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» Time Synchronization for High Latency Acoustic Networks
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INFOCOM
2006
IEEE
13 years 10 months ago
Time Synchronization for High Latency Acoustic Networks
— Distributed time synchronization is an important part of a sensor network where sensing and actuation must be coordinated across multiple nodes. Several time synchronization pr...
Affan A. Syed, John S. Heidemann
ICDCSW
2002
IEEE
13 years 9 months ago
Quantifying Effect of Network Latency and Clock Drift on Time-Driven Key Sequencing
Time-driven Key Sequencing (TKS) is a key management technique that synchronizes the session key used by a set of communicating principals based on time of day. This relatively lo...
Geoffrey G. Xie, Cynthia E. Irvine, Timothy E. Lev...
MOBISYS
2005
ACM
14 years 4 months ago
WALRUS: wireless acoustic location with room-level resolution using ultrasound
In this paper, we propose a system that uses the wireless networking and microphone interfaces of mobile devices to determine location to room-level accuracy. The wireless network...
Gaetano Borriello, Alan L. Liu, Tony Offer, Christ...
COMCOM
2006
115views more  COMCOM 2006»
13 years 4 months ago
Energy-efficient scheduling and hybrid communication architecture for underwater littoral surveillance
There exists a high demand for reliable, high capacity underwater acoustic networks to allow efficient data gathering and information exchange. This is evidenced by significant re...
Mihaela Cardei
INFOCOM
2008
IEEE
13 years 11 months ago
T-Lohi: A New Class of MAC Protocols for Underwater Acoustic Sensor Networks
This paper introduces T-Lohi, a new class of distributed and energy-efficient media-access protocols (MAC) for underwater acoustic sensor networks (UWSN). MAC design for UWSN fac...
Affan A. Syed, Wei Ye, John S. Heidemann