Abstract
Broadband Wireless Access (BWA) technology has developed rapidly and it has dominated the advancement of technology especially in wireless networks. This paper studies the performance evaluation of VoIP for a mobile user and how the QoS parameters vary for different speeds. The purpose of the study is to examine the effect of mobility of a user on the performance of VoIP. In the meanwhile, it is evaluating the simulation and emulation method for its validity to be used for any new upcoming technology. However, the results of the simulation need to be verified and assessed by emulation tested results, hoping that both results match closely with each other.
Highlights
In one aspect, WiMAX is a new technology which leads re-searchers to do more research in order to cover most facilities provided by this technology
WiMAX has been developed based on IEEE 802.16e standard, which in particular has been found to overcome operability of microwave access for mobile users, provided setting up Quality of Services parameters probably for different data traffics [1]
This paper investigated is focusing on Point to Multi Point (PMP) and in this mode the transmission be-tween the Multiple Subscriber Stations (MSS) is arranged by Base Station (BS) [2]
Summary
WiMAX is a new technology which leads re-searchers to do more research in order to cover most facilities provided by this technology. WiMAX has been developed based on IEEE 802.16e standard, which in particular has been found to overcome operability of microwave access for mobile users, provided setting up Quality of Services parameters probably for different data traffics [1]. VoIP cost is low com-paring to the classical telephony racks which in turn can be a better alternative of the old one This technology needs to be examined in order to be deployed. It would help in designing a new system effectively and help in developing new protocols and schedulers As it has been noticed, the fact that related work in this area of research has mentioned it, this topic has been roamed in different research in which researchers have implemented several methods to enhance an efficient way to make use of the bandwidth and reduce the delay [6]. It seems that they have not extended the research in which the obtained results were experienced
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