Interacting at a distance: measuring the performance of laser pointers and other devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Simulation and Software Radio for Mobile Communications
Simulation and Software Radio for Mobile Communications
Synchronous gestures for multiple persons and computers
Proceedings of the 16th annual ACM symposium on User interface software and technology
Loud and Clear: Human-Verifiable Authentication Based on Audio
ICDCS '06 Proceedings of the 26th IEEE International Conference on Distributed Computing Systems
Proceedings of the 6th ACM conference on Embedded network sensor systems
Point&Connect: intention-based device pairing for mobile phone users
Proceedings of the 7th international conference on Mobile systems, applications, and services
SoundSense: scalable sound sensing for people-centric applications on mobile phones
Proceedings of the 7th international conference on Mobile systems, applications, and services
SurroundSense: mobile phone localization via ambience fingerprinting
Proceedings of the 15th annual international conference on Mobile computing and networking
Darwin phones: the evolution of sensing and inference on mobile phones
Proceedings of the 8th international conference on Mobile systems, applications, and services
MoVi: mobile phone based video highlights via collaborative sensing
Proceedings of the 8th international conference on Mobile systems, applications, and services
The Jigsaw continuous sensing engine for mobile phone applications
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
PANDAA: physical arrangement detection of networked devices through ambient-sound awareness
Proceedings of the 13th international conference on Ubiquitous computing
Proceedings of the Twelfth Workshop on Mobile Computing Systems & Applications
UbiComp'06 Proceedings of the 8th international conference on Ubiquitous Computing
SoundWave: using the doppler effect to sense gestures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
SwordFight: enabling a new class of phone-to-phone action games on commodity phones
Proceedings of the 10th international conference on Mobile systems, applications, and services
No need to war-drive: unsupervised indoor localization
Proceedings of the 10th international conference on Mobile systems, applications, and services
Indoor pseudo-ranging of mobile devices using ultrasonic chirps
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
Low cost crowd counting using audio tones
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
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Recent developments in ubiquitous computing enable applications that leverage personal mobile devices, such as smartphones, as a means to interact with other devices in their close proximity. In this paper, we propose Spartacus, a mobile system that enables spatially-aware neighboring device interactions with zero prior configuration. Using built-in microphones and speakers on commodity mobile devices, Spartacus uses a novel acoustic technique based on the Doppler effect to enable users to accurately initiate an interaction with a neighboring device through a pointing gesture. To enable truly spontaneous interactions on energy-constrained mobile devices, Spartacus uses a continuous audio-based lower-power listening mechanism to trigger the gesture detection service. This eliminates the need for any manual action by the user. Experimental results show that Spartacus achieves an average 90% device selection accuracy within 3m for most interaction scenarios. Our energy consumption evaluations show that, Spartacus achieves about 4X lower energy consumption than WiFi Direct and 5.5X lower than the latest Bluetooth 4.0 protocols.