IEEE802.11e standard assures to provide QoS using
service differentiation mechanism over WLAN. The Enhanced
Distributed Channel Access (EDCA) mechanism employs to
differentiate the multimedia traffic based on assigned priorities
and allows accessing the channel.Only one category of traffic
permits access to the channel at a time to avoid traffic collision
over the network. In EDCA, the back-off window algorithm
generates back-off window size randomly during traffic
transmission through the channel to prevent other categories
of traffic to access the channel. Due to this randomness of
back-off window algorithm to provide probabilistic QoS to
satisfy the multimedia traffic through the network, the random
mobility model can reduce the network performance. In this
paper, we analyze the proposed network performance based on
the variation of randomness using different seed values
according to different pause time and evaluate the network
performance using various performance metrics in
IEEE802.11e
