Performance analysis of voice services in hybrid fiber/coax networks

被引：0
|
作者：
Xiao, XJ [1 ]
Chew, YH [1 ]
Seah, WKG [1 ]
Ko, CC [1 ]
机构：
[1] Natl Univ Singapore, Dept Elect Engn, Singapore 119260, Singapore
来源：
2001 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-10, CONFERENCE RECORD | 2001年
关键词：
hybrid fiber/coax; upstream transmission; feasible region; discrete-time Markov chain; packet loss probability;
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：
This paper Investigates quality-of-service (QoS) performance of voice services in Hybrid fiber/coax (HFC) networks. We focus on the upstream channel and the performance of the system is evaluated in terms of voice packet loss probability. Two different classes of voice services are considered. For voice without speech activity detector (SAD), there is no packet dropping and hence the analysis Is trivial. For voice with SAD, we develop an elaborate discrete-time Markov chain model to obtain the voice packet dropping probability. Numerical examples are presented to demonstrate the performance the system.
引用
收藏
页码：701 / 706
页数：6
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