PERFORMANCE COMPARISON OF HIGH LEVEL QAM & QPRS SCHEMES IN NONLINEAR RADIO CHANNELS.

K. Sreenath, Iwao Sasase, Kamilo Feher

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The sensitivity of high-level modulation schemes to channel nonlinearities in digital radio systems is investigated. The QAM schemes are less sensitive to nonlinearities when operated in the offset mode. Comparison of QAM and QPRS schemes reveals that the latter need a lower carrier to noise ratio (CNR) than corresponding QAM schemes for identical operating conditions. When the nonlinearities are not severe, the degradation in performance is controlled by AM/PM characteristic of the amplifier.

Original languageEnglish
Title of host publicationConference Record - International Conference on Communications
PublisherIEEE
Pages1632-1635
Number of pages4
Publication statusPublished - 1986
Externally publishedYes

Fingerprint

Quadrature amplitude modulation
Digital radio
Radio systems
Modulation
Degradation

ASJC Scopus subject areas

  • Media Technology

Cite this

Sreenath, K., Sasase, I., & Feher, K. (1986). PERFORMANCE COMPARISON OF HIGH LEVEL QAM & QPRS SCHEMES IN NONLINEAR RADIO CHANNELS. In Conference Record - International Conference on Communications (pp. 1632-1635). IEEE.

PERFORMANCE COMPARISON OF HIGH LEVEL QAM & QPRS SCHEMES IN NONLINEAR RADIO CHANNELS. / Sreenath, K.; Sasase, Iwao; Feher, Kamilo.

Conference Record - International Conference on Communications. IEEE, 1986. p. 1632-1635.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sreenath, K, Sasase, I & Feher, K 1986, PERFORMANCE COMPARISON OF HIGH LEVEL QAM & QPRS SCHEMES IN NONLINEAR RADIO CHANNELS. in Conference Record - International Conference on Communications. IEEE, pp. 1632-1635.
Sreenath K, Sasase I, Feher K. PERFORMANCE COMPARISON OF HIGH LEVEL QAM & QPRS SCHEMES IN NONLINEAR RADIO CHANNELS. In Conference Record - International Conference on Communications. IEEE. 1986. p. 1632-1635
Sreenath, K. ; Sasase, Iwao ; Feher, Kamilo. / PERFORMANCE COMPARISON OF HIGH LEVEL QAM & QPRS SCHEMES IN NONLINEAR RADIO CHANNELS. Conference Record - International Conference on Communications. IEEE, 1986. pp. 1632-1635
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