Inventor · San Jose, CA, US

Haixiang Liang

32Patents
6h-index
37Co-inventors
69Inventor score

Filing activity: Nov 14, 1996 → Mar 8, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6018755A Efficient implementation of an FIR filter on a general purpose processor Electricity 58 Expired
US5864545A System and method for improving convergence during modem training and reducing computational load during steady-state modem operations Electricity 42 Expired
US8149904B2 Asymmetric digital subscriber line modem apparatus and methods therefor Electricity 24 Active
US6496572B1 Call-waiting tone detection technique Electricity 18 Expired
US6333974A Detection of a call-waiting tone by a modem Electricity 9 Expired
US8842991B2 Method of providing end-to end connection in a unified optical and coaxial network Electricity 7 Active
US6961372B2 Non-iterative time-domain equalizer Electricity 6 Expired
US7054379B2 Data scrambler generation of pseudo-random bit sequence for semi-stationary Q-mode signal Electricity 5 Expired
US6209013A Efficient implementation of a filter Electricity 5 Expired
US6504865B1 Digital connection detection technique Electricity 3 Expired
US9473339B2 Performing upstream symbol alignment under FEXT Electricity 2 Active
US6704400B1 Call-waiting tone detection technique Electricity 2 Expired
US9020145B2 MIMO mechanism for strong FEXT mitigation Electricity 2 Active
US7397845B1 Impairment compensation sequence for communication Electricity 2 Expired
US6618739B1 Digital filter implementation suitable for execution, together with application code, on a same processor Electricity 2 Expired
US7190727B1 Categorization of impairments affecting a communication channel Electricity 2 Expired
US9985685B2 Power spectrum density optimization Electricity 1 Active
US7203248B1 Impairment sensitive selection of constellation points for communication across a channel Electricity 1 Expired
US7075980B2 Digital connection detection technique Electricity 1 Expired
US9935684B2 Performing upstream symbol alignment under FEXT Electricity 1 Active
US8732675B2 Operational analysis system for a communication device Electricity 1 Active
US8964884B2 Power control in linear precoder design for MIMO DSL transmission Electricity 1 Active
US7398288B2 Efficient implementation of a filter Electricity 1 Expired
US8335180B1 Method and apparatus for synchronizing and/or starting access points for adaptive time division multiplexing on a multi-channel wireline medium with colocated transceivers Electricity 0 Active
US7593476B2 Data scrambler generation of pseudo-random bit sequence for semi-stationary Q-mode signal Electricity 0 Active

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