The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 2008
Filed:
Apr. 07, 2005
James P. Durbano, Newark, DE (US);
John Humphrey, Newark, DE (US);
Fernando E. Ortiz, Newark, DE (US);
Dennis W. Prather, Newark, DE (US);
James P. Durbano, Newark, DE (US);
John Humphrey, Newark, DE (US);
Fernando E. Ortiz, Newark, DE (US);
Dennis W. Prather, Newark, DE (US);
EM Photonics, Inc., Newark, DE (US);
Abstract
A hardware-based acceleration platform for computational electromagnetic algorithms, specifically the finite-difference time-domain ('FDTD') method, comprises reformulating the FDTD algorithm in order to make it more hardware friendly. This reformulation makes use of split fields at every node in the mesh, and combines total- and scattered-field formulations into a single, hybrid formulation. By precomputing coefficients for the nodes in the mesh, it is possible for a single set of equations to support plane waves, point sources, PML ABCs, and PEC walls. In the method sources are determined by means of a lookup table, rather than through direct hardware computations. All of these modifications enable the hardware designer to much more easily develop an FDTD accelerator.