Zhangyi Chen

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Base station system and method for call setting up, handing over an...
- Patent number 8,644,257
- Issue date Feb 4, 2014
- Alcatel Lucent
- Qunfeng Shang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station system and method for call setting up, handing over an...
- Patent number 8,189,534
- Issue date May 29, 2012
- Alcatel Lucent
- Qunfeng Shang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BASE STATION SYSTEM AND METHOD FOR CALL SETTING UP, HANDING OVER AN...
- Publication number 20120230294
- Publication date Sep 13, 2012
- Alcatel Lucent
- Qunfeng Shang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASE STATION SYSTEM AND METHOD FOR CALL SETTING UP, HANDING OVER AN...
- Publication number 20090305703
- Publication date Dec 10, 2009
- ALCATEL LUCENT
- Qunfeng Shang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE