System and method for IQ imbalance estimation using loopback with frequency offset
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United States of America Patent
Stats
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Oct 16, 2012
Grant Date -
Dec 31, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 30, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methods for estimating IQ imbalance in a communication system are provided. In various embodiments, a device is configured to perform a self-characterization. The self-characterization is performed over an RF loopback circuit. In some embodiments, a probe is transmitted over the RF loopback circuit. The probe uses a frequency offset such that an image related to one IQ imbalance is separated from an image related to another IQ imbalance. An imbalance estimate is calculated based on processing of the probe.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ENTROPIC COMMUNICATIONS INC | 6290 SEQUENCE DRIVE SAN DIEGO CA 92121 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Safavi, Saeid | San Diego, US | 41 | 732 |
# of filed Patents : 41 Total Citations : 732 |
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Patent Citation Ranking
- 8 Citation Count
- H04B Class
- 2.29 % this patent is cited more than
- 13 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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Feb 17, 2017 | AS | ASSIGNMENT | free format text: SECURITY INTEREST;ASSIGNOR:TELEFLEX MEDICAL INCORPORATED;REEL/FRAME:041761/0470 Owner name: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT, ILLINOIS Effective Date: Feb 17, 2017 free format text: SECURITY INTEREST;ASSIGNOR:TELEFLEX MEDICAL INCORPORATED;REEL/FRAME:041761/0470 Owner name: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT Effective Date: Feb 17, 2017 |
Sep 11, 2014 | P | Published | |
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