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Performance evaluation of the trial system based on wideband CDMA

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2 Author(s)
Keisuke, O. ; Electron. & Commun. Syst. Lab., Oki Electr. Ind. Co. Ltd., Tokyo, Japan ; Akihiko, W.

This paper outlines the performance evaluation for verification of the wideband CDMA system. The characteristics of the wideband CDMA system (IS-665), which attracts much attention as one of the next generation PCS (personal communication service) systems, were evaluated. These are PCS standards which are aimed, at high-quality voice transmission equivalent to PSTN, radio data transmission and packet radio transmission. The outdoor field trial results are discussed. The field trial was carried out at a carrier frequency of 2 GHz, a transmission output of 29 dBm and by a three-sector system. The area evaluated under the microcell service experiment was within a radius of about 0.5 miles either in an urban or suburban area. As the voice coding method, 32 kbps ADPCM voice coding featuring good transmission characteristics in a poor radio propagation environment was adopted. As a result of characteristic evaluation trials in the actual environment, it has been shown that the wideband CDMA system is a new promising PCS system and is also favorable for FPLMTS and IMT-2000

Published in:

Personal Wireless Communications, 1997 IEEE International Conference on

Date of Conference:

17-19 Dec 1997