Inventor · Richardson, TX, US

William Semper

31Patents
7h-index
11Co-inventors
62Inventor score

Filing activity: Aug 14, 1998 → Jul 28, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7379739B2 Apparatus and method for selecting a handoff base station in a wireless network Electricity 73 Expired
US6657984B1 System and method providing backward compatibility of radio link protocols in a wireless network Electricity 48 Expired
US6546001B1 Medium access control message acknowledgment system and method of operation thereof Electricity 28 Expired
US8036241B2 Method and system for contention resolution in telecommunication networks Electricity 14 Active
US8098597B2 IAS-based configuration for UMB Femto devices Electricity 8 Active
US7047010B2 System and method for providing rescue channel communications between base stations in a wireless communication system Electricity 8 Expired
US7526320B2 Method and system for providing communication between a mobile switching center and a mobile station operating in a data mode using an IP-based network interface Electricity 8 Active
US7561896B2 Method and system for origination signaling in a wireless network Electricity 6 Expired
US7813315B2 Spectrum sharing in a wireless communication network Electricity 6 Active
US7483436B2 System and method for establishing mobile station-to-mobile station packet data calls directly between base stations of a wireless network Electricity 3 Active
US6904028B1 System and method for sending intermittent messages on the A-interface Electricity 3 Expired
US8891455B2 Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signaling Electricity 2 Active
US7280500B2 System and method for synchronizing broadcast transmissions from wireless base stations Electricity 2 Expired
US7133674B2 Apparatus and method for reactivating multiple packet data sessions in a wireless network Emerging Cross-Sectional Technologies 2 Expired
US7570961B2 Apparatus and method for reactivating multiple packet data sessions in a wireless network Emerging Cross-Sectional Technologies 2 Active
US8391217B2 Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signaling Electricity 2 Active
US7899028B2 Method and system for synchronizing data transmissions in IP-based networks Electricity 2 Active
US7457266B2 System and method for routing data packets in a 1xEV-DV wireless network Electricity 1 Expired
US8837441B2 Versatile system for WLAN/CDMA2000 interworking Electricity 1 Active
US8379550B2 Location based femtocell device configuration and handoff Electricity 1 Active
US7826407B2 Versatile system for efficient version control messaging in a wireless radio access network Electricity 0 Active
US8483193B2 Legacy mobile station support on sip-based FEMTO device Electricity 0 Active
US8446893B2 Enhanced coexistence beacon protocol (ECBP) for precise intercell synchronization of overlapping wireless base stations Electricity 0 Active
US7558241B2 System and method for fast packet data connection setup Electricity 0 Active
US8059590B2 Bandwidth allocation and soft handoff in multi-hop cellular communication networks Electricity 0 Active

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