Sciweavers

1412 search results - page 43 / 283
» Medium access control in wireless sensor networks
Sort
View
ICASSP
2011
IEEE
14 years 1 months ago
Optimal power allocation and joint source-channel coding for wireless DS-CDMA visual sensor networks using the Nash Bargaining S
We consider the problem of resource allocation for a Direct Sequence Code Division Multiple Access (DS-CDMA) wireless visual sensor network (VSN). We use the Nash Bargaining Solut...
Katerina Pandremmenou, Lisimachos P. Kondi, Konsta...
TWC
2010
14 years 4 months ago
A Multimedia Cross-Layer Protocol for Underwater Acoustic Sensor Networks
Underwater multimedia acoustic sensor networks will enable new underwater applications such as multimedia coastal and tactical surveillance, undersea explorations, picture and vide...
Dario Pompili, Ian F. Akyildiz
SUTC
2006
IEEE
15 years 3 months ago
Securing Distributed Wireless Sensor Networks: Issues and Guidelines
With the emergence of ubiquitous computing the role of sensor network is becoming more important which demands highest level security and energy efficiency. In this paper we have ...
Riaz Ahmed Shaikh, Sungyoung Lee, Young Jae Song, ...
MSN
2007
Springer
192views Sensor Networks» more  MSN 2007»
15 years 3 months ago
Secure Group Communication with Self-healing and Rekeying in Wireless Sensor Networks
We have developed a self-healing key distribution scheme for secure multicast group communications for wireless sensor network environment. We present a strategy for securely distr...
Firdous Kausar, Sajid Hussain, Jong Hyuk Park, Ash...
INFOCOM
2007
IEEE
15 years 4 months ago
Optimal Jamming Attacks and Network Defense Policies in Wireless Sensor Networks
Abstract— We consider a scenario where a sophisticated jammer jams an area in a single-channel wireless sensor network. The jammer controls the probability of jamming and transmi...
Mingyan Li, Iordanis Koutsopoulos, Radha Poovendra...