Inventor

LI CHUANDONG

CA61 patents

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

LI CHUANDONG

HUAWEI TECH CO LTD

Hybrid digital multi-band optical receiver and transmitter

System and method for optical network

Method and apparatus for robust clock recovery in coherent optical systems

Direct-detected orthogonal frequency-division multiplexing with dispersion pre-compensation digital signal processing

Methods and apparatuses to improve reception of direct detection optical signals

Carrier-signal power ratio control in direct detection optical systems

Bit loading for optical discrete multi-tone transmission

Systems and methods for compensating polarization dependent loss (PDL) in dual polarized communication network

Systems and methods for processing a subcarrier-multiplexed signal

Methods and apparatuses for controlling optical signals in optical networks

Method and system for compressing and employing pattern dependent look-up table

System and method for interference cancellation in optical transmission

System and method for single-stage frequency-domain equalization

Method and apparatus for low-complexity symbol-rate receiver digital signal processing

Clock synchronization apparatus, optical transmitter, optical receiver, and clock synchronization method

Generating a pilot tone for an optical telecommunications system

Hitless, multi-rate optical transmission and reception

System and method for optical network

Transmitter apparatus and method

System and method for a multi-wavelength coherent receiver

FUTUREWEI TECHNOLOGIES INC

Single carrier flexible bit rate transceiver for coherent optical network

Linear dispersion polarization-time codes and equalization in polarization multiplexed coherent optical system

Method and apparatus for recovering time-domain hybrid modulated QAM signals

Coherent waveform conversion in optical networks

Channel estimation for optical orthogonal frequency division multiplexing systems

Low-complexity, adaptive, fractionally spaced equalizer with non-integer sampling

Chromatic dispersion estimation for digital coherent optical receivers

Hitless, multi-rate optical transmission and reception

LI CHUANDONG

Method and apparatus for carrier phase estimation and correction in a coherent optical system

Method and system for discrete multi-tone transmission with multiple modulations

Method and apparatus for frequency domain equalization with low complexity and loop delay

Method with improved phase robustness in coherent detected optical system

Method and apparatus of using joint timing recovery for a coherent optical system

Clock recovery method for polarization multiplexed coherent optical communications

ZHANG ZHUHONG

Method and apparatus for broadband carrier frequency and phase recovery in coherent optical system

Side band pilot tone for digital signal processing in polarization multiplexed coherent optical communication system

ZAMANI MAHDI

Method and apparatus for residual phase noise compensation

Apparatus and method for transmitting and receiving wireless signals subject to a spectral mask

HARLEY JAMES

Optical communications system having chromatic dispersion and polarization mode dispersion compensation

Programmable phase detector for sequence equalizer for optical channels

CHEN YUANJIE

Method and apparatus for updating a fractional time interval using time-domain interpolators in optical communications

Method and apparatus for frame detection and polarization separation

KE JIANHONG

Method and apparatus of low-complexity pattern dependent lookup table pre-compensation

Method and apparatus for transmit/receive radio frequency crosstalk compensation in a photonic integrated circuit

HUAWEI TECHNOLOGIES CANADA CO LTD

Method and apparatus with improved estimation accuracy and robustness for fine frequency offset estimation in coherent receivers

ALI SHAH SYED FAISAL

Fractionally spaced adaptive equalizer with non-integer sampling

ABUGHALIEH NASHAT

Partially disjoint equalization and carrier recovery

JIANG ZHIPING

Generating a pilot tone for an optical telecommunications system

APPLE INC

Processing information blocks for wireless transmission

TEE LAI-KING

Processing information blocks for wireless transmission