A Simple Algorithm that Adapts one of Two Packet Sizes in a Wireless ARQ Protocol

Abstract

A recent algorithm of Modiano selects packet In this paper we modify the algorithm of Modiano so that the sizes in a selective repeat ARQ protocol based on the proposed scheme adapts between one of only two preacknowledgement history of the most recently transmitted specified packet sizes. Our analysis follows closely the packets. In this paper we modify this algorithm so that analysis of [5], but in the process we also provide a simplified the choice of packet size is restricted to one of two presolution to equation (8) in [5]. The rest of the paper is

Analysis of downlink performance for broadband wireless systems

“…Let λ denote the mean rate of the Poisson arrival process of packets at the BS and destined to different SSs; the packet arrival is instantaneous at the BS queue. We consider packets of two sizes (r = 2) according to the following distribution [6], [7]: the packet has a length of one transmission resource with probability p and has length of two transmission resources with probability 1 − p. Probability p could be related to the use of a certain transmission mode in the BS cell of coverage. This can be determined according to a suitable propagation model and link budget [7], as shown in Section IVWe compare below two approaches for downlink analysis.…”