Inventor · Seoul, KR

Sunghyun Choi

70Patents
14h-index
132Co-inventors
87Inventor score

Filing activity: Dec 8, 2000 → Dec 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7206840B2 Dynamic frequency selection scheme for IEEE 802.11 WLANs Electricity 98 Expired
US6795418B2 Wireless MAC protocol based on a hybrid combination of slot allocation, token passing, and polling for isochronous traffic Electricity 96 Expired
US7120092B2 System and method for performing clock synchronization of nodes connected via a wireless local area network Electricity 59 Expired
US6985465B2 Dynamic channel selection scheme for IEEE 802.11 WLANs Electricity 57 Expired
US6978151B2 Updating path loss estimation for power control and link adaptation in IEEE 802.11h WLAN Electricity 51 Expired
US7221681B2 Apparatus and method for providing IEEE 802.11e hybrid coordinator recovery and backoff rules Electricity 45 Expired
US7164671B2 Overlapping network allocation vector (ONAV) for avoiding collision in the IEEE 802.11 WLAN operating under HCF Electricity 40 Expired
US7120138B2 Dynamic frequency selection with recovery for a basic service set network Electricity 37 Expired
US7054329B2 Collision avoidance in IEEE 802.11 contention free period (CFP) with overlapping basic service sets (BSSs) Electricity 33 Expired
US7274707B2 Coexistence of stations capable of different modulation schemes in a wireless local area network Electricity 28 Expired
US6967944B2 Increasing link capacity via concurrent transmissions in centralized wireless LANs Electricity 26 Expired
US7471667B2 Coexistence of modulation schemes in a WLAN Electricity 17 Expired
US7245592B2 Aligning 802.11e HCF and 802.11h TPC operations Electricity 16 Expired
US9924503B2 Method and apparatus for performing device-to-device communication in wireless communication system Electricity 14 Active
US7336634B2 Method and system for generating and updating transmission rate for link adaptation in IEEE 802.11 WLAN Electricity 14 Expired
US7274759B2 Antenna switching based on a preamble MSE metric Electricity 7 Expired
US8054813B2 Method of transmitting aggregated MAC MPDUs in WLAN system and system therefor Electricity 7 Active
US9642128B2 Method and apparatus for performing device-to-device communication in wireless communication system Electricity 7 Active
US7688847B2 Expected channel occupancy time as a wireless link metric Electricity 5 Active
US9577075B2 Method of manufacturing semiconductor device using plasma doping process and semiconductor device manufactured by the method Electricity 5 Active
US9967810B2 Method for transmitting discovery message in wireless communication system and apparatus for same Electricity 5 Active
US10021654B2 Method for controlling power and apparatus therefor in wireless communication system supporting device-to-device communication Electricity 5 Active
US7236502B2 Internal signaling method to support clock synchronization of nodes connected via a wireless local area network Electricity 4 Expired
US7801544B2 Noise margin information for power control and link adaptation in IEEE 802.11h WLAN Electricity 4 Expired
US8054851B2 Method for detecting hidden station in a wireless communication network and system therefor Electricity 3 Active

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