ABSTRACT
WiFi-based device localization is a key enabling technology for smart applications, which has attracted numerous research studies in the past decade. Most of the existing approaches rely on Line-of-Sight (LoS) signals to work, while a critical problem is often neglected: In the real-world indoor environments, WiFi signals are everywhere, but very few of them are usable for accurate localization. As a result, the localization accuracy in practice is far from being satisfactory. This paper presents Bifrost, a novel hardwaresoftware co-design for accurate indoor localization. The core idea of Bifrost is to reinvent WiFi signals, so as to provide sufficient LoS signals for localization. This is realized by exploiting the dispersion effect of signals emitted by the leaky wave antenna (LWA). We present a low-cost plug-in design of LWA that can generate orthogonal polarized signals: On one hand, LWA disperses signals of different frequencies to different angles, thus providing Angle-of-Arrival (AoA) information for the localized target. On the other hand, the target further leverages the antenna polarization mismatch to distinguish AoAs from different LWAs. In the software layer, fine-grained information in Channel State Information (CSI) is exploited to cope with multipath and noise. We implement Bifrost and evaluate its performance under various settings. The results show that the median localization error of Bifrost is 0.81m, which is 52.35% less than that of SpotFi, a state-of-the-art approach. SpotFi, when combined with Bifrost to work in the realistic settings, can reduce the localization error by 33.54%.
- 2021. IEEE Standard for Information Technology-Telecommunications and Information Exchange between Systems Local and Metropolitan Area Networks-Specific Requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 1: Enhancements for High-Efficiency WLAN. IEEE Std 802.11ax-2021 (Amendment to IEEE Std 802.11-2020) (2021).Google Scholar
- Afaz Uddin Ahmed, Reza Arablouei, Frank De Hoog, Branislav Kusy, and Raja Jurdak. 2019. Multi-radio Data Fusion for Indoor Localization Using Bluetooth and WiFi. In Proceedings of the 9th International Conference on Pervasive and Embedded Computing and Communication Systems: Volume 1: PECC.Google ScholarCross Ref
- Amazon. 2023. Amazon NETGEAR 4-Stream WiFi 6 Router. https://www.amazon.com/NETGEAR-4-Stream-WiFi-Router-R6700AX/dp/B08KTXG8Q5/ref=sr_1_5?keywords=wifi+router&qid=1687784198&sr=8-5. (2023). Accessed: 2023-06-26.Google Scholar
- Amazon. 2023. Amazon Tenda AC1200 Smart WiFi Router. https://www.amazon.com/Tenda-Wireless-Internet-MU-MIMO-AC6/dp/B06X1CHFJ5/ref=sr_1_51?keywords=wifi+router&qid=1687784310&sr=8-51. (2023). Accessed: 2023-06-26.Google Scholar
- Amazon. 2023. Amazon TP-Link AC1200 WiFi Router. https://www.amazon.com/TP-Link-AC1200-Router-Archer-A54/dp/B09G5Y1HWZ/ref=sr_1_1?keywords=wifi+router&qid=1687784198&sr=8-1. (2023). Accessed: 2023-06-26.Google Scholar
- Amazon. 2023. Amazon TP-Link Smart WiFi 6 Router. https://www.amazon.com/TP-Link-Wireless-AX1500-Wifi-Router/dp/B07ZSDR49S/ref=sr_1_3?keywords=wifi+router&qid=1687784198&sr=8-3. (2023). Accessed: 2023-06-26.Google Scholar
- Roshan Ayyalasomayajula, Aditya Arun, Chenfeng Wu, Sanatan Sharma, Abhishek Rajkumar Sethi, Deepak Vasisht, and Dinesh Bharadia. 2020. Deep Learning Based Wireless Localization for Indoor Navigation. In Proceedings of the 26st Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Kang Min Bae, Hankyeol Moon, Sung-Min Sohn, and Song Min Kim. 2023. Hawkeye: Hectometer-range Subcentimeter Localization for Large-scale mmWave Backscatter. In Proceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services (MobiSys).Google ScholarDigital Library
- Atul Bansal, Akshay Gadre, Vaibhav Singh, Anthony Rowe, Bob Iannucci, and Swarun Kumar. 2021. Owll: Accurate LoRa Localization Using the TV Whites-paces. In Proceedings of the 20th International Conference on Information Processing in Sensor Networks (IPSN).Google Scholar
- Yuanxi Cao and Sen Yan. 2021. A Low-profile High-gain Multi-beam Antenna based on 3D-printed Cylindrical Luneburg Lens. Microwave and Optical Technology Letters 63, 7 (2021).Google ScholarCross Ref
- Yuanxi Cao and Sen Yan. 2021. Multi-beam SIW Leaky-wave Antenna with 2-D Beam Scanning Capability for Millimeter-wave Radar Applications. International Journal of RF and Microwave Computer-aided Engineering 31, 5 (2021).Google ScholarCross Ref
- Yuanxi Cao, Sen Yan, and Juan Chen. 2023. An SIW Pillbox-based Compact Dual-polarized Multibeam Antenna with Passive 2-D Beam Scanning Capability. IEEE Transactions on Circuits and Systems II: Express Briefs 70, 1 (2023).Google Scholar
- Yuanxi Cao, Sen Yan, Wendong Liu, and Jianxing Li. 2023. A Wideband Multibeam Pillbox Antenna Based on Differentially Fed Leaky-wave Array. IEEE Antennas and Wireless Propagation Letters 22, 3 (2023).Google ScholarCross Ref
- Roberto Carvalho, Shan-Ho Yang, Yao-Hua Ho, and Ling-Jyh Chen. [n. d.]. Indoor Localization Using FM and DVB-T Signals. In Proceedings of the 2016 13th IEEE Annual Consumer Communications & Networking Conference (CCNC).Google Scholar
- Lili Chen, Wenjun Hu, Kyle Jamieson, Xiaojiang Chen, Dingyi Fang, and Jeremy Gummeson. [n. d.]. Pushing the Physical Limits of IoT Devices with Programmable Metasurfaces. In Proceedings of the 18th USENIX Symposium on Networked Systems Design and Implementation (NSDI).Google Scholar
- Zhe Chen, Guorong Zhu, Sulei Wang, Yuedong Xu, Jie Xiong, Jin Zhao, Jun Luo, and Xin Wang. 2019. M3: Multipath Assisted Wi-Fi Localization with a Single Access Point. IEEE Transactions on Mobile Computing 20, 2 (2019).Google Scholar
- COMFAST. 2023. CF-AX210 PRO. http://www.comfast.com.cn/index.php?m=content&c=index&a=show&catid=13&id=123. (2023). Accessed: 2023-03-17.Google Scholar
- Pei Du and Nirupama Bulusu. 2021. An Automated AR-based Annotation Tool for Indoor Navigation for Visually Impaired People. In Proceedings of the 23rd International ACM SIGACCESS Conference on Computers and Accessibility.Google ScholarDigital Library
- Pei Du and Nirupama Bulusu. 2022. Indoor Navigation for Visually Impaired People with Vertex Colored Graphs. In Proceedings of the 20th Annual International Conference on Mobile Systems, Applications and Services (MobiSys).Google ScholarDigital Library
- Yasaman Ghasempour, Rabi Shrestha, Aaron Charous, Edward Knightly, and Daniel M Mittleman. 2020. Single-shot Link Discovery for Terahertz Wireless Networks. Nature Communications 11, 1 (2020).Google Scholar
- Yasaman Ghasempour, Chia-Yi Yeh, Rabi Shrestha, Yasith Amarasinghe, Daniel Mittleman, and Edward W. Knightly. 2020. LeakyTrack: Non-coherent Single-antenna Nodal and Environmental Mobility Tracking with a Leaky-wave Antenna. In Proceedings of the 18th Conference on Embedded Networked Sensor Systems (SenSys).Google Scholar
- Yasaman Ghasempour, Chia-Yi Yeh, Rabi Shrestha, Daniel Mittleman, and Edward Knightly. 2020. Single Shot Single Antenna Path Discovery in THz Networks. In Proceedings of the 26th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Jon Gjengset, Jie Xiong, Graeme McPhillips, and Kyle Jamieson. 2014. Accurate Indoor Localization with Zero Start-up Cost. In Proceedings of the 20th Annual International Conference on Mobile Computing and Networking (MobiCom).Google Scholar
- Jon Gjengset, Jie Xiong, Graeme McPhillips, and Kyle Jamieson. 2014. Phaser: Enabling Phased Array Signal Processing on Commodity WiFi Access Points. In Proceedings of the 20th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Baoshen Guo, Weijian Zuo, Shuai Wang, Wenjun Lyu, Zhiqing Hong, Yi Ding, Tian He, and Desheng Zhang. 2022. Wepos: Weak-supervised Indoor Positioning with Unlabeled WiFi for On-demand Delivery. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 6, 2 (2022), 1--25.Google ScholarDigital Library
- Xiuzhen Guo, Yuan He, Zihao Yu, Jiacheng Zhang, Yunhao Liu, and Longfei Shangguan. 2022. RF-transformer: A Unified Backscatter Radio Hardware Abstraction. In Proceedings of the 28th Annual International Conference on Mobile Computing And Networking (MobiCom).Google ScholarDigital Library
- Xiuzhen Guo, Yuan He, Xiaolong Zheng, Liangcheng Yu, and Omprakash Gnawali. 2018. ZigFi: Harnessing Channel State Information for Cross-Technology Communication. In Proceedings of IEEE International Conference on Computer Communications (INFOCOM).Google ScholarDigital Library
- Xiuzhen Guo, Yuan He, Xiaolong Zheng, Liangcheng Yu, and Omprakash Gnawali. 2020. ZigFi: Harnessing Channel State Information for Cross-Technology Communication. IEEE/ACM Transactions on Networking 28, 1 (2020), 301--311.Google ScholarDigital Library
- Xiuzhen Guo, Longfei Shangguan, Yuan He, Nan Jing, Jiacheng Zhang, Haotian Jiang, and Yunhao Liu. 2022. Saiyan: Design and Implementation of a Low-power Demodulator for LoRa Backscatter Systems. In Proceedings of the 19th USENIX Symposium on Networked Systems Design and Implementation (NSDI).Google Scholar
- Xiuzhen Guo, Longfei Shangguan, Yuan He, Jia Zhang, Haotian Jiang, Awais Ahmad Siddiqi, and Yunhao Liu. 2020. Aloba: Rethinking ON-OFF Keying Modulation for Ambient LoRa Backscatter. In Proceedings of the 18th Conference on Embedded Networked Sensor Systems (SenSys).Google ScholarDigital Library
- Xiuzhen Guo, Longfei Shangguan, Yuan He, Jia Zhang, Haotian Jiang, Awais Ahmad Siddiqi, and Yunhao Liu. 2021. Efficient Ambient LoRa Backscatter with On-Off Keying Modulation. IEEE/ACM Transactions on Networking 30, 2 (2021), 641--654.Google ScholarDigital Library
- Yuan He, Weiguo Wang, Luca Mottola, Shuai Li, Yimiao Sun, Jinming Li, Hua Jing, Ting Wang, and Yulei Wang. 2023. Acoustic Localization System for Precise Drone Landing. IEEE Transactions on Mobile Computing (2023).Google ScholarCross Ref
- David R Jackson, Christophe Caloz, and Tatsuo Itoh. 2012. Leaky-wave Antennas. Proc. IEEE 100, 7 (2012).Google Scholar
- Chengkun Jiang, Yuan He, Songzhen Yang, Junchen Guo, and Yunhao Liu. 2019. 3D-OmniTrack: 3D Tracking with COTS RFID Systems. In Proceedings of the 18th International Conference on Information Processing in Sensor Networks (IPSN).Google ScholarDigital Library
- Chengkun Jiang, Yuan He, Xiaolong Zheng, and Yunhao Liu. 2018. Orientation-aware RFID Tracking with Centimeter-level Accuracy. In Proceedings of the 17th International Conference on Information Processing in Sensor Networks (IPSN).Google ScholarDigital Library
- Chengkun Jiang, Yuan He, Xiaolong Zheng, and Yunhao Liu. 2019. OmniTrack: Orientation-aware RFID Tracking with Centimeter-level Accuracy. IEEE Transactions on Mobile Computing 20, 2 (2019), 634--646.Google ScholarDigital Library
- Haotian Jiang, Jiacheng Zhang, Xiuzhen Guo, and Yuan He. 2021. Sense Me on the Ride: Accurate Mobile Sensing Over a LoRa Backscatter Channel. In Proceedings of the 19th ACM Conference on Embedded Networked Sensor Systems (SenSys).Google ScholarDigital Library
- Zhiping Jiang, Tom H. Luan, Xincheng Ren, Dongtao Lv, Han Hao, Jing Wang, Kun Zhao, Wei Xi, Yueshen Xu, and Rui Li. 2022. Eliminating the Barriers: Demystifying Wi-Fi Baseband Design and Introducing the PicoScenes Wi-Fi Sensing Platform. IEEE Internet of Things Journal 9, 6 (2022).Google ScholarCross Ref
- Meng Jin, Yuan He, Songzhen Yang, Yunhao Liu, Li Yan, and Yuyi Sun. 2022. Versatile RFID-based Sensing: Model, Algorithm, and Applications. IEEE Transactions on Mobile Computing (2022).Google Scholar
- Meng Jin, Kexin Li, Xiaohua Tian, Xinbing Wang, and Chenghu Zhou. 2023. Fast, Fine-grained, and Robust Grouping of RFIDs. In Proceedings of the 29th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Meng Jin, Shun Yao, Kexin Li, Xiaohua Tian, Xinbing Wang, Chenghu Zhou, and Xinde Cao. 2022. A Passive Eye-in-Hand" Camera" for Miniature Robots. In Proceedings of the 20th ACM Conference on Embedded Networked Sensor Systems (SenSys).Google ScholarDigital Library
- Atsutse Kludze, Rabi Shrestha, Chowdhury Miftah, Edward Knightly, Daniel Mittleman, and Yasaman Ghasempour. 2022. Quasi-optical 3D Localization Using Asymmetric Signatures above 100 GHz. In Proceedings of the 28th Annual International Conference on Mobile Computing And Networking (MobiCom).Google ScholarDigital Library
- Manikanta Kotaru, Kiran Joshi, Dinesh Bharadia, and Sachin Katti. 2015. SpotFi: Decimeter Level Localization Using WiFi. In Proceedings of the 2015 ACM Conference on Special Interest Group on Data Communication (SIGCOMM).Google ScholarDigital Library
- Vikram Kumar, Reza Arablouei, Raja Jurdak, Branislav Kusy, and Neil W Bergmann. 2017. RSSI-based Self-localization with Perturbed Anchor Positions. In Proceedings of the 2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC).Google ScholarDigital Library
- L-com. 2023. Circular Polarized Patch Antenna. https://www.l-com.com/wireless-antenna-24-ghz-8-dbi-circular-polarized-rh-flat-patch-antennas. (2023). Accessed: 2023-10-03.Google Scholar
- Danyang Li, Jingao Xu, Zheng Yang, Chenshu Wu, Jianbo Li, and Nicholas D Lane. 2021. Wireless Localization with Spatial-temporal Robust Fingerprints. ACM Transactions on Sensor Networks 18, 1 (2021), 1--23.Google ScholarDigital Library
- Tianxiang Li, Haofan Lu, Reza Rezvani, Ali Abedi, and Omid Abari. 2022. Bringing WiFi Localization to Any WiFi Devices. In Proceedings of the 21st ACM Workshop on Hot Topics in Networks (HotNets).Google ScholarDigital Library
- Tianxiang Li, Mohammad Hossein Mazaheri, and Omid Abari. 2022. 5g in the Sky: The Future of High-speed Internet via Unmanned Aerial Vehicles. In Proceedings of the 23rd Annual International Workshop on Mobile Computing Systems and Applications.Google ScholarDigital Library
- Xiang Li, Daqing Zhang, Qin Lv, Jie Xiong, Shengjie Li, Yue Zhang, and Hong Mei. 2017. IndoTrack: DevicefFree Indoor Human Tracking with Commodity Wi-Fi. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 1, 3 (2017).Google ScholarDigital Library
- Bo Liang, Purui Wang, Renjie Zhao, Heyu Guo, Pengyu Zhang, Junchen Guo, Shunmin Zhu, Hongqiang Harry Liu, Xinyu Zhang, and Chenren Xu. 2023. RF-Chord: Towards Deployable RFID Localization System for Logistic Networks. In Proceedings of the 20th USENIX Symposium on Networked Systems Design and Implementation (NSDI).Google Scholar
- Mohammad Hossein Mazaheri, Alex Chen, and Omid Abari. 2021. mmTag: A Millimeter Wave Backscatter Network. In Proceedings of the 2021 ACM SIGCOMM 2021 Conference (SIGCOMM).Google ScholarDigital Library
- Francesco Monticone and Andrea Alu. 2015. Leaky-wave Theory, Techniques, and Applications: From Microwaves to Visible Frequencies. Proc. IEEE 103, 5 (2015).Google ScholarCross Ref
- Xin Na, Xiuzhen Guo, Zihao Yu, Jia Zhang, Yuan He, and Yunhao Liu. 2023. Leggiero: Analog WiFi Backscatter with Payload Transparency. In Proceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services (MobiSys).Google ScholarDigital Library
- Sujay Narayana, Vijay Rao, R Venkatesha Prasad, Ajay K Kanthila, Kavya Managundi, Luca Mottola, and T Venkata Prabhakar. 2020. LOCI: Privacy-aware, Device-free, Low-power Localization of Multiple Persons Using IR Sensors. In Proceedings of the 19th International Conference on Information Processing in Sensor Networks (IPSN).Google ScholarCross Ref
- John Nolan, Kun Qian, and Xinyu Zhang. 2021. RoS: Passive Smart Surface for Roadside-to-Vehicle Communication. In Proceedings of the 2021 ACM SIGCOMM 2021 Conference (SIGCOMM).Google ScholarDigital Library
- Yuanchao Shu, Zhuqi Li, Börje Karlsson, Yiyong Lin, Thomas Moscibroda, and Kang Shin. [n. d.]. Incrementally-deployable Indoor Navigation with Automatic Trace Generation. In Proceedings of IEEE International Conference on Computer Communications.Google Scholar
- Elahe Soltanaghaei, Avinash Kalyanaraman, and Kamin Whitehouse. 2018. Multipath Triangulation: Decimeter-level WiFi Localization and Orientation with a Single Unaided Receiver. In Proceedings of the 16th Annual International Conference on Mobile Systems, Applications, and Services (MobiSys).Google ScholarDigital Library
- Elahe Soltanaghaei, Akarsh Prabhakara, Artur Balanuta, Matthew Anderson, Jan M Rabaey, Swarun Kumar, and Anthony Rowe. 2021. Millimetro: mmWave Retro-reflective Tags for Accurate, Long Range Localization. In Proceedings of the 27th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Yimiao Sun, Weiguo Wang, Luca Mottola, Ruijin Wang, and Yuan He. 2022. AIM: Acoustic Inertial Measurement for Indoor Drone Localization and Tracking. In Proceedings of the 20th Conference on Embedded Networked Sensor Systems (SenSys).Google ScholarDigital Library
- Huy Tran, Abhishek Mukherji, Nirupama Bulusu, Santosh Pandey, and Xu Zhang. 2019. Improving Infrastructure-based Indoor Positioning Systems with Device Motion Detection. In Proceedings of the 2019 IEEE International Conference on Pervasive Computing and Communications (PerCom).Google ScholarCross Ref
- Ju Wang, Hongbo Jiang, Jie Xiong, Kyle Jamieson, Xiaojiang Chen, Dingyi Fang, and Binbin Xie. 2016. LiFS: Low Human-effort, Device-free Localization with Finegrained Subcarrier Information. In Proceedings of the 22nd Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Weiguo Wang, Yuan He, Meng Jin, Yimiao Sun, and Xiuzhen Guo. 2023. MetaSpeaker: Acoustic Source Projection by Exploiting Air Nonlinearity. In Proceedings of the 29st Annual International Conference on Mobile Computing and Networking (MobiCom).Google Scholar
- Weiguo Wang, Luca Mottola, Yuan He, Jinming Li, Yimiao Sun, Shuai Li, Hua Jing, and Yulei Wang. 2022. MicNest: Long-range Instant Acoustic Localization of Drones in Precise Landing. In Proceedings of the 20th Conference on Embedded Networked Sensor Systems (SenSys).Google ScholarDigital Library
- Yongyong Wei and Rong Zheng. 2020. Handling Device Heterogeneity in Wi-Fi Based Indoor Positioning Systems. In Proceedings of IEEE International Conference on Computer Communications (INFOCOM).Google ScholarCross Ref
- Yongyong Wei and Rong Zheng. 2021. Efficient Wi-Fi Fingerprint Crowdsourcing for Indoor Localization. IEEE Sensors Journal 22, 6 (2021), 5055--5062.Google ScholarCross Ref
- Chenshu Wu, Jingao Xu, Zheng Yang, Nicholas D Lane, and Zuwei Yin. 2017. Gain without Pain: Accurate WiFi-based Localization Using Fingerprint Spatial Gradient. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 1, 2 (2017), 1--19.Google ScholarDigital Library
- Chenshu Wu, Zheng Yang, Zimu Zhou, Yunhao Liu, and Mingyan Liu. 2016. Mitigating Large Errors in WiFi-based Indoor Localization for Smartphones. IEEE Transactions on Vehicular Technology 66, 7 (2016), 6246--6257.Google ScholarCross Ref
- Yaxiong Xie, Jie Xiong, Mo Li, and Kyle Jamieson. 2019. md-Track: Leveraging Multi-dimensionality for Passive Indoor Wi-Fi Tracking. In Proceedings of the 25th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Jie Xiong and Kyle Jamieson. 2013. ArrayTrack: A Fine-grained Indoor Location System. In Proceedings of the 10th USENIX Symposium on Networked Systems Design and Implementation (NSDI).Google Scholar
- Jie Xiong, Karthikeyan Sundaresan, and Kyle Jamieson. 2015. ToneTrack: Leveraging Frequency-agile Radios for Time-based Indoor Wireless Localization. In Proceedings of the 21st Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Feng Xu and Ke Wu. 2013. Understanding Leaky-wave Structures: A Special Form of Guided-wave Structure. IEEE Microwave Magazine 14, 5 (2013).Google ScholarCross Ref
- Han Xu, Zheng Yang, Zimu Zhou, Ke Yi, and Chunyi Peng. [n. d.]. Tum: Towards Ubiquitous Multi-device Localization for Cross-device Interaction. In Proceedings of IEEE International Conference on Computer Communications (INFOCOM).Google Scholar
- Kun Yang, Xiaolong Zheng, Jie Xiong, Liang Liu, and Huadong Ma. 2022. WiImg: Pushing the Limit of WiFi Sensing with Low Transmission Rates. In Proceedings of the 19th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON).Google ScholarDigital Library
- Yu Yang, Yi Ding, Dengpan Yuan, Guang Wang, Xiaoyang Xie, Yunhuai Liu, Tian He, and Desheng Zhang. 2020. Transloc: Transparent Indoor Localization with Uncertain Human Participation for Instant Delivery. In Proceedings of the 26th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Zheng Yang, Zimu Zhou, and Yunhao Liu. 2013. From RSSI to CSI: Indoor Localization via Channel Response. Comput. Surveys 46, 2 (2013).Google ScholarDigital Library
- Chia-Yi Yeh, Yasaman Ghasempour, Yasith Amarasinghe, Daniel M Mittleman, and Edward W Knightly. 2020. Security in Terahertz WLANs with Leaky Wave Antennas. In Proceedings of the 13th ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec).Google ScholarDigital Library
- Diana Zhang, Jingxian Wang, Junsu Jang, Junbo Zhang, and Swarun Kumar. 2019. On the Feasibility of Wi-Fi Based Material Sensing. In Proceedings of the 25st Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Jia Zhang, Xiuzhen Guo, Haotian Jiang, Xiaolong Zheng, and Yuan He. 2020. Link Quality Estimation of Cross-technology Communication. In Proceedings of IEEE International Conference on Computer Communications (INFOCOM). 496--505.Google ScholarDigital Library
- Jia Zhang, Xin Na, Rui Xi, Yimiao Sun, and Yuan He. 2023. mmHawkeye: Passive UAV Detection with a COTS mmWave Radar. In Proceedings of the 20th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON).Google ScholarCross Ref
- Jia Zhang, Rui Xi, Yuan He, Yimiao Sun, Xiuzhen Guo, Weiguo Wang, Xin Na, Yunhao Liu, Zhenguo Shi, and Tao Gu. 2023. A Survey of mmWave-based Human Sensing: Technology, Platforms and Applications. IEEE Communications Surveys & Tutorials (2023).Google ScholarDigital Library
- Xianan Zhang, Wei Wang, Xuedou Xiao, Hang Yang, Xinyu Zhang, and Tao Jiang. 2020. Peer-to-Peer Localization for Single-antenna Devices. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 4, 3 (2020), 1--25.Google ScholarDigital Library
- Zhenyong Zhang, Shibo He, Yuanchao Shu, and Zhiguo Shi. 2019. A Self-evolving WiFi-based Indoor Navigation System Using Smartphones. IEEE Transactions on Mobile Computing 19, 8 (2019), 1760--1774.Google Scholar
- Tianyue Zheng, Zhe Chen, Jun Luo, Lin Ke, Chaoyang Zhao, and Yaowen Yang. 2021. SiWa: See into Walls via Deep UWB Radar. In Proceedings of the 27th Annual International Conference on Mobile Computing and Networking (MobiCom).Google ScholarDigital Library
- Xiaolong Zheng, Jiliang Wang, Longfei Shangguan, Zimu Zhou, and Yunhao Liu. 2016. Smokey: Ubiquitous Smoking Detection with Commercial WiFi Infrastructures. In Proceedings of IEEE International Conference on Computer Communications (INFOCOM).Google ScholarDigital Library
Index Terms
- BIFROST: Reinventing WiFi Signals Based on Dispersion Effect for Accurate Indoor Localization
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