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This paper investigates node deployment strategies for robust multi-node cooperative localization in integrated sensing and communication (ISAC) networks.We first analyze how steering vector correlation across different positions affects…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Haojin Li , Kaiqian Qu , Chen Sun , Anbang Zhang , Xiaoxue Wang , Wenqi Zhang , Haijun Zhang

In this paper, we consider the automated planning of optimal paths for a robotic team satisfying a high level mission specification. Each robot in the team is modeled as a weighted transition system where the weights have associated…

Robotics · Computer Science 2015-03-13 Alphan Ulusoy , Stephen L. Smith , Calin Belta

To cope with the growing demand for wireless data and to extend service coverage, future 5G networks will increasingly rely on the use of low powered nodes to support massive connectivity in diverse set of applications and services [1]. To…

Information Theory · Computer Science 2014-07-08 H. Baligh , M. Hong , W. -C. Liao , Z. -Q. Luo , M. Razaviyayn , M. Sanjabi , R. Sun

High-precision wireless localization in urban canyons is challenged by noisy measurements and severe non-line-of-sight (NLOS) propagation. This paper proposes a robust three-stage algorithm synergizing a digital twin (DT) model with the…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Ziqin Zhou , Hui Chen , Gerhard Steinböck , Henk Wymeersch

Integrated Sensing and Communication (ISAC), as a fundamental technology of 6G, empowers Vehicle-to-Everything (V2X) systems with enhanced sensing capabilities. One of its promising applications is the reliance on constructed maps for…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Hanyuan Jiang , Yuxiang Zhang , Yameng Liu , Jianhua Zhang , Lei Tian , Tao Jiang

The provision of accurate localization is an increasingly important feature of wireless networks. To this end, a reliable distinction between line-of-sight (LOS) and non-LOS (NLOS) radio links is necessary to avoid degenerative localization…

Information Theory · Computer Science 2023-01-18 Onel L. A. López , Dileep Kumar , Antti Tölli

The integration of sensing and communication (ISAC) has significant potential for future wireless systems, enabling efficient spectrum utilization and novel application scenarios. In this paper, we propose a cooperative ISAC framework for…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Qiuyuan Yang , Cunhua Pan , Ruidong Li , Zhenkun Zhang , Hong Ren , Changhong Wang , Jiangzhou Wang

Network slicing emerged in 5G networks as a key component to enable the use of multiple services with different performance requirements on top of a shared physical network infrastructure. A major challenge lies on ensuring wireless…

Networking and Internet Architecture · Computer Science 2021-12-15 André Coelho , Helder Fontes , Rui Campos , Manuel Ricardo

Driven by both technological development and practical demands, the low-altitude economy relying on low-altitude aircrafts (LAAs) is booming. However, neither satellites nor terrestrial fifth-generation (5G) networks alone can effectively…

Information Theory · Computer Science 2026-03-17 Yanmin Wang , Wei Feng , Yunfei Chen , Baoquan Ren , Qingqing Wu , Cheng-Xiang Wang

In this paper, the problem of target localization in the presence of outlying sensors is tackled. This problem is important in practice because in many real-world applications the sensors might report irrelevant data unintentionally or…

Optimization and Control · Mathematics 2018-02-15 Alireza Zaeemzadeh , Mohsen Joneidi , Behzad Shahrasbi , Nazanin Rahnavard

The demand for accurate localization has risen in recent years to enable the emerging of autonomous vehicles. To have these vehicles in the traffic ecosystem of smart cities, the need for an accurate positioning system is emphasized. To…

Signal Processing · Electrical Eng. & Systems 2021-08-24 Ghazaleh Kia , Laura Ruotsalainen

The sparsity of millimeter wave (mmWave) channels in the angular and temporal domains is beneficial to channel estimation, while the associated channel parameters can be utilized for localization. However, line-of-sight (LoS) blockage poses…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Kunlun Li , Jiguang He , Mohammed El-Hajjar , Lie-Liang Yang

The use of millimeter-wave (mmWave) bands in 5G networks introduce a new set of challenges to network planning. Vulnerability to blockages and high path loss at mmWave frequencies require careful planning of the network to achieve the…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Chethan Kumar Anjinappa , Fatih Erden , Ismail Guvenc

With the recent development of technology, wireless sensor networks (WSN) are becoming an important part of many applications. Knowing the exact location of each sensor in the network is very important issue. Therefore, the localization…

Networking and Internet Architecture · Computer Science 2016-06-27 Biljana Risteska Stojkoska , Vesna Kirandziska

Positioning is becoming a key component in many Internet of Things (IoT) applications. The main challenges and limitations are the narrow bandwidth, low power and low cost which reduces the accuracy of the time of arrival (TOA) estimation.…

Signal Processing · Electrical Eng. & Systems 2020-07-21 Guangjin Pan , Tao Wang , Xiufeng Jiang , Shunqing Zhang

The fundamental goal assignment problem for a multi-robot application aims to assign a unique goal to each robot while ensuring collision-free paths, minimizing the total movement cost. A plausible algorithmic solution to this NP-hard…

Multiagent Systems · Computer Science 2024-02-22 Aakash , Indranil Saha

In the context of single-base station (BS) non-line-of-sight (NLoS) single-epoch localization with the aid of a reflective reconfigurable intelligent surface (RIS), this paper introduces a novel three-step algorithm that jointly estimates…

Signal Processing · Electrical Eng. & Systems 2025-09-08 Moustafa Rahal , Benoit Denis , Musa Furkan Keskin , Bernard Uguen , Henk Wymeersch

Millimeter-wave (mmWave) systems in the 30--300 GHz bands are among the fundamental enabling technologies of 5G and beyond 5G, providing large bandwidths, not only for high data rate communication, but also for precise positioning services,…

Signal Processing · Electrical Eng. & Systems 2023-02-03 Shengqiang Shen , Henk Wymeersch

Absolute positioning is an essential factor for the arrival of autonomous driving. Global Navigation Satellites System (GNSS) receiver provides absolute localization for it. GNSS solution can provide satisfactory positioning in open or…

Robotics · Computer Science 2018-05-01 Weisong Wen , Guohao Zhang , Li-Ta Hsu

Many applications have been identified which require the deployment of large-scale low-power wireless sensor networks. Some of the deployment environments, however, impose harsh operation conditions due to intense cross-technology…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Abiy Tasissa , Waltenegus Dargie