NDLI: Achieving multiuser diversity under hard fairness constraints

Content Provider	IEEE Xplore Digital Library
Author	Knopp, R.
Copyright Year	2002
Description	Author affiliation: Mobile Commun. Lab., Inst. Eurecom, Sophia Antipolis, France (Knopp, R.)
Abstract	The focus of this study is the concept of multiuser diversity in the context of a single-cell multiuser channel. The primary result of this work is that using proper dynamic resource allocation strategies on Rayleigh fading channels can yield a non-negligible power boost which can be as high as 5 or 6 dB, for a moderate number of users employing a joint resource allocation policy. This gain grows logarithmically with the number of users. The main practical issue arising from these results is fairness. Users must wait (or the base station in the case of the broadcast channel) until their channel conditions are favourable enough to transmit. We show in this work that multiuser diversity can still be achieved in a multi-carrier system using simple orthogonal multiplexing even under the constraint that each user receives the same constant bandwidth resource at any time instant.
Sponsorship	IEEE Inf. Theory Soc
File Size	116420
File Format	PDF
ISBN	0780375017
DOI	10.1109/ISIT.2002.1023723
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-06-30
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Resource management Broadcasting Additive white noise Gaussian noise Power control Mutual information Mobile communication Laboratories Context
Content Type	Text
Resource Type	Article

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