The combined automatic repeat request and rate control mechanism in S‐band mobile interactive multimedia asynchronous return link—design background, parameter dimensioning and first experimental results

Abstract

SUMMARYIn the S-band mobile interactive multimedia specification, an asynchronous access using Enhanced Spread Spectrum Aloha random access has been defined for occasional messaging applications. This access scheme is complemented by a combined automatic repeat request and terminal rate control mechanism that is described in this paper. Furthermore, a queuing theory-based model is developed to describe the behaviour of the automatic repeat request mechanism, and performance results from the first proof-of-concept implementation are presented.