Detection techniques for enhanced FQPSK signals

Author

Borah, Deva K. ; Horan, Stephen

Author_Institution

Klipsch Sch. of Electr. & Comput. Eng., New Mexico State Univ., Las Cruces, NM, USA

Volume

1

fYear

2001

fDate

2001

Firstpage

654

Abstract

This paper investigates receiver structures for enhanced FQPSK modulation. A new receiver structure called the per waveform matched filter (PWMF) receiver is introduced. The bit error rate performance of averaged matched filter receiver, optimal linear MMSE receiver, PWMF receiver and the optimal receiver based on the Viterbi algorithm is studied for uncoded and coded EFQPSK signals with and without a nonlinear power amplifier. Our study shows that the various structures provide complexity performance trade off and their performance is little degraded due to the presence of the nonlinear amplifier. A low complexity receiver structure for Rayleigh frequency-flat fading channels is also investigated and is found to perform well

Keywords

Rayleigh channels; Viterbi detection; error statistics; least mean squares methods; matched filters; power amplifiers; quadrature phase shift keying; radio receivers; radiofrequency amplifiers; EFQPSK; PWMF receiver; Rayleigh fading channels; Viterbi algorithm; averaged matched filter receiver; bit error rate performance; coded signals; complexity performance; enhanced FQPSK modulation; frequency-flat fading channels; nonlinear power amplifier; optimal linear MMSE receiver; optimal receiver; per waveform matched filter; receiver structures; uncoded signals; Baseband; Degradation; Detectors; Fading; Matched filters; Phase shift keying; Power amplifiers; Pulse width modulation; Quadrature phase shift keying; Viterbi algorithm;

fLanguage

English

Publisher

ieee

Conference_Titel

Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE

Conference_Location

San Antonio, TX

Print_ISBN

0-7803-7206-9

Type

conf

DOI

10.1109/GLOCOM.2001.965197

Filename

965197