Postdetection Phase Combining Diversity

Masaharu Ikura, Fumiyuki Adachi

研究成果: Article査読

13 被引用数 (Scopus)

抄録

We propose a postdetection phase combining (PC) scheme for the two branch diversity reception of differential phase shift keying (DPSK) over multipath fading channels. The receiver has a differential phase detector (DPD) in each diversity branch, and the combiner weights each detector output in proportion to the vth power of the signal envelope at the detector's input. For π/4-shift QDPSK over frequency-flat Rayleigh fading channels, we find via computer simulation that the optimum weight factor is v = 2, and that our simple, practical combining scheme performs almost as well as postdetection maximal ratio combining (MRC). We demonstrate similar relative performances for frequency-selective fading channels and for channels with cochannel interference (CCI).

本文言語English
ページ(範囲)298-303
ページ数6
ジャーナルIEEE Transactions on Vehicular Technology
43
2
DOI
出版ステータスPublished - 1994 5月
外部発表はい

ASJC Scopus subject areas

  • 自動車工学
  • 航空宇宙工学
  • 電子工学および電気工学
  • 応用数学

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