65,536-QAM OFDM signal transmission over a fiber-THz system at 320 GHz with delta-sigma modulation

J Shi, J Yu, J Zhang, M Zhu, L Zhang, K Wang… - Optics Letters, 2023 - opg.optica.org
The transmission of a 65,536-ary quadrature amplitude modulation (QAM) orthogonal
frequency division multiplexing (OFDM) signal supported by a hybrid fiber–terahertz (THz) …

The CESAE multiple objection optimization network of the ACO-OFDM VLC system

L Hao, P Cao, C Li, D Wang - Optics Communications, 2024 - Elsevier
Visible light communication (VLC) is a foreground technology in the sixth generation (6G)
communication system. Simultaneously deep learning network is a novel approach to …

W-band radio-over-fiber transmission system with delta-sigma modulation and direct detection

Z Ju, J Liu, J Yu - Chinese Optics Letters, 2023 - opg.optica.org
We experimentally built a W-band photonics-aided millimeter-wave radio-over-fiber
transmission system and demonstrated the delivery of up to 8192-ary quadrature amplitude …

Enhancing the performance of 16384QAM based on delta-sigma modulation using geometric shaping in an IMDD system

J Zhao, J Ren, B Liu, Y Mao, R Ullah, X Wu, S Chen… - Optics Letters, 2023 - opg.optica.org
In this Letter, a new, to the best of our knowledge, geometric shaping method for an ultrahigh-
order 16384-ary quadrature amplitude modulation (16384QAM) constellation based on the …

Photonics-assisted integrated sensing and communication with ranging resolution improvement by multiple signal classification

L Peng, M Yin, D Zou, N Yang, Y Xiao, F Li - Optics Express, 2024 - opg.optica.org
The combination of orthogonal frequency-division multiplexing (OFDM) with photonics-
assisted millimeter-wave (MMW) technology serves as an effective solution for realizing …

Modified Kramers-Kronig receiver based on memory polynomial compensation for photonics-assisted millimeter-wave communications

ZY Wen, F Yang, H Jiang, Y Liu, F Chen, M Li… - Optics …, 2023 - opg.optica.org
Photonics-assisted millimeter-wave (MMW) wireless communications are advancing rapidly
driven by the escalating congestion in the lower-band spectrum and the growing demand for …

592 Gbps/$\uplambda $ Capacity of Equivalent Fronthaul Channel Based on Time-Interleaved Digital-Analog Radio-Over-Fiber

C Cheng, X Li, Q Wu, Y Hao, J Wei… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
We propose a novel time-interleaved hybrid digital-analog radio-over-fiber (TI-DA-ROF)
scheme and verify it through experiments in a coherent optical communication system. This …

8192QAM signal transmission over 20-m wireless distance at W-band using delta-sigma modulation

J Liu, J Yu, J Long, M Wang, C Bian… - Optical Fiber …, 2023 - opg.optica.org
We experimentally demonstrate a W-band photon-assisted millimeter-wave transmission
system using delta-sigma modulation and envelope detection. The proposed IM/DD-MMW …

Simultaneous wireless mm-wave transmission of both SC-modulated and OFDM-modulated high-order QAM signals enabled by bandpass delta-sigma modulation

T Xie, X Xin, J Bi, H Yan, X Li, X Pan - Optics Express, 2024 - opg.optica.org
The application of dual vector millimeter-wave (mm-wave) signals in radio-over-fiber (RoF)
systems represents a significant opportunity to enhance spectrum efficiency, transmission …

32-Gb/s CAP Signals Wireless Delivery at D-Band Over 4.6 Km Based on Photonics-Aided Technology and Envelope Detection

X Yang, W Zhou, X Zhao, J Yu, Y Wei… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
The Carrier-less Amplitude and Phase (CAP) modulation is an advanced modulation
technology with the advantages of high spectrum utilization, low cost, and low complexity. In …