476 search results - page 85 / 96 » The Relay Channel with a Wire-tapper |
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—Signature quantization for reverse-link Direct Sequence (DS)- Code Division Multiple Access (CDMA) is considered. A receiver assumed to have perfect estimates of channel...
72
Voted
INFOCOM
2007
IEEE
15 years 3 months ago
2007
IEEE
We consider an ad-hoc wireless network operating within a free market economic model. Users send data over a choice of paths, and scheduling and routing decisions are updated dyna...
MOBIQUITOUS
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract— Cooperative transmission is an emerging communication technique that takes advantages of spatial diversity and broadcast natures of wireless channels to improve wireles...
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— Throughput is an important performance measure for data communications over wireless links. In this work, we consider joint adaptation of coding rates, modulation modes and lev...
89
Voted
INFOCOM
2003
IEEE
15 years 2 months ago
2003
IEEE
—We consider dynamic routing and power allocation for a wireless network with time-varying channels. The network consists of power constrained nodes that transmit over wireless l...