NDLI: The effect of user distribution on a linear Cellular Multiple-Access Channel

Content Provider	IEEE Xplore Digital Library
Author	Chatzinotas, S. Imran, M.A. Tzaras, C.
Copyright Year	2008
Description	Author affiliation: Centre for Commun. Syst. Res., Univ. of Surrey, Guildford (Chatzinotas, S.; Imran, M.A.; Tzaras, C.)
Abstract	The Gaussian cellular multiple-access channel (GCMAC) has been the starting point for studying the Shannon-theoretic limits of cellular systems. In 1994, a simple infinite GCMAC was initially introduced by Wyner and was subsequently extended by researchers to incorporate flat fading environments and power-law path loss models. However, Wyner-like models, preserve a fundamental assumption, namely the symmetry of User Terminals (UTs). In this paper, we investigate the effect of this assumption on the sum-rate capacity limits, by examining the case of distributed and thus asymmetric UTs. The model under investigation is a GCMAC over a linear cellular array in the presence of power-law path loss and flat fading. In this context, we study the effect of UT distribution for cell-centre and cell-edge UTs and we show that its effect is considerable only in the case of low cell density.
Starting Page	95
Ending Page	99
File Size	1869278
Page Count	5
File Format	PDF
ISBN	9781424423736
DOI	10.1109/CHINACOM.2008.4684977
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Space vector pulse width modulation Base stations Communication systems Interference Multicell Decoding Decoding Power system modeling User Distribution Cellular networks Cellular Gaussian Multiple-Access Channel Land mobile radio cellular systems Signal processing
Content Type	Text
Resource Type	Article

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