The Cricket location-support system

The Cricket location-support system,10.1145/345910.345917,Nissanka B. Priyantha,Anit Chakraborty,Hari Balakrishnan

The Cricket location-support system   (Citations: 1746)
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This paper presents the design, implementation, and evaluation of Cricket, a location-support system for in-building, mobile, location- dependent applications. It allows applications running on mobile and static nodes to learn their physical location by using listeners that hear and analyze information from beacons spread throughout the building. Cricket is the result of several design goals, including user privacy, decentralized administration, network heterogeneity, and low cost. Rather than explicitly tracking user location, Cricket helps devices learn where they are and lets them decide whom to advertise this information to; it does not rely on any centralized management or control and there is no explicit coordination be- tween beacons; it provides information to devices regardless of their type of network connectivity; and each Cricket device is made from off-the-shelf components and costs less than U.S. $10. We describe the randomized algorithm used by beacons to transmit information, the use of concurrent radio and ultrasonic signals to infer distance, the listener inference algorithms to overcome multipath and inter- ference, and practical beacon configuration and positioning tech- niques that improve accuracy. Our experience with Cricket shows that several location-dependent applications such as in-building ac- tive maps and device control can be developed with little effort or manual configuration.
Conference: Mobile Computing and Networking - MOBICOM , pp. 32-43, 2000
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    • ...Much of this research has fallen into one of two categories based on the nature of measurements that participant devices are expected to perform: (a) Radio Frequency (RF)-based techniques that rely on measuring the strength of signals from proximate RF sources (such as WiFi access points or cell towers) [2, 8, 16, 5], and (b) Acoustic Ranging (AR)based techniques that rely on range measurements between proximate devices [15, 12].,In some systems (e.g., Active Bat [9], Cricket [12]), localization is based on the “thunder-and-lightening” principle, wherein a much faster RF signal is used to first synchronize the transmitter and the receiver, and thereafter the one-way time-of-flight of the much slower acoustic signal is measured, to estimate distance...

    Rajalakshmi Nandakumaret al. Centaur: locating devices in an office environment

    • ...The inability to use GPS indoors has led to myriad approaches based on alternative signals, ranging from infrared [26] to acoustic [27, 19] and visual [28]...

    Anshul Raiet al. Zee: zero-effort crowdsourcing for indoor localization

    • ...ActiveBat [5] and Cricket [17] are two representative infrastructure-based systems...

    Zengbin Zhanget al. SwordFight: enabling a new class of phone-to-phone action games on com...

    • ...Infrastructure-based approaches rely on the deployment of customized RF-beacons, such as RFID [13], infrared [25], ultrasound [17], Bluetooth [3], and short-range FM transmitters [11]...

    Yin Chenet al. FM-based indoor localization

    • ...Many example applications exist, including habitat monitoring [1], object tracking [2], pollution detection [3], and climate observation [4]...

    Sebastian Zuget al. An Architecture for a Dependable Distributed Sensor System

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