476 search results - page 94 / 96 » The Relay Channel with a Wire-tapper |
ICASSP
2009
IEEE
14 years 4 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
PIMRC
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract-In this paper, we investigate the problem of providing QoS to end-to-end flows in multihop ad hoc networks with channel errors through packet scheduling. Each flow is asso...
ADHOC
2011
13 years 4 months ago
2011
To accommodate real-time multimedia application while satisfying application QoS requirements in a wireless ad-hoc network, we need QoS control mechanisms. In this paper, we propo...
ICC
2009
IEEE
14 years 4 months ago
2009
IEEE
—The DVB-H standard has been defined to provide digital video broadcast to mobile handheld devices. However, without a request channel, a handheld device may encounter data loss...
VTC
2008
IEEE
14 years 4 months ago
2008
IEEE
—The EU WINNER projects have studied OFDM-based packet data systems beyond 3G that use adaptivity on all timescales to obtain high flexibility and performance. The adaptive trans...