Non-data-aided SNR estimation method for APSK exploiting rank discrimination test

Author

Azim, Ali Waqar ; Khalid, S.S. ; Abrar, Shafayat

Author_Institution

COMSATS Inst. of Inf. Technol., Islamabad, Pakistan

Volume

48

Issue

14

fYear

2012

Firstpage

837

Lastpage

839

Abstract

Presented is a non-data-aided (NDA) signal-to-noise ratio (SNR) estimation method for amplitude-phase shift-keying (APSK) in the presence of additive white Gaussian noise over a quasi-static channel. The proposed estimator is based on a rank discrimination test and uses a look-up table for SNR estimation. The performance of the proposed estimator is evaluated for 8APSK and 16APSK. It is shown through Monte-Carlo simulations that the proposed estimator outperforms existing NDA moment-based SNR estimators in terms of normalised mean-square error.

Keywords

AWGN; Monte Carlo methods; amplitude shift keying; estimation theory; mean square error methods; performance evaluation; phase shift keying; signal processing; statistical testing; table lookup; APSK exploiting rank discrimination test; Monte-Carlo simulations; NDA moment-based SNR estimators; NDA signal-to-noise ratio estimation method; additive white Gaussian noise; amplitude-phase shift-keying; look-up table; nondata-aided SNR estimation method; normalised mean-square error; performance evaluation; quasi-static channel;

fLanguage

English

Journal_Title

Electronics Letters

Publisher

iet

ISSN

0013-5194

Type

jour

DOI

10.1049/el.2012.1327

Filename

6235152