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MOBIHOC
2007
ACM
14 years 7 months ago
Allocating dynamic time-spectrum blocks in cognitive radio networks
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend...
Yuan Yuan, Paramvir Bahl, Ranveer Chandra, Thomas ...
MSWIM
2005
ACM
14 years 1 months ago
Analysis of performance issues in an IP-based UMTS radio access network
The substitution of ATM transport by IP in future UMTS Radio Access Networks (UTRAN) introduces several performance challenges that need to be addressed to guarantee the feasibili...
Xavier Pérez Costa, Kjell Heinze, Albert Ba...
WIOPT
2010
IEEE
13 years 6 months ago
Competitive interference-aware spectrum access in cognitive radio networks
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
Jocelyne Elias, Fabio Martignon, Antonio Capone, E...
TMC
2010
159views more  TMC 2010»
13 years 6 months ago
Radio Sleep Mode Optimization in Wireless Sensor Networks
—Energy-efficiency is a central challenge in sensor networks, and the radio is a major contributor to overall energy node consumption. Current energy-efficient MAC protocols fo...
Raja Jurdak, Antonio G. Ruzzelli, Gregory M. P. O'...
ICIP
2008
IEEE
14 years 10 months ago
Dynamic channel selection for multi-user video streaming over cognitive radio networks
Due to the dynamic nature of cognitive radio networks, multi-user video streaming (with various video traffic characteristics and QoS requirements) requires efficient dynamic chan...
Hsien-Po Shiang, Mihaela van der Schaar