Abstract
Wireless sensor network is a novel network with a large of nodes through wireless communication for information measurement in distributing area. The temperature measurement through wireless sensor network can get temperature in distributing area without costly infrastructure. In order to realize temperature measurement in wireless communication, the wireless sensor network technology is utilized in the measurement. The wireless sensor node with Atmega128L is introduced. The sensor ERT-J1VR103J is used to induce temperature. The performance of temperature sensor is analyzed. The temperature is gotten by the microprocessor Atmega128L, and then is sent through radio chip CC2420. The wireless sensor network operation system TinyOS is used in the application. The wireless gateway node based on GPRS is utilized in the remote wireless temperature measurement system through Internet network. The user node receives data from gateway to acquire temperature. The experimental result is gotten and the accuracy of temperature is 0.1 Celsius degree with relative accuracy is 0.1 percent. The result indicates that the temperature measurement system through wireless sensor network is reliable, convenient, and low cost.
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