Staggered superposed transmission of narrow band-limited spread spectrum multiple access signals and multicarrier high-speed signals

Takatoshi Sugiyama, Shuji Kubota, Hiroshi Kazama, Shuzo Kato

Research output: Contribution to journalArticle

Abstract

This paper proposes a staggered superposed transmission scheme of narrow bandlimited spread spectrum multiple access (SSMA) signals and multicarrier highspeed signals. To lessen degradation due to mutual interference between SSMA signals and multicarrier highspeed signals, SSMA signals are set between two highspeed signal channels. Moreover, a band-limitation filter in the transmission side and an interference-suppression filter in the receiving side whose bandwidths are narrower than Nyquist bandwidth of spreading code chip-rate are employed. The proposed scheme decreases SSMA signal transmission power and increases the number of SSMA channels.

Original languageEnglish
Pages (from-to)73-80
Number of pages8
JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume78
Issue number11
Publication statusPublished - 1995 Nov
Externally publishedYes

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Bandwidth
Interference suppression
Power transmission
Degradation

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

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