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Related papers: Indoor Millimeter Wave Localization using Multiple…

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Location information of sensor nodes has become an essential part of many applications in Wireless Sensor Networks (WSN). The importance of location estimation and object tracking has made them the target of many security attacks. Various…

Networking and Internet Architecture · Computer Science 2012-04-17 Ali P. Fard , Mahdy Nabaee

This paper proposes recurrent neuron networks (RNNs) for a fingerprinting indoor localization using WiFi. Instead of locating user's position one at a time as in the cases of conventional algorithms, our RNN solution aims at trajectory…

Signal Processing · Electrical Eng. & Systems 2022-11-09 Minh Tu Hoang , Brosnan Yuen , Xiaodai Dong , Tao Lu , Robert Westendorp , Kishore Reddy

We consider the band assignment problem in dual band systems, where the base-station (BS) chooses one of the two available frequency bands (centimeter-wave and millimeter-wave bands) to communicate data to the mobile station (MS). While the…

Signal Processing · Electrical Eng. & Systems 2018-10-04 Daoud Burghal , Rui Wang , Andreas F. Molisch

Millimeter-wave (mmWave) technology is increasingly recognized as a pivotal technology of the sixth-generation communication networks due to the large amounts of available spectrum at high frequencies. However, the huge overhead associated…

Machine learning (ML) solutions to indoor localization problems have become popular in recent years due to high positioning accuracy and low cost of implementation. This paper proposes a novel local nonparametric approach for solving…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Nora Agah , Brian Evans , Xiao Meng , Haiqing Xu

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez

We showcase the practicability of an indoor positioning system (IPS) solely based on Neural Networks (NNs) and the channel state information (CSI) of a (Massive) multiple-input multiple-output (MIMO) communication system, i.e., only build…

Signal Processing · Electrical Eng. & Systems 2019-05-29 Mark Widmaier , Maximilian Arnold , Sebastian Dörner , Sebastian Cammerer , Stephan ten Brink

We show that the sensor self-localization problem can be cast as a static parameter estimation problem for Hidden Markov Models and we implement fully decentralized versions of the Recursive Maximum Likelihood and on-line…

Optimization and Control · Mathematics 2015-06-05 Nikolas Kantas , Sumeetpal S. Singh , Arnaud Doucet

In massive multi-input multi-output (MIMO) systems, the main bottlenecks of location- and orientation-assisted beam alignment using deep neural networks (DNNs) are large training overhead and significant performance degradation. This paper…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Yuzhu Lei , Qiqi Xiao , Yinghui He , Guanding Yu

Millimeter wave (mmWave) multiple-input-multi-output (MIMO) is now a reality with great potential for further improvement. We study full-duplex transmissions as an effective way to improve mmWave MIMO systems. Compared to half-duplex…

Information Theory · Computer Science 2025-01-31 Mehdi Sattari , Hao Guo , Deniz Gündüz , Ashkan Panahi , Tommy Svensson

Millimeter wave (mmWave) technology is expected to be a major component of 5G wireless networks. Ultra-wide bandwidths of mmWave signals and the possibility of utilizing large number of antennas at the transmitter and the receiver allow…

Signal Processing · Electrical Eng. & Systems 2018-08-01 Macey Ruble , Dr. Ismail Guvenc

We propose a local modelling approach using deep convolutional neural networks (CNNs) for fine-grained image classification. Recently, deep CNNs trained from large datasets have considerably improved the performance of object recognition.…

Computer Vision and Pattern Recognition · Computer Science 2015-03-02 ZongYuan Ge , Chris McCool , Conrad Sanderson , Peter Corke

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

For millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, hybrid processing architecture is usually used to reduce the complexity and cost, which poses a very challenging issue in channel estimation. In this paper,…

Information Theory · Computer Science 2021-04-26 Peihao Dong , Hua Zhang , Geoffrey Ye Li , Ivan Simoes Gaspar , Navid NaderiAlizadeh

With the rapid development of indoor location-based services (LBSs), the demand for accurate localization keeps growing as well. To meet this demand, we propose an indoor localization algorithm based on graph convolutional network (GCN). We…

Signal Processing · Electrical Eng. & Systems 2021-04-22 Yanzan Sun , Qinggang Xie , Guangjin Pan , Shunqing Zhang , Shugong Xu

Predicting panoramic indoor lighting from a single perspective image is a fundamental but highly ill-posed problem in computer vision and graphics. To achieve locale-aware and robust prediction, this problem can be decomposed into three…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jiayang Bai , Zhen He , Shan Yang , Jie Guo , Zhenyu Chen , Yan Zhang , Yanwen Guo

Millimeter wave signals and large antenna arrays are considered enabling technologies for future 5G networks. Despite their benefits for achieving high data rate communications, their potential advantages for tracking of the location of the…

Information Theory · Computer Science 2019-07-24 Arash Shahmansoori , Bernard Uguen , Giuseppe Destino , Gonzalo Seco-Granados , Henk Wymeersch

We address the problem of vehicle self-localization from multi-modal sensor information and a reference map. The map is generated off-line by extracting landmarks from the vehicle's field of view, while the measurements are collected…

Robotics · Computer Science 2019-07-22 Nico Engel , Stefan Hoermann , Markus Horn , Vasileios Belagiannis , Klaus Dietmayer

We examine the usability of deep neural networks for multiple-input multiple-output (MIMO) user positioning solely based on the orthogonal frequency division multiplex (OFDM) complex channel coefficients. In contrast to other indoor…

Signal Processing · Electrical Eng. & Systems 2018-04-16 Maximilian Arnold , Sebastian Dörner , Sebastian Cammerer , Stephan ten Brink

Indoor localization for autonomous micro aerial vehicles (MAVs) requires specific localization techniques, since the Global Positioning System (GPS) is usually not available. We present an efficient onboard computer vision approach that…

Robotics · Computer Science 2016-10-25 V. Strobel , R. Meertens , G. C. H. E. de Croon