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A call admission control framework for voice over WLANs

机译:WLAN语音的呼叫允许控制框架

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摘要

In this article a call admission control framework is presented for voice over wireless local area networks (WLANs). The framework, called WLAN voice manager, manages admission control for voice over IP (VoIP) calls with WLANs as the access networks. WLAN voice manager interacts with WLAN medium access control (MAC) layer protocols, soft-switches (VoIP call agents), routers, and other network devices to perform end-to-end (ETE) quality of service (QoS) provisioning and control for VoIP calls originated from WLANs. By implementing the proposed WLAN voice manager in the WLAN access network, a two-level ETE VoIP QoS control mechanism can be achieved: level 1 QoS for voice traffic over WLAN medium access and level 2 QoS for ETE VoIP services in the networks with WLANs as the local access. The implementation challenges of this framework are discussed for both level 1 and level 2. Possible solutions to the implementation issues are proposed and other remaining open issues are also addressed.
机译:在本文中,提出了一种用于无线局域网(WLAN)上的语音的呼叫允许控制框架。该框架称为WLAN语音管理器,用于管理以WLAN作为访问网络的IP语音(VoIP)呼叫的准入控制。 WLAN语音管理器与WLAN介质访问控制(MAC)层协议,软交换(VoIP呼叫代理),路由器和其他网络设备进行交互,以执行端到端(ETE)服务质量(QoS)设置和控制VoIP呼叫源自WLAN。通过在WLAN接入网络中实现建议的WLAN语音管理器,可以实现两级ETE VoIP QoS控制机制:WLAN介质访问中语音流量的1级QoS和WLAN作为网络的ETE VoIP服务的2级QoS。本地访问。在第1级和第2级都讨论了该框架的实施挑战。提出了实施问题的可能解决方案,还解决了其他尚待解决的问题。

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