(2007) "Blind Adaptive Modulation Systems for Wireless Channels with Binary Feedback". Wiley Journal on Wireless Communications and Mobile Computing, 7 (3). pp. 257-266.

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Abstract

In this paper, we investigate the performance of a blind adaptive modulation scheme that does not require any channel knowledge and just uses binary feedback, thereby decreasing feedback load. Retransmission of erroneous packet is not considered. In particular, we present an analytical framework for the performance evaluation of a simple wireless system in terms of receiver and transmitter structure. The system requires no knowledge of the channel and relies on a binary feedback. Slow and fast Rayleigh fading channel conditions are considered. The paper includes the derivation of the closed-form expressions of the spectral efficiency. In some cases, closed-form expression for packet error rate (PER) are derived. Our results show relatively high PER but some applications can still operate in a satisfactory fashion in these conditions, such as voice communication. Using coded modulation with high coding gain and increasing the number of blocks per time slot decrease the PER even more. An advantage of this system is that it uses a low complexity receiver, which sends binary feedback.

Item Type:	Article
Subjects:	Electrical
Department:	College of Engineering and Physics > Electrical Engineering
Depositing User:	AYHAM ZAZA
Date Deposited:	20 Apr 2008 12:30
Last Modified:	01 Nov 2019 13:26
URI:	http://eprints.kfupm.edu.sa/id/eprint/1189