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Methods and QAM receiver for performing timing recovery
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems. Linköping University, Faculty of Science & Engineering.
2015 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

A method in a QAM receiver (100) for performing timing recovery. The QAM receiver (100) is configured to receive a sequence of symbols. Each symbol is represented by a respective IQ pair comprising a respective inphase component I and a respective quadrature component Q. The QAM receiver (100) samples the respective I component and the respective Q component with a relative timing offset between the sampling of the respective I component and the respective Q component. The QAM receiver (100) establishes a first value associated to a quality of the I component samples, and a second value associated to a quality of the Q component samples, and compares the first value and second value to determine if the sampling timing should be advanced or delayed to improve the sample quality. The QAM receiver (100) adjusts subsequent sampling by advancing or delaying a sampling timing based on the comparison.

Place, publisher, year, edition, pages
2015.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-122713OAI: oai:DiVA.org:liu-122713DiVA, id: diva2:872005
Patent
US 9,001,949 (2015-04-07)Available from: 2015-11-17 Created: 2015-11-17 Last updated: 2019-04-22Bibliographically approved

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Svensson, Christer

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