Tones processing system in a global navigation satellite system receiver
A tones processing system including an interference tone determination module (ITDM), an interference tone tracker module (ITTM) and an interference tone removal module (ITRM) is provided. The ITDM sequentially searches for one or more continuous wave interference (CWI) tones in N samples of interme...
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| creator | Kudligi Hiramat, Vikram Thattam Kandiyil, Manjeeth Kumar, Mahesh Chinnadurai, Rajashekaran Naveen, Gowdayyanadoddi Shivaiah |
| description | A tones processing system including an interference tone determination module (ITDM), an interference tone tracker module (ITTM) and an interference tone removal module (ITRM) is provided. The ITDM sequentially searches for one or more continuous wave interference (CWI) tones in N samples of intermediate frequency (IF) data within a programmable signal frequency band. The ITTM tracks the detected CWI tones. The ITRM removes the tracked CWI tones from the N samples of IF data using one or more interference tone removal units (ITRUs). Each of the ITRUs includes a second signal generator, a second mixer, a tone filter for suppressing the tracked CWI tones, and a quantizer for reducing the number of processing bits in a tone suppressed output signal. The ITRM performs frequency shift compensation and phase rotation compensation with reduced logic area and power consumption in the global navigation satellite system, receiver. |
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The ITDM sequentially searches for one or more continuous wave interference (CWI) tones in N samples of intermediate frequency (IF) data within a programmable signal frequency band. The ITTM tracks the detected CWI tones. The ITRM removes the tracked CWI tones from the N samples of IF data using one or more interference tone removal units (ITRUs). Each of the ITRUs includes a second signal generator, a second mixer, a tone filter for suppressing the tracked CWI tones, and a quantizer for reducing the number of processing bits in a tone suppressed output signal. The ITRM performs frequency shift compensation and phase rotation compensation with reduced logic area and power consumption in the global navigation satellite system, receiver.</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231017&DB=EPODOC&CC=US&NR=11789158B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231017&DB=EPODOC&CC=US&NR=11789158B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kudligi Hiramat, Vikram</creatorcontrib><creatorcontrib>Thattam Kandiyil, Manjeeth</creatorcontrib><creatorcontrib>Kumar, Mahesh</creatorcontrib><creatorcontrib>Chinnadurai, Rajashekaran</creatorcontrib><creatorcontrib>Naveen, Gowdayyanadoddi Shivaiah</creatorcontrib><title>Tones processing system in a global navigation satellite system receiver</title><description>A tones processing system including an interference tone determination module (ITDM), an interference tone tracker module (ITTM) and an interference tone removal module (ITRM) is provided. 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Tones processing system in a global navigation satellite system receiver |
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