07962113 is referenced by 20 patents and cites 30 patents.

In one embodiment, a method provides multiple-tone wideband I/Q mismatch calibration. A plurality of calibration frequencies is selected within a channel. A calibration tone is applied to the channel at each of the plurality of calibration frequencies. An I/Q mismatch is estimated at each of the plurality of calibration frequencies. An n-th order filter is constructed to compensate received signals relative to the estimated I/Q mismatch related to each calibration frequency.

Title
Receiver with multi-tone wideband I/Q mismatch calibration and method therefor
Application Number
11/263280
Publication Number
7962113 (B2)
Application Date
October 31, 2005
Publication Date
June 14, 2011
Inventor
James M Nohrden
Lakeway
TX, US
Richard A Johnson
Buda
TX, US
Li Gao
Austin
TX, US
Agent
R Michael Reed
Paul J Polansky
Polansky & Associates P L L C
Assignee
Silicon Laboratories
TX, US
IPC
H04B 1/10
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