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Enabling passive sensing of the environment using cellular base stations (BSs) will be one of the disruptive features of the sixth-generation (6G) networks. However, accurate localization and positioning of objects are challenging to…

信号处理 · 电气工程与系统科学 2024-01-26 Maximiliano Rivera Figueroa , Pradyumna Kumar Bishoyi , Marina Petrova

We investigate joint bistatic positioning (BP) and monostatic sensing (MS) within a multi-input multi-output orthogonal frequency-division system. Based on the derived Cram\'er-Rao Bounds (CRBs), we propose novel beamforming optimization…

信号处理 · 电气工程与系统科学 2025-03-06 Yuchen Zhang , Hui Chen , Pinjun Zheng , Boyu Ning , Hong Niu , Henk Wymeersch , Tareq Y. Al-Naffouri

Addressing the communication and sensing demands of sixth-generation (6G) mobile communication system, integrated sensing and communication (ISAC) has garnered traction in academia and industry. With the sensing limitation of single base…

信号处理 · 电气工程与系统科学 2024-09-17 Haotian Liu , Zhiqing Wei , Furong Yang , Huici Wu , Kaifeng Han , Zhiyong Feng

This letter investigates target position estimation in integrated sensing and communication networks composed of multiple cooperating monostatic base stations (BSs). Each BS employs a MIMO-orthogonal time-frequency space (OTFS) scheme,…

信号处理 · 电气工程与系统科学 2025-03-05 Lorenzo Pucci , Tommaso Bacchielli , Andrea Giorgetti

Complete and textured 3D reconstruction of dynamic scenes has been facilitated by mapped RGB and depth information acquired by RGB-D cameras based multi-view systems. One of the most critical steps in such multi-view systems is to determine…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Hassan Afzal , Djamila Aouada , Michel Antunes , David Fofi , Bruno Mirbach , Björn Ottersten

Integrated sensing and communication is widely acknowledged as a foundational technology for next-generation mobile networks. Compared with monostatic sensing, multi-access point (AP) collaborative sensing endows mobile networks with…

信号处理 · 电气工程与系统科学 2025-12-03 Shengheng Liu , Xingkang Li , Yongming Huang , Yuan Fang , Qingji Jiang , Dazhuan Xu , Ziguo Zhong , Dongming Wang , Xiaohu You

In this work, we investigate the performance of a joint sensing and communication (JSC) network consisting of multiple base stations (BSs) that cooperate through a fusion center (FC) to exchange information about the sensed environment…

信号处理 · 电气工程与系统科学 2023-11-01 Elia Favarelli , Elisabetta Matricardi , Lorenzo Pucci , Enrico Paolini , Wen Xu , Andrea Giorgetti

Most existing DOA estimation methods assume ideal source incident angles with minimal noise. Moreover, directly using pre-estimated angles to calculate weighted coefficients can lead to performance loss. Thus, a green multi-modal (MM)…

人工智能 · 计算机科学 2024-11-12 Jiatong Bai , Minghao Chen , Wankai Tang , Yifan Li , Cunhua Pan , Yongpeng Wu , Feng Shu

In this work, we investigate a multistatic MIMO-OFDM joint sensing and communication (JSC) system that leverages cooperation among spatially distributed base stations (BSs) to detect and localize multiple targets through soft fusion of…

信号处理 · 电气工程与系统科学 2025-03-31 Elisabetta Matricardi , Lorenzo Pucci , Elia Favarelli , Enrico Paolini , Andrea Giorgetti

Cooperative localization is considered a key solution for enabling autonomous navigation of multi-vehicle systems (MVS) in GNSS-denied environments. Among all solutions, distributed cooperative localization (DCL) has garnered widespread…

信号处理 · 电气工程与系统科学 2025-12-17 Chenxin Tu , Xiaowei Cui , Gang Liu , Mingquan Lu

This paper addresses the density based multi-sensor cooperative fusion using random finite set (RFS) type multi-object densities (MODs). Existing fusion methods use scalar weights to characterize the relative information confidence among…

信息论 · 计算机科学 2021-07-21 Wei Yi , Lei Chai

A critical decision process in data acquisition for mineral and energy resource exploration is how to efficiently combine a variety of sensor types and to minimize total cost. We propose a probabilistic framework for multi-objective…

地球物理 · 物理学 2020-10-13 Sebastian Haan , Fabio Ramos , Dietmar Müller

A significant challenge in object detection is accurate identification of an object's position in image space, whereas one algorithm with one set of parameters is usually not enough, and the fusion of multiple algorithms and/or parameters…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Pan Wei , John E. Ball , Derek T. Anderson

We investigate localization of a source based on angle of arrival (AoA) measurements made at a geographically dispersed network of cooperating receivers. The goal is to efficiently compute accurate estimates despite outliers in the AoA…

网络与互联网体系结构 · 计算机科学 2012-06-19 Bharath Ananthasubramaniam , Upamanyu Madhow

This paper investigates the hybrid source localization problem using the four radio measurements - time of arrival (TOA), time difference of arrival (TDOA), received signal strength (RSS), and angle of arrival (AOA). First, after invoking…

信号处理 · 电气工程与系统科学 2025-10-07 Kuntal Panwar , Prabhu Babu , R. Jyothi

One of the most essential prerequisites behind a successful task execution of a team of agents is to accurately estimate and track their poses. We consider a cooperative multi-agent positioning problem where each agent performs single-agent…

机器人学 · 计算机科学 2019-03-18 Milutin Pajovic , Vikrant Shah , Philip V. Orlik

Hybrid localization in GNSS-challenged environments using measured ranges and angles is becoming increasingly popular, in particular with the advent of multimodal communication systems. Here, we address the hybrid network localization…

信号处理 · 电气工程与系统科学 2021-10-08 Claudia Soares , Filipa Valdeira , Joao Gomes

Visual localization is a fundamental task that regresses the 6 Degree Of Freedom (6DoF) poses with image features in order to serve the high precision localization requests in many robotics applications. Degenerate conditions like motion…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Yuchen Yang , Xudong Zhang , Shuang Gao , Jixiang Wan , Yishan Ping , Yuyue Liu , Jijunnan Li , Yandong Guo

Features from multiple scales can greatly benefit the semantic edge detection task if they are well fused. However, the prevalent semantic edge detection methods apply a fixed weight fusion strategy where images with different semantics are…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Yuan Hu , Yunpeng Chen , Xiang Li , Jiashi Feng

5G positioning is a very promising area that presents many opportunities and challenges. Many existing techniques rely on multiple anchor nodes and line-of-sight (LOS) paths, or single reference node and single-bounce non-LOS (NLOS) paths.…

信号处理 · 电气工程与系统科学 2023-02-16 Zhixing Li , Fan Jiang , Henk Wymeersch , Fuxi Wen
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