Voice performance analysis using voice codec by packet fragmentation and contention free periods in wireless networks

M. Fakrudeen (), S. Yousef (), S. Tapaswi, K. K. Patnaik and M. Cole
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M. Fakrudeen: Anglia Ruskin University
S. Yousef: Anglia Ruskin University
S. Tapaswi: ABV-Indian Institute of Information Technology and Management
K. K. Patnaik: ABV-Indian Institute of Information Technology and Management
M. Cole: Anglia Ruskin University

International Journal of System Assurance Engineering and Management, 2017, vol. 8, issue 2, No 18, 758-764

Abstract: Abstract The admission control is required to maintain the established route between the source and the destination in the wireless network. To maintain the stability of the route, the wireless channel parameters has to be adopted appropriately. Thus, this study analyzes the wireless access medium parameter through direct coordination (DCF) and point-to-point coordination method. The packets are fragmented in DCF and contention free period interval are adjusted to study the QoS parameters for various VOIP codec using OPNET simulation tool. The result shows that packet fragmentation to 256 bytes and contention free period for 20 ms improves QoS for G.729 for Voice traffic.

Keywords: VOIP; Codec; QoS; Admission control and MANET (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s13198-016-0517-0

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