43 search results - page 7 / 9 » Spectral Efficiency of Cognitive Radio Systems |
GLOBECOM
2010
IEEE
13 years 4 months ago
2010
IEEE
Cognitive radios, which enable the coexistence on the same bandwidth of licensed primary and unlicensed secondary users, have the potential for dramatically increasing the efficien...
JCM
2006
13 years 6 months ago
2006
Abstract-- Future generations of wireless systems require opportunistic spectrum access techniques to effectively detect and access temporarily unused spectrum bands. Cognitive rad...
ETT
2010
13 years 1 months ago
2010
This paper studies the impact of femto-cell underlay deployment that share radio frequency resources with urban macro-cells. Due to the random and uncoordinated deployment, femto-c...
PIMRC
2010
IEEE
13 years 4 months ago
2010
IEEE
Multi-carrier modulation and especially CP-OFDM is widely used nowadays in several radio communications. However, FBMC is a potential alternative to CP-OFDM since it does not requi...
PIMRC
2010
IEEE
13 years 4 months ago
2010
IEEE
Abstract--In this paper we describe an LTE based demonstrator of the Universal Link Layer API (ULLA) and Cognitive Resource Manager (CRM) modules that are developed in ARAGORN proj...