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Exploiting Phase Diversity for CDMA2000 1X Smart Antenna Base Stations

Abstract

A performance analysis of an access channel decoder is presented which exploits a diversity gain due to the independent magnitude of received signals energy at each of the antenna elements of a smart-antenna base-station transceiver subsystem (BTS) operating in CDMA2000 1X signal environment. The objective is to enhance the data retrieval at cellsite during the access period, for which the optimal weight vector of the smart antenna BTS is not available. It is shown in this paper that the access channel decoder proposed in this paper outperforms the conventional one, which is based on a single antenna channel in terms of detection probability of access probe, access channel failure probability, and Walsh-code demodulation performance.

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Correspondence to Seongdo Kim.

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Kim, S., Hyeon, S. & Choi, S. Exploiting Phase Diversity for CDMA2000 1X Smart Antenna Base Stations. EURASIP J. Adv. Signal Process. 2004, 921237 (2004). https://doi.org/10.1155/S1110865704404089

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  • DOI: https://doi.org/10.1155/S1110865704404089

Keywords and phrases

  • phase diversity
  • access channel
  • searching
  • Walsh-code demodulation
  • CDMA2000 1X