QDPSK Signal Transmission Performance with Postdetection Selection Diversity Reception in Land Mobile Radio

Koji Ohno, Fumiyuki Adachi

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Bit error rate (BER) performance of 16 — 128 kb/s Nyquist raised cosine filtered quaternary differential phase shift keying (RC-QDPSK) signal transmission is experimentally investigated. Two-branch postdetection selection diversity reception is employed. Measured results obtained by laboratory experiments are presented for the BER performance due to additive white Gaussian noise (AWGN), cochannel interference, and multipath channel delay spread. Field BER measurements are also conducted at a carrier frequency of 1.45 GHz in the Shinjuku area (in Tokyo), which is characterized by high-rise buildings and the Kofu area, which is surrounded by mountains. The results show that postdetection selection diversity is a simple, yet powerful technique to improve the BER performance in fading mobile radio channels.

本文言語English
ページ(範囲)798-804
ページ数7
ジャーナルIEEE Transactions on Vehicular Technology
40
4
DOI
出版ステータスPublished - 1991 11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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