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US 2017/0289537 A1Published application
Signal Detection Method and Signal Detection Device
AssigneeMStar Semiconductor, Inc.
InventorsChih-Hsun LIN, Fang-Ming YANG, Chih-Cheng KUO, Tai-Lai TUNG
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Abstract
A signal detection method detects a digital signal in a channel. The signal detection method includes: performing a power operation and a frequency transformation operation on a signal of the channel to obtain at least one frequency-domain power set; and determining whether the channel carries the digital signal according to the at least one frequency-domain power set.
Claims18
A signal detection method, detecting a digital signal in a channel, comprising:
- performing a power operation and a frequency transformation operation on a signal of the channel to obtain at least one frequency-domain magnitude set;
- and
- determining whether the channel carries the digital signal according to the at least one frequency-domain magnitude set.
A signal detection device, detecting a digital signal of a channel, comprising:
- a power operation circuit;
- a frequency transformation circuit, coupled to the power operation circuit;
- a magnitude operation circuit, coupled to the frequency transformation circuit, wherein the power operation circuit, the frequency transformation circuit and the magnitude operation circuit perform a power operation, a frequency transformation operation and a magnitude operation on a signal of the channel, respectively, to obtain at least one frequency-domain magnitude set;
- and
- a determination circuit, determining whether the channel carries the digital signal according to the at least one frequency-domain magnitude set.
2 more elements
Dependencies are inferred from the claim text.