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Optimized Regular and Irregular SD-LDPC Codes for 50G-PON and Beyond

This technology is a low-density parity-check (LDPC) code optimization for optical transmission (fiber) taking into consideration known burst mode errors. By using parity-check matrix rearrangement and different intra-codeword interleaving, the inventors demonstrated that both regular and irregular LDPC codes' performance can be improved under burst...

Published: 8/1/2024 | Inventor(s): Ivan Djordjevic, Mingwei Yang, Ziwen Pan

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical

Probabilistically Coded Modulation Formats for 5G Mobile Fronthaul Networks

The invention proposes a three-level probabilistically coded pulse amplitude modulation (PAM-3), and a five-point quadrature amplitude modulation (QAM-5) schemes in hybrid mobile fronthaul (MFH) networks that support both direct and coherent detection. Background: The emergence of the next generation of cellular networks (5G) can support disruptive...

Published: 8/1/2024 | Inventor(s): Mingwei Yang, Houman Rastegarfar, Ivan Djordjevic

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Wireless, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Networking