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A comprehensive survey on scheduler for VoIP over WLAN

Nisar, Kashif and Amphawan, Angela and Hassan, Suhaidi and Sarkar, Nurul I. (2013) A comprehensive survey on scheduler for VoIP over WLAN. Journal of Network and Computer Applications, 36 (2). pp. 933-948. ISSN 1084-8045

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Voice over Internet Protocol (VoIP) technology has observed rapid growth in the world of telecommunications.VoIP offers high-rate voice services at low cost with good flexibility, typically in a Wireless Local Area Network (WLAN). In a voice conversation, each client works either as a sender or a receiver depending on the direction of traffic flow over the network.A VoIP technologically requires high throughput, less packet loss and a high fairness index over the network.The packets of VoIP streaming may experience drops because of competition among the different kinds of traffic flow over the network. A VoIP application is also sensitive to delays and requires voice packets to arrive on time from the sender to the receiver without any delay over a WLAN.To date, scheduling of VoIP traffic is still an unresolved problem.The objectives of this survey paper are to discuss fundamental principles of VoIP-related schedulers and identify current scheduler issues.This survey paper also identifies the importance of the scheduling techniques over WLANs. Related research work for real-time applications specifically for VoIP will also be highlighted.

Item Type: Article
Uncontrolled Keywords: Scheduler; Algorithm; Packets; VoIP; WLAN
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: School of Computing
Depositing User: Dr. Kashif Nisar
Date Deposited: 10 Nov 2016 03:32
Last Modified: 10 Nov 2016 03:32

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