Title

Optimal Ask And Qam With Non-Equal Symbol Probabilities On Rayleigh Fading Channels

Abstract

Formulas are derived to compute the optimal signal constellation, bit error probabilities, and decision thresholds for M-ASK and QAM with non-equal prior symbol probabilities on Rayleigh fading channels. It is shown that the optimal system can improve average Eb/N0 by 5dB compared to a conventional system, i.e. a system with source coding, equiprobable symbols, and equal space constellation. © 2011 The Institution of Engineering and Technology.

Publication Date

1-6-2011

Publication Title

Electronics Letters

Volume

47

Issue

1

Number of Pages

63-65

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1049/el.2010.7876

Socpus ID

79957613294 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/79957613294

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