activity
20212026
most citedTiming Recovery for Non-Orthogonal Multiple Access with Asynchronous Clocks

2 citations · 4 across the 13 of their papers we have counts for

collaborators

15 papers

cs.NI2026

Burst-mode timing recovery based on fourth-power phase detector for passive optical networks

Ji Zhou, Haide Wang, Xiaofeng Zhang +5

Driven by the ever-increasing capacity demands, 50G passive optical network (50G-PON) is ready for practical application. It is highly challenging to realize 50GHz burst-mode analo…

cs.NI2026

Carrier Leakage Suppression and Power Difference Equalization for TFDMA Coherent PON

Ji Zhou, Haide Wang, Liangchuan Li +2

In this invited talk, we demonstrate the carrier leakage suppression and power difference equalization based on semiconductor optical amplifier (SOA) for TFDMA-based coherent PON,…

cs.IT2026

Low-Latency and Low-Complexity MLSE for Short-Reach Optical Interconnects

Mengqi Guo, Ji Zhou, Haide Wang +3

To meet the high-speed, low-latency, and low-complexity demand for optical interconnects, simplified maximum likelihood sequence estimation (MLSE) is proposed in this paper. Simpli…

cs.NI2025

Comparison of FTN-NOFDM and PCS-OFDM for Long-Haul Coherent Optical Communications

Haide Wang, Ji Zhou, Yongcheng Li +4

Single-wavelength 400G coherent optical communications have become a critical solution to meet the explosive traffic demands. However, the single-carrier modulation using low-order…

cs.NI2025

Real-Time Burst-Mode Digital Signal Processing for Passive Optical Networks

Ji Zhou, Kainan Wu, Haide Wang +6

Driven by the ever-increasing capacity demands, the 50G passive optical network (PON) is maturing gradually. One of the main challenges for the 50G PON is implementing burst-mode d…

cs.NI2024

Burst-Mode Digital Signal Processing for Coherent Optical Time-Division Multiple Access

Ji Zhou, Cheng Li, Haide Wang +3

As the 50G optical access gradually matures, it is time to discuss Beyond 50G optical access. According to the evolution rules of optical access standards, Beyond 50G optical acces…

eess.SP2024★ 2 cited

Timing Recovery for Non-Orthogonal Multiple Access with Asynchronous Clocks

Qingxin Lu, Haide Wang, Wenxuan Mo +3

A passive optical network (PON) based on non-orthogonal multiple access (NOMA) meets low latency and high capacity. In the NOMA-PON, the asynchronous clocks between the strong and…

cs.NI2024★ 1 cited

Preamble Design and Burst-Mode DSP for Upstream Reception of 200G Coherent TDM-PON

Haide Wang, Ji Zhou, Jinyang Yang +4

Burst-mode DSP based on 10ns preamble is proposed for upstream reception of 200G coherent TDM-PON. The 128-symbol tone preamble is used for SOP, frequency offset, and sampling phas…

cs.NI2024★ 1 cited

IQ Skew and Imbalance Estimation for Coherent Point-to-Multi-Point Optical Networks

Ji Zhou, Jianrui Zeng, Haide Wang +4

Coherent point-to-multi-point (PtMP) optical network based on digital subcarrier multiplexing (DSCM) has been a promising technology for metro and access networks to achieve cost s…

cs.CR2023

Pilot-Based Key Distribution and Encryption for Secure Coherent Passive Optical Networks

Haide Wang, Ji Zhou, Qingxin Lu +5

The security issues of passive optical networks (PONs) have always been a concern due to broadcast transmission. Physical-layer security enhancement for the coherent PON should be…

cs.IT2023

Capacity Limitation and Optimization Strategy for Flexible Point-to-Multi-Point Optical Networks

Ji Zhou, Haide Wang, Liangchuan Li +3

Point-to-multi-point (PtMP) optical networks become the main solutions for network-edge applications such as passive optical networks and radio access networks. Entropy-loading dig…

cs.IT2023

Non-Integer-Oversampling Digital Signal Processing for Coherent Passive Optical Networks

Haide Wang, Ji Zhou, Jinyang Yang +5

Beyond 100G passive optical networks (PONs) will be required to meet the ever-increasing traffic demand in the future. Coherent optical technologies are the competitive solutions f…

eess.SP2023

Timing Recovery for Point-to-Multi-Point Coherent Passive Optical Networks

Ji Zhou, Jinyang Yang, Haide Wang +2

We propose a timing recovery for point-to-multi-point coherent passive optical networks. The results show that the proposed algorithm has low complexity and better robustness again…

cs.IT2021

Multi-Rate Nyquist-SCM for C-Band 100Gbit/s Signal over 50km Dispersion-Uncompensated Link

Haide Wang, Ji Zhou, Jinlong Wei +6

In this paper, to the best of our knowledge, we propose the first multi-rate Nyquist-subcarriers modulation (SCM) for C-band 100Gbit/s signal transmission over 50km dispersion-unco…

eess.SP2021

A New Channel Estimation Strategy in Intelligent Reflecting Surface Assisted Networks

Rui Wang, Liang Liu, Shuowen Zhang +1

Channel estimation is the main hurdle to reaping the benefits promised by the intelligent reflecting surface (IRS), due to its absence of ability to transmit/receive pilot signals…