Sciweavers

95 search results - page 17 / 19
» Optimal cooperative spectrum sensing in cognitive sensor net...
Sort
View
ICNP
2006
IEEE
14 years 1 months ago
A Distributed Algorithm for Joint Sensing and Routing in Wireless Networks with Non-Steerable Directional Antennas
Abstract— In many energy-rechargeable wireless sensor networks, sensor nodes must both sense data from the environment, and cooperatively forward sensed data to data sinks. Both ...
Chun Zhang, Jim Kurose, Yong Liu, Donald F. Towsle...
JSAC
2011
219views more  JSAC 2011»
13 years 2 months ago
Detection of Small-Scale Primary Users in Cognitive Radio Networks
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices, such as wireless microphones, is a challenging, but very important, problem that has not yet be...
Alexander W. Min, Xinyu Zhang, Kang G. Shin
ICC
2008
IEEE
169views Communications» more  ICC 2008»
14 years 2 months ago
Optimality of Myopic Sensing in Multi-Channel Opportunistic Access
—We consider opportunistic communications over multiple channels where the state (“good” or “bad”) of each channel evolves as independent and identically distributed Mark...
Tara Javidi, Bhaskar Krishnamachari, Qing Zhao, Mi...
EJWCN
2010
157views more  EJWCN 2010»
13 years 2 months ago
Distributed Power Allocation for Parallel Broadcast Channels with Only Common Information in Cognitive Tactical Radio Networks
A tactical radio network is a radio network in which a transmitter broadcasts the same information to its receivers. In this paper, dynamic spectrum management is studied for multi...
Vincent Le Nir, Bart Scheers
ATAL
2006
Springer
13 years 11 months ago
A utility-based sensing and communication model for a glacial sensor network
This paper reports on the development of a utility-based mechanism for managing sensing and communication in cooperative multi-sensor networks. The specific application considered...
Paritosh Padhy, Rajdeep K. Dash, Kirk Martinez, Ni...