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IEEE 802.16e, a broadband wireless access technology that provides high speed Internet access and multimedia services has seen very significant growth in recent times. With the due rapid deployment of WiMAX, there would be a growing demand for efficient support of voice applications. The performance of voice over IP services depends on a proper scheduling algorithm combined with a proper voice encoder...
Quality of service support is a major challenge in VoIP. So much research has been devoted recently on maintaining an acceptable quality-of-service (QoS) for the transmission of real-time multimedia streams. In personal communication human speech processing is one of the most important procedure. Because if a low bit-rate codec is used in voice over IP (VoIP) to achieve a high compression ratio, the...
An appropriate telephone call network (TCN) model is very important for any VoIP provider to analyze the practical scenario of the telephone network. Telephone call network model on user perspective is another significant research area as this type of model is particularly useful in predicting the dynamics of the telephone calls during incidents like earthquakes or typhoons, when there is a sudden...
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