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The problem of estimating the direction-of-arrivals (DOAs) of multiple groups of coherent signals with uniformly linear array (ULA) is addressed. An iterative root-MUSIC method is proposed to refine a given coarse DOA estimation by investigating the information carried by the coherency structure among incident signals. The refinement processes for the DOAs associated with distinct sources are implemented...
In this study, a hybrid user association scheme for maximising energy efficiency is proposed in a wireless uplink heterogeneous network with human-to-human and machine-to-machine communications coexistence. Different from conventional user association algorithms, the authors consider access control protocol for both the human-type-communications (HTCs) users equipments’ (UEs) and machine-type-communications...
Camera sensor network (CSN) is widely used in many new applications. But low quality images or videos obtained by cheap surveillance cameras are a bottleneck for the development of CSN. A new motion-based blind super-resolution algorithm is proposed to improve the resolution of acquired image. In this method, improved projection transformation is adopted to estimate relative motion of the low-resolution...
This paper is concerned with the simultaneous design of plant structure parameters (passive components) and controllers (active components) in order to achieve the optimal system performance. With LFT (linear fractional transformation) formulation, the simultaneous design problem can be transferred into a design problem of a controller with specific construction. It is a complex control problem with...
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