Inventor · Shanghai, CN

Caixia Qi

39Patents
4h-index
21Co-inventors
59Inventor score

Filing activity: Nov 14, 2011 → Aug 11, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8787226B2 Method, apparatus and system for handling node failure Electricity 5 Active
US10979285B2 Service transmission method, device, and system Electricity 4 Active
US8908601B2 Paging processing method, communication apparatus, and communication system Electricity 4 Active
US9930611B2 Network selection method and core network device Electricity 4 Active
US10033547B2 Method, device, and system for controlling tunnel identifier allocation Electricity 3 Active
US11356416B2 Service flow control method and apparatus Electricity 2 Active
US9893899B2 Network connection re-establishment method, related device and system Electricity 2 Active
US8908641B2 Method, system, network element, and gateway for processing access point name restriction information Electricity 2 Active
US9504009B2 Paging processing method, communication apparatus, and communication system Electricity 1 Active
US8768386B2 Method, apparatus and system for processing short message Electricity 1 Active
US11432218B2 Handover method and system, and device Electricity 1 Active
US9706587B2 Method and apparatus for establishing direct tunnel Electricity 1 Active
US10499326B2 User equipment paging method and MME Emerging Cross-Sectional Technologies 1 Active
US11026130B2 Method, apparatus, and system for handover to circuit switched domain Electricity 0 Active
US10674349B2 Subscription update method, device, and system Electricity 0 Active
US10321355B2 Access node, mobility management network element, and paging message processing method Electricity 0 Active
US9961593B2 Method, apparatus, and system for handover to circuit switched domain Electricity 0 Active
US12127096B2 Method for performing access control on user equipment, network system, and related device Electricity 0 Active
USRE48985E1 Paging processing method, communication apparatus, and communication system General 0 Active
US11310323B2 Message processing method, apparatus, and system Electricity 0 Active
US12355671B2 Data transmission method and apparatus Electricity 0 Active
US11290944B2 Data connection method, control-plane node, and user equipment Electricity 0 Active
US12256278B2 Bearer modification method and access network device Electricity 0 Active
US11108734B2 Error indication processing and system, and device Electricity 0 Active
US10499292B2 PDN connection reestablishing method, reset central server, mobility management network element, and data gateway Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.