Ultra wide band device for detection and avoidance of ultra wide band signal
US8311167B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Aug 2, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/0006
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Example embodiments are directed to a method for detection and avoidance (DAA) of an ultra wide band (UWB) signal and a UWB terminal. The method includes: shifting a data signal by a desired frequency in a first direction; filtering the shifted data signal through a notch filter; and shifting the filtered data signal by the desired frequency in a second direction, the second direction being opposite to the first direction. The UWB terminal comprises an encoder for encoding data signals; a tone nulling unit for changing at least one tone of the plurality of tones into a null tone; an inverted fast Fourier transformer; a low pass filter for filtering the inverted fast Fourier transformed data signals; a filter circuit for attenuating an intensity of the low pass filtered signal; and a radio frequency (RF) circuit for transmitting the filtered signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.