593 search results - page 115 / 119 » Cooperation and Cognitive Radio |
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
— We provide achievability as well as converse results for the degrees of freedom region of a MIMO X channel, i.e., a system with two transmitters, two receivers, each equipped w...
WICON
2008
13 years 11 months ago
2008
Cognitive Radio (CR) is seen as one of the enabling technologies for realizing a new spectrum access paradigm, viz. Opportunistic Spectrum Sharing (OSS). IEEE 802.22 is the world&...
CN
2010
13 years 10 months ago
2010
The developments in the communication and networking technologies have yielded many existing and envisioned information network architectures such as cognitive radio networks, sen...
JSAC
2008
13 years 9 months ago
2008
We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter must...
MOBIHOC
2010
ACM
13 years 7 months ago
2010
ACM
Dynamic spectrum auction is an effective solution to provide spectrum on-demand to many small wireless networks. As the number of participants grows, bidder collusion becomes a se...