantly influences the overall performance. In this paper different relay schemes in combination with IDM-STC are considered for coded relay networks. Amplify-Forward (AF) does not assume any signal processing at the relays and just forwards the received signal. Decode-Forward (DF) fully decodes the received signal which can lead to error propagation. Another relaying scheme called Estimate-Forward (EF), which combines the advantages of AF and DF, was recently extended to coded systems and is called Decode-Estimate-Forward (DEF). A coded IDM-STC relay system with different relay schemes is investigated to show the good performance of IDM-STC combined with DEF in realistic scenarios with small overhead and robustness against asynchronism.
Starting Page	488
Ending Page	492
File Size	149483
Page Count	5
File Format	PDF
ISBN	9781424435845
DOI	10.1109/ISWCS.2009.5285280
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-07
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Protocols Space time codes Signal processing Power system relaying MIMO Robustness Decoding Electronic mail Relays
Content Type	Text
Resource Type	Article

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