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Research in location determination for GSM phones has gained interest recently as it enables a wide set of location based services. RSSI-based techniques have been the preferred method for GSM localization on the handset as RSSI information…

Networking and Internet Architecture · Computer Science 2010-10-19 Mohamed Ibrahim , Moustafa Youssef

By reconfiguring wireless channels via passive signal reflection, intelligent reflecting surface (IRS) can bring significant performance enhancement for wireless communication systems. However, such performance improvement generally relies…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Ge Yan , Lipeng Zhu , Rui Zhang

Routing in Software-Defined Wireless sensor networks (SD-WSNs) can be either single or multi-hop, whereas the network is either static or dynamic. In static SD-WSN, the selection of the optimum route from source to destination is…

Networking and Internet Architecture · Computer Science 2021-03-19 Anuradha Banerjee , Abu Sufian , Ali Safaa Sadiq , Seyedali Mirjalili

This work considers the problem of locating a single source from noisy range measurements to a set of nodes in a wireless sensor network. We propose two new techniques that we designate as Source Localization with Nuclear Norm (SLNN) and…

Optimization and Control · Mathematics 2011-11-30 Pınar Oğuz-Ekim , João Gomes , João Xavier , Marko Stošić , Paulo Oliveira

We present Autonomous Rssi based RElative poSitioning and Tracking (ARREST), a new robotic sensing system for tracking and following a moving, RF-emitting object, which we refer to as the Leader, solely based on signal strength information.…

Robotics · Computer Science 2017-10-26 Pradipta Ghosh , Jason A. Tran , Bhaskar Krishnamachari

The Global Navigation Satellite Systems (GNSS) like GPS suffer from accuracy degradation and are almost unavailable in indoor environments. Indoor positioning systems (IPS) based on WiFi signals have been gaining popularity. However, owing…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Pranav Sankhe , Saqib Azim , Sachin Goyal , Tanya Choudhary , Kumar Appaiah , Sukumar Srikant

Sensor nodes localization in wireless Internet of Things (IoT) sensor networks is crucial for the effective operation of diverse applications, such as smart cities and smart agriculture. Existing sensor nodes localization approaches heavily…

Signal Processing · Electrical Eng. & Systems 2026-01-19 Ayesh Abu Lehyeh , Anastassia Gharib , Tian Xia , Dryver Huston , Safwan Wshah

This paper studies 3-D distributed network localization using mixed types of local relative measurements. Each node holds a local coordinate frame without a common orientation and can only measure one type of information (relative position,…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Xu Fang , Xiaolei Li , Lihua Xie

Localization of a radio frequency (RF) signal source has various use cases, ranging from search and rescue, identification and deactivation of jammers, and tracking hostile activity near borders or on the battlefield. The use of unmanned…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Hyeokjun Kwon , Ismail Guvenc

This paper considers a general stochastic resource allocation problem that arises widely in wireless networks, cognitive radio, networks, smart-grid communications, and cross-layer design. The problem formulation involves expectations with…

Optimization and Control · Mathematics 2017-12-12 Amrit Singh Bedi , Ketan Rajawat

Localization in wireless sensor networks not only provides a node with its geographical location but also a basic requirement for other applications such as geographical routing. Although a rich literature is available for localization in…

Networking and Internet Architecture · Computer Science 2015-04-28 Haroon Rashid , Ashok Kumar Turuk

This paper considers a distributed stochastic non-convex optimization problem, where the nodes in a network cooperatively minimize a sum of $L$-smooth local cost functions with sparse gradients. By adaptively adjusting the stepsizes…

Optimization and Control · Mathematics 2024-04-01 Dongyu Han , Kun Liu , Yeming Lin , Yuanqing Xia

Recent investigations have established the physical relevance of spatially-localized instability mechanisms in fluid dynamics and their potential for technological innovations in flow control. In this letter, we show that the mathematical…

Fluid Dynamics · Physics 2024-11-11 Talha Mushtaq , Maziar S. Hemati

Near-field localization is expected to play a crucial role in enabling a plethora of applications under the paradigm of 6G networks. The conventional localization methods rely on complex infrastructure for providing cooperative anchor nodes…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Srikar Sharma Sadhu , Praful D. Mankar , Santosh Nannuru

A radio tomographic imaging (RTI) system uses the received signal strength (RSS) measured by RF sensors in a static wireless network to localize people in the deployment area, without having them to carry or wear an electronic device. This…

Networking and Internet Architecture · Computer Science 2013-12-20 Maurizio Bocca , Anh Luong , Neal Patwari , Thomas Schmid

We consider the problem of estimating an RF-device's location based on observations, such as received signal strength, from a set of transmitters with known locations. We survey the literature on this problem, showing that previous authors…

Networking and Internet Architecture · Computer Science 2017-03-09 Nachikethas A. Jagadeesan , Bhaskar Krishnamachari

This paper presents a solution to the problem of monitoring a region of interest (RoI) using a set of nodes that is not sufficient to achieve the required degree of monitoring coverage. In particular, sensing coverage of wireless sensor…

Networking and Internet Architecture · Computer Science 2016-03-04 Mohammad Abu Alsheikh , Shaowei Lin , Hwee-Pink Tan , Dusit Niyato

Ray tracing (RT) simulations require accurate transmitter (TX) and receiver (RX) location information from real-world measurements to accurately characterize wireless propagation behavior in an environment. Such wireless propagation…

Signal Processing · Electrical Eng. & Systems 2025-09-16 Mingjun Ying , Peijie Ma , Dipankar Shakya , Theodore S. Rappaport

Reconfigurable intelligent surfaces (RISs) are considered as an enabling technology for the upcoming sixth generation of wireless systems, exhibiting significant potential for radio localization and sensing. An RIS is usually treated as an…

Signal Processing · Electrical Eng. & Systems 2023-11-16 Reza Ghazalian , Hui Chen , George C. Alexandropoulos , Gonzalo Seco-Granados , Henk Wymeersch , Riku Jäntti

Foot-mounted inertial positioning (FMIP) can face problems of inertial drifts and unknown initial states in real applications, which renders the estimated trajectories inaccurate and not obtained in a well defined coordinate system for…

Machine Learning · Statistics 2017-06-05 Yang Gu , Caifa Zhou , Andreas Wieser , Zhimin Zhou
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