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The performance of WiMAX (Worldwide Interoperability for Microwave Access) system is significantly limited by the co-channel interference (CCI) signals which are transmitted from other cellular cells. Thus, the co-channel interference becomes a major performance limiting factor and has to be accounted in designing WiMAX networks. This research focuses on evaluating the CCI in terms of the Signal-to-Interference-and-Noise-Ratio...
Eye tracking is not a new idea in human-computer interaction research. Since at least as early as 1990s, researchers have tried to utilize eye movement to drive or monitor user interaction with computers. The new idea is using eye movement tracking to breach the privacy of mobile users. In this paper, we study the feasibility of exploiting consumer-grade cameras built onto current smartphones to log...
Cell Clustering has been identified as one of the technique and mechanism for cooperative communication used in Long Term Evolution (LTE). However, the proposed mechanism is subjected to many difficulties in cooperative decisions. This paper gives an overview on clustering techniques for User Equipment (UEs) and eNodeBs (eNBs) being handled in the LTE/LTE-Advanced network such as static and dynamic...
In Long Term Evaluation (LTE)-Advanced system, Carrier Aggregation (CA) technique that provide substantial enhancement in data rate transmission for downlink and uplink over wider bandwidth have been proposed. The basic idea of CA technique is to aggregate several smaller contiguous or noncontiguous components, thus concurrent radio resources across multiple carriers are utilized. This paper overview...
There are always increasing demands of high speed data applications in wireless systems with fast and seamless access to voice and multimedia services and QoS guaranteed such as in Fourth Generation (4G) Long Term Evolution (LTE)-Advanced system. Moreover, as mobility speeds support is expected to reach up to 500 km/h, the handover will occur more frequent, thus the system performance in terms of...
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