Sciweavers

336 search results - page 17 / 68
» Centralized Communication in Radio Networks with Strong Inte...
Sort
View
MOBICOM
2009
ACM
14 years 3 months ago
Impact of mobility on spectrum sensing in cognitive radio networks
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
Alexander W. Min, Kang G. Shin
ICC
2009
IEEE
117views Communications» more  ICC 2009»
14 years 3 months ago
Two Phase Spectrum Sharing for Frequency-Agile Radio Networks
Abstract—Modern frequency-agile radios are capable of dynamically changing the spectrum width and central frequency of its channels. Existing spectrum sharing algorithms often fa...
Zhenhua Feng, Yaling Yang
VTC
2007
IEEE
158views Communications» more  VTC 2007»
14 years 2 months ago
Efficient Spatial Reuse in Multi-Radio, Multi-Hop Wireless Mesh Networks
— In the paper, we propose a novel scheduling mechanism without modifying the existing IEEE 802.11 MAC, called wireless Radio-Matching Protocol (RMP). It takes account of interfe...
Da-Ren Guo, Kuochen Wang, Lung-Sheng Lee
JSAC
2011
191views more  JSAC 2011»
13 years 3 months ago
CRP: A Routing Protocol for Cognitive Radio Ad Hoc Networks
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
Kaushik R. Chowdhury, Ian F. Akyildiz
WCNC
2008
IEEE
14 years 3 months ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman