Multiple modulated spur cancellation apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 26, 2020
Grant Date -
Dec 14, 2017
app pub date -
Jun 10, 2016
filing date -
Jun 10, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus of a wireless device can include baseband processing circuitry configured to generate a digitized downconverted signal based on a received radio frequency (RF) signal. The apparatus can also include estimation circuitry configured to detect a blocker signal in the downconverted signal, the blocker signal having power that exceeds a pre-determined threshold, and map the detected blocker signal to a plurality of harmonic frequencies associated with two or more carrier frequencies. The apparatus can include reference signal generation circuitry configured to generate a reference signal based on the plurality of harmonic frequencies and the received RF signal. The apparatus can include cancellation circuitry configured to apply a pre-processed reference signal (based on the reference signal) to the digitized downconverted signal to remove distortion associated with the detected blocker signal. The digitized downconverted signal is a baseband signal or an intermediate frequency (IF) signal.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- H04L Class
- 37326 Applications Filed
- 27972 Patents Issued To-Date
- 74.94 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04L Class
- 0 % this patent is cited more than
- 5 Age
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