NDLI: On the influence of the power profile on diversity combining schemes

Content Provider	IEEE Xplore Digital Library
Author	Djonin, D.V. Tarasak, P. Bhargava, V.K.
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada (Djonin, D.V.; Tarasak, P.; Bhargava, V.K.)
Abstract	The usage of multichannel receivers that are followed by diversity combining can significantly improve the performance of wireless communications links. In this paper we investigate in some detail two popular techniques for diversity combining, namely maximal ratio combining (MRC) and equal gain combining (EGC). The main goal is to investigate under which circumstances it can be guaranteed that a certain technique does indeed decrease the probability of error of a multichannel receiver. The analyzed fading model is quite general with the only assumption that fading gains are scaled exchangeable random variables. The crucial mathematical tool used to produce the results of this paper is the powerful theory of stochastic majorization. Among other results, it was shown that the average bit error probability of the MRC receiver with equally distributed average powers always decreases with the addition of a new diversity branch if the total power is fixed.
Starting Page	1659
Ending Page	1663
File Size	258558
Page Count	5
File Format	PDF
ISBN	0780379748
DOI	10.1109/GLOCOM.2003.1258519
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diversity reception Fading Random variables Stochastic processes Performance analysis Delay Signal to noise ratio Wireless communication Error probability Digital communication
Content Type	Text
Resource Type	Article

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