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MOBISYS
2005
ACM
14 years 8 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...
INFOCOM
2005
IEEE
14 years 2 months ago
Improved single-round protocols for remote file synchronization
— Given two versions of a file, a current version located on one machine and an outdated version known only to another machine, the remote file synchronization problem is how t...
Utku Irmak, Svilen Mihaylov, Torsten Suel
WINE
2005
Springer
135views Economy» more  WINE 2005»
14 years 2 months ago
On Solving Coverage Problems in a Wireless Sensor Network Using Voronoi Diagrams
Owing to numerous potential applications, wireless sensor networks have been the focus of a lot of research efforts lately. In this note we study one fundamental issue in such net...
Anthony Man-Cho So, Yinyu Ye
ALGOSENSORS
2009
Springer
14 years 3 months ago
Improved Approximation Algorithms for Maximum Lifetime Problems in Wireless Networks
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...
Zeev Nutov, Michael Segal
WICON
2008
13 years 10 months ago
On the practical complexity of solving the maximum weighted independent set problem for optimal scheduling in wireless networks
It is well known that the maximum weighted independent set (MWIS) problem is NP-complete. Moreover, optimal scheduling in wireless networks requires solving a MWIS problem. Conseq...
Peng Wang, Stephan Bohacek