512 search results - page 44 / 103 » Random Access Systems with a Time Varying Channel |
VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
—A common simplification in the treatment of random linear channels is the assumption of stationarity of the channel in time. The wireless channel is, however, known to be inher...
BSN
2009
IEEE
15 years 4 months ago
2009
IEEE
Wireless systems that form a body-area network must be made small and low power without sacrificing performance. To achieve high-throughput communication in low-cost wireless bod...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—The problem of cooperative allocation among multiple secondary users to maximize cognitive system throughput is considered. The channel availability statistics are initi...
CNSR
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, we propose a blind beamforming technique for multipath CDMA channels, which requires prior knowledge of only the spreading code and the timing of the desired user. ...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—This paper considers a slotted ALOHA random access system where users send packets to a common receiver with multipacket reception capability. A collection of m users access the...