Shahab Oveis Gharan

Person

Ottawa, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Digital-to-analog converter (DAC) distortion pre-compensation
- Patent number 11,876,525
- Issue date Jan 16, 2024
- Ciena Corporation
- Ramin Babaee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Probabilistic constellation shaping of multi-dimensional symbols fo...
- Patent number 11,831,431
- Issue date Nov 28, 2023
- Ciena Corporation
- Hamid Ebrahimzad
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital-to-analog converter (DAC) architecture optimization
- Patent number 11,817,873
- Issue date Nov 14, 2023
- Ciena Corporation
- Ramin Babaee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Forward error correction with outer multi-level code and inner cont...
- Patent number 11,652,566
- Issue date May 16, 2023
- Ciena Corporation
- Shahab Oveis Gharan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Blind estimation of residual chromatic dispersion and carrier frequ...
- Patent number 11,451,304
- Issue date Sep 20, 2022
- Ciena Corporation
- Tung Trong Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Techniques for enhanced clock recovery
- Patent number 11,451,367
- Issue date Sep 20, 2022
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low-power pre-compensation of linear and nonlinear transmitter effe...
- Patent number 11,336,367
- Issue date May 17, 2022
- IENA CORPORATION
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulation formats with fractional spectral efficiency
- Patent number 11,277,206
- Issue date Mar 15, 2022
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Approximation of recursive least squares equalization
- Patent number 11,239,929
- Issue date Feb 1, 2022
- Ciena Corporation
- Ramin Babaee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback equalization with delay compensation
- Patent number 11,233,568
- Issue date Jan 25, 2022
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital-to-analog conversion with sign modulation
- Patent number 11,233,523
- Issue date Jan 25, 2022
- Ciena Corporation
- Shahab Oveis Gharan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Forward error correction with compression coding
- Patent number 11,201,695
- Issue date Dec 14, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Blind estimation of residual chromatic dispersion and carrier frequ...
- Patent number 11,190,277
- Issue date Nov 30, 2021
- Ciena Corporation
- Tung Trong Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock phase detection using interior spectral components
- Patent number 11,126,219
- Issue date Sep 21, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fast estimation of chromatic dispersion
- Patent number 11,121,769
- Issue date Sep 14, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Assessing operating conditions of a receiver in a communication net...
- Patent number 11,082,157
- Issue date Aug 3, 2021
- Ciena Corporation
- Andrew D. Shiner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compression forward error correction coding using a tree structure
- Patent number 11,070,312
- Issue date Jul 20, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Nonlinear digital signal processing for additive noise removal
- Patent number 11,038,599
- Issue date Jun 15, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Forward error correction with compression coding
- Patent number 10,992,416
- Issue date Apr 27, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating clock phase error based on channel conditions
- Patent number 10,985,900
- Issue date Apr 20, 2021
- Ciena Corporation
- Ahmad Abdo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Training-aided feedforward channel equalization
- Patent number 10,938,483
- Issue date Mar 2, 2021
- Ciena Corporation
- Ramin Babaee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dimensional transformation in optical communication
- Patent number 10,903,903
- Issue date Jan 26, 2021
- Ciena Corporation
- Amir Keyvan Khandani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Probabilistic constellation shaping of multi-dimensional symbols fo...
- Patent number 10,848,269
- Issue date Nov 24, 2020
- Ciena Corporation
- Hamid Ebrahimzad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pseudo frequency division multiplexing
- Patent number 10,826,605
- Issue date Nov 3, 2020
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fast estimation of chromatic dispersion
- Patent number 10,819,432
- Issue date Oct 27, 2020
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable spectral efficiency optical modulation schemes
- Patent number 10,735,135
- Issue date Aug 4, 2020
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Forward error correction with compression coding
- Patent number 10,615,913
- Issue date Apr 7, 2020
- Ciena Corporation
- Shahab Oveis Gharan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Communications with conditional chain decoding
- Patent number 10,484,131
- Issue date Nov 19, 2019
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pseudo frequency division multiplexing
- Patent number 10,419,109
- Issue date Sep 17, 2019
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Minimum variance carrier recovery with increased phase noise tolerance
- Patent number 10,396,902
- Issue date Aug 27, 2019
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...
- Publication number 20240048270
- Publication date Feb 8, 2024
- CIENA CORPORATION
- Hamid EBRAHIMZAD
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL-TO-ANALOG CONVERTER (DAC) DISTORTION PRE-COMPENSATION
- Publication number 20230370077
- Publication date Nov 16, 2023
- CIENA CORPORATION
- Ramin BABAEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL-TO-ANALOG CONVERTER (DAC) ARCHITECTURE OPTIMIZATION
- Publication number 20230370079
- Publication date Nov 16, 2023
- CIENA CORPORATION
- Ramin BABAEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ASSESSING OPERATING CONDITIONS OF A RECEIVER IN A COMMUNICATION NET...
- Publication number 20220321247
- Publication date Oct 6, 2022
- CIENA CORPORATION
- Andrew D. SHINER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TECHNIQUES FOR ENHANCED CLOCK RECOVERY
- Publication number 20220294604
- Publication date Sep 15, 2022
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULATION FORMATS WITH FRACTIONAL SPECTRAL EFFICIENCY
- Publication number 20220085894
- Publication date Mar 17, 2022
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...
- Publication number 20220069919
- Publication date Mar 3, 2022
- Hamid EBRAHIMZAD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FORWARD ERROR CORRECTION WITH COMPRESSION CODING
- Publication number 20210234634
- Publication date Jul 29, 2021
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FAST ESTIMATION OF CHROMATIC DISPERSION
- Publication number 20210152242
- Publication date May 20, 2021
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ASSESSING OPERATING CONDITIONS OF A RECEIVER IN A COMMUNICATION NET...
- Publication number 20210126734
- Publication date Apr 29, 2021
- CIENA CORPORATION
- Andrew D. SHINER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK PHASE DETECTION USING INTERIOR SPECTRAL COMPONENTS
- Publication number 20210109563
- Publication date Apr 15, 2021
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Variable Spectral Efficiency Optical Modulation Schemes
- Publication number 20210083798
- Publication date Mar 18, 2021
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pseudo Frequency Division Multiplexing
- Publication number 20200313764
- Publication date Oct 1, 2020
- CIENA CORPORATION
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dimensional Transformation in Optical Communication
- Publication number 20200304211
- Publication date Sep 24, 2020
- CIENA CORPORATION
- Amir Keyvan KHANDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FORWARD ERROR CORRECTION WITH COMPRESSION CODING
- Publication number 20200195377
- Publication date Jun 18, 2020
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Forward Error Correction with Outer Multi-Level Code and Inner Cont...
- Publication number 20200145149
- Publication date May 7, 2020
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...
- Publication number 20200119840
- Publication date Apr 16, 2020
- CIENA CORPORATION
- Hamid Ebrahimzad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable Spectral Efficiency Optical Modulation Schemes
- Publication number 20200036475
- Publication date Jan 30, 2020
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATIONS WITH CONDITIONAL CHAIN DECODING
- Publication number 20190190651
- Publication date Jun 20, 2019
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FORWARD ERROR CORRECTION WITH COMPRESSION CODING
- Publication number 20190081730
- Publication date Mar 14, 2019
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FORWARD ERROR CORRECTION WITH CONTRAST CODING
- Publication number 20190052403
- Publication date Feb 14, 2019
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VARIABLE SPECTRAL EFFICIENCY OPTICAL MODULATION SCHEMES
- Publication number 20170272207
- Publication date Sep 21, 2017
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STAGGERED PARITY
- Publication number 20170093528
- Publication date Mar 30, 2017
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FREQUENCY DOMAIN MULTIPLEX OPTICAL TRANSMISSION
- Publication number 20170019183
- Publication date Jan 19, 2017
- CIENA CORPORATION
- James HARLEY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MITIGATION OF NARROW-BAND DEGRADATIONS IN A BROADBAND COMMUNICATION...
- Publication number 20170012704
- Publication date Jan 12, 2017
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Minimum Variance Carrier Recovery with Increased Phase Noise Tolerance
- Publication number 20170005734
- Publication date Jan 5, 2017
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NONLINEAR TOLERANT OPTICAL MODULATION FORMATS AT HIGH SPECTRAL EFFI...
- Publication number 20160373190
- Publication date Dec 22, 2016
- CIENA CORPORATION
- Michael Andrew Reimer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCED COMPLEXITY NONLINEAR COMPENSATION
- Publication number 20160233963
- Publication date Aug 11, 2016
- CIENA CORPORATION
- Qunbi ZHUGE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MAXIMUM LIKELIHOOD DECODING
- Publication number 20160204902
- Publication date Jul 14, 2016
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STAGGERED PARITY
- Publication number 20160164632
- Publication date Jun 9, 2016
- CIENA Corporation
- Shahab OVEIS GHARAN
- G06 - COMPUTING CALCULATING COUNTING

Shahab Oveis Gharan

Person

Patents Grantslast 30 patents

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

Probabilistic constellation shaping of multi-dimensional symbols fo...

Digital-to-analog converter (DAC) architecture optimization

Forward error correction with outer multi-level code and inner cont...

Blind estimation of residual chromatic dispersion and carrier frequ...

Techniques for enhanced clock recovery

Low-power pre-compensation of linear and nonlinear transmitter effe...

Modulation formats with fractional spectral efficiency

Approximation of recursive least squares equalization

Feedback equalization with delay compensation

Digital-to-analog conversion with sign modulation

Forward error correction with compression coding

Blind estimation of residual chromatic dispersion and carrier frequ...

Clock phase detection using interior spectral components

Fast estimation of chromatic dispersion

Assessing operating conditions of a receiver in a communication net...

Compression forward error correction coding using a tree structure

Nonlinear digital signal processing for additive noise removal

Forward error correction with compression coding

Estimating clock phase error based on channel conditions

Training-aided feedforward channel equalization

Dimensional transformation in optical communication

Probabilistic constellation shaping of multi-dimensional symbols fo...

Pseudo frequency division multiplexing

Fast estimation of chromatic dispersion

Variable spectral efficiency optical modulation schemes

Forward error correction with compression coding

Communications with conditional chain decoding

Pseudo frequency division multiplexing

Minimum variance carrier recovery with increased phase noise tolerance

Patents Applicationslast 30 patents

Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...

DIGITAL-TO-ANALOG CONVERTER (DAC) DISTORTION PRE-COMPENSATION

DIGITAL-TO-ANALOG CONVERTER (DAC) ARCHITECTURE OPTIMIZATION

ASSESSING OPERATING CONDITIONS OF A RECEIVER IN A COMMUNICATION NET...

TECHNIQUES FOR ENHANCED CLOCK RECOVERY

MODULATION FORMATS WITH FRACTIONAL SPECTRAL EFFICIENCY

Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...

FORWARD ERROR CORRECTION WITH COMPRESSION CODING

FAST ESTIMATION OF CHROMATIC DISPERSION

ASSESSING OPERATING CONDITIONS OF A RECEIVER IN A COMMUNICATION NET...

CLOCK PHASE DETECTION USING INTERIOR SPECTRAL COMPONENTS

Variable Spectral Efficiency Optical Modulation Schemes

Pseudo Frequency Division Multiplexing

Dimensional Transformation in Optical Communication

FORWARD ERROR CORRECTION WITH COMPRESSION CODING

Forward Error Correction with Outer Multi-Level Code and Inner Cont...

Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...

Variable Spectral Efficiency Optical Modulation Schemes

COMMUNICATIONS WITH CONDITIONAL CHAIN DECODING

FORWARD ERROR CORRECTION WITH COMPRESSION CODING

FORWARD ERROR CORRECTION WITH CONTRAST CODING

VARIABLE SPECTRAL EFFICIENCY OPTICAL MODULATION SCHEMES

STAGGERED PARITY

FREQUENCY DOMAIN MULTIPLEX OPTICAL TRANSMISSION

MITIGATION OF NARROW-BAND DEGRADATIONS IN A BROADBAND COMMUNICATION...

Minimum Variance Carrier Recovery with Increased Phase Noise Tolerance

NONLINEAR TOLERANT OPTICAL MODULATION FORMATS AT HIGH SPECTRAL EFFI...

REDUCED COMPLEXITY NONLINEAR COMPENSATION

MAXIMUM LIKELIHOOD DECODING

STAGGERED PARITY