221 search results - page 13 / 45 » Dynamic spectrum access in open spectrum wireless networks |
ICC
2007
IEEE
15 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...
104
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MONET
2006
14 years 9 months ago
2006
The radio frequency spectrum is a naturally limited resource of extraordinary value, as the key to the provision of important communication and information services. Traditionally,...
ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
— In this paper, we present an analytical model as well as a practical mechanism to detect denial of service (DoS) attacks on secondary users in dynamic spectrum access (DSA) net...
ICNP
2009
IEEE
15 years 4 months ago
2009
IEEE
—Accurate sensing of the spectrum condition is of crucial importance to the mitigation of the spectrum scarcity problem in dynamic spectrum access (DSA) networks. Specifically, ...
65
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GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
— In this paper, we propose a novel channel sounding technique, called the multicarrier direct sequence swept time delay cross-correlation (MC-DS-STDCC), which is designed to min...