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ZiFi: wireless LAN discovery via ZigBee interference signatures

Published: 20 September 2010 Publication History

Abstract

WiFi networks have enjoyed an unprecedent penetration rate in recent years. However, due to the limited coverage, existing WiFi infrastructure only provides intermittent connectivity for mobile users. Once leaving the current network coverage, WiFi clients must actively discover new WiFi access points (APs), which wastes the precious energy of mobile devices. Although several solutions have been proposed to address this issue, they either require significant modifications to existing network infrastructures or rely on context information that is not available in unknown environments. In this work, we develop a system called ZiFi that utilizes ZigBee radios to identify the existence of WiFi networks through unique interference signatures generated by WiFi beacons. We develop a new digital signal processing algorithm called Common Multiple Folding (CMF) that accurately amplifies periodic beacons in WiFi interference signals. ZiFi also adopts a constant false alarm rate (CFAR) detector that can minimize the false negative (FN) rate of WiFi beacon detection while satisfying the user-specified upper bound on false positive (FP) rate. We have implemented ZiFi on two platforms, a Linux netbook integrating a TelosB mote through the USB interface, and a Nokia N73 smartphone integrating a ZigBee card through the miniSD interface. Our experiments show that, under typical settings, ZiFi can detect WiFi APs with high accuracy (<5% total FP and FN rate), short delay (~780 ms), and little computation overhead

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  • (2023)D-SCAN: Toward collaborative multi-radio coexistence in mobile devices via deep learningInternet of Things10.1016/j.iot.2022.10064621(100646)Online publication date: Apr-2023
  • (2023)BMS: Bandwidth-aware Multi-interface Scheduling for energy-efficient and delay-constrained gateway-to-device communications in IoTComputer Networks10.1016/j.comnet.2023.109645225(109645)Online publication date: Apr-2023
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      cover image ACM Conferences
      MobiCom '10: Proceedings of the sixteenth annual international conference on Mobile computing and networking
      September 2010
      402 pages
      ISBN:9781450301817
      DOI:10.1145/1859995
      • General Chair:
      • Nitin Vaidya,
      • Program Chairs:
      • Suman Banerjee,
      • Dina Katabi
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Published: 20 September 2010

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      Author Tags

      1. digital signal processing
      2. interference
      3. power management
      4. stochastic signal detection
      5. wifi network discovery

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      Cited By

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      • (2024)Sub-1 GHz RF-based Energy-efficient Sensor Node for Secure Communication in Low-power IoT and Embedded ApplicationsInternational Journal of Sensors, Wireless Communications and Control10.2174/012210327928715624021804481914:4(265-278)Online publication date: Dec-2024
      • (2023)D-SCAN: Toward collaborative multi-radio coexistence in mobile devices via deep learningInternet of Things10.1016/j.iot.2022.10064621(100646)Online publication date: Apr-2023
      • (2023)BMS: Bandwidth-aware Multi-interface Scheduling for energy-efficient and delay-constrained gateway-to-device communications in IoTComputer Networks10.1016/j.comnet.2023.109645225(109645)Online publication date: Apr-2023
      • (2023)Physical Level CTC Based on Cross DemappingCross-Technology Communication for Internet of Things10.1007/978-981-99-3719-6_4(87-121)Online publication date: 26-May-2023
      • (2023)Packet Level CTC Based on Channel InterventionCross-Technology Communication for Internet of Things10.1007/978-981-99-3719-6_3(53-84)Online publication date: 26-May-2023
      • (2022)Edge-computing-driven Internet of Things: A SurveyACM Computing Surveys10.1145/355530855:8(1-41)Online publication date: 23-Dec-2022
      • (2022)Survey on recent advances in IoT application layer protocols and machine learning scope for research directionsDigital Communications and Networks10.1016/j.dcan.2021.10.0048:5(727-744)Online publication date: Oct-2022
      • (2022)Design and Implementation of a Novel Interconnection Architecture from WiFi to ZigBeeProceeding of 2021 International Conference on Wireless Communications, Networking and Applications10.1007/978-981-19-2456-9_5(40-47)Online publication date: 13-Jul-2022
      • (2021)Human‑made electromagnetic fields: Ion forced‑oscillation and voltage‑gated ion channel dysfunction, oxidative stress and DNA damage (Review)International Journal of Oncology10.3892/ijo.2021.527259:5Online publication date: 6-Oct-2021
      • (2021)Enabling Cross-technology Communication from LoRa to ZigBee in the 2.4 GHz BandACM Transactions on Sensor Networks10.1145/349122218:2(1-23)Online publication date: 21-Dec-2021
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