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Guangdong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
IP switching based distributed radio network controller
Patent number
7,647,072
Issue date
Jan 12, 2010
Utstarcom (China) Co., Ltd.
Xiyuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for voice handling via dynamic home agents in a n...
Patent number
7,376,128
Issue date
May 20, 2008
Utstarcom (China) Co., Ltd.
Xiyuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Ip Switching Based Distributed Radio Network Controller
Publication number
20070263636
Publication date
Nov 15, 2007
UTSTARCOM (CHINA) CO. LTD.
Xiyuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for implementing macro-diversity management by using intelli...
Publication number
20070077929
Publication date
Apr 5, 2007
UTSTARCOM (CHINA) CO., LTD.
Xiyuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice calling handling method using dynamic home agency technology...
Publication number
20060171371
Publication date
Aug 3, 2006
Xiyuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE