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Call admission control in wideband CDMA cellular networks by using fuzzy logic

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3 Author(s)
Jun Ye ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; Xuemin Shen ; Mark, Jon W.

In this paper, a novel call admission control (CAC) scheme using fuzzy logic is proposed for the reverse link transmission in wideband code division multiple access (CDMA) cellular communications. The fuzzy CAC scheme first estimates the effective bandwidths of the call request from a mobile station (MS) and its mobility information, then makes a decision to accept or reject the connection request based on the estimation and system resource availability. Numerical results are given to demonstrate the effectiveness of the proposed fuzzy CAC scheme in terms of new call blocking probability/handoff call dropping probability, outage probability, and resource utilization.

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Mobile Computing, IEEE Transactions on  (Volume:4 ,  Issue: 2 )