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Optimizing Arrays of Randomly Placed Wireless Transmitters for Proximately Located Receivers

Published

Author(s)

William F. Young, Edward E. Kuester, Christopher L. Holloway

Abstract

We are investigating the potential of using arbitrarily placed wireless transceivers to increase the probability of maintaining a communication link in an electrically harsh environment. Specifically, we adapt a well-known matrix-based array optimization technique to the case when the transmitting elements exist in a complex environment and the receiver is not in the far-field of the array. Study of array performance in a non-ideal setting represents an important step in determining the feasibility of using this optimization technique for ad hoc wireless arrays within a building. Measures of array performance consist of median values for the directivity or gain, the total power at the receiver location, and the power per transmitter. The simulation results include array performance in the presence of a lossy dielectric corner to study the effects of building floors and walls. Locating the array between two parallel perfect electric conducting (PEC) walls allows investigation of the impacts of resonance on the array. Our results show the median of the optimized directivity or gain for the frequencies of interest with simple boundaries is within 3 dB of that for the optimized configuration in free space.
Citation
IEEE Transactions on Antennas and Propagation
Volume
55
Issue
3

Keywords

ad hoc array, arbitrary array optimization, emergency responder communications, random array

Citation

Young, W. , Kuester, E. and Holloway, C. (2005), Optimizing Arrays of Randomly Placed Wireless Transmitters for Proximately Located Receivers, IEEE Transactions on Antennas and Propagation, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32244 (Accessed May 21, 2024)

Issues

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Created February 28, 2005, Updated October 12, 2021