12 papers
Rotating ULA-Enabled Computed Tomography for Efficient 3D Spatial Power Spectrum Synthesis: Architecture and Principled Orientation Design
Haocheng Hua, Weidong Mei, Jie Xu +1
This paper proposes an efficient three-dimensional (3D) spatial power spectrum synthesis method by rotating a uniform linear array (ULA) about its center in 3D space. Inspired by c…
Microwave Linear Analog Computers Aided Multiuser Communication: General Impedance Matching and Precoding Optimization
Rujing Xiong, Jie Xu, Rui Zhang
Microwave linear analog computers (MiLACs) have recently emerged as a hardware-efficient solution for implementing multi-antenna communication systems. Unlike existing MiLAC design…
Channel Gain Map Reconstruction Based on Virtual Scatterer Model
He Sun, Lipeng Zhu, Jie Xu +1
This paper proposes an efficient method for modeling and reconstructing the channel gain map (CGM) based on virtual scatterers. Specifically, we develop a virtual scatterer model t…
Two-timescale Optimization for Hybrid Mechanically and Electronically Tunable 6DMA Aided Communication
Yuyan Zhou, Haocheng Hua, Jie Xu +1
This letter proposes a hybrid mechanically and electronically tunable six-dimensional movable antenna (6DMA) base station (BS) architecture for future wireless communication networ…
6D Channel Knowledge Map Construction via Bidirectional Wireless Gaussian Splatting
Juncong Zhou, Chao Hu, Guanlin Wu +5
This paper investigates the construction of channel knowledge map (CKM) from sparse channel measurements. Dif ferent from conventional two-/three-dimensional (2D/3D) CKM approaches…
Throughput Maximization for Multiuser Communications with Flexible-Sector 6DMA
Xiaoming Shi, Yunli Li, Xiaodan Shao +2
This paper presents a cost-effective and easily-deployable flexible-sector six-dimensional movable antenna (6DMA) architecture for future wireless communication networks, which ena…
Rotatable Antenna-Enabled Spectrum Sharing in Cognitive Radio Systems
Yanhua Tan, Beixiong Zheng, Yi Fang +3
Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among…
Environment-Aware IRS Deployment via Channel Knowledge Map: Joint Sensing-Communications Coverage Optimization
Yilong Chen, Zixiang Ren, Jie Xu +1
This paper studies the intelligent reflecting surface (IRS) deployment optimization problem for IRS-enabled integrated sensing and communications (ISAC) systems, in which multiple…
Flexible-Sector 6DMA Base Station: Modeling and Design
Yunli Li, Xiaoming Shi, Xiaodan Shao +2
Six-dimensional movable antenna (6DMA) has emerged as a promising new technology for future wireless networks, which can adaptively adjust the three-dimensional (3D) positions and…
Near-Field Communication with Massive Movable Antennas: A Functional Perspective
Shicong Liu, Xianghao Yu, Jie Xu +1
The advent of massive multiple-input multiple-output (MIMO) technology has provided new opportunities for capacity improvement via strategic antenna deployment, especially when the…
Hierarchically Tunable 6DMA for Wireless Communication and Sensing: Modeling and Performance Optimization
Haocheng Hua, Yuyan Zhou, Weidong Mei +2
This paper proposes a new hierarchically tunable six-dimensional movable antenna (HT-6DMA) architecture for base station (BS) in future wireless networks. The HT-6DMA BS consists o…
Near-Field Integrated Sensing and Communication with Extremely Large-Scale Antenna Array
Haocheng Hua, Jie Xu, Rui Zhang
This paper studies a near-field integrated sensing and communication (ISAC) system with extremely large-scale antenna array (ELAA), in which a base station (BS) deployed with enorm…