Enhanced wireless access technologies and experiments for W-CDMA communications

Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, Fumiyuki Adachi

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

This article reviews enhanced wireless access technologies and experimental evaluations of the wideband DS-CDMA physical layer employing intercell asynchronous operation with a three-step fast cell search method, pilot symbol-assisted coherent links, signal-to-interference plus background noise power ratio-based fast transmit power control, site diversity (soft/softer handover), and transmit diversity in the forward link. The article also presents link-capacity-enhancing techniques such as using an interference canceller and adaptive antenna array diversity receiver/transmitter, and experimental results in a real multipath fading channel. The laboratory and field experiments exemplify superior techniques of the W-CDMA physical layer and the potential of the IC and AAAD transceiver to decrease the mobile transmit power in the reverse link and multipath interference from high-rate users with large transmit power in the forward link.

Original languageEnglish
Pages (from-to)6-16
Number of pages11
JournalIEEE Personal Communications
Volume7
Issue number6
DOIs
Publication statusPublished - 2000 Dec 1

ASJC Scopus subject areas

  • Media Technology

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