Architecture and key digital signal processing techniques of a next-generation passive optical network

F Li, M Yin, Z Luo, X Wang, L Rong… - Journal of Optical …, 2023 - ieeexplore.ieee.org
A passive optical network (PON) with low cost and high capacity has been explored and
recommended for supporting the emerged commercial mobile fronthaul, resident, and …

Demonstration of Real-Time DMT-WDM-PON Employing Probabilistic Shaping Based on Intra-Symbol Bit-Weighted Distribution Matching

L Zhang, K Wang, C Wang, J Ding, J Shi… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
The probabilistic shaping (PS) technique can effectively reduce the average power of the
transmitted signal by transmitting high-energy symbols with low probability and low-energy …

ODRAD: An optical wireless DCN dynamic-bandwidth reconfiguration with AWGR and deep reinforcement learning

K Geresu, H Gu, M Fadhel, W Wei, X Yu - Optical Switching and Networking, 2024 - Elsevier
The rapid growth of Data Center Network (DCN) traffic has brought new challenges, such as
limited bandwidth, high latency, and packet loss to existing DCNs based on electrical …

OFDM-PON physical layer encryption scheme based on chaotic Joseph ring and fractal system

Q Li, M Bi, Y Zhou, X Teng, M Hu, G Yang - Optics Communications, 2024 - Elsevier
In this paper, we present a novel encryption algorithm that combines the chaotic Joseph ring
and fractal system to enhance system security and resistance to chosen plain text attacks …

Experimental demonstration of a novel multi-user bit and power loading algorithm for OFDM-NOMA PON

C Hu, G Wang, Z Fan, J Zhao - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
In this article, we conduct an extensive investigation on our recently proposed greedy
orthogonal frequency division multiplexing non-orthogonal multiple access (OFDM-NOMA) …

Cost-Effective 40-Gbaud THP PS-PAM-4 C-Band IM/DD Transmission for 50-km Inter-DCI Utilizing 2-bit DAC

Z Chen, Z Liang, J Wu, W Lu, X Chang… - IEEE Photonics …, 2024 - ieeexplore.ieee.org
Data center interconnections are cost-sensitive. We propose and demonstrate a cost-
effective C-band intensity modulation direct detection (IM/DD) transmitter for extended range …

An Improved OFDMA Design for Low-Cost Receivers

Z Ou, H Yang - 2022 International Symposium on Wireless …, 2022 - ieeexplore.ieee.org
This paper presents an improved orthogonal frequency-division multiple access (OFDMA)
system design aiming to reduce the power consumption and the hardware complexity of low …

Theoretical analysis of joint hierarchical modulation and physical layer network coding for next passive optical networks

N Feng, SB Li, Q Luo - … 2022; and 2nd International Forum of …, 2023 - spiedigitallibrary.org
In order to fulfill the traffic localization, the network coding (NC) paradigm is a promising
approach that can significantly improve the throughput, end-to-end (E2E) delay, and energy …