199 search results - page 40 / 40 » Multiple antenna spectrum sensing in cognitive radios |
GLOBECOM
2009
IEEE
13 years 10 months ago
2009
IEEE
IEEE 802.22 wireless regional area network (WRAN) is an emerging cognitive radio-based system. One of the major challenges for WRANs is how to efficiently schedule both channel sen...
TSP
2010
13 years 29 days ago
2010
The Lasso is a popular technique for joint estimation and continuous variable selection, especially well-suited for sparse and possibly under-determined linear regression problems....
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...
SIGCOMM
2009
ACM
14 years 23 days ago
2009
ACM
Network protocol designers, both at the physical and network level, have long considered interference and simultaneous transmission in wireless protocols as a problem to be avoide...