Inventor · Fremont, CA, US

Hongyuan Zhang

909Patents
35h-index
109Co-inventors
89Inventor score

Filing activity: Sep 30, 2005 → Apr 29, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8724720B2 Methods and apparatus for WLAN transmission Electricity 197 Active
US8144647B2 Access point with simultaneous downlink transmission of independent data for multiple client stations Electricity 154 Active
US8270909B2 Sounding and steering protocols for wireless communications Electricity 146 Active
US8437440B1 PHY frame formats in a system with more than four space-time streams Electricity 140 Active
US8867653B2 Physical layer frame format for long range WLAN Electricity 115 Active
US8472383B1 Group management in multiuser communications Electricity 100 Active
US8149811B2 Wireless network with simultaneous uplink transmission of independent data from multiple client stations Electricity 87 Active
US8948283B2 Sounding packet format for long range WLAN Electricity 86 Active
US8599803B1 Open loop multiple access for WLAN Electricity 85 Active
US8660497B1 Beamsteering in a spatial division multiple access (SDMA) system Electricity 84 Active
US8571010B1 Simultaneous uplink transmission in a wireless network Electricity 83 Active
US8886755B1 Method and apparatus for facilitating simultaneous transmission from multiple stations Electricity 80 Active
US8462863B1 Midamble for WLAN PHY frames Electricity 78 Active
US8184052B1 Digital beamforming scheme for phased-array antennas Electricity 73 Active
US9166660B2 Uplink multi-user multiple input multiple output beamforming Electricity 66 Active
US8773969B1 Multi-radio device for WLAN Electricity 64 Active
US8331419B2 Efficient physical layer preamble format Electricity 55 Active
US8670399B2 Determining a communication channel from a plurality of possible channel bandwidths Electricity 52 Active
US8724546B2 Training sequence indication for WLAN Electricity 51 Active
US8787338B2 Determining a communication channel from a plurality of possible channel bandwidths Electricity 50 Active
US7729439B2 Calibration correction for implicit beamforming in a wireless MIMO communication system Electricity 49 Active
US9876614B1 Hybrid automatic repeat request for wireless local area network Electricity 48 Active
US8498362B2 Channel sounding and estimation strategies for antenna selection in MIMO systems Electricity 46 Active
US7610036B2 Space-time-frequency sensing of RF spectrum in cognitive radios Electricity 46 Active
US9854607B1 Method and apparatus for performing dynamic clear channel assessent (CCA), and distinguishing wireless communications among different basic service sets Electricity 45 Active

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