Inventor
LIU CHUNG ZIN
US24 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHUNG ZIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUCENT TECHNOLOGIES INC
15 patentsUS6061337AMay 9, 2000
System and method for CDMA handoff using telemetry to determine the need for handoff and to select the destination cell site
LUCENT TECHNOLOGIES INC279 citations98
US6434139B1Aug 13, 2002
Method for optimizing mobile wireless communications routed across plural interconnected networks
LUCENT TECHNOLOGIES INC129 citations97
US6392999B1May 21, 2002
Conferencing and announcement generation for wireless VoIP and VoATM calls
LUCENT TECHNOLOGIES INC87 citations97
US5943332AAug 24, 1999
Method for implementing virtual private wireless telecommunications networks
LUCENT TECHNOLOGIES INC117 citations97
US6002679ADec 14, 1999
Method for assigning feature sets on virtual private telecommunications networks
LUCENT TECHNOLOGIES INC79 citations95
US6377572B1Apr 23, 2002
Virtual resource allocation method and apparatus for wireless data communication systems
LUCENT TECHNOLOGIES INC27 citations92
US5905953AMay 18, 1999
Method for implementing private wireless telecommunications networks
LUCENT TECHNOLOGIES INC26 citations92
US6405040B1Jun 11, 2002
Implementing and selecting between virtual private wireless telecommunications networks
LUCENT TECHNOLOGIES INC51 citations90
US7062265B1Jun 13, 2006
Architecture to support service features for wireless calls in a wireless telecommunication system
LUCENT TECHNOLOGIES INC20 citations89
US6625153B1Sep 23, 2003
Distributed cellular communication system architecture for the co-existence of multiple technologies
LUCENT TECHNOLOGIES INC15 citations84
US7013129B2Mar 14, 2006
Queuing for radio channel availability
LUCENT TECHNOLOGIES INC17 citations81
US6285877B1Sep 4, 2001
Cellular call processor having concurrent instances of call models to support mixed media communication connections
LUCENT TECHNOLOGIES INC14 citations74
US5949770ASep 7, 1999
Method for assigning feature sets on virtual private telecommunications networks
LUCENT TECHNOLOGIES INC15 citations73
US6658255B1Dec 2, 2003
Enhanced wireless radio channel utilization
LUCENT TECHNOLOGIES INC9 citations70
US6434382B2Aug 13, 2002
Cellular call processor having concurrent instances of call models to support mixed media communication connections
LUCENT TECHNOLOGIES INC3 citations63
ALCATEL LUCENT USA INC
4 patentsUS7844728B2Nov 30, 2010
Packet filtering/classification and/or policy control support from both visited and home networks
ALCATEL LUCENT USA INC248 citations96
US7586857B2Sep 8, 2009
Fast network SIP/SDP procedures for conference operations upon request from end user with optimization of network resources
ALCATEL LUCENT USA INC33 citations92
US7920523B2Apr 5, 2011
Method of supporting quality-of-service application session continuity during inter-technology handover using a common packet data function
ALCATEL LUCENT USA INC21 citations90
US7978683B2Jul 12, 2011
Method of transferring call transition messages between network controllers of different radio technologies
ALCATEL LUCENT USA INC18 citations82