Inventor · Schaumburg, IL, US

Frederick Vook

96Patents
25h-index
73Co-inventors
91Inventor score

Filing activity: Mar 1, 1994 → Nov 8, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5982327A Adaptive array method, device, base station and subscriber unit Electricity 254 Expired
US6141393A Method and device for channel estimation, equalization, and interference suppression Electricity 246 Expired
US6927728B2 Method and apparatus for multi-antenna transmission Electricity 194 Expired
US6765969B1 Method and device for multi-user channel estimation Electricity 172 Expired
US6834043B1 Method and device for exploiting transmit diversity in time varying wireless communication systems Electricity 142 Expired
US5625882A Power management technique for determining a device mode of operation Emerging Cross-Sectional Technologies 106 Expired
US6826240B1 Method and device for multi-user channel estimation Electricity 95 Expired
US7221722B2 Method and apparatus for reducing interference within a communication system Electricity 89 Expired
US6987819B2 Method and device for multiple input/multiple output transmit and receive weights for equal-rate data streams Electricity 86 Expired
US5560021A Power management and packet delivery method for use in a wireless local area network (LAN) Electricity 86 Expired
US6912195B2 Frequency-domain MIMO processing method and system Electricity 82 Expired
US5636220A Packet delivery method for use in a wireless local area network (LAN) Emerging Cross-Sectional Technologies 79 Expired
US6362781B1 Method and device for adaptive antenna combining weights Electricity 78 Expired
US7426175B2 Method and apparatus for pilot signal transmission Electricity 77 Expired
US6647078B1 Method and device for multi-user frequency-domain channel estimation based on gradient optimization techniques Electricity 76 Expired
US6504506B1 Method and device for fixed in time adaptive antenna combining weights Electricity 72 Expired
US5583866A Method for delivering broadcast packets in a frequency hopping local area network Emerging Cross-Sectional Technologies 71 Expired
US5509027A Synchronization method in a frequency hopping local area network having dedicated control channels Electricity 60 Expired
US7573805B2 Data transmission and reception method and apparatus Electricity 57 Active
US6885708B2 Training prefix modulation method and receiver Electricity 39 Expired
US5513210A Method for controlling channel access priorities in a frequency hopping local area network Electricity 30 Expired
US7643832B2 Method and apparatus for reference signal selection in a cellular system Electricity 29 Expired
US6445342B1 Method and device for multi-user frequency-domain channel estimation Electricity 27 Expired
US6757337B2 Coding-assisted MIMO joint detection and decoding Electricity 26 Expired
US7773535B2 Method and apparatus for closed loop transmission Electricity 25 Active

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