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Ibiquity Digital Corporation patents (2015 archive)


Recent patent applications related to Ibiquity Digital Corporation. Ibiquity Digital Corporation is listed as an Agent/Assignee. Note: Ibiquity Digital Corporation may have other listings under different names/spellings. We're not affiliated with Ibiquity Digital Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Ibiquity Digital Corporation-related inventors


11/26/15 / #20150341049

Method and apparatus for transmission and reception of in-band on-channel radio signals including complementary low density parity check coding

A method includes: constructing complementary low density parity check codewords by generating a first codeword having a first code rate; and partitioning the first codeword by assigning groups of bits of the first codeword to four quarter-partitions, wherein each of the quarter partitions includes bits in one half of one of four independently decodable semi-codewords each having a second code rate that is larger than the first code rate. Receivers that receive signals produced by the method are also disclosed.. ... Ibiquity Digital Corporation

10/22/15 / #20150303956

First adjacent canceller (fac) with improved blending using a parametric filter

A method for processing a radio signal includes: receiving an fm in-band on-channel radio signal including a plurality of digitally modulated subcarriers in upper and lower sidebands; sampling the fm in-band on-channel radio signal to produce an input signal including complex digital samples of a combination of a desired one the upper and lower sidebands and an fm interferer; removing fm interferer components from the first signal by notch filtering to produce a notch-filtered signal; weighting the notch-filtered signal to produce a weighted notch-filtered signal; using a parametric filter to filter the input signal to produce a parametric-filtered input signal; and combining the weighted notch-filtered signal and the parametric-filtered input signal to produce an output signal. A radio receiver that implements the method is also included.. ... Ibiquity Digital Corporation








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