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Wireless sensor is an important part of the Internet of Things, which uses solar cells as power supply. Therefore, it is of great significance to study the characteristics of solar cells. In this paper, a new mathematical model of photovoltaic power generation is established, and the tuning methods of light intensity, temperature, photocurrent, reverse current, and open-circuit voltage are introduced...
Low-Density Parity-Check (LDPC) code is a class of error-correcting codes which have limited capacity. For long code lengths, LDPC codes can even outperform Turbo codes. LDPC is regarded as one of the key technologies that realize the high-speed broadband wireless networks in the future. In this thesis, a new encoding method of LDPC is attempted to construct the parity check matrix from the point...
ZigBee is a new wireless network technology. This paper introduces the advantage of ZigBee technology, and proposes topology map which is based on Zig Bee. The system design method of hardware and software are proposed at last.
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