Abstract
The IEEE 802.16 standard is a Broadband Wireless Access (BWA) technology which offers Quality of Service (QoS) support to different types of applications. This standard defines the physical (PHY) and medium access control (MAC) layers. Its MAC layer defines different types of QoS mechanisms to support various types of applications, being the multicast polling one of these mechanisms. Under this mechanism, based on a contention process, every connection competes to gain access to the channel in order to place its bandwidth requests.
In this paper, we propose a new signalling mechanism, called Requests Per Service Flow (RPSF), to reduce the contention phase in the frame. Additionally, we undertake a comparison of this new method with respect to other mechanisms. The simulation results show that our new proposal outperforms other mechanisms recently reported in the literature, in terms of throughput and end-to-end delay.
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This work was supported by the Spanish MEC and MICINN, as well as European Commission FEDER funds, under Grants CSD2006-00046 and TIN2009-14475-C04. It was also partly supported by JCCM under Grants PII2I09-0045-009916 and PEII09-0037-2328.
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Delicado, J., Delicado, F.M. & Orozco-Barbosa, L. RPSF: a new QoS bandwidth request mechanism for the IEEE 802.16. Telecommun Syst 50, 97–111 (2012). https://doi.org/10.1007/s11235-010-9392-1
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DOI: https://doi.org/10.1007/s11235-010-9392-1