2007 search results - page 42 / 402 » SPECTRUM |
NETWORKING
2011
13 years 19 days ago
2011
Abstract. Sensing mechanisms that estimate the occupancy of wireless spectrum are crucial to the success of approaches based on Dynamic Spectrum Access. In this paper, we present k...
INFOCOM
2012
IEEE
12 years 7 days ago
2012
IEEE
—Recent advances in cognitive radio (CR) technology have brought about a number of wireless standards that support opportunistic access to available white-space spectrum. Address...
TOG
2012
12 years 7 days ago
2012
Point samples with different spectral noise properties (often defined using color names such as white, blue, green, and red) are important for many science and engineering discip...
CISS
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— This paper addresses the problem of evaluating the reliability of a single-radio, multi-channel, multi-hop dynamic spectrum access (DSA) network supporting QoS-driven network s...