212 search results - page 40 / 43 » A dynamic spectrum access scheme for cognitive radio network... |
GLOBECOM
2006
IEEE
14 years 2 months ago
2006
IEEE
— In order to fully exploit the aggregate bandwidth available in the radio spectrum, future Wireless Mesh Networks (WMN) are expected to take advantage of multiple orthogonal cha...
TWC
2010
13 years 3 months ago
2010
Abstract-- Relaying and orthogonal frequency division multiple access (OFDMA) are the accepted technologies for emerging wireless communications standards. The activities in many w...
JCST
2008
13 years 8 months ago
2008
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
SIGCOMM
2005
ACM
14 years 2 months ago
2005
ACM
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...
TSP
2010
13 years 3 months ago
2010
Dynamic spectrum management (DSM) has been recognized as a key technology to significantly improve the performance of digital subscriber line (DSL) broadband access networks. The b...