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相关论文: A Projective Geometric View for 6D Pose Estimation…

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Maintaining reliable millimeter wave (mmWave) connections to many fast-moving mobiles is a key challenge in the theory and practice of 5G systems. In this paper, we develop a new algorithm that can jointly track the beam direction and…

信息论 · 计算机科学 2018-02-14 Jiahui Li , Yin Sun , Limin Xiao , Shidong Zhou , Ashutosh Sabharwal

In this work, we explore the use of objects in Simultaneous Localization and Mapping in unseen worlds and propose an object-aided system (OA-SLAM). More precisely, we show that, compared to low-level points, the major benefit of objects…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Matthieu Zins , Gilles Simon , Marie-Odile Berger

We consider a system that integrates positioning and single-user millimeter wave (mmWave) communication, where the communication part adopts wavelength division multiplexing (WDM) and orbital angular momentum (OAM). This paper addresses the…

信息论 · 计算机科学 2022-10-13 Yuan Wang , Chen Gong , Nuo Huang , Zhengyuan Xu

Accurately aligning millimeter-wave (mmWave) and terahertz (THz) narrow beams is essential to satisfy reliability and high data rates of 5G and beyond wireless communication systems. However, achieving this objective is difficult,…

信息论 · 计算机科学 2023-08-22 Tawfik Osman , Gouranga Charan , Ahmed Alkhateeb

We develop a direction of arrival (DoA) and channel estimation algorithm for the one-bit quantized millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) system. By formulating the estimation problem as a noisy one-bit…

信号处理 · 电气工程与系统科学 2019-09-24 Liangyuan Xu , Feifei Gao , Cheng Qian

Six-dimensional movable antenna (6DMA) is a promising technology to fully exploit spatial variation in wireless channels by allowing flexible adjustment of three-dimensional (3D) positions and rotations of antennas at the transceiver. In…

信息论 · 计算机科学 2025-06-05 Qijun Jiang , Xiaodan Shao , Rui Zhang

Future sixth-generation (6G) networks are envisioned to provide both sensing and communications functionalities by using densely deployed base stations (BSs) with massive antennas operating in millimeter wave (mmWave) and terahertz (THz).…

信息论 · 计算机科学 2023-08-16 Haocheng Hua , Jie Xu

Visual information, captured for example by cameras, can effectively reflect the sizes and locations of the environmental scattering objects, and thereby can be used to infer communications parameters like propagation directions, receiver…

信号处理 · 电气工程与系统科学 2022-07-26 Weihua Xu , Feifei Gao , Xiaoming Tao , Jianhua Zhang , Ahmed Alkhateeb

Millimeter-wave (mmWave) systems use directional beams to support high-rate data communications. Small misalignment between the transmit and receive beams (e.g., due to the mobility) can result in significant drop of the received signal…

信号处理 · 电气工程与系统科学 2018-02-13 Dalin Zhu , Junil Choi , Qian Cheng , Weimin Xiao , Robert W. Heath

Millimeter-Wave (mmWave) radar can enable high-resolution human pose estimation with low cost and computational requirements. However, mmWave data point cloud, the primary input to processing algorithms, is highly sparse and carries…

图像与视频处理 · 电气工程与系统科学 2022-05-03 Sizhe An , Umit Y. Ogras

This paper presents GoPose, a 3D skeleton-based human pose estimation system that uses WiFi devices at home. Our system leverages the WiFi signals reflected off the human body for 3D pose estimation. In contrast to prior systems that need…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yili Ren , Jie Yang

6D object pose estimation is the problem of identifying the position and orientation of an object relative to a chosen coordinate system, which is a core technology for modern XR applications. State-of-the-art 6D object pose estimators…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Thomas Pöllabauer , Jiayin Li , Volker Knauthe , Sarah Berkei , Arjan Kuijper

Simultaneous localization and mapping (SLAM) plays a critical role in integrated sensing and communication (ISAC) systems for sixth-generation (6G) millimeter-wave (mmWave) networks, enabling environmental awareness and precise user…

信息论 · 计算机科学 2025-07-09 Hang Que , Jie Yang , Tao Du , Shuqiang Xia , Chao-Kai Wen , Shi Jin

In this paper, a cooperative localization algorithm is proposed that considers the existence of obstacles in mobilityassisted wireless sensor networks (WSNs). In this scheme, a mobile anchor (MA) node cooperates with static sensor nodes and…

信息论 · 计算机科学 2016-11-17 Hongyang Chen , Qingjiang Shi , Pei Huang , H. Vincent Poor , Kaoru Sezaki

This paper introduces a new approach to localize user devices located in non-line-of-sight (NLOS) areas using a passive, non-reconfigurable, and frequency-selective metasurface called metaprism. By analyzing the spatial filtering of…

信号处理 · 电气工程与系统科学 2023-07-25 Marina Lotti , Giacomo Calesini , Davide Dardari

Recently, there has been an increasing interest in 6G technology for integrated sensing and communications, where positioning stands out as a key application. In the realm of 6G, cell-free massive multiple-input multiple-output (MIMO)…

信号处理 · 电气工程与系统科学 2025-05-05 Manish Kumar , Tzu-Hsuan Chou , Byunghyun Lee , Nicolo Michelusi , David J. Love , James V. Krogmeier

Real-time six degree-of-freedom pose estimation with ground vehicles represents a relevant and well studied topic in robotics, due to its many applications, such as autonomous driving and 3D mapping. Although some systems exist already,…

机器人学 · 计算机科学 2021-09-14 Matteo Frosi , Matteo Matteucci

Millimetre wave (mm-wave) communication is considered as one of the most important enablers for the fifth generation communication (5G) system to support data rate of Gbps and above. In some scenarios, it is crucial to maintain a line of…

信息论 · 计算机科学 2017-06-05 Yinan Qi , Mythri Hunukumbure , Yue Wang

The quasi-optical propagation of millimeter-wave signals enables high-accuracy localization algorithms that employ geometric approaches or machine learning models. However, most algorithms require information on the indoor environment, may…

信号处理 · 电气工程与系统科学 2024-07-31 Anish Shastri , Steve Blandino , Camillo Gentile , Chiehping Lai , Paolo Casari

In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries. With the emergence of fifth-generation (5G) millimeter-wave (mmWave) devices, near-field SAR…

信号处理 · 电气工程与系统科学 2023-05-04 Josiah Smith , Murat Torlak