Inventor · Durham, NC, US

Kambiz Zangi

76Patents
18h-index
40Co-inventors
84Inventor score

Filing activity: Dec 3, 1991 → Jul 15, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7460834B2 Method and apparatus for utilizing a directional beam antenna in a wireless transmit/receive unit Electricity 191 Expired
US7308264B2 Method for identifying pre-candidate cells for a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system Electricity 183 Active
US7274936B2 Method and apparatus for measuring channel quality using a smart antenna in a wireless transmit/receive unit Electricity 182 Expired
US7751838B2 Method and mobile station for synchronizing to a common synchronization channel and obtaining a channel estimate Electricity 144 Active
US6198775A Transmit diversity method, systems, and terminals using scramble coding Electricity 128 Expired
US7197282B2 Mobile station loop-back signal processing Electricity 102 Expired
US7099822B2 System and method for noise reduction having first and second adaptive filters responsive to a stored vector Physics 59 Expired
US7162420B2 System and method for noise reduction having first and second adaptive filters Physics 54 Expired
US8107965B2 Distributed computation of precoding weights for coordinated multipoint transmission on the downlink Electricity 51 Active
US6625236B1 Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions Electricity 32 Expired
US6597743B1 Reduced search symbol estimation algorithm Electricity 29 Expired
US6731619B1 Method and system for using one type of transmit diversity in a first time slot and a second type in an adjacent time slot Electricity 26 Expired
US6775322B1 Equalizer with adaptive pre-filter Electricity 24 Expired
US5999573A Wideband channelization with variable sampling frequency Electricity 21 Expired
US5293425A Active noise reducing Physics 20 Expired
US6778619B2 Methods for receiving diversity transmissions including prefiltering to provide minimum phase channel characteristics and related receivers Electricity 19 Expired
US6996375B2 Transmit diversity and separating multiple loopback signals Electricity 19 Expired
US6608862B1 Method and apparatus for computing prefilter coefficients Electricity 18 Expired
US6590932B1 Methods, receiver devices and systems for whitening a signal disturbance in a communication signal Electricity 17 Expired
US6005900A Wideband channelization using subsampled discrete fourier transforms Electricity 15 Expired
US6674820B1 Receiver devices, systems and methods for receiving communication signals subject to colored noise Electricity 14 Expired
US6725024B1 Offset local oscillator frequency Electricity 14 Expired
US6798853B1 System and method for compensating for frequency offset Electricity 13 Expired
US7313409B2 Method and apparatus for transmit power control during beam switching Electricity 12 Expired
US8320359B2 Synchronization channel scheme for super 3G Electricity 9 Active

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