253 search results - page 25 / 51 » Cognitive radio techniques for wide area networks |
WCNC
2010
IEEE
14 years 8 months ago
2010
IEEE
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...
ICCCN
2007
IEEE
15 years 4 months ago
2007
IEEE
— Wireless spectrum is a scare resource, while media streaming usually requires high end-to-end bandwidth. Media streaming in wireless ad hoc networks is therefore a particularly...
INFOCOM
2005
IEEE
15 years 3 months ago
2005
IEEE
— Most mobile wireless networking research today relies on simulations. However, fidelity of simulation results has always been a concern, especially when the protocols being st...
WOWMOM
2005
ACM
15 years 3 months ago
2005
ACM
Recent advances in Software Defined Radio (SDR), wide band spectrum sensing, and environment aware real-time spectrum allocation [13, 10, 4] show promise of enabling the new para...
COMSWARE
2007
IEEE
15 years 4 months ago
2007
IEEE
We present a novel distributed range-free technique called ExPLoIT for estimating geographical location of sensor nodes in mobile sensor networks. ExPLoIT is the rst positioning...