422 search results - page 40 / 85 » On the Wake-Up Problem in Radio Networks |
TCOM
2010
13 years 8 months ago
2010
Abstract—This paper considers an uplink time division multiple access (TDMA) cognitive radio network where multiple cognitive radios (secondary users) attempt to access a spect...
ICUMT
2009
13 years 7 months ago
2009
Abstract-- We consider the problem of Spectrum Sensing in Cognitive Radio Networks. In our previous work we have developed DualCUSUM, a distributed algorithm for change detection a...
TSP
2010
13 years 4 months ago
2010
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
BROADNETS
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract—To reap the benefits of advances in wireless technologies as well as provide backward compatibility with current investments, future wireless routers that constitute th...
INFOCOM
2009
IEEE
14 years 4 months ago
2009
IEEE
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...