67 search results - page 3 / 14 » Interference Model for Cognitive Coexistence in Cellular Sys... |
113
Voted
ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— Cognitive radio has been recently proposed as a promising technology to improve the spectrum utilization efficiency by intelligently sensing and accessing some vacant bands of...
157
Voted
JSAC
2011
14 years 10 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
132
Voted
CISS
2008
IEEE
15 years 10 months ago
2008
IEEE
Abstract— According to the cognitive radio paradigm, a terminal or subsystem will opportunistically select a frequency band for data transmission. Because the spectrum is shared,...
127
Voted
GLOBECOM
2007
IEEE
2007
IEEE
Enhanced Adaptive Frequency Hopping for Wireless Personal Area Networks in a Coexistence Environment
15 years 10 months ago
— In this paper, we present an enhanced adaptive frequency hopping (EAFH) mechanism for improving the performance of frequency hopping-based wireless personal area networks (WPAN...
144
Voted
ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— In this work we develop Markovian models to study the dynamics of elastic calls in a cell served by HSDPA and WiMAX systems. We first present analytical models for interferenc...