# Wei-Hung He

## Wei-Hung He, Kaohsiung City TW

Patent application number | Description | Published |
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20100124242 | PSEUDO NOISE CODE TRACKING CIRCUIT AND PSEUDO NOISE CODE TRACKING METHOD - A pseudo noise code (PN code) tracking circuit includes a first correlator, a storage device, a second correlator and a detector. The first correlator is utilized for performing correlation on a first PN code in a first signal frame with a local PN code to generate a first set of correlation values, and for performing correlation on a second PN code in a second signal frame with the local PN code to generate a second set of correlation values. The storage device is coupled to the first correlator for storing the first and second sets of correlation values. The second correlator is coupled to the storage device for performing correlation on the first set of correlation values with the second set of correlation values to generate a shift value. The detector is coupled to the second correlator for generating a frame number according to the shift value. | 05-20-2010 |

20100124268 | SINGLE-CARRIER/MULTI-CARRIER COMMUNITY RECEIVER AND RELATED SIGNAL PROCESSING METHOD - A single-carrier/multi-carrier community receiver includes a discrete Fourier transform unit, a frequency-domain equalizer, an inverse discrete Fourier transform unit and an inter-symbol interference (ISI) cancellation unit. The discrete Fourier transform unit is utilized for executing a discrete Fourier transform upon a received signal to generate a frequency-domain signal. The frequency-domain equalizer is utilized for executing an equalization operation upon the frequency-domain signal to generate a frequency-domain equalized signal. The inverse discrete Fourier transform unit is utilized for executing an inverse discrete Fourier transform upon the frequency-domain equalized signal to generate a time-domain equalized signal. The ISI cancellation unit is utilized for executing an ISI cancellation operation upon the time-domain equalized signal to generate an ISI-cancelled signal. | 05-20-2010 |

20100128769 | NOISE ESTIMATION APPARATUS AND RELATED METHOD THEREOF - A noise estimation apparatus and method thereof includes an evaluation circuit, a first calculation circuit, a second calculation circuit, and a mean calculation circuit. The evaluation circuit is utilized for determining which constellation point on a constellation diagram each received symbol in a communication signal corresponds to for purposes of generating a relevant evaluated symbol and outputting an evaluated signal. The first calculation circuit is for generating an error output signal according to the communication signal and the evaluated signal, wherein the error output signal includes a plurality of error calculation values. The second calculation circuit is utilized for adjusting at least a portion of the plurality of error calculation values of the error output signal in order to output an adjusted error output signal. The mean calculation circuit is utilized for averaging the adjusted error output signal in order to generate a noise estimation result. | 05-27-2010 |

20100128774 | SINGLE CARRIER/MULTI CARRIER COMMUNITY RECEIVER - A single carrier/ multi carrier community receiver includes: a first discrete Fourier transform unit, for generating a frequency-domain signal by executing a first discrete Fourier transform on a received signal received via the single carrier/multi carrier; a first frequency-domain equalizer, for generating a first equalized frequency-domain signal by executing a first equalizing process on the frequency-domain signal; an inverse discrete Fourier transform unit, coupled to the first frequency-domain equalizer, for generating a first equalized time-domain signal executing an inverse discrete Fourier transform according to the first equalized frequency-domain signal; a slicer, coupled to the inverse discrete Fourier transform unit, for generating a sliced time-domain signal by executing a slicing process according to the first equalized time-domain signal; and a compensating circuit, for compensating the first equalized frequency-domain signal or the first equalized time-domain signal at least according to the sliced time-domain signal. | 05-27-2010 |

20100266076 | FREQUENCY OFFSET ACQUISITION METHOD AND APPARATUS THEREOF - A frequency offset acquisition method includes: receiving a specific sequence signal transmitted through a channel; shifting a frequency of the specific sequence signal at a plurality of different frequencies in frequency domain to thereby generate a plurality of shifted sequence signals respectively; and determining an estimated frequency offset value between a transmitter and a receiver according to the shifted sequence signals. | 10-21-2010 |

## Wei-Hung He, Taipei Hsien TW

Patent application number | Description | Published |
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20080247495 | MULTI-SYSTEM SIGNAL RECEIVING DEVICE AND METHOD THEREOF - A receiving device includes: a first signal processor, for receiving a radio frequency signal, and converting the radio frequency signal to generate a first signal, where the radio frequency signal includes a plurality of frames; a second signal processor, coupled to the first signal processor, for performing a Fourier transform operation on the first signal according to a synchronization signal to generate an output signal; a first filter, coupled to the first signal processor, for filtering the first signal to generate a second signal; and a synchronization detection circuit, coupled to the first filter, for detecting the second signal to generate the synchronization signal. The first signal includes a channel signal and at least a portion of neighboring channel signals from neighboring channels, and the output signal corresponds to the channel signal. | 10-09-2008 |

20080253483 | METHOD FOR RECEIVING SIGNAL AND APPARATUS THEREOF - A signal receiving apparatus includes a frequency converting circuit, a computing circuit, and a control circuit. The frequency converting circuit is for converting a RF signal to respectively generate a first converted signal and a second converted signal according to a first converting frequency and a second converting frequency. The computing circuit is for computing signal quality parameters of the first converted signal and the second converted signal. The control circuit is for outputting a control signal according to the signal quality parameters of the first converted signal and the second converted signal, wherein the control signal corresponds to the converting frequency of the frequency converting circuit. | 10-16-2008 |

## Wei-Hung He, Taipei County TW

Patent application number | Description | Published |
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20080256588 | Integrated digital broadcasting receiver system - An audiovisual processing system comprises a signal receiving circuit and a host device. The signal receiving circuit comprises a tuner and a demodulator. The tuner generates a tuned signal based on a radio frequency signal. The demodulator generates a digital signal based on the tuned signal, generates a frequency down-converted signal based on the digital signal, generates an audio processing signal based on the frequency down-converted signal in an audio processing mode, generates a demodulated video signal based on the frequency down-converted signal in a video processing mode, generates an output signal based on the audio processing signal in the audio processing mode, and generates the output signal based on the demodulated video signal in the video processing mode. The host device receives the output signal, and generates a demodulated audio signal based on the output signal in the audio processing mode. | 10-16-2008 |