Selective-Repeat ARQ: The Joint Distribution of the Transmitter and the Receiver Resequencing Buffer Occupancies

Zvi Rosberg, Moshe Sidi

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

Consider a communication network which regulates retransmissions of erroneous packets by a Selective-Repeat (SR) ARQ protocol. Packets are assigned consecutive integers, and are transmitted by the transmitter in order, until a NACK or a time out is observed. The receiver, upon receipt of a packet, checks for errors and returns ACK / NACK accordingly. Only packets for which either a NACK or a time out have been observed are retransmitted. The overall delay of a packet in a system that operates under the SR ARQ protocol consists of the queueing delay at the transmitter and the resequencing delay at the receiver. In this paper, we present a model for the SR ARQ, and derive the joint distribution of the buffer occupancies at the transmitter and at the receiver and compare the two types of delay.

Original languageEnglish
Pages (from-to)1430-1438
Number of pages9
JournalIEEE Transactions on Communications
Volume38
Issue number9
DOIs
StatePublished - 1 Jan 1990
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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