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User equipment (UE) as a basic device in cellular, may outfit different type of sensor module for specified usage, called multimode UE. With the natural mobility characteristics, this new type of UE is similar to an enhanced type of mobile sensor, with more energy and more flexibility. Since WSN can be deployed easily as no major infrastructure and human control are needed, the integration of cellular...
In this paper, a modified CMOS monolithic stacked coupled stripline balun for millimeter-wave applications is proposed. Implemented in TSMC's one-poly eight-metal (1P8M) 0.13 μm mixed-signal (MS)/RF CMOS process, it exhibits a good performance from 28.6 to 35.3 GHz. The minimum insertion loss is only about 0.83 dB. The symmetry is good. The absolute magnitude imbalance is <;0.6 dB and absolute...
Normally, in-orbit satellites are adopted in the satellite communication systems, which provide mainly high-rate data and voice transmission, such as Iridium system, International Maritime Satellite Organization (Inmarsat) system, and so on. When the satellites are close to the end of life, they will be pushed away from their original orbits and become space rubbish. However, if some special adjustment...
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