452 search results - page 11 / 91 » Time-Parallel Algorithms for Simulation of Multiple Access P... |
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— In sensor networks, MAC protocols based on Time Division Multiple Access (TDMA) with wakeup and sleep periods have attracted considerable interest because of their low power co...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
—In this paper, with the cross-layer design principle, a novel cooperative triple busy tone multiple access (CTBTMA) scheme is proposed for wireless networks to achieve cooperati...
TWC
2008
13 years 9 months ago
2008
In this paper, we develop a random access scheme which combines the widely used binary exponential backoff (BEB) algorithm with a cross-layer tree algorithm (TA) that relies on suc...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
— Multi-user multiple-input multiple-output (MIMO) systems have been emerging and attracting considerable attention recently for its potential to substantially improve system cap...