3638 search results - page 214 / 728 » Optimization via communication networks |
181
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JSAC
2011
15 years 1 months ago
2011
Abstract— Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead...
181
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GLOBECOM
2007
IEEE
16 years 29 days ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
143
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GLOBECOM
2006
IEEE
16 years 21 days ago
2006
IEEE
—The Internet has witnessed a rapid growth in deployment of data-driven overlay network (DON) based streaming applications during recent years. In these applications, each nodes ...
189
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TON
2008
15 years 6 months ago
2008
This paper exploits the tradeoff between data quality and energy consumption to extend the lifetime of wireless sensor networks. To obtain an aggregate form of sensor data with pre...
183
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GLOBECOM
2007
IEEE
16 years 29 days ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...