Packet dropping statistics of a data-link protocol for wireless local communications

We consider a data transmission system over a wireless channel, where packets are queued at the transmitter ARQ is employed as the error control scheme, by which packets corrupted due to channel impairments are immediately retransmitted. We study the statistics of the packet dropping process due to buffer overflow. In particular, we propose a Markov approximation to model such losses. The delay performance of the packets which are admitted to the queue is also studied.