Design of micro-power WiFi sensor network using wireless SoC chip Design of micro-power WiFi sensor network using wireless SoC chip August 26, 2008 Wireless sensor network consists of a large number of cheap, miniature, energy-saving sensor nodes deployed in the detection area. It forms a network system by itself through wireless communication. Its main purpose is to collaboratively sense, collect and process the information of the sensed objects in the network coverage area, receive commands and exchange information about the real world with the control center. If the Internet constitutes a logical information world and changes the way people communicate with each other, then wireless sensor networks are to integrate the logical information world with the objective physical world and change the way humans interact with nature. Wireless sensor networks are listed as one of the top ten technologies that will change the world in the 21st century by Business Weekly of the United States, and are also listed as the three major high-tech industries in the future of the world by the Massachusetts Institute of Technology (MIT) Technology Review. Compared with the 802.15.4 standard and zigbee wireless sensor networks that are already popular in China, WiFi/IEEE802.11b/g networks are more mature technologies and have obvious advantages in device interoperability. This IP-based networking technology can easily achieve seamless connection with the networks already installed in enterprises and homes, and should also have better security. When WiFi/IEEE802.11b/g wireless network signals, in the near future, cover the sky above each of our \"wireless cities\" and each of our homes and commercial buildings like pieces of \"wireless clouds\", the following pictures will become a reality: Picture 1: Low-power wireless WiFi SoCs in various electric meters, water meters, and gas meters in thousands of households maintain real-time network contact with power supply companies and other energy passers through WI-FI wireless networks with very low power consumption. The digital display system in the home will notify you when the energy price is the lowest, and you can use low-priced energy to pay. At the same time, if your energy equipment has problems, the energy company will repair it as soon as possible. Payment and meter reading are fully automatic and completed wirelessly... Picture 2: Inside the commercial buildings in the city, tens of thousands of working wireless sensors, including security, temperature, humidity, smoke alarms, etc., all use the existing WiFi wireless SoC as the core node for self-monitoring...
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