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

Insoo KOO  Jeongrok YANG  Kiseon KIM  

Publication
IEICE TRANSACTIONS on Communications   Vol.E90-B   No.3   pp.668-671
Publication Date: 2007/03/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.3.668
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
CDMA systems,  voice/data,  delay distribution,  

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Summary: 
In this letter, we present a procedure 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 present a numerical procedure for the formation of delay distribution that is defined as the probability that a new data call get a service within the maximum tolerable delay requirement, based on a two-dimensional Markov model.