NDLI: An adaptive compress-and-forward scheme for the orthogonal multiple-access relay channel

Content Provider	IEEE Xplore Digital Library
Author	Zeitler, G. Koetter, R. Bauch, G. Widmer, J.
Copyright Year	2009
Description	Author affiliation: DoCoMo Euro-Labs, Universität der Bundeswehr München, Werner-Heisenberg-Weg 39 D-85577 Neubiberg, Germany (Bauch, G.) \|\| Institute for Communications Engineering Technische Universität München, D-80290 München, Germany (Zeitler, G.; Koetter, R.) \|\| DoCoMo Communications Laboratories Europe GmbH, Landsbergerstrasse 312 D-80687 München, Germany (Widmer, J.)
Abstract	We consider a wireless relay network where two sources transmit independent information on mutually orthogonal channels to a common destination with the help of one relay. Based on the expression for the achievable rate in such a network for compress-and-forward relaying without Wyner-Ziv coding, we design mutual-information preserving quantizers for compression at the relay. In the proposed relaying scheme, both the relay and the destination share a fixed set of quantizers, among which the relay selects a suitable one depending on the channel quality on the source-relay links for compression of its received values. Simulations performed in Rayleigh block fading channels reveal that full diversity order of two can be achieved using that scheme. We also comment on the size of the quantizer set and the associated signaling overhead.
Starting Page	1838
Ending Page	1842
File Size	278756
Page Count	5
File Format	PDF
ISBN	9781424451227
e-ISBN	9781424451234
DOI	10.1109/PIMRC.2009.5449851
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-13
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Decoding Fading Delay Network coding AWGN Quantization Laboratories Europe Wireless communication
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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