Performance evaluation of video services in a multirate DS-CDMA system

被引：0
作者：
Wong, TC [1 ]
Mark, JW [1 ]
Chua, KC [1 ]
机构：
[1] Agcy Sci Technol & Res, Inst Infocomm Res, Singapore 117674, Singapore
来源：
PIMRC 2003: 14TH IEEE 2003 INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS PROCEEDINGS, VOLS 1-3 2003 | 2003年
关键词：
analytical formulation; bit error rate; variable bit rate; video services; DS-CDMA; quality of service; low- and high bit-rate spreading codes;
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：
An analytical formulation of the outage probability in terms of bit error rate specification for video services in the uplink of a multirate DS-CDMA-based cellular system is presented. The video model used in this paper accounts for scene changes. In the model, each video source is modeled by a two-dimensional Markov chain. The analytical framework is formulated for the general case in which different traffic classes have different low- and/or high-bit-rate spreading gains. Furthermore, each class has a combination of low- and high-bit-rate spreading codes for each user. The analytical work leads to the determination of the capacity region of a multirate DS-CDMA system with video traffic that accounts for slow and fast motions.
引用
收藏
页码：1490 / 1495
页数：6
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