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We consider a wireless network composed of three nodes and limited by the half-duplex and total power constraints. This formulation encompasses many of the special cases studied in the literature and allows for capturing the common features…

Information Theory · Computer Science 2007-07-13 Lifeng Lai , Ke Liu , Hesham El Gamal

Flexible coupler antenna systems have recently received significant research interest due to their capability to intelligently reconfigure wireless channels by controlling coupler positions and/or rotations and dynamically exploiting mutual…

Information Theory · Computer Science 2026-05-21 Xiaodan Shao , Chuangye Shan , Weihua Zhuang , Xuemin Shen

Location awareness is a key factor for a wealth of wireless indoor applications. Its provision requires the careful fusion of diverse information sources. For agents that use radio signals for localization, this information may either come…

Information Theory · Computer Science 2018-12-11 Erik Leitinger , Paul Meissner , Christoph Rüdisser , Gregor Dumphart , Klaus Witrisal

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

Reconfigurable Intelligent Surfaces (RIS) show great promise in the realm of 6th generation (6G) wireless systems, particularly in the areas of localization and communication. Their cost-effectiveness and energy efficiency enable the…

Signal Processing · Electrical Eng. & Systems 2024-03-12 Han Yan , Hua Chen , Wei Liu , Songjie Yang , Gang Wang , Chau Yuen

This work studies multiple-antenna wireless communication systems based on super-resolution arrays (SRAs). We consider the uplink of a multiple-antenna system in which users communicate with a multiple-antenna base station equipped with…

Information Theory · Computer Science 2023-12-12 S. Pinto , R. C. de Lamare

The present work considers the localization problem in wireless sensor networks formed by fixed nodes. Each node seeks to estimate its own position based on noisy measurements of the relative distance to other nodes. In a centralized batch…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-19 Gemma Morral , Pascal Bianchi

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…

Information Theory · Computer Science 2025-07-09 Hang Que , Jie Yang , Tao Du , Shuqiang Xia , Chao-Kai Wen , Shi Jin

The 5G wireless network architecture will bring dense deployments of base stations called {\em small cells} for both outdoors and indoors traffic. The feasibility of their dense deployments depends on the existence of a high data-rate…

Information Theory · Computer Science 2015-08-04 Song-Nam Hong , Ivana Maric , Dennis Hui

Wi-Fi sensing systems are severely hindered by domain shifts when deployed in unseen real-world environments. While existing methods attempt to tackle this through Unsupervised Domain Adaptation (UDA) or Domain Generalization (DG), they…

Machine Learning · Computer Science 2026-03-16 Ke Xu , Zhiyong Zheng , Hongyuan Zhu , Lei Wang , Jiangtao Wang

In this paper, we investigate a cell-free massive multiple-input multiple-output system, which exhibits great potential in enhancing the capabilities of next-generation mobile communication networks. We first study the distributed…

Information Theory · Computer Science 2024-10-08 Ziheng Liu , Jiayi Zhang , Enyu Shi , Yiyang Zhu , Derrick Wing Kwan Ng , Bo Ai

The recent increase in number of wireless devices has been driven by the growing markets of smart homes and the Internet of Things (IoT). As a result, expanding and/or efficient utilization of the radio frequency (RF) spectrum is critical…

Information Theory · Computer Science 2017-02-07 Thuan Nguyen , Thinh Nguyen

Relational learning aims to make relation inference by exploiting the correlations among different types of entities. Exploring relational learning on multiple bipartite graphs has been receiving attention because of its popular…

Information Retrieval · Computer Science 2020-07-17 Jingchao Su , Xu Chen , Ya Zhang , Siheng Chen , Dan Lv , Chenyang Li

The emergence of movable antenna (MA) technology provides a promising way to enhance wireless sensing and communication by introducing spatial degrees of freedom through dynamic array reconfiguration. In near-field localization, achieving…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Yuxin Duan , Boyu Teng , Xiaojun Yuan , Rui Wang

In this paper, a three-dimensional (3D) deployment scheme of pinching antenna array is proposed, aiming to enhances the performance of integrated sensing and communication (ISAC) systems. To fully realize the potential of 3D deployment, a…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Qian Gao , Ruikang Zhong , Yue Liu , Hyundong Shin , Yuanwei Liu

The evolution toward sixth-generation (6G) wireless networks has introduced programmable wireless environments (PWEs) and reconfigurable intelligent surfaces (RISs) as transformative elements for achieving near-deterministic wireless…

Localizing mobile robotic nodes in indoor and GPS-denied environments is a complex problem, particularly in dynamic, unstructured scenarios where traditional cameras and LIDAR-based sensing and localization modalities may fail.…

Robotics · Computer Science 2023-07-06 Ehsan Latif , Ramviyas Parasuraman

In this paper, a novel Three dimensional (3D) positioning framework of fluid antenna system (FAS)-enabled unmanned aerial vehicles (UAVs) is developed. In the proposed framework, a set of controlled UAVs cooperatively estimate the real-time…

Networking and Internet Architecture · Computer Science 2025-07-15 Xiaoren Xu , Hao Xu , Dongyu Wei , Walid Saad , Mehdi Bennis , Mingzhe Chen

While the 5G cellular system is being deployed worldwide, researchers have started the investigation of the 6G mobile communication networks. Although the essential requirements and key usage scenarios of 6G are yet to be defined, it is…

Signal Processing · Electrical Eng. & Systems 2020-06-03 Zhiqiang Xiao , Yong Zeng

Owing to the ubiquity of cellular communication signals, positioning with the fifth generation (5G) signal has emerged as a promising solution in global navigation satellite system-denied areas. Unfortunately, although the widely employed…

Signal Processing · Electrical Eng. & Systems 2023-03-09 Mengguan Pan , Shengheng Liu , Peng Liu , Wangdong Qi , Yongming Huang , Wang Zheng , Qihui Wu , Markus Gardill
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