Inventor

OVEIS GHARAN SHAHAB

CA59 patents

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

OVEIS GHARAN SHAHAB

OVEIS GHARAN SHAHAB

Digital-to-analog converter and generation of high-bandwidth analog signals

Feedback equalization with delay compensation

Staggered parity

Maximum likelihood decoding

Chain encoding and decoding of high speed signals

Forward error correction with compression coding

Forward error correction with contrast coding

Clock phase detection using interior spectral components

Nonlinear digital signal processing for additive noise removal

Pseudo frequency division multiplexing

Mitigation of narrow-band degradations in a broadband communication system

Staggered parity

Modulation formats with fractional spectral efficiency

Digital-to-analog conversion with sign modulation

Compression forward error correction coding using a tree structure

Fast estimation of chromatic dispersion

Communications with conditional chain decoding

Low-power pre-compensation of linear and nonlinear transmitter effects in narrow-spectrum optical signals

Forward error correction with compression coding

Forward error correction with compression coding

CIENA CORP

Variable spectral efficiency optical modulation schemes

Estimating clock phase error based on channel conditions

Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments

Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments

Forward error correction coding using a tree structure

Variable spectral efficiency optical modulation schemes

Minimum variance carrier recovery with increased phase noise tolerance

Assessing operating conditions of a receiver in a communication network based on forward error correction decoding properties

Forward error correction coding using a tree structure

Forward error correction with outer multi-level code and inner contrast code

Digital-to-analog converter and generation of high-bandwidth analog signals

Dimensional transformation in optical communication

Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments

BABAEE RAMIN

Training-aided feedforward channel equalization

Approximation of recursive least squares equalization

Digital-to-analog converter (DAC) architecture optimization

Digital-to-analog converter (DAC) distortion pre-compensation

ROBERTS KIM B

Optical modulation schemes having reduced nonlinear optical transmission impairments

Minimum variance carrier recovery

Single pin coherent receiver

ZHUGE QUNBI

Optical modulation schemes having reduced nonlinear optical transmission impairments

Methods and systems for reduced complexity nonlinear compensation

HARLEY JAMES

Constrained continuous phase modulation and demodulation in an optical communications system

Frequency domain multiplex optical transmission

KHANDANI AMIR

Dimensional transformation

Nguyen Tung Trong

Blind estimation of residual chromatic dispersion and carrier frequency offset

REIMER MICHAEL ANDREW

Nonlinear tolerant optical modulation formats at high spectral efficiency

SHINER ANDREW D

Assessing operating conditions of a receiver in a communication network based on forward error correction decoding properties

TAHERZADEHBOROUJENI MAHMOUD

Noise-tolerant optical modulation

SNELGROVE WILLIAM MARTIN

System and apparatus for distributing a signal to the front end of a multipath analog to digital converter