Junqiang Hu
53Patents
7h-index
38Co-inventors
68Inventor score
Filing activity: Aug 1, 2007 → Mar 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8098990B2 | System and method for providing wireless over a passive optical network (PON) | Electricity | 14 | Active |
| US9654852B2 | Scalable hybrid packet/circuit switching network architecture | Electricity | 9 | Active |
| US8781326B2 | Energy efficient OFDM transceiver | Electricity | 9 | Active |
| US9450612B2 | Encoding method and system for quasi-cyclic low-density parity-check code | Electricity | 9 | Active |
| US8233809B2 | Polarization independent frequency domain equalization (FDE) for chromatic dispersion (CD) compensation in PolMux coherent systems | Electricity | 8 | Active |
| US7978975B2 | Passive optical network system employing sub-carrier multiplexing and orthogonal frequency division multiple access modulation schemes | Electricity | 7 | Active |
| US8000604B2 | Orthogonal frequency division multiple access (OFDMA) based passive optical network (PON) architecture and its extension to long distance | Electricity | 7 | Active |
| US8233797B2 | Single wavelength source-free OFDMA-PON communication systems and methods | Electricity | 5 | Active |
| US8023824B2 | Wavelength division multiplexed passive optical network | Electricity | 5 | Active |
| US9414135B2 | Flexible-client, flexible-line interface transponder | Electricity | 5 | Active |
| US8184973B2 | Direct detection for receiving polarization multiplexing signals | Electricity | 4 | Active |
| US9369409B2 | End-to-end hitless protection in packet switched networks | Electricity | 4 | Active |
| US8260140B2 | WDM passive optical network with parallel signal detection for video and data delivery | Electricity | 4 | Active |
| US9094148B2 | Adaptive optical amplifier for WDM systems | Electricity | 3 | Active |
| US10797789B2 | Distributed fiber sensing interrogator with detachable end | Electricity | 2 | Active |
| US9544667B2 | Burst switching system using optical cross-connect as switch fabric | Electricity | 2 | Active |
| US8213794B2 | Programmable optical network architecture | Electricity | 2 | Active |
| US11391622B2 | Optical fiber sensing system with reduced spatial resolution and noise for multiple application uses | Physics | 2 | Active |
| US8718490B2 | Coherent optical orthogonal frequency division multiplexing (OFDM) reception using self optical carrier extraction | Electricity | 1 | Active |
| US9025467B2 | Hitless protection for traffic received from 1+1 protecting line cards in high-speed switching systems | Electricity | 1 | Active |
| US11054303B2 | Uni-directional signal transmit method using distributed fiber sensing | Physics | 1 | Active |
| US9369202B2 | Elastic client interface for tunable optical transponder | Electricity | 0 | Active |
| US9609400B2 | Reconfigurable and variable-rate shared multi-transponder architecture for flexible ethernet-based optical networks | Emerging Cross-Sectional Technologies | 0 | Active |
| US8880985B2 | High-speed long codeword QC-LDPC soft decision decoder | Electricity | 0 | Active |
| US9537757B2 | Adding link aggregation group to hitless protection in packet switched networks | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.