347 search results - page 62 / 70 » globecom 2008 |
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
—It has been shown that the radio channel impulse response for a pair of legitimate Ultra-wide band (UWB) transceivers can be used to generate secret keys for secure communicatio...
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
— Unwanted and malicious messages dominate Email traffic and pose a great threat to the utility of email communications. Reputation systems have been getting momentum as the sol...
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
— A novel, practical and low-complexity multi-cell OFDMA downlink channel assignment method using a graphbased approach is proposed in this work. The inter-cell interference (ICI...
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...