Power efficiency of joint frequency-phase modulation in the low-SNR regime over noncoherent Rician channels

Mustafa Cenk Gursoy, H. Vincent Poor, Sergio Verdu

Research output: Contribution to journalConference article

2 Scopus citations

Abstract

Transmission of information over noncoherent Rician fading channels using M-ary orthogonal on/off FSK (OOFSK) signaling with phase modulation is considered. The capacity of this signaling scheme is obtained for both finite M and as M tends to infinity. Power efficiency is investigated when the transmitter is subject to a peak-to-average power ratio (PAR) limitation or a peak power limitation. It is shown that under PAR limitation, in contrast to average power limited systems, the minimum bit energy is not always achieved at zero spectral efficiency. It is concluded that, in these cases, operating at very low spectral efficiency should be avoided. On the other hand, it is demonstrated that if there is only a peak power limitation, power efficiency improves as one operates with smaller SNR and vanishing duty factor.

Original languageEnglish (US)
Pages (from-to)2068-2072
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume60
Issue number3
StatePublished - Dec 1 2004
Event2004 IEEE 60th Vehicular Technology Conference, VTC2004-Fall: Wireless Technologies for Global Security - Los Angeles, CA, United States
Duration: Sep 26 2004Sep 29 2004

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Fingerprint Dive into the research topics of 'Power efficiency of joint frequency-phase modulation in the low-SNR regime over noncoherent Rician channels'. Together they form a unique fingerprint.

  • Cite this