Explanipedia

Real-Time Monitoring and Assessment of Natural Resources in Tourist Attractions Using Computer Vision Open

Pingzhi Fan, Yunfei Zhou, Shanbao Tong · 2025

Autonomous Driving with RSMA-Enabled Finite Blocklength Transmissions: Ergodic Performance Analysis and Optimization Open

Yi Wang, Yingyang Chen, Li Wang, Donghong Cai, Xiaofan Li , et al. · 2025

Rate-splitting multiple access (RSMA) is a key technology for next-generation multiple access systems due to its robustness against imperfect channel state information (CSI). This makes RSMA particularly suitable for high-mobility autonomo…

Matched Filtering-Based Channel Estimation for AFDM Systems in Doubly Selective Channels Open

Xiang-Jun Li, Zilong Liu, Zhengchun Zhou, Pingzhi Fan · 2025

Affine frequency division multiplexing (AFDM) has recently emerged as an excellent backward-compatible 6G waveform. In this paper, an enhanced AFDM is proposed whereby the delay-Doppler (DD) coupling phase is considered. Specifically, we s…

Improved ALOHA-based URA with Index Modulation: Efficient Decoding and Analysis Open

Linjie Yang, Pingzhi Fan, Zhiguo Ding, Jingqiu Gao · 2025

In this paper, an improved ALOHA-based unsourced random access (URA) scheme is proposed in MIMO channels. The channel coherent interval is divided into multiple sub-slots and each active user selects several sub-slots to send its codeword,…

Cross-Frame OTFS Parameter Estimation Based On Chinese Remainder Theorem Open

Zhenyu Zhang, Gang Liu, Feifei Gao, Pingzhi Fan · 2025

Orthogonal time-frequency space (OTFS) is a potential waveform for integrated sensing and communications (ISAC) systems because it can manage communication and sensing metrics in one unified domain, and has better performance in high mobil…

Low-PAPR OFDM-ISAC Waveform Design Based on Frequency-Domain Phase Differences Open

Kaimin Li, Jiahuan Wang, Haixia Cui, Bingpeng Zhou, Pingzhi Fan · 2025

Low peak-to-average power ratio (PAPR) orthogonal frequency division multiplexing (OFDM) waveform design is a crucial issue in integrated sensing and communications (ISAC). This paper introduces an OFDM-ISAC waveform design that utilizes t…

Open Set RF Fingerprinting Identification: A Joint Prediction and Siamese Comparison Framework Open

Donghong Cai, Jiahao Shan, Ning Gao, Bingtao He, Yingyang Chen , et al. · 2025

Radio Frequency Fingerprinting Identification (RFFI) is a lightweight physical layer identity authentication technique. It identifies the radio-frequency device by analyzing the signal feature differences caused by the inevitable minor har…

Asymptotically Optimal Aperiodic and Periodic Sequence Sets with Low Ambiguity Zone Through Locally Perfect Nonlinear Functions Open

Zheng Wang, Zhengchun Zhou, Avik Ranjan Adhikary, Yang Yang, Sihem Mesnager , et al. · 2025

Low ambiguity zone (LAZ) sequences play a crucial role in modern integrated sensing and communication (ISAC) systems. In this paper, we introduce a novel class of functions known as locally perfect nonlinear functions (LPNFs). By utilizing…

Spatial Chirp-based Analog Beamforming in LoS THz Ultra-wideband Phased Tx Array Systems Open

Xingyu Chen, Li Zhang, Pingzhi Fan · 2025

MMSE‐based passive beamforming for reconfigurable intelligent surface aided millimeter wave MIMO Open

Prabhat Raj Gautam, Li Zhang, Pingzhi Fan · 2025

Reconfigurable intelligent surfaces (RISs) have emerged as propitious solution to configure random wireless channel into suitable propagation environment by adjusting a large number of low‐cost passive reflecting elements. It is considered…

Oversampled Low Ambiguity Zone Sequences for Channel Estimation over Doubly Selective Channels Open

Zhi Gu, Zhengchun Zhou, Pingzhi Fan, Avik Ranjan Adhikary, Zilong Liu · 2024

Pilot sequence design over doubly selective channels (DSC) is challenging due to the variations in both the time- and frequency-domains. Against this background, the contribution of this paper is twofold: Firstly, we investigate the optima…

Dual-Functional Waveform Design with Local Sidelobe Suppression via OTFS Signaling Open

Kecheng Zhang, Weijie Yuan, Pingzhi Fan, Xianbin Wang · 2024

Integrated sensing and communication (ISAC) is viewed as a key technology in future wireless networks. One of the main challenges in realizing ISAC is developing dual-functional waveforms that can communicate with communication receivers a…

STAR-RIS Aided Integrated Sensing and Communication over High Mobility Scenario Open

Muye Li, Shun Zhang, Yao Ge, Zan Li, Feifei Gao , et al. · 2024

Integrated sensing and communication (ISAC) has become a promising technology for future communication system. In this paper, we consider a millimeter wave system over high mobility scenario, and propose a novel simultaneous transmission a…

Joint data power control and LSFD design in distributed cell-free massive MIMO under non-ideal UE hardware Open

Ning Li, Pingzhi Fan · 2024

This paper investigates distributed cell-free massive multiple-input multiple-output with non-ideal user equipment hardware under spatially correlated channels. By employing the use-and-then-forget technique, a lower capacity bound is deri…

Generalized Arlery-Tan-Rabaste-Levenshtein Lower Bounds on Ambiguity Function and Their Asymptotic Achievability Open

Lingsheng Meng, Yong Liang Guan, Yao Ge, Zilong Liu, Pingzhi Fan · 2024

This paper presents generalized Arlery-Tan-Rabaste-Levenshtein lower bounds on the maximum aperiodic ambiguity function (AF) magnitude of unimodular sequences under certain delay-Doppler low ambiguity zones (LAZ). Our core idea is to explo…

Energy-Efficient Covert Communications for UAV-Assisted Backscatter Systems Open

Yi Zhou, Azzam Al‐nahari, Riku Jäntti, Zheng Ma, Pingzhi Fan · 2024

Publisher Copyright: IEEE

Multi-Connectivity Between Terrestrial and Non-Terrestrial MIMO Systems Open

Bodong Shang, Xiangyu Li, Z. Li, Junchao Ma, Xiaoli Chu , et al. · 2024

Communicating in a non-terrestrial network (NTN) has recently emerged as a promising technology to provide global seamless connectivity. Although low earth orbit (LEO) satellites in an NTN have been employed for providing ubiquitous covera…

Unsupervised Multivariate Time Series Data Anomaly Detection in Industrial IoT: A Confidence Adversarial Autoencoder Network Open

Jiahao Shan, Donghong Cai, Fang Fang, Zahid Khan, Pingzhi Fan · 2024

Anomaly detection of multivariate time series (MTS) is crucial in industrial intelligent systems. To address the challenges of absence of anomaly labels, fast inference time, multi-source and multi-modality in anomaly detection, researcher…

Extremely Large Aperture Array (ELAA) Communications: Foundations, Research Advances and Challenges Open

Sicong Ye, Ming Xiao, Man-Wai Kwan, Zheng Ma, Yongming Huang , et al. · 2024

Extremely large aperture array (ELAA) represents a paradigm shift in wireless antenna systems, poised to redefine the capabilities of future networks, particularly in the era of the sixth generation (6G) networks. The integration of multip…

6-DoF Location-and-Pose Estimation Toward Integrated Visible Light Communication and Sensing: Algorithm Design and Performance Limits Open

Bingpeng Zhou, Xin Wang, Yuan Shen, Pingzhi Fan · 2024

Visible light communication (VLC) is envisioned as an important technique for short-range communications, but its potential for user device (UD) localization is not fully exploited, which is challenging due to diffuse-scattering interferen…

FOREWORD Open

Pingzhi Fan, Tetsuya Kojima · 2023

From OTFS to DD-ISAC: Integrating Sensing and Communications in the Delay Doppler Domain Open

Weijie Yuan, Lin Zhou, Saeid K. Dehkordi, Shuangyang Li, Pingzhi Fan , et al. · 2023

Next-generation vehicular networks are expected to provide the capability of robust environmental sensing in addition to reliable communications to meet intelligence requirements. A promising solution is the integrated sensing and communic…

Novel Power-Imbalanced Dense Codebooks for Reliable Multiplexing in Nakagami Channels Open

Yiming Gui, Zilong Liu, Lisu Yu, Chunlei Li, Pingzhi Fan · 2023

This paper studies enhanced dense code multiple access (DCMA) system design for downlink transmission over the Nakagami-$m$ fading channels. By studying the DCMA pairwise error probability (PEP) in a Nakagami-$m$ channel, a novel design me…

Learning-Based MIMO Detection With Dynamic Spatial Modulation Open

Le He, Lisheng Fan, Xianfu Lei, Xiaohu Tang, Pingzhi Fan , et al. · 2023

In this paper, we investigate signal detection in emerging dynamic spatial modulation (DSM) based MIMO systems, where the existing mapping and detection methods do not work efficiently. In order to address this issue, we begin by proposing…

Asymptotically Optimal Golay-ZCZ Sequence Sets with Flexible Length Open

Zhi Gu, Zhengchun Zhou, Avik Ranjan Adhikary, Yanghe Feng, Pingzhi Fan · 2023

Zero correlation zone (ZCZ) sequences and Golay complementary sequences are two kinds of sequences with different preferable correlation properties.Golay-ZCZ sequences are special kinds of complementary sequences which also possess a large…

Complementary waveforms for range sidelobe suppression based on a singular value decomposition approach Open

J.-D. Wang, Pingzhi Fan, Des McLernon, Zhiguo Ding · 2023

While Doppler resilient complementary waveforms (DRCWs) have previously been considered to suppress range sidelobes within a Doppler interval of interest in radar systems, their ability to provide Doppler resilience can be further improved…

A New Design of CR-NOMA and Its Application to AoI Reduction Open

Zhiguo Ding, Octavia A. Dobre, Pingzhi Fan, H. Vincent Poor · 2023

The aim of this letter is to develop a new design of cognitive radio inspired non-orthogonal multiple access (CR-NOMA), which ensures that multiple new users can be supported without causing disruption to the legacy network. Analytical res…

Radar Sensing via OTFS Signaling: A Delay Doppler Signal Processing Perspective Open

Kecheng Zhang, Weijie Yuan, Shuangyang Li, Fan Liu, Feifei Gao , et al. · 2023

The recently proposed orthogonal time frequency space (OTFS) modulation multiplexes data symbols in the delay-Doppler (DD) domain. Since the range and velocity, which can be derived from the delay and Doppler shifts, are the parameters of …

Guest editorial: Orthogonal time frequency space modulation in 6G era Open

Weijie Yuan, Zhiqing Wei, Jiamo Jiang, Shun Zhang, Jinhong Yuan , et al. · 2023

Over the past decades, wireless technologies with reliable data transmissions and precise sensing ability in hostile environments are much less understood and significantly under-developed. The DD domain waveform, e.g., orthogonal time fre…

New Delay Doppler Communication Paradigm in 6G era: A Survey of Orthogonal Time Frequency Space (OTFS) Open

Weijie Yuan, Shuangyang Li, Zhiqiang Wei, Jiamo Jiang, Haijun Zhang , et al. · 2022

In the 6G era, space-air-Ground integrated networks (SAGIN) are anticipated to deliver global coverage, necessitating support for a diverse array of emerging applications in high-mobility, hostile environments. Under such conditions, conve…

Pingzhi Fan YOU? Author Swipe