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AF-DCGAN: Amplitude Feature Deep Convolutional GAN for Fingerprint Construction in Indoor Localization Systems
[article]
2019
arXiv
pre-print
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The extended fingerprint database both reduces the human effort involved in fingerprint database construction and the accuracy of an indoor localization system, as demonstrated in the experiments. ...
In this paper, we collect Channel State Information (CSI) data at reference points by the method of device-free localization, then we convert collected CSI data into amplitude feature maps and extend the ...
Based on the extended fingerprint database, the accuracy of the indoor localization system can be improved with reduced human effort.
IV. ...
arXiv:1804.05347v3
fatcat:mqjqzxim6bcn5ayuanw5ux7gbm
Using Generative Adversarial Nets to Reduce Fingerprint Collection for Indoor Localization
2018
DEStech Transactions on Computer Science and Engineering
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Based on the extended fingerprint database, the accuracy of indoor localization systems can be improved with reduced human effort. ...
In this paper, we convert channel state information (CSI) data into amplitude feature maps to construct initial fingerprint library and then extend the fingerprint database using the proposed improved ...
efficiency and reduced human effort. ...
doi:10.12783/dtcse/wicom2018/26281
fatcat:tkzlbh6wuze2hcxxdzfjqsiwga
Enhancing the Performance of Indoor Device-Free Passive Localization
2015
International Journal of Distributed Sensor Networks
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Device-free passive localization (DFPL) has been an emerging application with fast increasing development. ...
Channel State Information-(CSI-) based DFPL is recently paid more attention to for fine-granularity and stability of CSI. However, lots of dead spots exist in the area of interest. ...
It works with a low number of streams but needs substantial calibration efforts. ...
doi:10.1155/2015/256162
fatcat:fwtcdmu5qvd6diqmvwccnah7ka
Joint Activity Recognition and Indoor Localization
[article]
2019
arXiv
pre-print
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Recent years have witnessed the rapid development in the research topic of WiFi sensing that automatically senses human with commercial WiFi devices. ...
More precisely, we develop a system running standard IEEE 802.11n WiFi protocol, and collect more than 1400 CSI fingerprints on 6 activities at 16 indoor locations. ...
As for indoor localization, [31] - [34] collect CSI fingerprints corresponding to people locations, and train classifiers to localize people with collected CSI fingerprints. ...
arXiv:1904.04964v1
fatcat:lckjov4a3vhidptwt3jmefglxu
A Framework for CSI-Based Indoor Localization with 1D Convolutional Neural Networks
[article]
2022
arXiv
pre-print
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Recently, considerable progress has been made in Channel State Information (CSI) based indoor localization with signal fingerprints. ...
CSI fingerprinting to tackle this problem. ...
A few other efforts have explored CSI-based localization with deep learning models. ...
arXiv:2205.08068v1
fatcat:7fyib6rtpzdsdept7avkhwgipu
CSI-based Fingerprinting for Indoor Localization: A Deep Learning Approach
[article]
2016
arXiv
pre-print
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Based on three hypotheses on CSI, the DeepFi system architecture includes an off-line training phase and an on-line localization phase. ...
In this paper, we present a novel deep learning based indoor fingerprinting system using Channel State Information (CSI), which is termed DeepFi. ...
Recently, considerable efforts are made on indoor localization systems based on new hardware, with low cost, and high accuracy. ...
arXiv:1603.07080v1
fatcat:3t5eeujddvfotacaa4asurzzru
Sensorless sensing with WiFi
2015
Tsinghua Science and Technology
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It seeks breakthroughs from dedicated radar systems, and aims to balance between low cost and high accuracy, to meet the rising demand for pervasive environment perception in everyday life. ...
With fusion of multiple links, CSI also facilitates fine-grained passive human localization [19] . Xi et al. ...
Such multipath-induced RSS fluctuation may cause false match in fingerprint-based localization. ...
doi:10.1109/tst.2015.7040509
fatcat:gtiqpnqxdzdtfj6xw2hkpjpklu
Communicating Is Crowdsourcing: Wi-Fi Indoor Localization with CSI-Based Speed Estimation
2014
Journal of Computer Science and Technology
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In this work, we propose a passive crowdsourcing CSI-based indoor localization scheme, C 2 IL. ...
Among them, Wi-Fi fingerprint-based approaches are the most popular solutions, and the core challenge of that is to lower the cost of fingerprint site-survey. ...
The relatively good accuracy and simplicity of fingerprint based localization schemes has attracted massive of effort in the community. ...
doi:10.1007/s11390-014-1452-7
fatcat:ier6ui6xjfhsvaqplxjmbgjw6m
LiFS
2016
Proceedings of the 22nd Annual International Conference on Mobile Computing and Networking - MobiCom '16
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Thus, CSIs on the "clean" subcarriers can be utilized for accurate localization. We design, implement and evaluate LiFS with extensive experiments in three different environments. ...
Device-free localization of people and objects indoors not equipped with radios is playing a critical role in many emerging applications. ...
A propagation-centric transmitter localization method for deriving the spatial structure of opportunistic wireless networks. In Proc. ...
doi:10.1145/2973750.2973776
dblp:conf/mobicom/WangJXJCFX16
fatcat:5frhwowwtrge5gy4mtyurqkrhu
A Survey on Wireless Indoor Localization from the Device Perspective
2016
ACM Computing Surveys
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novel human-centric device-free localization. ...
Obviously, these ILBSs have been bounded up with social activities of humans, such that there is a pressing need to accurately and effectively gain the location information. ...
In , a fine-grained CSI-based fingerprinting scheme is proposed for indoor localization. ...
doi:10.1145/2933232
fatcat:5zoyp6d6knelrmkj2tx6gd4utu
Pilot: Passive Device-Free Indoor Localization Using Channel State Information
2013
2013 IEEE 33rd International Conference on Distributed Computing Systems
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Afterwards, a probabilistic algorithm is proposed to match the abnormal CSI to the fingerprint database to estimate the positions of potential existing entities. ...
In this paper, we present Pilot, a Channel State Information (CSI)-based DfP indoor localization system in WLAN. ...
In the perspective of future research, we intend to exploit other approaches other than fingerprinting for CSI-based device-free indoor localization to offload the calibration efforts, and improve accuracy ...
doi:10.1109/icdcs.2013.49
dblp:conf/icdcs/XiaoWYWN13
fatcat:qvgy6gtaqfewfhapdxryk7bliy
Semi-Supervised Learning with GANs for Device-Free Fingerprinting Indoor Localization
[article]
2020
arXiv
pre-print
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Device-free wireless indoor localization is a key enabling technology for the Internet of Things (IoT). Fingerprint-based indoor localization techniques are a commonly used solution. ...
This paper proposes a semi-supervised, generative adversarial network (GAN)-based device-free fingerprinting indoor localization system. ...
In [12] , a manifold alignment approach to reduce the overall fingerprint calibration effort was developed. ...
arXiv:2008.07111v1
fatcat:zfsiipyuvnd5bh3e4i3om4llpa
Accurate Location Tracking From CSI-Based Passive Device-Free Probabilistic Fingerprinting
2018
IEEE Transactions on Vehicular Technology
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To enable precise positioning in the presence of heavy multipath effects in cluttered indoor scenarios, we experimentally validate the unpredictability of CSI measurements and suggest a probabilistic fingerprint-based ...
We have evaluated the performance of our system in four indoor environments and compared it with state-of-art indoor localization schemes. ...
In this work, we propose a probabilistic fingerprint-based DfP localization scheme to analyze human-induced variance of CSI measurements. ...
doi:10.1109/tvt.2018.2810307
fatcat:udix75qztncnhobouqzbe3uxni
Kullback–Leibler Divergence Based Probabilistic Approach for Device-Free Localization Using Channel State Information
2019
Sensors
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Additionally, we propose a kind of combined fingerprints to simultaneously utilize the CSI amplitudes and phases, hoping to improve localization accuracy. ...
information of CSI. ...
For example, when we set α a and α p to be 0.01, we will obtain a localization error of 1.52433 m with the amplitude fingerprints, and 1.56442 m with the phase fingerprints. ...
doi:10.3390/s19214783
pmid:31684166
pmcid:PMC6864440
fatcat:hc6b5rooqfdaxf3vimcywmsbri
A novel CSI-based fingerprinting for localization with a single AP
2019
EURASIP Journal on Wireless Communications and Networking
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Performance in the laboratory, meeting room, and corridor is investigated, and our system is also compared with a RSSI-based and a CSI-based fingerprint localization system. ...
Among them, fingerprint-based method gains considerable interest due to its high accuracy and low equipment requirement. ...
Comparison with other localization system Our localization system is compared with two fingerprint-based systems, i.e., a RSSI-based system (RADAR) [33] and a CSI-based system (CSI-MIMO) [20] in the ...
doi:10.1186/s13638-019-1371-y
fatcat:dpr6juis4fcphilvk6mrrhx7ru
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