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The IP Multimedia Subsystem (IMS) has been selected as a telecommunication industrial standard for the signal processing among heterogeneous access networks, and it is also responsible for mobility management. However, the mobility of the user equipment (UE) may disrupt or even intermittently disconnect an ongoing session, which heavily affects the satisfaction of the users. Therefore, how to reduce...
Device-to-device (D2D) communication has been widely studied in academic and industry due to its contribution in improved resource utilization. As the radio resource can be reused by multiple D2D links, complicated intracell interference environment is caused. In this paper, we analyze the performance of resource allocation schemes in D2D communications, considering the dynamic data arrival with finite...
Joint source channel coding provides an efficient framework in minimizing end-to-end distortion. In this paper, we propose a method of dynamically allocating the available bit rate between video encoder and channel encoder. The rate allocation algorithm is dependent on the estimated quantization and transmission distortion. We propose a quantization distortion model that is based on residual information...
In this paper, a wireless sensor network (WSN) for monitoring of the track cycling performance will be presented. Many wireless standards, such as Wi-Fi, Bluetooth and Zigbee, have been used to monitor the bike performance. One of the wireless standards, known as Advanced and Adaptive Network Technology (ANT) has received significant attention especially for sport and health applications. This paper...
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