US 12,010,072 B2
Timing skew calibration in time-interleaved data converters in carrier aggregation
Jun Fang, San Jose, CA (US); John Szeming Wang, Sunnyvale, CA (US); and Sian She, Lafayette, CO (US)
Assigned to Avago Technologies International Sales Pte. Limited, Singapore (SG)
Filed by Avago Technologies International Sales Pte. Limited, Singapore (SG)
Filed on Mar. 17, 2022, as Appl. No. 17/697,821.
Prior Publication US 2023/0299933 A1, Sep. 21, 2023
Int. Cl. H04L 5/14 (2006.01)
CPC H04L 5/14 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, using an analog to digital converter, one or more first frames of a first component carrier signal having a first uplink-downlink subframe pattern;
receiving, using the analog to digital converter, one or more additional frames of at least one additional component carrier signal, the one more or more additional frames including one or more second frames of a second component carrier signal, the at least one additional component carrier signal including the second component carrier signal; and
activating, using a control logic, timing skew calibration of at least one of the first or second component carrier signals based, at least in part, on an operating mode of the second component carrier signal and respective symbols of the first component carrier signal and second component carrier signal;
wherein the first uplink-downlink subframe pattern follows a repeated sequence of subframe types.