Sciweavers

3471 search results - page 474 / 695
» Sustainable Wireless Sensor Networks
Sort
View
DSN
2005
IEEE
16 years 6 days ago
LITEWORP: A Lightweight Countermeasure for the Wormhole Attack in Multihop Wireless Networks
In multihop wireless systems, such as ad-hoc and sensor networks, the need for cooperation among nodes to relay each other’s packets exposes them to a wide range of security att...
Issa Khalil, Saurabh Bagchi, Ness B. Shroff
MOBIHOC
2006
ACM
16 years 6 months ago
DRAND: : distributed randomized TDMA scheduling for wireless ad-hoc networks
This paper presents a distributed implementation of RAND, a randomized time slot scheduling algorithm, called DRAND. DRAND runs in O() time and message complexity where is the max...
Injong Rhee, Ajit Warrier, Jeongki Min, Lisong Xu
GLOBECOM
2006
IEEE
16 years 20 days ago
Modelling the Impact of User Mobility on the Throughput in Networks of Wireless 802.11 LANs
— The wireless LAN technology 802.11, also called Wi-Fi, offers high speed wireless Internet access for local area environments. WLANs provide much higher data rates than the mob...
Sandjai Bhulai, Robert D. van der Mei, Taoying Yua...
IJSNET
2007
101views more  IJSNET 2007»
15 years 6 months ago
Some problems of directional sensor networks
Abstract: Wireless sensor networks are often based on omni-sensing and communication models. In contrast, in this paper, we investigate sensor networks with directional sensing and...
Huadong Ma, Yonghe Liu
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
16 years 8 months ago
Approximate Data Collection in Sensor Networks using Probabilistic Models
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
David Chu, Amol Deshpande, Joseph M. Hellerstein, ...