Joonsang Choi

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for estimating and compensating carrier frequency offset...
- Patent number 7,649,963
- Issue date Jan 19, 2010
- Posdata Co., Ltd.
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of detecting a frame boundary of a received signal in digita...
- Patent number 7,639,754
- Issue date Dec 29, 2009
- Posdata Co., Ltd.
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for searching cells utilizing down link preamb...
- Patent number 7,616,679
- Issue date Nov 10, 2009
- Posdata Co., Ltd.
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for calculating likelihood metric of a receive...
- Patent number 7,586,991
- Issue date Sep 8, 2009
- Posdata Co., Ltd.
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for selecting antenna for ranging detection in...
- Publication number 20070281654
- Publication date Dec 6, 2007
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus for estimating and compensating carrier frequency offset...
- Publication number 20070230591
- Publication date Oct 4, 2007
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of detecting a frame boundary of a received signal in digita...
- Publication number 20070230592
- Publication date Oct 4, 2007
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for searching cells utilizing down link preamb...
- Publication number 20070230590
- Publication date Oct 4, 2007
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for calculating likelihood metric of a receive...
- Publication number 20070217536
- Publication date Sep 20, 2007
- Joonsang Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE