Satellite signal adaptive time-division multiplexing receiving device
First Claim
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1. A satellite signal adaptive time-division multiplexing receiving device comprising:
- a correlator correlating an input signal with a PN code signal in time-division multiplexing time slots to try hypotheses of domains of code phase, Doppler frequency, satellite number and accuracy;
a memory for storing a correlation result of the correlator; and
a receiver controller outputting a disable signal to deactivate the correlator during at least one of the time-division multiplexing time slots when a specific prerequisite of the code phase, Doppler frequency, satellite number or accuracy is satisfied.
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Abstract
A satellite signal adaptive time-division multiplexing receiving device is disclosed. The receiving device operates in time-division multiplexing distributed for various domains such as satellite number, Doppler frequency, code phase and accuracy. When some specific time slots of the time-division multiplexing distribution are unnecessary to be searched, the receiving device uses a disable signal to deactivate specific components such as correlator and memory thereof during those time slots to reduce power consumption.
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Citations
15 Claims
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1. A satellite signal adaptive time-division multiplexing receiving device comprising:
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a correlator correlating an input signal with a PN code signal in time-division multiplexing time slots to try hypotheses of domains of code phase, Doppler frequency, satellite number and accuracy; a memory for storing a correlation result of the correlator; and a receiver controller outputting a disable signal to deactivate the correlator during at least one of the time-division multiplexing time slots when a specific prerequisite of the code phase, Doppler frequency, satellite number or accuracy is satisfied. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification