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VTC
2010
IEEE
177views Communications» more  VTC 2010»
13 years 6 months ago
Randomized Robot-Assisted Relocation of Sensors for Coverage Repair in Wireless Sensor Networks
—In wireless sensor networks (WSN), stochastic node dropping and unpredictable node failure greatly impair coverage, creating sensing holes, while locally redundant sensors exist...
Greg Fletcher, Xu Li, Amiya Nayak, Ivan Stojmenovi...
GIS
2004
ACM
14 years 8 months ago
Energy efficient exact kNN search in wireless broadcast environments
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
Bugra Gedik, Aameek Singh, Ling Liu
MOBISYS
2010
ACM
13 years 10 months ago
Augmenting mobile 3G using WiFi
We investigate if WiFi access can be used to augment 3G capacity in mobile environments. We first conduct a detailed study of 3G and WiFi access from moving vehicles, in three dif...
Aruna Balasubramanian, Ratul Mahajan, Arun Venkata...
CCR
2006
92views more  CCR 2006»
13 years 7 months ago
A cooperative uplink power control scheme for elastic data services in wireless CDMA systems
We consider the uplink power control problem in a single cell CDMA wireless data system. Each user specifies upper and lower QoS bounds. We formulate the considered problem as a g...
George Alyfantis, Stathes Hadjiefthymiades, Lazaro...
MOBIHOC
2009
ACM
14 years 8 months ago
Multicasting in delay tolerant networks: a social network perspective
Node mobility and end-to-end disconnections in Delay Tolerant Networks (DTNs) greatly impair the effectiveness of data dissemination. Although social-based approaches can be used ...
Wei Gao, Qinghua Li, Bo Zhao, Guohong Cao