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Traffic model for the channel assignment scheme based on cell partitioning in CDMA mobile systems

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3 Author(s)
Kwang-Sik Kim ; Radio & Broadcasting Technol. Lab., ETRI, Taejon, South Korea ; Cheol-Hye Cho ; Kyoung-Rok Cho

The traffic model for the channel assignment scheme based on cell partitioning (CASCP) is proposed. CASCP is the scheme in which different CDMA channels control different sub-areas of a cell area. The sub-area for each CDMA channel is varied according to traffic conditions, those are user velocity, the probability of user moving and interference from sub-area of other cells. CASCP increases the probability of soft handover between cells. We use a simple and accurate approximating method for deriving the channel holding time distribution by a numerical integration approach. We analyze the effects of user mobility on the system performance and compare the performance in terms of handover attempts rate, mean channel holding time, and traffic density

Published in:

Communications, 2000. ICC 2000. 2000 IEEE International Conference on  (Volume:1 )

Date of Conference:

2000

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