593 search results - page 66 / 119 » Cooperation and Cognitive Radio |
PIMRC
2010
IEEE
14 years 7 months ago
2010
IEEE
We consider a cognitive two-way relay network which consists of two transceivers (primary users) and multiple cognitive terminals. The two transceivers transmit their data toward t...
PIMRC
2008
IEEE
15 years 4 months ago
2008
IEEE
Multihop cellular networks (MeNs) is an extension of single hop cellular networks (SCNs) having benefits of a fixed base station and flexible ad hoc networks. The radio resource ma...
GROUP
2003
ACM
15 years 3 months ago
2003
ACM
Most current theories about collective cognitive activities in limited groups apply to structurally closed co-operative situations Here we propose to work in the framework of inte...
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract—Cognitive radio technologies have become a promising approach to increase the efficiency of spectrum utilization. Although cognitive radio has been intensively studied ...
JSAC
2008
14 years 9 months ago
2008
A cognitive radio can sense its environment and adapt some of its features, such as carrier frequency, transmission bandwidth, transmission power, and modulation, thus allowing dyn...