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Transmit antenna selection is very common technique to reduce system complexity and power consumption at transmitter side while maintaining nearly the same performance of multiple antennas. In this paper, we introduce a transmit antenna selection (TAS) scheme for non orthogonal multiple access (NOMA) to improve the performance in terms of total sum rate. We consider a downlink multiuser multi-input...
We report the first free-space optical transceiver IC for social psychological neurofeedback experiments with multiple mice. The proposed IC, which includes a neural stimulator and neural recorder, is embedded in the head-mounted module of a mouse and communicates with an optical base station by using a mandatory 615 nm visible behavior tracking LED to save power. The proposed IC fabricated in a 0...
In our aging society, the number of people suffering from cerebrovascular or degenerative brain diseases, such as stroke and Alzheimer's disease, is rapidly increasing. It is imperative for those suffering from such slow progressing and recurring brain diseases to continuously monitor and manage their brain conditions. Currently available brain-monitoring techniques, such as computed tomography (CT)...
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