Wideband CDMA systems

Atsushi Fukasawa, Takuro Sato, Yumi Takizawa, Reed E. Fisher, Toshio Kato, Manabu Kawabe

Research output: Contribution to conferencePaper

Abstract

This paper describes a wideband-spread code division multiple access (W-CDMA) system for high capacity and high quality personal radio communication. This system has been authorized as an EIA/TIA Interim Standard IS-665 and ITU-R Recommendation M. 1073. The system uses coherent detection (CD) to increase system capacity. An interference canceller (IC) has been given to enhance the capacity. CD and IC have been in practice by using continuous pilot signals in forward/reverse links. PN and Hadamard sequences are used as the spreading code for minimal mutual interference among traffic and pilot/sync/paging channels. A 32 kbit/s robust waveform speech coder COM101+ has been developed to achieve toll quality speech in the radio environment.

Original languageEnglish
Pages244-248
Number of pages5
Publication statusPublished - 1996 Dec 1
EventProceedings of the 1996 4th International Symposium on Spread Spectrum Techniques & Applications, ISSSTA'96 - Mainz, Ger
Duration: 1996 Sep 221996 Sep 25

Other

OtherProceedings of the 1996 4th International Symposium on Spread Spectrum Techniques & Applications, ISSSTA'96
CityMainz, Ger
Period96/9/2296/9/25

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Fukasawa, A., Sato, T., Takizawa, Y., Fisher, R. E., Kato, T., & Kawabe, M. (1996). Wideband CDMA systems. 244-248. Paper presented at Proceedings of the 1996 4th International Symposium on Spread Spectrum Techniques & Applications, ISSSTA'96, Mainz, Ger, .