Abstract
The author describes a go-back-N (GBN) protocol, which is a type of automatic repeat request (ARQ) technique. The protocol has a buffer and memory at the receiver side and offers low implementation complexity and a structure especially suited to mobile communications. The optimization of the protocol parameters is determined through numerical analysis. Performance is evaluated by computer simulation using a channel model suitable for mobile communications. The results show that the proposed ARQ scheme achieves a higher performance than that of other ARQ protocols and that at high error rates its efficiency compares favorably with selective repeat protocols having an infinite buffer.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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