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This paper proposes a solution for throughput and stringent delay problems of VoIP in Ad-Hoc mode of IEEE 802.11 WLAN standards. This paper analyses the behaviour different codecs and schemes of WLAN running on VoIP traffic and draws a conclusion on the performance of network based on the criteria of different QOS parameters. Later the suitability of different routing protocols like AODV, DSR, OLSR...
Multimedia applications have been the key driving force in converging fixed, mobile and IP networks. A major hurdle in the realisation of this convergence is obtaining Quality of Service from a heterogeneous, best-effort service network. Interactive voice requires strict bounds on delay, jitter and packet losses, video adds significant bandwidth requirements to the network, while Internet only makes...
In recent years the interest in supporting voice over IP (VoIP) services over wireless local area networks (WLANs) based on IEEE 802.11 standard is growing. A key issue on this topic is to understand how well the 802.11 can support quality of service (QoS) for VoIP services. Recently ITU-T has released the E-model recommendation to evaluate voice quality perceived by users. In this paper we present...
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