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With the growth of bandwidth adaptive applications in wireless and mobile networks with different QoS requirements, there is an urgent need for an adaptive bandwidth management scheme which makes use of the flexible bandwidth requirements of these new traffic classes. In this paper, a Call Admission Control (CAC) strategy is proposed based on full consideration of the adaptivity of multimedia services...
IPTV is defined as multimedia services, such as TV, video, audio, text, graphics, and data, delivered over IP-based networks managed to support quality of service (QoS), quality of experience (QoE), security, interactivity, and reliability. Those services are now expanded to mobile and wireless networks. This paper illustrates what technical challenges to be considered for IPTV seamless service in...
Video broadcast applications have received significant interests from the mobile WiMAX standard in terms of capabilities and means of delivery multimedia services, by providing high bandwidth over long-range transmission. However, one of the main problems of IEEE 802.16 is that it covers multi BS with too many profiled layers, which can lead to potential interoperability problems. The multi BS mode...
One of the critical issues in multimedia applications is the support of quality of service (QoS) at an acceptable level. IEEE802.11e has proposed a simple scheduler but it proves unable to support QoS in variable bit rate traffic. This paper presents a novel scheduling algorithm named adaptive transmission opportunity (ATX) to support variable bit rate in multimedia services. In the proposed scheduling...
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