Performance evaluation for multichannel access schemes in CDMA cellular systems

Jung Shyr Wu, Jen Kung Chung, Kung Hwa Lee

Research output: Contribution to journalArticlepeer-review


The CDMA system promisingly provides more capacity than AMPS. However, providing multichannels for a CDMA system is a requisite to satisfy the demanded capacity. In this paper, five schemes of multichannel assignment are proposed. Based on computer simulation, performance measures such as blocking probabilities, the overall capacity, the capacity of each channel and the number of retrials are obtained. Simulation results indicate that the SIR-based selection scheme is preferable to the other schemes.

Original languageEnglish
Pages (from-to)129-135
Number of pages7
JournalInternational Journal of Communication Systems
Issue number2
StatePublished - 1998


  • Capacity
  • CDMA
  • Multiple channels


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