Chandra Vaidyanathan
34Patents
14h-index
11Co-inventors
78Inventor score
Filing activity: Jun 19, 2002 → Apr 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6687492B1 | System and method for antenna diversity using joint maximal ratio combining | Electricity | 203 | Expired |
| US6785520B2 | System and method for antenna diversity using equal power joint maximal ratio combining | Electricity | 110 | Expired |
| US7194237B2 | System and method for multiple-input multiple-output (MIMO) radio communication | Electricity | 110 | Expired |
| US7099678B2 | System and method for transmit weight computation for vector beamforming radio communication | Electricity | 106 | Expired |
| US6965762B2 | System and method for antenna diversity using joint maximal ratio combining | Electricity | 87 | Expired |
| US6873651B2 | System and method for joint maximal ratio combining using time-domain signal processing | Electricity | 83 | Expired |
| US7031669B2 | Techniques for correcting for phase and amplitude offsets in a MIMO radio device | Electricity | 62 | Expired |
| US6862456B2 | Systems and methods for improving range for multicast wireless communication | Electricity | 45 | Expired |
| US7079870B2 | Compensation techniques for group delay effects in transmit beamforming radio communication | Electricity | 29 | Expired |
| US8676144B2 | Adaptive interference nulling for MIMO receiver based on interference characteristics | Electricity | 29 | Active |
| US8179816B1 | System and method for high resolution indoor positioning using a narrowband RF transceiver | Electricity | 25 | Active |
| US7236750B2 | Techniques for correcting for phase and amplitude offsets in a MIMO radio device | Electricity | 22 | Expired |
| US6993299B2 | Efficiency of power amplifiers in devices using transmit beamforming | Electricity | 18 | Expired |
| US7545778B2 | Apparatus for antenna diversity using joint maximal ratio combining | Electricity | 18 | Active |
| US7573945B2 | System and method for joint maximal ratio combining using time-domain based signal processing | Electricity | 11 | Active |
| US8265011B2 | High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios | Physics | 10 | Active |
| US7570921B2 | Systems and methods for improving range for multicast wireless communication | Electricity | 9 | Active |
| US7245881B2 | System and method for antenna diversity using equal power joint maximal ratio combining | Electricity | 8 | Expired |
| US6871049B2 | Improving the efficiency of power amplifiers in devices using transmit beamforming | Electricity | 6 | Expired |
| US7565117B2 | Control of power amplifiers in devices using transmit beamforming | Electricity | 6 | Active |
| US7899414B2 | Control of power amplifiers in devices using transmit beamforming | Electricity | 5 | Active |
| US7308287B2 | Compensation techniques for group delay effects in transmit beamforming radio communication | Electricity | 5 | Active |
| US8687560B2 | Unsynchronized time-of-flight-based wireless positioning system using network broadcasts | Electricity | 3 | Active |
| US9014172B2 | High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios | Physics | 2 | Active |
| US8086199B2 | Sharing AGC loop between demodulator and spectrum analysis system | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.