Delay Distribution of Data Traffic in Integrated Voice/Data CDMA Systems

J. Yang, Y.-I. Kim, A. Ahmad, and K. Kim (Korea)


CDMA, two-dimensional Markov model, blockingprobability, delay distribution


In this paper, we present a formulation to analyze the delay distribution of data traffic in CDMA systems supporting voice and delay-tolerant data services with a finite buffer. The queueing method using a buffer for a delay-tolerant traffic can be used to improve the system utilization or the availability of system resources. Under the first-come and first-serve (FCFS) service discipline, we explain the numerical procedure for the formulation of delay distribution based on a two-dimensional Markov model. It is shown that the buffer size is one of important parameters to appropriately balance the availability of system resources for each traffic.

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