Sciweavers

53 search results - page 9 / 11
» Adaptive Channel Allocation Spectrum Etiquette for Cognitive...
Sort
View
ICIP
2008
IEEE
14 years 7 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
MSWIM
2009
ACM
13 years 10 months ago
Modeling and performance evaluation of transmission control protocol over cognitive radio ad hoc networks
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
Marco Di Felice, Kaushik Roy Chowdhury, Luciano Bo...
INFOCOM
2010
IEEE
13 years 4 months ago
Delay Analysis for Cognitive Radio Networks with Random Access: A Fluid Queue View
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
Shanshan Wang, Junshan Zhang, Lang Tong
CN
2008
63views more  CN 2008»
13 years 5 months ago
Time-efficient distributed layer-2 auto-configuration for cognitive radio networks
Cognitive radios (CR) have the ability to dynamically adapt to local spectrum availability. In a network comprised of CR-enabled devices, layer-2 auto-configuration involves deter...
Srinivasan Krishnamurthy, Mansi Ramakrishnan Thopp...
CORR
2008
Springer
155views Education» more  CORR 2008»
13 years 5 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang