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Article: Sensorless sensing with WiFi

TitleSensorless sensing with WiFi
Authors
Keywordsubiquitous computing
indoor localization
wireless networks
activity recognition
Channel State Information (CSI)
WiFi
sensorless sensing
device-free human detection
Issue Date2015
Citation
Tsinghua Science and Technology, 2015, v. 20, n. 1, p. 1-6 How to Cite?
AbstractCan WiFi signals be used for sensing purpose? The growing PHY layer capabilities of WiFi has made it possible to reuse WiFi signals for both communication and sensing. Sensing via WiFi would enable remote sensing without wearable sensors, simultaneous perception and data transmission without extra communication infrastructure, and contactless sensing in privacy-preserving mode. Due to the popularity of WiFi devices and the ubiquitous deployment of WiFi networks, WiFi-based sensing networks, if fully connected, would potentially rank as one of the world's largest wireless sensor networks. Yet the concept of wireless and sensorless sensing is not the simple combination of WiFi and radar. 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. Despite increasing research interest, wireless sensing is still in its infancy. Through introductions on basic principles and working prototypes, we review the feasibilities and limitations of wireless, sensorless, and contactless sensing via WiFi. We envision this article as a brief primer on wireless sensing for interested readers to explore this open and largely unexplored field and create next-generation wireless and mobile computing applications.
Persistent Identifierhttp://hdl.handle.net/10722/303443
ISSN
2023 Impact Factor: 5.2
2023 SCImago Journal Rankings: 1.580

 

DC FieldValueLanguage
dc.contributor.authorZhou, Zimu-
dc.contributor.authorWu, Chenshu-
dc.contributor.authorYang, Zheng-
dc.contributor.authorLiu, Yunhao-
dc.date.accessioned2021-09-15T08:25:19Z-
dc.date.available2021-09-15T08:25:19Z-
dc.date.issued2015-
dc.identifier.citationTsinghua Science and Technology, 2015, v. 20, n. 1, p. 1-6-
dc.identifier.issn1007-0214-
dc.identifier.urihttp://hdl.handle.net/10722/303443-
dc.description.abstractCan WiFi signals be used for sensing purpose? The growing PHY layer capabilities of WiFi has made it possible to reuse WiFi signals for both communication and sensing. Sensing via WiFi would enable remote sensing without wearable sensors, simultaneous perception and data transmission without extra communication infrastructure, and contactless sensing in privacy-preserving mode. Due to the popularity of WiFi devices and the ubiquitous deployment of WiFi networks, WiFi-based sensing networks, if fully connected, would potentially rank as one of the world's largest wireless sensor networks. Yet the concept of wireless and sensorless sensing is not the simple combination of WiFi and radar. 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. Despite increasing research interest, wireless sensing is still in its infancy. Through introductions on basic principles and working prototypes, we review the feasibilities and limitations of wireless, sensorless, and contactless sensing via WiFi. We envision this article as a brief primer on wireless sensing for interested readers to explore this open and largely unexplored field and create next-generation wireless and mobile computing applications.-
dc.languageeng-
dc.relation.ispartofTsinghua Science and Technology-
dc.subjectubiquitous computing-
dc.subjectindoor localization-
dc.subjectwireless networks-
dc.subjectactivity recognition-
dc.subjectChannel State Information (CSI)-
dc.subjectWiFi-
dc.subjectsensorless sensing-
dc.subjectdevice-free human detection-
dc.titleSensorless sensing with WiFi-
dc.typeArticle-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1109/TST.2015.7040509-
dc.identifier.scopuseid_2-s2.0-84923263189-
dc.identifier.volume20-
dc.identifier.issue1-
dc.identifier.spage1-
dc.identifier.epage6-

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