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Systems And Methods For Using Not Perfectly Polarized Bit Channels In Parallel Polar Codes App 20220247514 - EBRAHIMZAD; Hamid ;   et al. | 2022-08-04 |
Method and apparatus for coherent transmitter calibration Grant 11,381,444 - Ng , et al. July 5, 2 | 2022-07-05 |
Clock Synchronization Apparatus, Optical Transmitter, Optical Receiver, and Clock Synchronization Method App 20220116115 - Chen; Jun ;   et al. | 2022-04-14 |
Apparatus and method for in-phase and quadrature skew calibration in a coherent transceiver Grant 11,277,207 - Ng , et al. March 15, 2 | 2022-03-15 |
Systems and methods for phase noise mitigation in optical superchannels Grant 11,271,659 - Jana , et al. March 8, 2 | 2022-03-08 |
Parallel polar code with shared data and cooperative decoding Grant 11,265,019 - Ebrahimzad , et al. March 1, 2 | 2022-03-01 |
Systems And Methods For Phase Noise Mitigation In Optical Superchannels App 20220060262 - JANA; Mrinmoy ;   et al. | 2022-02-24 |
Device And Method For Real-time Calibration And Compensation For Transmitter Power Imbalance In A Coherent Transceiver App 20220021463 - TANG; Xuefeng ;   et al. | 2022-01-20 |
System, method and apparatus for Multi-Band Faster-than-Nyquist scheme-based communication Grant 11,153,139 - Medra , et al. October 19, 2 | 2021-10-19 |
Apparatus and method for in-phase and quadrature skew calibration in a coherent transceiver Grant 11,088,766 - Ng , et al. August 10, 2 | 2021-08-10 |
Method And Apparatus For Coherent Transmitter Calibration App 20210119850 - NG; WING CHAU ;   et al. | 2021-04-22 |
Efficient implementation of noise whitening post-compensation for narrowband-filtered signals Grant 10,826,731 - Medra , et al. November 3, 2 | 2020-11-03 |
Hybrid digital multi-band optical receiver and transmitter Grant 10,686,547 - Li , et al. | 2020-06-16 |
Trellis based processing for robust digital multiband transmission Grant 10,680,718 - Zamani , et al. | 2020-06-09 |
Methods and apparatuses for controlling optical signals in optical networks Grant 10,673,528 - Jiang , et al. | 2020-06-02 |
System and method for adaptive channel equalization in a time varying channel Grant 10,615,881 - Abughalieh , et al. | 2020-04-07 |
Efficient Implementation Of Noise Whitening Post-compensation For Narrowband-filtered Signals App 20200106648 - MEDRA; AHMED MOHAMED IBRAHIM ;   et al. | 2020-04-02 |
Low cost intensity-modulated direct-detection (IMDD) optical transmitter and receiver Grant 10,574,382 - Jiang , et al. Feb | 2020-02-25 |
System and method for optical network Grant 10,506,311 - Jiang , et al. Dec | 2019-12-10 |
System and method for turbo equalization and decoding in a receiver Grant 10,491,432 - Medra , et al. Nov | 2019-11-26 |
System And Method For Adaptive Channel Equalization In A Time Varying Channel App 20190296832 - ABUGHALIEH; NASH'AT ;   et al. | 2019-09-26 |
Trellis Based Processing for Robust Digital Multiband Transmission App 20190199443 - Zamani; Mahdi ;   et al. | 2019-06-27 |
Generating a pilot tone for an optical telecommunications system Grant 10,298,323 - Jiang , et al. | 2019-05-21 |
Generating a pilot tone for an optical telecommunications system Grant 10263699 - | 2019-04-16 |
Low Cost Intensity-Modulated Direct-Detection (IMDD) Optical Transmitter and Receiver App 20190109667 - Jiang; Zhiping ;   et al. | 2019-04-11 |
Optical transceiver, communication system, and adaptive frequency control method Grant 10,187,155 - Jiang , et al. Ja | 2019-01-22 |
Generating A Pilot Tone For An Optical Telecommunications System App 20180183518 - JIANG; Zhiping ;   et al. | 2018-06-28 |
Method and apparatus for robust clock recovery in coherent optical systems Grant 9,998,274 - Zamani , et al. June 12, 2 | 2018-06-12 |
Optical Transceiver, Communication System, And Adaptive Frequency Control Method App 20180138980 - JIANG; ZHIPING ;   et al. | 2018-05-17 |
Method and Apparatus for Robust Clock Recovery in Coherent Optical Systems App 20180091288 - Zamani; Mahdi ;   et al. | 2018-03-29 |
Generating a pilot tone for an optical telecommunications system Grant 9,929,805 - Jiang , et al. March 27, 2 | 2018-03-27 |
Apparatus and method for blind LOFO estimation in coherent optical receiver Grant 9,871,597 - Nader Tehrani , et al. January 16, 2 | 2018-01-16 |
Generating A Pilot Tone For An Optical Telecommunications System App 20170331551 - JIANG; Zhiping ;   et al. | 2017-11-16 |
Clock tone power boosting Grant 9,813,087 - Torbatian , et al. November 7, 2 | 2017-11-07 |
Chromatic dispersion estimation for digital coherent optical receivers Grant 9,800,348 - Zamani , et al. October 24, 2 | 2017-10-24 |
System and method for optical switching Grant 9,794,657 - Jiang , et al. October 17, 2 | 2017-10-17 |
Apparatus and Method for Blind LOFO Estimation in Coherent Optical Receiver App 20170294971 - Nader Tehrani; Mohsen ;   et al. | 2017-10-12 |
Apparatus and method for unified mitigation of correlative additive and multiplicative noise Grant 9,787,408 - Zamani , et al. October 10, 2 | 2017-10-10 |
Method and apparatus for low-complexity quasi-reduced state soft-output equalizer Grant 9,774,400 - Mitra , et al. September 26, 2 | 2017-09-26 |
Fractionally Spaced Adaptive Equalizer With Non-Integer Sampling App 20170257234 - Ali Shah; Syed Faisal ;   et al. | 2017-09-07 |
Fractionally spaced adaptive equalizer with non-integer sampling Grant 9,755,864 - Ali Shah , et al. September 5, 2 | 2017-09-05 |
Hitless, multi-rate optical transmission and reception Grant 9,755,761 - Zhang , et al. September 5, 2 | 2017-09-05 |
System and method for optical network Grant 9,749,723 - Jiang , et al. August 29, 2 | 2017-08-29 |
Method and system for discrete multi-tone transmission with multiple modulations Grant 9,749,056 - Li , et al. August 29, 2 | 2017-08-29 |
Intensity modulated direct detection optical transceiver Grant 9,735,883 - Chung , et al. August 15, 2 | 2017-08-15 |
Method and system for removing a pilot tone from an optical signal Grant 9,705,628 - Jiang , et al. July 11, 2 | 2017-07-11 |
System and method for state reduction in trellis equalizers using bounded state enumeration Grant 9,660,845 - Mitra , et al. May 23, 2 | 2017-05-23 |
Clock Tone Power Boosting App 20170126260 - Torbatian; Mehdi ;   et al. | 2017-05-04 |
Direct-detected orthogonal frequency-division multiplexing with dispersion pre-compensation digital signal processing Grant 9,641,374 - Li , et al. May 2, 2 | 2017-05-02 |
Intensity Modulated Direct Detection Optical Transceiver App 20170104544 - CHUNG; Sung ;   et al. | 2017-04-13 |
Methods and apparatuses to improve reception of direct detection optical signals Grant 9,621,391 - Chen , et al. April 11, 2 | 2017-04-11 |
Apparatus and Method for Unified Mitigation of Correlative Additive and Multiplicative Noise App 20170099112 - Zamani; Mahdi ;   et al. | 2017-04-06 |
System and Method for State Reduction in Trellis Equalizers Using Bounded State Enumeration App 20170099165 - Mitra; Jeebak ;   et al. | 2017-04-06 |
Carrier-signal power ratio control in direct detection optical systems Grant 9,608,723 - Chen , et al. March 28, 2 | 2017-03-28 |
Apparatus and method for transmitting and receiving wireless signals subject to a spectral mask Grant 9,602,151 - Zamani , et al. March 21, 2 | 2017-03-21 |
Hitless, Multi-Rate Optical Transmission And Reception App 20170078028 - Zhang; Zhuhong ;   et al. | 2017-03-16 |
Apparatus And Method For Transmitting And Receiving Wireless Signals Subject To A Spectral Mask App 20170063408 - ZAMANI; MAHDI ;   et al. | 2017-03-02 |
Method and Apparatus for Low-Complexity Quasi-Reduced State Soft-Output Equalizer App 20170012712 - Mitra; Jeebak ;   et al. | 2017-01-12 |
Method and apparatus for residual phase noise compensation Grant 9,537,683 - Zamani , et al. January 3, 2 | 2017-01-03 |
Method And System For Removing A Pilot Tone From An Optical Signal App 20160380716 - JIANG; ZHIPING ;   et al. | 2016-12-29 |
Coherent waveform conversion in optical networks Grant 9,531,472 - Zhang , et al. December 27, 2 | 2016-12-27 |
Hitless, multi-rate optical transmission and reception Grant 9,520,941 - Zhang , et al. December 13, 2 | 2016-12-13 |
Method for low complexity decision metric compression of higher-order square-QAM constellation Grant 9,503,305 - Mitra , et al. November 22, 2 | 2016-11-22 |
Method and apparatus with improved estimation accuracy and robustness for fine frequency offset estimation in coherent receivers Grant 9,497,048 - Zamani , et al. November 15, 2 | 2016-11-15 |
System and Method for Optical Network App 20160323660 - Jiang; Zhiping ;   et al. | 2016-11-03 |
Single carrier flexible bit rate transceiver for coherent optical network Grant 9,479,260 - Zhang , et al. October 25, 2 | 2016-10-25 |
Method and system for removing a pilot tone from an optical signal Grant 9,473,263 - Jiang , et al. October 18, 2 | 2016-10-18 |
System and Method for Optical Network App 20160261364 - Jiang; Zhiping ;   et al. | 2016-09-08 |
Linear dispersion polarization-time codes and equalization in polarization multiplexed coherent optical system Grant 9,438,371 - Zamani , et al. September 6, 2 | 2016-09-06 |
Method and apparatus for low-complexity ISI estimation using sparse discontinuous time-domain pilots Grant 9,432,224 - Mitra , et al. August 30, 2 | 2016-08-30 |
Transmitter apparatus and method Grant 9,419,719 - Jiang , et al. August 16, 2 | 2016-08-16 |
Method And Apparatus With Improved Estimation Accuracy And Robustness For Fine Frequency Offset Estimation In Coherent Receivers App 20160218887 - Zamani; Mahdi ;   et al. | 2016-07-28 |
Methods and Apparatuses to Improve Reception of Direct Detection Optical Signals App 20160212003 - Chen; Chen ;   et al. | 2016-07-21 |
Method And System For Removing A Pilot Tone From An Optical Signal App 20160211938 - JIANG; Zhiping ;   et al. | 2016-07-21 |
Method And System For Discrete Multi-tone Transmission With Multiple Modulations App 20160204871 - Li; Chuandong ;   et al. | 2016-07-14 |
Method and apparatus for low-complexity quasi-reduced state soft-output equalizer Grant 9,385,896 - Mitra , et al. July 5, 2 | 2016-07-05 |
Bit loading for optical discrete multi-tone transmission Grant 9,350,450 - Chen , et al. May 24, 2 | 2016-05-24 |
Chromatic Dispersion Estimation for Digital Coherent Optical Receivers App 20160142153 - Zamani; Mahdi ;   et al. | 2016-05-19 |
Carrier-signal Power Ratio Control in Direct Detection Optical Systems App 20160112123 - Chen; Chen ;   et al. | 2016-04-21 |
Hitless, Multi-Rate Optical Transmission And Reception App 20160105236 - Zhang; Zhuhong ;   et al. | 2016-04-14 |
Channel estimation for optical orthogonal frequency division multiplexing systems Grant 9,300,407 - Zamani , et al. March 29, 2 | 2016-03-29 |
Linear Dispersion Polarization-Time Codes and Equalization in Polarization Multiplexed Coherent Optical System App 20160087751 - Zamani; Mahdi ;   et al. | 2016-03-24 |
Linear dispersion polarization-time codes and equalization in polarization multiplexed coherent optical system Grant 9,236,973 - Zamani , et al. January 12, 2 | 2016-01-12 |
Method and apparatus with improved estimation accuracy and robustness for fine frequency offset estimation in coherent receivers Grant 9,231,787 - Zamani , et al. January 5, 2 | 2016-01-05 |
System and method for a multi-wavelength coherent receiver Grant 9,225,432 - Chen , et al. December 29, 2 | 2015-12-29 |
Single Carrier Flexible Bit Rate Transceiver for Coherent Optical Network App 20150372762 - Zhang; Zhuhong ;   et al. | 2015-12-24 |
Coherent Waveform Conversion in Optical Networks App 20150288450 - Zhang; Zhuhong ;   et al. | 2015-10-08 |
Transmitter Apparatus and Method App 20150270904 - Jiang; Zhiping ;   et al. | 2015-09-24 |
System and Method for Chromatic Dispersion Tolerant Direct Optical Detection App 20150256264 - Chen; Chen ;   et al. | 2015-09-10 |
System and Method for Chromatic Dispersion Tolerant Direct Optical Detection App 20150256265 - Chen; Chen ;   et al. | 2015-09-10 |
Low-complexity, adaptive, fractionally spaced equalizer with non-integer sampling Grant 9,112,742 - Ali Shah , et al. August 18, 2 | 2015-08-18 |
System and Method for a Multi-Wavelength Coherent Receiver App 20150229409 - Chen; Chen ;   et al. | 2015-08-13 |
Method and apparatus for recovering time-domain hybrid modulated QAM signals Grant 9,106,503 - Zhang , et al. August 11, 2 | 2015-08-11 |
Direct-detected Orthogonal Frequency-division Multiplexing With Dispersion Pre-compensation Digital Signal Processing App 20150222468 - LI; Chuandong ;   et al. | 2015-08-06 |
Method with improved phase robustness in coherent detected optical system Grant 9,025,969 - Li , et al. May 5, 2 | 2015-05-05 |
Bit Loading for Optical Discrete Multi-Tone Transmission App 20150086215 - Chen; Chen ;   et al. | 2015-03-26 |
Low-Complexity, Adaptive, Fractionally Spaced Equalizer with Non-Integer Sampling App 20140341267 - Ali Shah; Syed Faisal ;   et al. | 2014-11-20 |
Method and apparatus of using digital equalizer for cascaded wavelength selective switch compensation Grant 8,837,957 - Zhang , et al. September 16, 2 | 2014-09-16 |
Method and apparatus for broadband carrier frequency and phase recovery in coherent optical system Grant 8,767,575 - Zhang , et al. July 1, 2 | 2014-07-01 |
Method and apparatus of using joint timing recovery for a coherent optical system Grant 8,737,847 - Li , et al. May 27, 2 | 2014-05-27 |
Method and apparatus for updating a fractional time interval using time-domain interpolators in optical communications Grant 8,738,956 - Chen , et al. May 27, 2 | 2014-05-27 |
Channel Estimation for Optical Orthogonal Frequency Division Multiplexing Systems App 20140072307 - Zamani; Mahdi ;   et al. | 2014-03-13 |
Method With Improved Phase Robustness In Coherent Detected Optical System App 20130315609 - Li; Chuandong ;   et al. | 2013-11-28 |
Linear Dispersion Polarization-Time Codes and Equalization in Polarization Multiplexed Coherent Optical System App 20130272704 - Zamani; Mahdi ;   et al. | 2013-10-17 |
Method and Apparatus of Using Joint Timing Recovery for a Coherent Optical System App 20130243420 - Li; Chuandong ;   et al. | 2013-09-19 |
Method and apparatus for carrier phase estimation and correction in a coherent optical system Grant 8,538,279 - Li , et al. September 17, 2 | 2013-09-17 |
Method and Apparatus of Using Digital Equalizer for Cascaded Wavelength Selective Switch Compensation App 20130183034 - Zhang; Zhuhong ;   et al. | 2013-07-18 |
Method and apparatus for frame detection and polarization separation Grant 8,391,726 - Chen , et al. March 5, 2 | 2013-03-05 |
Side band pilot tone for digital signal processing in polarization multiplexed coherent optical communication system Grant 8,340,534 - Zhang , et al. December 25, 2 | 2012-12-25 |
Clock recovery method for polarization multiplexed coherent optical communications Grant 8,331,803 - Li , et al. December 11, 2 | 2012-12-11 |
Method and Apparatus of Using Time-Domain Interpoolators for Sampling Time Adjustment, Sampling Rate Change, and Sampling Misalignment Compensation in Optical Communications App 20120274364 - Chen; Yuanjie ;   et al. | 2012-11-01 |
Method and Apparatus for Broadband Carrier Frequency and Phase Recovery in Coherent Optical System App 20120033965 - Zhang; Zhuhong ;   et al. | 2012-02-09 |
Method and Apparatus for Carrier Phase Estimation and Correction in a Coherent Optical System App 20120008952 - Li; Chuandong ;   et al. | 2012-01-12 |
Method and Apparatus for Frame Detection and Polarization Separation App 20110206385 - Chen; Yuanjie ;   et al. | 2011-08-25 |
Clock Recovery Method for Polarization Multiplexed Coherent Optical Communications App 20110081150 - LI; Chuandong ;   et al. | 2011-04-07 |
Side Band Pilot Tone for Digital Signal Processing in Polarization Multiplexed Coherent Optical Communication System App 20110033184 - Zhang; Zhuhong ;   et al. | 2011-02-10 |