Abstract
Recent advances in Integrated Circuits (IC) and Micro Electro Mechanical Systems (MEMS) technologies have allowed the design and construction of low-cost low-power smart sensor nodes with sensing, computing, signal processing and wireless communication capabilities that can form distributed wireless sensor network systems. Wireless sensor networks have been recognized as one of the most important technologies in the 21st century, and the systems hold the promise to revolutionize the sensing paradigm and can be used to perform detection, localization, tracking, and identification of objects in a broad spectrum of military, scientific, industrial, and home applications like infrastructure health monitoring, disaster management, and battlefield surveillance [1].
Highlights
Recent advances in Integrated Circuits (IC) and Micro Electro Mechanical Systems (MEMS) technologies have allowed the design and construction of low-cost low-power smart sensor nodes with sensing, computing, signal processing and wireless communication capabilities that can form distributed wireless sensor network systems
An essential problem in wireless sensor networks is localization or position determination, which consists of two categories of requirements: localization of the sensor nodes or the mobile units themselves and localization of intruders or objects [2]
Estimation of the incident signals’ directions, or Angle of Arrival (AOA) estimation, is potentially able to locate the signal sources in a non-cooperative, stealthy and passive manner, which is highly desirable in surveillance applications
Summary
Array Signal Processing in Wireless Sensor Networks Recent advances in Integrated Circuits (IC) and Micro Electro Mechanical Systems (MEMS) technologies have allowed the design and construction of low-cost low-power smart sensor nodes with sensing, computing, signal processing and wireless communication capabilities that can form distributed wireless sensor network systems.
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