13 search results - page 2 / 3 » Channel Estimation and Adaptive M-QAM in Cognitive Radio Lin... |
TCOM
2010
13 years 9 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...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— For cognitive radio networks, a popular approach to dynamic spectrum allocation (DSA) is game theoretic, which improves spectrum efficiency in a distributed manner. In a doubl...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— This paper presents an architecture for adaptive cognitive radio networks based on the concept of a “global control plane”. The proposed control architecture uses a predete...
MSWIM
2009
ACM
14 years 3 months ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
INFOCOM
2006
IEEE
14 years 4 months ago
2006
IEEE
— Opportunistic spectrum access and adaptive power management are effective techniques to improve throughput, delay performance, and energy efficiency for wireless networks. In ...