US 11,940,542 B2
Method of using multiple received satellite signals to compensate satellite multipath estimation error
Kun-Tso Chen, Hsinchu (TW)
Assigned to MEDIATEK INC., Hsin-Chu (TW)
Filed by MEDIATEK INC., Hsin-Chu (TW)
Filed on Feb. 14, 2022, as Appl. No. 17/670,538.
Claims priority of provisional application 63/150,589, filed on Feb. 18, 2021.
Prior Publication US 2022/0260728 A1, Aug. 18, 2022
Int. Cl. G01S 19/39 (2010.01); G01S 19/22 (2010.01); G01S 19/32 (2010.01)
CPC G01S 19/22 (2013.01) [G01S 19/32 (2013.01); G01S 19/393 (2019.08)] 26 Claims
OG exemplary drawing
 
1. A receiver, comprising:
an radio-frequency (RF) circuit, configured to receive a first satellite signal and a second satellite signal to generate a first base-band signal and a second base-band signal, respectively,
a correlator, configured to use a first local signal to integrate with the first base-band signal to generate a first correlation result, and to use a second local signal to integrate with the second base-band signal to generate a second correlation result;
a signal delay estimator, coupled to the correlator, configured to use the second correlation result to compensate the first correlation result to generate a compensated first correlation result, and determine a signal delay of the first satellite signal according to the compensated first correlation result.