Communications: directive radio wave systems and devices (e.g. – Clutter elimination – Mti
Patent
1997-04-03
1999-09-07
Teska, Kevin J.
Communications: directive radio wave systems and devices (e.g.,
Clutter elimination
Mti
342359, 39550039, 455506, G06F 1750
Patent
active
059499885
ABSTRACT:
A method for simulating RF energy distribution comprises obtaining a binary tree representation of a geometric environment in three-dimensions and forming a 3-D geometric database model therefrom, obtaining one or more specified receive locations within the 3-D geometric database model where RF energy distribution is desirable, simulating the propagation of an RF signal within the geometric database model, the RF signal being represented as a beam having magnitude and direction, the propagation including querying the database model to trace the beam in the geometric environment; and, determining one or more intersections of the traced beam with one or more receive locations to determine RF energy distribution at the receive locations.
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Raymond J. Luebbers, Propagation for Hilly Terrain Using Wedge Diffraction, in IEEE Transactions on Antennas and Propagation, vol. Ap.-32, No. 9, (Sep. 1984).
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Vinko Ereeg, A.J. Rustako, Jr. and R.S. Roman, Diffraction Around Corners and Its Effects on the Microcell Coverage Area in Urban and Suburban Environments at 900 MHZ, 2 Ghz, and 6 Ghz, in IEEE Transactions on Vehicular Technology, vol. 43, No. 3. Aug. 1994.
Bruce Naylor, Constructing Good Partitioning Trees, Graphics Interface, Toronto,Canada, May 1993 AT&T Bell Laboratories.
Feisullin Farid
Naylor Bruce
Raukumar Ajay
Rogers Lois
Lucent Technologies - Inc.
Phan Thai
Teska Kevin J.
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