Performance Analysis of VOIP Traffic Over Integrating Wireless LAN and WAN Using Different Codecs
Ali M. Alsahlany
TL;DR
This paper evaluates VoIP performance over integrated wireless LAN and WAN networks using various codecs, finding G.729A to be the most suitable based on QoS metrics like MOS, jitter, and delay.
Contribution
It presents a simulation-based analysis of VoIP over wireless LAN/WAN with different codecs, identifying the optimal codec for QoS performance.
Findings
G.729A codec provides the best QoS performance.
Jitter and delay are minimized with G.729A.
Simulation results guide codec selection for VoIP over wireless networks.
Abstract
A simulation model is presented to analyze and evaluate the performance of VoIP based integrated wireless LAN/WAN with taking into account various voice encoding schemes. The network model was simulated using OPNET Modeler software. Different parameters that indicate the QoS like MOS, jitter, end to end delay, traffic send and traffic received are calculated and analyzed in Wireless LAN/WAN scenarios. Depending on this evaluation, Selection codecs G.729A consider the best choice for VoIP.
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