Cell size extending effect of the personal handy phone system by means of delay spread control techniques

Satoshi Denno, Yoichi Saito, Takeshi Hattori

Research output: Contribution to journalArticle

Abstract

This paper describes the cell size extending effect of delay spread control in PHS. As the delay spread control method, maximal ratio combining diversity or transversal combining DFE is used. These delay spread control techniques are realized, and their characteristics are verified in hardware experiments. It is shown that the tap coefficient estimation algorithm in the delay spread control technique can be realized with a DSP 1 chip if simplified, so that the technique is highly applicable to PHS. Based on the results of the above hardware experiment and the empirical propagation estimation equation, the cell size extending effect of PHS is estimated. It is shown that a cell size extension by a factor of 1.3 to 1.8 is achievable if the required BER is 10 -2 to 10 -3.

Original languageEnglish
Pages (from-to)18-25
Number of pages8
JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume82
Issue number6
Publication statusPublished - Jun 1999
Externally publishedYes

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Hardware
Decision feedback equalizers
Experiments

Keywords

  • Cell size extension
  • Discrimination feedback equalizer
  • Maximal ratio combining diversity
  • PHS

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

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abstract = "This paper describes the cell size extending effect of delay spread control in PHS. As the delay spread control method, maximal ratio combining diversity or transversal combining DFE is used. These delay spread control techniques are realized, and their characteristics are verified in hardware experiments. It is shown that the tap coefficient estimation algorithm in the delay spread control technique can be realized with a DSP 1 chip if simplified, so that the technique is highly applicable to PHS. Based on the results of the above hardware experiment and the empirical propagation estimation equation, the cell size extending effect of PHS is estimated. It is shown that a cell size extension by a factor of 1.3 to 1.8 is achievable if the required BER is 10 -2 to 10 -3.",
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