Method and apparatus for processing satellite signals at a satellite positioning system receiver
First Claim
Patent Images
1. A method of processing satellite signals in a satellite positioning system (SPS) receiver, comprising:
- correlating the satellite signals against pseudorandom reference codes to produce correlation results;
detecting whether the SPS receiver is in a motion condition or a stationary condition; and
coherently integrating the correlation results in accordance with a coherent integration period, where a value of the coherent integration period depends on the movement of the SPS receiver.
0 Assignments
0 Petitions
Accused Products
Abstract
Method and apparatus for processing satellite signals in an SPS receiver is described. In one example, the satellite signals are correlated against pseudorandom reference codes to produce correlation results. A determination is made whether the SPS receiver is in a motion condition or a stationary condition. The correlation results are coherently integrated in accordance with a coherent integration period. The coherent integration period is a value that depends upon the motion condition of the SPS receiver.
-
Citations
18 Claims
-
1. A method of processing satellite signals in a satellite positioning system (SPS) receiver, comprising:
-
correlating the satellite signals against pseudorandom reference codes to produce correlation results;
detecting whether the SPS receiver is in a motion condition or a stationary condition; and
coherently integrating the correlation results in accordance with a coherent integration period, where a value of the coherent integration period depends on the movement of the SPS receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. Apparatus for processing satellite signals in a satellite positioning system (SPS) receiver, comprising:
-
a correlator for correlating the satellite signals against pseudorandom reference codes to produce correlation results;
a motion detection module for detecting whether the SPS receiver is in a motion condition or a stationary condition;
integration circuits for coherently integrating the correlation results in accordance with a coherent integration period; and
control logic for setting the coherent integration period to a value that depends on the movement of the SPS receiver. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
-
Specification