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In this paper, we propose an efficient motion estimation hardware architecture for High Efficiency Video Coding (HEVC) using a Modified Reference Data Access Skip (MRDAS) for reducing the minimum memory bandwidth. The memory bandwidth is responsible for the throughput limitations in motion estimation, especially when dealing with high quality video of a large frame size and search range. This architecture...
3D Silicon pn junction betavoltaic cells are designed and fabricated with vertical electrode structure in this work. The betavoltaic cells consist of multiple vertical pn junctions generated by the vertical p-electrodes. The beta-particles from beta-emitting radioisotope Ni-63 are directly incident to the space charge region of vertically generated pn junctions without passing the neutral n or p region...
This paper presents measurement results in a general electromagnetic environment to evaluate use of the human body as an antenna in energy harvesting technology. Voltage received by an antenna operation of the human body was measured in an outdoor environment. More accurate model of the receiving voltage is also presented to estimate harvesting energy that can be obtained by using the human body as...
HF wet and vapor etching of dielectric oxide films, which were prepared by thermal atomic layer deposition (ALD) and plasma-enhanced ALD (PEALD), are examined for radiofrequency microelectromechanical system (RF MEMS) application. The chemical stability of oxide films was increased in the order of ALD–Al 2 O 3 <PEALD–ZrO 2 <PEALD–TiO 2 ≈ALD–Ta 2 O ...
This paper presents a novel intrabody communication system, in which the base-band signal is directly transmitted through human body and electrically recovered, and its architecture are. The electrical characteristics of the human body in terms of a communicational channel are investigated from 1KHz to 10MHz using the equipment with a floating ground. The signal from universal asynchronous receiver...
An intuitive context aware service between two devices is possible using touch with the direct digital intra-body communication. Using this technology, users with multimedia devices may simply touch them to establish network connection, transfer data, and provide the required service; hence the name touch-and-play (TAP). Using TAP, users can disclose their context by touching the specific device....
A novel structure of silicon field emission cathode with the narrow spacing between tip and gate electrode is proposed, leading to a low voltage operation. It utilizes the filling characteristics of the sputtered Ti/sub 0.1/W/sub 0.9/ beneath the disc-shaped tip-mask oxide with good step-coverage. TEOS (tetraethylorthosilicate) oxide is used for gate dielectric and it shows good leakage characteristics...
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