124 search results - page 4 / 25 » The Linear Time - Branching Time Spectrum II |
INFOCOM
2012
IEEE
11 years 9 months ago
2012
IEEE
Abstract—Opportunistic wireless channel access by nonlicensed users has emerged as a promising solution for addressing the bandwidth scarcity challenge. Auctions represent a natu...
GLOBECOM
2010
IEEE
13 years 4 months ago
2010
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) has been recently proposed as a modulation technique for optical networks, due to its good spectral efficiency and impairment tole...
GC
2008
Springer
13 years 6 months ago
2008
Springer
In this paper we study the class of weakly quasi-threshold graphs that are obtained from a vertex by recursively applying the operations (i) adding a new isolated vertex, (ii) addi...
ERSA
2010
13 years 4 months ago
2010
The pixel purity index algorithm is employed in remote sensing for analyzing hyperspectral images. A single pixel usually covers several different materials, and its observed spect...
ITIIS
2010
13 years 5 months ago
2010
In this paper, we propose a cooperative multi-relay scheme for a secondary system to achieve spectrum access along with a primary system. In the primary network, a primary transmi...