Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven J. Loughran0
Donald M. Bosch0
Randall A. Kroenke0
Charles S. Farlow0
Date of Patent
June 24, 2008
0Patent Application Number
107535020
Date Filed
January 7, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Calibration methods and structures are provided for wireless communications devices that compensate across a signal bandwidth for relative gain and phase errors between spatial communication channels while utilizing existing transceiver structures and facilitating the use of frequency-domain spatial processing. The methods and structures are directed to time-division duplex (TDD) systems, and are particularly suited to those that incorporate orthogonal frequency division multiplexing (OFDM).
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