Abstract
In this paper, we examine the effect of retransmission cutoff in slotted ALOHA systems employing the binary exponential backoff (BEB) algorithm, in terms of throughput and delay performance, system stability and packet dropping probability. For comparison, the performance of the BEB algorithm without retransmission cutoff is presented. We consider a finite population of users competing for channel access under unsaturated traffic condition. Analytical results are compared against simulations. By dropping packets to keep channel traffic at an acceptable level, BEB with retransmission cutoff improves delay performance at the expense of system throughput.
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