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20232026
most citedA Tutorial on Environment-Aware Communications via Channel Knowledge Map for 6G

4 citations · 5 across the 21 of their papers we have counts for

collaborators

22 papers

eess.SP2026

Low-Altitude UAV-Assisted Bistatic ISAC: Closed-form 3D CRLB and Coverage Analysis

Haoyu Jiang, Hengyou Kong, Xiaoli Xu +1

This paper investigates the fundamental performance limits of three-dimensional (3D) localization in unmanned aerial vehicle (UAV)-assisted integrated sensing and communication (IS…

eess.SP2026

CRLB and Parameter Estimation for OFDM-ISAC with Non-Uniform Sparse Resource Allocation

Wenjie Zhang, Qianglong Dai, Xiaoli Xu +2

Integrated sensing and communication (ISAC) holds great promise in expanding the applications of wireless communication networks. However, in current communication-centric systems,…

eess.IV2026

CKM Beyond Channel Gain: Spatial Correlation Map Construction with Deep Learning

Z. Chen, S. Fu, Y. Zeng +2

Channel knowledge map (CKM) is a promising technique to achieve environment-aware wireless communication and sensing. Constructing the complete CKM based on channel knowledge obser…

cs.IT2026

Hybrid Mono- and Bi-static OFDM-ISAC via BS-UE Cooperation: Closed-Form CRLB and Coverage Analysis

Xiaoli Xu, Yong Zeng

This paper proposes a hybrid mono- and bi-static sensing framework, by leveraging the base station (BS) and user equipment (UE) cooperation in integrated sensing and communication…

cs.IT2026

Channel Knowledge Map Construction via Guided Flow Matching

Ziyu Huang, Yong Zeng, Shen Fu +2

The efficient construction of accurate channel knowledge maps (CKMs) is crucial for unleashing the full potential of environment-aware wireless networks, yet it remains a difficult…

eess.SP2026

OpenISAC: An Open-Source Real-Time Experimentation Platform for OFDM-ISAC

Zhiwen Zhou, Chaoyue Zhang, Xiaoli Xu +1

Integrated sensing and communication (ISAC) is envisioned to be one of the key usage scenarios for the sixth generation (6G) mobile communication networks. While significant progre…

eess.SP2025

CKM-Enabled Joint Spatial-Doppler Domain Clutter Suppression for Low-Altitude UAV ISAC

Zihan Xu, Zhiwen Zhou, Di Wu +2

The rapid development of low-altitude economy has placed higher demands on the sensing of small-sized unmanned aerial vehicle (UAV) targets. However, the complex and dynamic low-al…

eess.SP2025

Data Fusion for BS-UE Cooperative MIMO-OFDM ISAC

Yixin Ding, Haoyu Jiang, Xiaoli Xu +2

Integrated sensing and communication (ISAC) is a promising technique for expanding the functionalities of wireless networks with enhanced spectral efficiency. The 3rd Generation Pa…

eess.SP2025

BS-1-to-N: Diffusion-Based Environment-Aware Cross-BS Channel Knowledge Map Generation for Cell-Free Networks

Zhuoyin Dai, Di Wu, Yong Zeng +3

Channel knowledge map (CKM) inference across base stations (BSs) is the key to achieving efficient environmentaware communications. This paper proposes an environmentaware cross-BS…

eess.SP2025

Coverage Probability and Average Rate Analysis of Hybrid Cellular and Cell-free Network

Zhuoyin Dai, Jingran Xu, Xiaoli Xu +3

Cell-free wireless networks deploy distributed access points (APs) to simultaneously serve user equipments (UEs) across the service region and are regarded as one of the most promi…

eess.SP2025

A Tutorial on MIMO-OFDM ISAC: From Far-Field to Near-Field

Qianglong Dai, Yong Zeng, Huizhi Wang +10

Integrated sensing and communication (ISAC) is one of the key usage scenarios for future sixth-generation (6G) mobile communication networks, where communication and sensing (C&S)…

eess.SP2025

How Does CP Length Affect the Sensing Range for OFDM-ISAC?

Xiaoli Xu, Zhiwen Zhou, Yong Zeng

Orthogonal frequency division multiplexing (OFDM), which has been the dominating waveform for contemporary wireless communications, is also regarded as a competitive candidate for…

cs.IT2024

An Overview of Cellular ISAC for Low-Altitude UAV: New Opportunities and Challenges

Yuxuan Song, Yong Zeng, Yuhang Yang +6

Low-altitude unmanned aerial vehicles (UAVs) are expected to play an important role in future wireless networks, either as aerial base stations (BSs) or aerial users connected to t…

eess.SP2024

Generating CKM Using Others' Data: Cross-AP CKM Inference with Deep Learning

Zhuoyin Dai, Di Wu, Xiaoli Xu +1

Channel knowledge map (CKM) is a promising paradigm shift towards environment-aware communication and sensing by providing location-specific prior channel knowledge before real-tim…

eess.SP2024

Deep Learning-Based CKM Construction with Image Super-Resolution

Shiyu Wang, Xiaoli Xu, Yong Zeng

Channel knowledge map (CKM) is a novel technique for achieving environment awareness, and thereby improving the communication and sensing performance for wireless systems. A fundam…

cs.IT2024

Channel Knowledge Map for Cellular-Connected UAV via Binary Bayesian Filtering

Yuhang Yang, Xiaoli Xu, Yong Zeng +2

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing. Link state map (LSM) is one particular type of CKM that aims…

eess.SP2024

Prototyping and Experimental Results for ISAC-based Channel Knowledge Map

Chaoyue Zhang, Zhiwen Zhou, Xiaoli Xu +3

Channel knowledge map (CKM) is a novel approach for achieving environment-aware communication and sensing. This paper presents an integrated sensing and communication (ISAC)-based…

eess.SP2024

Performance Analysis of Hybrid Cellular and Cell-free MIMO Network

Zhuoyin Dai, Jingran Xu, Xiaoli Xu +2

Cell-free wireless communication is envisioned as one of the most promising network architectures, which can achieve stable and uniform communication performance while improving th…

eess.SP2024

Environment-aware UAV Communications: CKM Construction and Predictive Beamforming

Shiqi Zeng, Xiaoli Xu, Yong Zeng

Predictive millimeter-wave (mmWave) beamforming is a promising technique to enable low-latency and high-rate ground-air communications for cellular-connected unmanned aerial vehicl…

eess.SP2024

Little Pilot is Needed for Channel Estimation with Integrated Super-Resolution Sensing and Communication

Jingran Xu, Huizhi Wang, Yong Zeng +1

Integrated super-resolution sensing and communication (ISSAC) is a promising technology to achieve extremely high sensing performance for critical parameters, such as the angles of…

cs.IT2023★ 1 cited

How Much Data is Needed for Channel Knowledge Map Construction?

Xiaoli Xu, Yong Zeng

Channel knowledge map (CKM) has been recently proposed to enable environment-aware communications by utilizing historical or simulation generated wireless channel data. This paper…

cs.IT2023★ 4 cited

A Tutorial on Environment-Aware Communications via Channel Knowledge Map for 6G

Yong Zeng, Junting Chen, Jie Xu +7

Sixth-generation (6G) mobile communication networks are expected to have dense infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified positioning…