199 search results - page 15 / 40 » Multiple antenna spectrum sensing in cognitive radios |
TSP
2010
14 years 6 months ago
2010
In this paper, the achievable rates of the so called "multiple-input multiple-output interference channel", exploited by a couple of single antenna primary terminals and...
100
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CORR
2010
Springer
14 years 12 months ago
2010
Springer
This paper considers the problem of spectrum sensing in cognitive radio networks when the primary user is using Orthogonal Frequency Division Multiplexing (OFDM). For this we devel...
GLOBECOM
2010
IEEE
14 years 9 months ago
2010
IEEE
With the employment of cognitive radio technology, dynamic spectrum management has the potential to solve the underused spectrum problem. In this paper, we introduce and compare tw...
109
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TWC
2010
14 years 6 months ago
2010
In this paper, we propose the concept of centralized dynamic spectrum leasing (C-DSL), in which multiple primary users belonging to the same primary system participate in the spect...
GLOBECOM
2008
IEEE
15 years 6 months ago
2008
IEEE
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...