Performance evaluation of a modified PRMA protocol for joint voice and data packet wireless networks

In this paper, a modified version of the packet reservation multiple-access (PRMA) protocol is proposed to provide spatially dispersed voice and data user terminals wireless access to a base station over a common short-range radio channel. An analytical approach is presented in order to derive syste m performance in terms of mean data message delay and voice packet dropping probability. A suitable permission probability design is also proposed to enhance system performance. Performance comparisons with an extension of th e PRMA protocol to voice data systems previously reported in literature are shown to highlight the better behavior of this approach.