NDLI: A Cooperative Modulation Scheme for Wireless Relay Networks

Content Provider	IEEE Xplore Digital Library
Author	Jun Yang Ghosh, M.
Copyright Year	2007
Description	Author affiliation: Philips Res. North America, Briarcliff Manor, NY (Jun Yang; Ghosh, M.)
Abstract	To exploit the cooperative diversity for wireless relay networks, signal space diversity can be combined with practical cooperative communication schemes. In this paper, we investigate cooperative modulation schemes at the symbol level based on fully decoding received signals at the bit level. We propose a novel decode-remodulate-and-forward (D-ReM-F) cooperative modulation scheme that works well with higher signal constellations when relay is close to source. Capacity analysis based on discrete QAM signal inputs for Rayleigh fading channels has been performed for this scheme as well as for amplify-and-forward (AF) scheme and repetition-based decode-and-forward (DMF) scheme. Simulation results have been shown to support the good performance of such cooperative transmission schemes both in slow fading and fast fading cases.
Starting Page	1628
Ending Page	1632
File Size	157658
Page Count	5
File Format	PDF
ISBN	1424402662
ISSN	15502252
DOI	10.1109/VETECS.2007.339
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-22
Publisher Place	Ireland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quadrature amplitude modulation Maximum likelihood decoding Constellation diagram Binary phase shift keying Vectors Rayleigh channels Cyclic redundancy check Digital relays North America Signal design
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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