Discrete channel models for wireless data services

被引：0
|
作者：
Nefedov, N [1 ]
机构：
[1] Nokia Res Ctr, FIN-00045 Nokia Grp, Finland
来源：
48TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-3 | 1998年
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：
The evaluation of error control strategies for different wireless services implies the existence of models which can describe physical and data-link layers ps a whole. In this paper a method of modelling of discrete channels (DC) is presented. This method is based on nested hidden Markov models and takes into consideration hard and soft decision outputs. It is shown that realistic DC models built for GSM radio channels (at bit level as well as at TDMA frame level) may have relatively big number of channel states. DC model parameters for ARQ and hybrid FEC-ARQ schemes are presented.
引用
收藏
页码：683 / 687
页数：5
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