期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 16, 期 -, 页码 2517-2520出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2017.2728369
关键词
Electromagnetic (EM) diffraction; radio propagation; wireless sensor networks
In this letter, a simplified human body model based on the scalar diffraction theory is proposed. It allows us to evaluate the effects of a moving person on the propagation of radio signals originated from a communication network deployed close by. This novel model overcomes the limitations due to size and position constraints usually employed for static knife-edge representations with paraxial approximation, without introducing the complexity of a complete electromagnetic ( EM) body simulation. The model is experimentally validated and quantifies the effects of position, size, orientation, and small movements of a human body on the received radio signal. It also evaluates the impact of source polarization. Finally, the model results are compared against full EM simulations.
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