Inventor
WARRIER CHANDRA
US16 patents
⚠️ This page may combine multiple inventors who share the name “WARRIER CHANDRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UTSTARCOM INC
15 patentsUS6829473B2Dec 7, 2004
Roaming and hand-off support for prepaid billing for wireless data networks
UTSTARCOM INC198 citations99
US6684256B1Jan 27, 2004
Routing method for mobile wireless nodes having overlapping internet protocol home addresses
UTSTARCOM INC115 citations98
US7082130B2Jul 25, 2006
System and method for point-to-point protocol device redundancey
UTSTARCOM INC62 citations96
US7080151B1Jul 18, 2006
Method and system for mobile IP home agent redundancy by using home agent control nodes for managing multiple home agents
UTSTARCOM INC157 citations96
US6973309B1Dec 6, 2005
Method and system for re-direction and handoff for pre-paid mobile services in third generation networks
UTSTARCOM INC210 citations96
US6795705B1Sep 21, 2004
Hot standby protocol for wireless devices
UTSTARCOM INC61 citations96
US6978128B1Dec 20, 2005
System and method to allow simple IP mobile nodes to operate seamlessly in a mobile IP network with true roaming capabilities
UTSTARCOM INC98 citations94
US6707809B1Mar 16, 2004
Method for forwarding data to idle mobile nodes, and home agent control node for use in the method
UTSTARCOM INC123 citations94
US7426202B2Sep 16, 2008
Routing method for mobile wireless nodes having overlapping internet protocol home addresses
UTSTARCOM INC34 citations92
US7218609B2May 15, 2007
Method and system of transferring session speed and state information between access and home networks
UTSTARCOM INC28 citations92
US7173905B1Feb 6, 2007
PDSN fast tunnel lookup
UTSTARCOM INC24 citations92
US7324499B1Jan 29, 2008
Method and system for automatic call monitoring in a wireless network
UTSTARCOM INC62 citations91
US7184530B2Feb 27, 2007
Prepaid billing support for simultaneous communication sessions in data networks
UTSTARCOM INC31 citations86
US7403475B1Jul 22, 2008
Method and apparatus for allocating data packet pathways
UTSTARCOM INC11 citations82
US7426389B2Sep 16, 2008
Method and apparatus for implementing direct routing
UTSTARCOM INC0 citations47