422 search results - page 30 / 85 » On the Wake-Up Problem in Radio Networks |
CN
2008
13 years 7 months ago
2008
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Recently, a cooperative paradigm for single-channel cognitive radio networks has been advocated, where primary users can leverage secondary users to relay their traffic. However, i...
JSAC
2011
13 years 2 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— Two driving goals for cognitive radio (CR) technique are maximizing spectrum utilization and avoiding interference to primary users. In this paper, we deal with the CR ...
IPSN
2009
Springer
14 years 2 months ago
2009
Springer
As sensor networks mature, there will be an increasing need for re-usable, dynamically taskable software systems that support multiple concurrent applications. In this paper, we c...