Patent assignee · FI · COMPANY

Nokia Siemens Networks Oy

482Patents
418Active
482Granted
59Portfolio score

Filing activity: Apr 15, 1998 → Dec 22, 2015 · 327 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7293060B2 Electronic disc jockey service Physics 234 Expired
US8955051B2 Signalling method for communication networks, corresponding network, devices and computer program product Electricity 218 Active
US7471247B2 Antenna array and unit cell using an artificial magnetic layer Electricity 215 Active
US8744339B2 Wireless telecommunication system including a base station, relay node and method for global fair scheduling Electricity 129 Active
US8295710B2 Optical I-Q-modulator Electricity 102 Active
US8306423B2 Method and optical network component for signal processing in an optical network and communication system Electricity 99 Active
US8873399B2 Gateway network element, a method, and a group of load balanced access points configured for load balancing in a communications network Electricity 75 Active
US8229473B1 Geo-fence Electricity 58 Active
US8149756B2 Method, apparatus and computer program product providing randomized relay network Electricity 58 Active
US7778979B2 Method and apparatus for compressing log record information Physics 58 Expired
US8045926B2 Multi-transceiver architecture for advanced Tx antenna monitoring and calibration in MIMO and smart antenna communication systems Electricity 52 Active
US7450951B2 Method and arrangement for locating a mobile station in a packet-switched network and a mobile station utilizing said method Electricity 50 Expired
US7458095B2 Faster authentication with parallel message processing Electricity 43 Expired
US9094180B2 Channel-adaptive transmission in a distributed coordinated multi-point transmission system Electricity 42 Active
US8515495B2 MIMO communication system Electricity 42 Active
US7272168B2 Determining the correlation between received samples and available replica samples Electricity 41 Expired
US7917157B2 Location services for mobile communication system Electricity 39 Expired
US7984183B2 Distributed database system using master server to generate lookup tables for load distribution Electricity 39 Active
US8055820B2 Apparatus, system, and method for designating a buffer status reporting format based on detected pre-selected buffer conditions Electricity 38 Active
US8798021B2 Hierarchical network and interference management Electricity 37 Active
US8166063B2 Query routing in distributed database system Electricity 37 Active
US8538433B2 Method, radio system, and base station Electricity 37 Active
US8599711B2 Reference signal port discovery involving transmission points Electricity 33 Active
US7640036B2 Method for performing inter-system handovers in a mobile communication system Electricity 30 Active
US8976704B2 Method, system and nodes for network topology detection in communication networks Electricity 28 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.