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MOBIHOC
2002
ACM
14 years 7 months ago
Directional virtual carrier sensing for directional antennas in mobile ad hoc networks
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
Mineo Takai, Jay Martin, Rajive Bagrodia, Aifeng R...
COMCOM
2006
150views more  COMCOM 2006»
13 years 7 months ago
Energy-efficient coverage problems in wireless ad-hoc sensor networks
Wireless sensor networks constitute the platform of a broad range of applications related to national security, surveillance, military, health care, and environmental monitoring. ...
Mihaela Cardei, Jie Wu
WMASH
2003
ACM
14 years 21 days ago
Wireless hotspots: current challenges and future directions
In recent years, wireless Internet service providers (WISPs) have established Wi-Fi hotspots in increasing numbers at public venues, providing local coverage to traveling users an...
Anand Balachandran, Geoffrey M. Voelker, Paramvir ...
MSWIM
2005
ACM
14 years 1 months ago
Adapting WLAN MAC parameters to enhance VoIP call capacity
This work describes a detailed simulation-based study of the performance of an IEEE 802.11e Medium Access Control (MAC) layer over an IEEE 802.11g Physical (PHY) layer. The study ...
Gráinne Hanley, Seán Murphy, Liam Mu...
MOBIHOC
2005
ACM
14 years 7 months ago
Sextant: a unified node and event localization framework using non-convex constraints
Determining node and event locations is a canonical task for many wireless network applications. Yet dedicated infrastructure for determining position information is expensive, en...
Emin Gün Sirer, Rohan Murty, Saikat Guha