56 search results - page 2 / 12 » A New Achievable Rate Region for the Cognitive Radio Channel |
CORR
2008
Springer
13 years 4 months ago
2008
Springer
A new perspective on cognitive radio is presented for the case where the primary transmission is in uncoded analog form. The basic idea is to exploit signal-to-noise ratio margins ...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—For a cooperative Gaussian multiple access channel (MAC), we propose a new channel adaptive three user cooperation strategy, based on a non-trivial extension of block Markov sup...
CORR
2007
Springer
13 years 4 months ago
2007
Springer
—The general Gaussian multiple-access wiretap channel (GGMAC-WT) and the Gaussian two-way wiretap channel (GTW-WT) are considered. In the GGMAC-WT, multiple users communicate wit...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
The problem of distributed multiuser medium access of a hierarchical cognitive radio network with multiple primary and secondary users is considered. Each primary user has a licen...
ASIAMS
2009
IEEE
13 years 11 months ago
2009
IEEE
Cognitive radio has the ability to sense the environment and adapt its behavior to optimize communication features, such as quality of service in the presence of interference and ...