Design of Wireless Sensor Network Node with Acoustic Localization

摘要：

This paper introduces a wireless sensor network node with acoustic localization. It includes a dsPIC6014A microcontroller from Micro Chip Inc., a 512KB SRAM, a 2.4GHz RF transceiver, a buzzer, a microphone and a power management unit. The node distance can be measured by TDOA (time difference of arrival) between RF (radio frequency) and acoustic signals. The node location can be obtained from multi-nodes distances. The power manager unit and the nodes sleep period are controlled by a RTC (real time clock) chip. Test result shows that the node can measure the distance longer than 25 meters with error <3％ and the power dissipation in the sleep state is less than 12μW.

关键词： Wireless sensor network node Acoustic localization TDOA

作者: Pan Feng Qin Li Meng Lingjun

作者单位: Key Laboratory of Instrumentation Science & Dynamic Measurement (North University of China), Ministry of Education National Key Laboratory For Electronic Measurement Technology Department of Electronic Science and Technology, North Uuniversity of China, T

会议类型: 国际会议

会议名称: 第七届国际测试技术研讨会

会议地点: 北京

会议语种:英文

在线出版日期: 2007-08-05（万方平台首次上网日期，不代表论文的发表时间）