Performance evaluation of a WiMAX testbed under VoIP traffic
WiNTECH '06 Proceedings of the 1st international workshop on Wireless network testbeds, experimental evaluation & characterization
The design and implementation of WiMAX module for ns-2 simulator
WNS2 '06 Proceeding from the 2006 workshop on ns-2: the IP network simulator
WEBS: WiMAX emulation testbed to benchmark streaming multimedia QoS
IMSAA'09 Proceedings of the 3rd IEEE international conference on Internet multimedia services architecture and applications
Raabta: low-cost video conferencing for the developing world
Proceedings of the 2013 ACM MobiCom workshop on Lowest cost denominator networking for universal access
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The need of emerging markets telecom, specifically in the Indian telecom scenario, WiMAX is being looked as a broadband access solution ahead of LTE and other competing technologies due its long range and high bandwidth. Voice Over IP (VoIP) will potentially be the killer application for emerging market like India. In this paper we propose a Kiosk based WiMAX infrastructure model to provide voice connectivity to rural Indian villages. In the proposed kiosk model, plain old telephones are connected to a WiMAX subscriber station using Foreign Exchange Subscriber and a Media Gateway. The novelty of the kiosk based infrastructure models is that it has low deployment cost from a service provider perspective, and almost negligible equipment cost for the end user. In order to make the kiosk based model economically sustainable, the number of simultaneous voice calls that can be supported over the WiMAX subscriber stations needs to be maximized. To this end, the paper proposes a Dynamic Frame Profile algorithm to maximize the number of VoIP calls supported over a single subscriber station. A performance evaluation of the the proposed Dynamic Frame Profile algorithm is also carried out to study its effectiveness and reported in this paper.