Jim Xu

Person

Plano, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for reducing call setup by roaming number caching
- Patent number 6,408,181
- Issue date Jun 18, 2002
- Nortel Networks Limited
- Joseph S. M. Ho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for enhanced call setup
- Patent number 6,314,292
- Issue date Nov 6, 2001
- Nortel Networks Limited
- Joseph S. M. Ho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for ordering subscriber records of wireless communication ne...
- Patent number 6,224,477
- Issue date May 1, 2001
- Nortel Networks Limited
- Joseph S. M. Ho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scalable wireless network architecture based on subscriber distribu...
- Patent number 6,148,201
- Issue date Nov 14, 2000
- Nortel Networks Corporation
- Hakan Ernam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for wireless network architecture based on sub...
- Patent number 6,097,951
- Issue date Aug 1, 2000
- Northern Telecom Limited
- Hakan Ernam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for tracking mobile stations in a wireless com...
- Patent number 5,943,621
- Issue date Aug 24, 1999
- Northern Telecom Limited
- Joseph Ho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel reservation and power control for improved handoff performance
- Patent number 5,805,995
- Issue date Sep 8, 1998
- Northern Telecom Limited
- Hua Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Method and system for reducing call setup by roaming number caching

Method and apparatus for enhanced call setup

Method for ordering subscriber records of wireless communication ne...

Scalable wireless network architecture based on subscriber distribu...

Method and apparatus for wireless network architecture based on sub...

Method and apparatus for tracking mobile stations in a wireless com...

Channel reservation and power control for improved handoff performance