Changqing Xu

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for direct radio frequency (RF) sampling in ne...
- Patent number 10,187,100
- Issue date Jan 22, 2019
- Huawei International PTE. Ltd.
- Harya Wicaksana
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for demodulating a modulated signal
- Patent number 7,541,966
- Issue date Jun 2, 2009
- Oki Techno Centre (Singapore) Pte. Ltd.
- Xu Changqing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR DIRECT RADIO FREQUENCY (RF) SAMPLING IN NE...
- Publication number 20180212635
- Publication date Jul 26, 2018
- HUAWEI INTERNATIONAL PTE. LTD.
- Harya WICAKSANA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR DEMODULATING A MODULATED SIGNAL
- Publication number 20080062029
- Publication date Mar 13, 2008
- Xu Changqing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for estimating phase offset in a communication sy...
- Publication number 20070192048
- Publication date Aug 16, 2007
- Oki Techno Centre (Singapore) Pte Ltd.
- Saigui Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Intermediate frequency receivers
- Publication number 20070047673
- Publication date Mar 1, 2007
- Oki Techno Centre (Singapore) Pte Ltd.
- Changqing Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DPSK demodulator and method
- Publication number 20070024477
- Publication date Feb 1, 2007
- Changqing Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE