Analysis and Performance Evaluation of the IEEE 802.16 ARQ Mechanism

The IEEE 802.16 standard defines the ARQ mechanismas a part of the MAC layer. The functioning of the ARQmechanism depends on a number of parameters. The IEEE802.16 specification defines them but it does not provide concrete values and solutions. This paper studies the key features and parameters of...

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Veröffentlicht in:Journal of Communications Software and Systems 2008-03, Vol.4 (1), p.29-40
Hauptverfasser: Tykhomyrov, Vitaliy, Sayenko, Alexander, Martikainen, Henrik, Alanen, Olli
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Sprache:eng
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Zusammenfassung:The IEEE 802.16 standard defines the ARQ mechanismas a part of the MAC layer. The functioning of the ARQmechanism depends on a number of parameters. The IEEE802.16 specification defines them but it does not provide concrete values and solutions. This paper studies the key features and parameters of the 802.16 ARQ mechanism. In particular, we consider a choice for the ARQ feedback type, an algorithm to build block sequences, the ARQ feedback intensity, a scheduling of the ARQ feedbacks and retransmissions, the ARQ block rearrangement, ARQ transmission window and the ARQ block size. We ran simulation scenarios to study these parameters and how they impact the performance of application protocols. Thesimulation results reveal that the ARQ mechanism and its correct configuration play an important role in achieving reliable data transmission.
ISSN:1845-6421
1846-6079
DOI:10.24138/jcomss.v4i1.235