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

K. Sreenath, Iwao Sasase, Kamilo Feher

研究成果: Conference article査読

抄録

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.

本文言語English
ページ(範囲)1632-1635
ページ数4
ジャーナルConference Record - International Conference on Communications
出版ステータスPublished - 1986 12月 1
外部発表はい

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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