蜂窝网络中多媒体业务中断率分析

2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI:10.1109/PIMRC.2006.253979

T. Elshabrawy, T. Le-Ngoc

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引用次数: 1

摘要

中断概率通常被用来作为研究蜂窝网络系统容量的原始度量。中断概率是一个系统级度量，它缺少关于特定会话生命周期内中断性能的关键信息。通用移动通信系统(UMTS)最近建议基于满足用户标准进行分析，其中计算每个单独会话的中断百分比，以便更真实地估计系统容量。本文将会话中断性能建模为具有指数保持时间(ARP/E)的交替更新过程。用户满意概率的估计解决了ARP/E的总停机时间(坏时间)百分比的推导。导出了语音服务满意用户概率的精确公式。为语音开发的ARP/E分析也被用作WWW浏览用户满意用户概率的近似值

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of the Percentage of Outage for Multimedia Services in Cellular Networks

Outage probability has been commonly used as the primal metric to investigate system capacity of cellular networks. Outage probability is a system-level metric that lacks key information with regards to outage performance within the lifetime of a particular session. Analysis based on the satisfied-user criteria has been recently recommended by Universal Mobile Telecommunication Systems (UMTS) where the outage percentage for each individual session is computed for a more genuine estimate of system capacity. In this paper, the session outage performance is modeled as an alternating renewal process with exponential holding times (ARP/E). Estimation of satisfied-user probability resolves to derivation of the total downtime (bad-time) percentage of an ARP/E. An exact formula for the satisfied-user probability is derived for speech services. The ARP/E analysis developed for speech is also employed as an approximation for the satisfied-user probability of WWW browsing users

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来源期刊

2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications

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