332 search results - page 54 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
—We consider a cognitive radio network with distributed multiple secondary users, where each user independently searches for spectrum opportunities in multiple channels without e...
ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
—In this paper, quality of service (QoS) provisioning for voice service over cognitive radio networks is considered. As voice traffic is sensitive to delay, the presence of prim...
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
Abstract--Cognitive radio (CR) technology is an innovative radio design philosophy which aims to increase spectrum utilization by exploiting unused spectrum in dynamically changing...
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ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
PIMRC
2010
IEEE
14 years 7 months ago
2010
IEEE
We consider a cognitive two-way relay network which consists of two transceivers (primary users) and multiple cognitive terminals. The two transceivers transmit their data toward t...