Inventor

WU KUANG-TSAN

CA104 patents

⚠️ This page may combine multiple inventors who share the name “WU KUANG-TSAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WU KUANG-TSAN

NORTEL NETWORKS LTD

High-speed digital signal processing in a coherent optical receiver

Signal acquisition in a coherent optical receiver

Low conversion rate digital dispersion compensation

Non-linear equalizer in a coherent optical receiver

Polarization compensation in a coherent optical receiver

Equalization strategy for dual-polarization optical transport system

Method for quadrature phase angle correction in a coherent receiver of a dual-polarization optical transport system

Clock recovery from an optical signal with dispersion impairments

Carrier recovery in a coherent optical receiver

Method and apparatus for a signal power control in a wireless communication system

Clock recovery from an optical signal with polarization impairments

Optical transmission system using Raman amplification

Efficient data transmission and training of data processing functions

Method and apparatus for a carrier frequency control in a wireless communication system

Frequency agile transmitter and receiver architecture for DWDM systems

INFINERA CORP

Channel carrying multiple digital subcarriers

Transmission of subcarriers having different modulation formats

Detecting and correcting cycle slips to minimize system penalty

Frequency domain coded modulation with polarization interleaving for fiber nonlinearity mitigation in digital sub-carrier coherent optical communication systems

Hub-leaf laser synchronization

Clock recovery for digital subcarriers for optical networks

Time division multiple access optical subcarriers

Synchronization for subcarrier communication

Distribution matching for probabilistic constellation shaping with an arbitrary input/output alphabet

Nonlinear tolerant constant modulus multi-dimensional modulation formats for coherent optical communication systems

Clock recovery for digital subcarriers for optical networks

Frequency division multiple access optical subcarriers

Independently routable digital subcarriers with configurable spacing for optical communication networks

Synchronization for subcarrier communication

Synchronization for subcarrier communication

SUN HAN HENRY

Frequency domain clock recovery

Method, system, and apparatus for interpolating an output of an analog-to-digital converter

Processing three-quadrature amplitude modulation (3QAM) traffic using a four-bit phase modulation scheme

PMD and chromatic dispersion tolerant clock recovery

PMD-insensitive method of chromatic dispersion estimation for a coherent receiver

Method, system, and apparatus for carrier synchronization of QAM modulated signals

WU KUANG-TSAN

Wavelength division multiplexed optical communication system having variable channel spacings

Wavelength division multiplexed optical communication system architectures

Individually routable digital subcarriers

Upsampling optical transmitter

Wavelength division multiplexed optical communication system having variable channel spacings and different modulation formats

CIENA CORP

Laser control in a coherent optical receiver

Automatic gain control in a coherent optical receiver

Low conversion rate digital dispersion compensation

SUN HAN

Clock recovery with channel coefficients

Clock recovery with channel coefficients

Optical transmitter error reduction using receiver feedback

NORTHERN TELECOM LTD

Method of quadrature-phase amplitude modulation

Carrier lock detector for a QAM system

UNIV OTTAWA

Efficiency data transmission technique