512 search results - page 20 / 103 » Random Access Systems with a Time Varying Channel |
JSAC
2006
13 years 10 months ago
2006
Ultra-wideband (UWB) transmission is an emerging wireless technology for future short-range indoor and outdoor multimedia applications. To coordinate the access to the wireless med...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— In this paper, we consider the queueing performance of a subscriber station for IEEE802.16e random access protocol with bulk transmissions which is allowed with an ARQ protocol...
JCM
2007
13 years 10 months ago
2007
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
Abstract— The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closedform e...
MOBICOM
2000
ACM
14 years 3 months ago
2000
ACM
In satellite and wireless networks and in advanced traffic information systems in which the up-link bandwidth is very limited, a server broadcasts data files in a round-robin man...