Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Karl Hakan Torbjorn Gardenfors0
Sven Mattisson0
Jacobus Cornelis Haartsen0
Date of Patent
August 23, 2011
Patent Application Number
12501616
Date Filed
July 13, 2009
Patent Primary Examiner
Patent abstract
An entire radio transceiver can be completely integrated into one IC chip. In order to integrate the IF filters on the chip, a heterodyne architecture with a low IF is used. A single, directly modulated VCO is used for both up-conversion during transmission, and down-conversion during reception. Bond-wires are used as resonators in the oscillator tank for the VCO. A TDD scheme is used in the air interface to eliminate cross-talk or leakage. A Gaussian-shaped binary FSK modulation scheme is used to provide a number of other implementation advantages.
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