Modelling PTT Packet Delay in the GPRS/GSM Uplink

被引：0
|
作者：
Wang, Rebecca Y. [1 ]
Zukerman, Moshe [2 ]
Harris, Richard J. [3 ]
机构：
[1] RMIT Univ, Sch Elect & Comp Engn, Melbourne, Vic 3000, Australia
[2] Univ Melbourne, Dept EEE, ARC Special Res Ctr Ultra Broadband Informat Netw, Melbourne, Vic 3010, Australia
[3] Massey Univ, Inst Sci Informat & Technol, Palmerston North 5301, New Zealand
来源：
2006 IEEE 63RD VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6 | 2006年
基金：
澳大利亚研究理事会;
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Push-to-Talk (PTT) is a new mobile service which enables fast-access two-way communication between two or more users. This paper provides an approximate evaluation model for PTT delay performance using the General Packet Radio Service (GPRS) over Global System for Mobile Communications (GSM) networks and taking account of GSM and GPRS traffic loading. Cases with and without provision of strict priority for PTT traffic over GPRS data are considered. Our PTT/GPRS/GSM model is based on the following three modelling assumptions: (1) a quasi-stationary assumption on the behaviour of GPRS under GSM voice loading, (2) a M/G/1 processor sharing (PS) queueing model to analyse PTT packet queueing delay performance, and (3) independence between retransmission traffic and original traffic. The model is validated by simulation. We present numerical and simulation mean delay results to illustrate the effect of traffic load and various design parameters on PTT packet delay.
引用
收藏
页码：420 / +
页数：2
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