Analysis of ARQ in a Fading Channel

In this paper we consider the performance of selective-repeat automatic retransmission request (SR-ARQ) protocols over a fading channel. The matrix signal ow graph (MSFG) methodology is used to compute the probability-generating function of several variables, such as throughput, delay, error probability, etc. The MSFG framework is used to describe dierent variants of the SR-ARQ scheme with the purpose of assessing their relative performance. The analysis is conducted from both the transmitter and the receiver perspective.

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