Inventor
XIE CHANGSONG
DE13 patents
⚠️ This page may combine multiple inventors who share the name “XIE CHANGSONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUAWEI TECH CO LTD
8 patentsUS9531480B2Dec 27, 2016
Optical receiver
HUAWEI TECH CO LTD5 citations72
US10320478B2Jun 11, 2019
Optical channel sounder
HUAWEI TECH CO LTD3 citations70
US11994719B2May 28, 2024
Polymer waveguide and electrical signal transmission method
HUAWEI TECH CO LTD0 citations57
US12463723B2Nov 4, 2025
Digital filter arrangement for compensating group velocity dispersion in an optical transmission system
HUAWEI TECH CO LTD0 citations50
US11025405B2Jun 1, 2021
High capacity optical data transmission using intensity-modulation and direct-detection
HUAWEI TECH CO LTD0 citations50
US12438616B2Oct 7, 2025
Chromatic dispersion pre-compensation over bi-directional optical link
HUAWEI TECH CO LTD0 citations47
US11082135B2Aug 3, 2021
Apparatus and method for processing a digital signal in a frequency domain linear equalizer
HUAWEI TECH CO LTD0 citations47
US11101891B2Aug 24, 2021
Auxiliary channel in PAM/QAM systems using redundant constellation points
HUAWEI TECH CO LTD0 citations44