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US 2009/0153330 A1Published application
Demodulating module, rfid system utilizing the demodulating module and method thereof
AssigneeMStar Semiconductor, Inc.
InventorChien-Sheng Chen
Life of this patent
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Abstract
A demodulating module includes: a processing unit, for generating a control signal; and a demodulator, coupled to the processing unit and stored with a plurality of correlative coefficient masks, for receiving a data signal, selecting one of the correlative coefficient masks according to the control signal, generating a demodulated signal according to the data signal and the selected correlative coefficient mask, and transmitting the demodulated signal to the processing unit.
Claims20
An RFID system, comprising:
- an antenna, for receiving an RF signal;
- an RFID front end module, for transforming the RF signal into a data signal;
- a processing unit, for generating a control signal;
- and
- a demodulator, coupled to the processing unit and stored with a plurality of correlative coefficient masks, for receiving a data signal, selecting one of the correlative coefficient masks according to the control signal, generating a demodulated signal according to the data signal and the selected correlative coefficient mask, and transmitting the demodulated signal to the processing unit.
2 more elements
A demodulating module, comprising:
- a processing unit, for generating a control signal;
- and
- a demodulator, coupled to the processing unit and stored with a plurality of correlative coefficient masks, for receiving a data signal, selecting one of the correlative coefficient masks according to the control signal, generating a demodulated signal according to the data signal and the selected correlative coefficient mask, and transmitting the demodulated signal to the processing unit.
A demodulating method, comprising steps of:
- (a) providing a plurality of correlative coefficient masks;
- (b) receiving a data signal;
- (c) selecting one of the correlative coefficient masks;
- and
- (d) generating a demodulated signal according to the data signal and the selected correlative coefficient mask.
2 more elements
Dependencies are inferred from the claim text.