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JSAC
2008
151views more  JSAC 2008»
14 years 11 months ago
Joint Beamforming and Power Allocation for Multiple Access Channels in Cognitive Radio Networks
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
Lan Zhang, Ying-Chang Liang, Yan Xin
MONET
2008
77views more  MONET 2008»
14 years 11 months ago
On Relay Node Placement and Assignment for Two-tiered Wireless Networks
Wireless networks that operate on batteries are imposed with energy constraints and long distance communications between nodes are not desirable. Implementing Relay Nodes (RNs) can...
Wenxuan Guo, Xin-Ming Huang, Wenjing Lou, Cao Lian...
SENSYS
2010
ACM
14 years 9 months ago
Meeting ecologists' requirements with adaptive data acquisition
Ecologists instrument ecosystems to collect time series representing the evolution in time and space of relevant abiotic and biotic factors. Sensor networks promise to improve on ...
Marcus Chang, Philippe Bonnet
TCOM
2011
130views more  TCOM 2011»
14 years 6 months ago
Indirect Reciprocity Game Modelling for Cooperation Stimulation in Cognitive Networks
—In cognitive networks, since nodes generally belong to different authorities and pursue different goals, they will not cooperate with others unless cooperation can improve their...
Yan Chen, K. J. Ray Liu
INFOCOM
2008
IEEE
15 years 5 months ago
Real-Time Video Multicast in WiMAX Networks
Abstract—IEEE 802.16e WiMAX is a promising new technology for broadband access networks. Amongst the class of applications that can be supported is real time video services (such...
Supratim Deb, Sharad Jaiswal, Kanthi Nagaraj