369 search results - page 24 / 74 » A Distributed Opportunistic Access Scheme for OFDMA Systems |
VTC
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract— Mobile radio networks of the IMT-Advanced systems family promise ubiquitous broadband access and high area coverage, with rates of several 100 MBit/s. They claim to gua...
85
Voted
VTC
2007
IEEE
15 years 3 months ago
2007
IEEE
—Ultra-wideband (UWB) has emerged as an exciting technology for short range, high data rate wireless personal area networks (WPAN) applications. The multiband orthogonal frequenc...
ISADS
1999
IEEE
15 years 1 months ago
1999
IEEE
We designed a secure key registration system based on the proactive secret-sharing scheme. A user can register important data such as a session key to a distributed system in a (t...
93
Voted
MOBICOM
2009
ACM
15 years 4 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
MOBISYS
2008
ACM
15 years 9 months ago
2008
ACM
Personal mobile devices are increasingly equipped with the capability to sense the physical world (through cameras, microphones, and accelerometers, for example) and the network w...