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:
Dec. 01, 2015
Filed:
Oct. 10, 2012
Altera Corporation, San Jose, CA (US);
Lei Xu, High Wycombe, GB;
Altera Corporation, San Jose, CA (US);
Abstract
Systems and methods are disclosed for reducing memory usage and increasing the throughput in variable-size Fast Fourier Transform (FFT) architectures. In particular, 3D symmetric virtual memory is disclosed to exploit the structure inherent in variable-size FFT computations. Data samples may be written to and read from the 3D symmetric virtual memory in a specific sequence of coordinates that exploits the structure inherent in variable-size FFT computations. Memory locations in the 3D symmetric virtual memory may be mapped to memory address in a 1D buffer using an address generation circuit.
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