Sciweavers

691 search results - page 96 / 139
» Communicating Under Channel Uncertainty
Sort
View
TON
2010
175views more  TON 2010»
13 years 4 months ago
Cooperative Adaptive Spectrum Sharing in Cognitive Radio Networks
The cognitive radio (CR) paradigm calls for open spectrum access according to a predetermined etiquette. Under this paradigm, CR nodes access the spectrum opportunistically by cont...
Haythem Bany Salameh, Marwan Krunz, Ossama Younis
CORR
2008
Springer
147views Education» more  CORR 2008»
13 years 10 months ago
Impact of CSI on Distributed Space-Time Coding in Wireless Relay Networks
We consider a two-hop wireless network where a transmitter communicates with a receiver via M relays with an amplify-and-forward (AF) protocol. Recent works have shown that sophis...
Mari Kobayashi, Xavier Mestre
TMC
2012
12 years 12 days ago
Fast Data Collection in Tree-Based Wireless Sensor Networks
—We investigate the following fundamental question—how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evalu...
Özlem Durmaz Incel, Amitabha Ghosh, Bhaskar K...
INFOCOM
2008
IEEE
14 years 4 months ago
CTU: Capturing Throughput Dependencies in UWB Networks
—The inherent channel characteristics of impulse-based UWB networks affect the MAC layer performance significantly. Previous studies on evaluating MAC protocols are based on pro...
Ioannis Broustis, Aggelos Vlavianos, Prashant Kris...
ICC
2009
IEEE
150views Communications» more  ICC 2009»
14 years 4 months ago
On the Impact of Correlation on Distributed Detection in Wireless Sensor Networks with Relays Deployment
—In this paper, a binary hypothesis distributed detection problem in correlated wireless sensor networks with cooperative relays deployment is considered. In particular, the effe...
Mohammed W. Baidas, Ahmed S. Ibrahim, Karim G. Sed...