Inventor · disambiguated record
Changsong Xie
Also filed as: XIE CHANGSONG
13 granted patents·2 pending applications·125 citations·filing 2007–2023
87Inventor score
Top patents by PatentIndex Score
15 records- 0194US8199803B2Receiver structure and method for the demodulation of a quadrature-modulated signalHAUSKE FABIAN·Filed 2007·Granted Jun 12, 2012·100 cites·21 claims
- 0287US8848747B2Method and device for recovering OTUk frame, and system for transporting OTUk frameZENG LI·Filed 2012·Granted Sep 30, 2014·12 cites·5 claims
- 0382US9531480B2Optical receiverHUAWEI TECH CO LTD·Filed 2015·Granted Dec 27, 2016·5 cites·13 claims
- 0476US10320478B2Optical channel sounderHUAWEI TECH CO LTD·Filed 2015·Granted Jun 11, 2019·3 cites·15 claims
- 0567US8855501B2Method for carrier frequency recovery and optical intradyne coherent receiverXIE CHANGSONG·Filed 2011·Granted Oct 7, 2014·3 cites·6 claims
- 0659US8218614B2Electronic equalization and electronic depolarization method, receiving end equipment, and communication systemCHEN ZIHUAN·Filed 2011·Granted Jul 10, 2012·2 cites·8 claims
- 0757US11994719B2Polymer waveguide and electrical signal transmission methodHUAWEI TECH CO LTD·Filed 2022·Granted May 28, 2024·0 cites·17 claims
- 0855US12463723B2Digital filter arrangement for compensating group velocity dispersion in an optical transmission systemHUAWEI TECH CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 0952US12438616B2Chromatic dispersion pre-compensation over bi-directional optical linkHUAWEI TECH CO LTD·Filed 2023·Granted Oct 7, 2025·0 cites·26 claims
- 1051US2024258673A1Device for multiplexing or demultiplexing polarised wavesHUAWEI TECH CO LTD·Filed 2023·Application pending·0 cites
- 1144US11101891B2Auxiliary channel in PAM/QAM systems using redundant constellation pointsHUAWEI TECH CO LTD·Filed 2020·Granted Aug 24, 2021·0 cites·20 claims
- 1243US11025405B2High capacity optical data transmission using intensity-modulation and direct-detectionHUAWEI TECH CO LTD·Filed 2019·Granted Jun 1, 2021·0 cites·9 claims
- 1338US11082135B2Apparatus and method for processing a digital signal in a frequency domain linear equalizerHUAWEI TECH CO LTD·Filed 2018·Granted Aug 3, 2021·0 cites·14 claims
- 1437US9042488B2Phase offset compensatorXIE CHANGSONG·Filed 2012·Granted May 26, 2015·0 cites·5 claims
- 1532US2012143935A1Filter device and method for providing a filter deviceXIE CHANGSONG·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →