Theoretical Studies of a Simulcast Digital Radio Paging System Using a Carrier Frequency Offset Strategy

Takeshi Hattori, Kenkichi Hirade, Fumiyuki Adachi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

In a multistation simulcast digital radio paging system, each base station transmits the same RF signal simultaneously with the resulting efficient frequency utilization and simplified receiver design. In this system a paging receiver in the overlapping area receives several RF signals transmitted from different base stations. When frequency-shift keying (FSK) is used as a modulation method, experimental test results have already shown that the timing of each RF signal should be synchronized as closely as possible, but that the carrier frequency of each transmitter should be set following a certain offset assignment. The signal transmission performance in a multipath fading environment can then be markedly unproved. The cause of this improvement effect is theoretically analyzed. It is clarified that the improvement effect is caused by transforming the probability distribution of time-averaged signal power.

Original languageEnglish
Pages (from-to)87-95
Number of pages9
JournalIEEE Transactions on Vehicular Technology
VolumeVT-29
Issue number1
DOIs
Publication statusPublished - 1980 Feb
Externally publishedYes

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics

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