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GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
— Given a wireless sensor network (WSN) whose sensors are randomly and independently distributed in a bounded area following a homogeneous Poisson process with density ρ and eac...
GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
Abstract—Directional antennas are expected to provide significant improvements over omni-directional antennas in wireless ad hoc networks. Directional MAC protocols, however, int...
GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
—One of the main requirements of cognitive radio systems is the ability to reliably detect the presence of licensed primary transmissions. Previous works on the problem of detect...
GLOBECOM
2007
IEEE
15 years 2 months ago
2007
IEEE
Wireless sensor networks have been widely used in many surveillance applications. Due to the importance of sensor nodes in such applications, certain level of protection needs to b...
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GLOBECOM
2007
IEEE
15 years 2 months ago
2007
IEEE
In this paper, we consider a MIMO wireless relay network where communication between a source and a destination node is assisted by multiple relay nodes using the Amplifyand-Forwar...