563 search results - page 28 / 113 » Optimal Transmission for Dying Channels |
TSP
2008
13 years 9 months ago
2008
Abstract-- We consider single-carrier and single-user transmissions over a frequency-selective channel. We address the problem of joint estimation of the channel and the carrier fr...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
With the employment of cognitive radio technology, dynamic spectrum management has the potential to solve the underused spectrum problem. In this paper, we introduce and compare tw...
CISS
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract-Joint subcarrier, power and rate allocation in orthogonal frequency division multiple access (OFDMA) scheduling is investigated for both downlink and uplink wireless trans...
ICC
2009
IEEE
14 years 4 months ago
2009
IEEE
—In a multi-access fading channel, dynamic allocation of bandwidth, transmission power and rates is an important aspect to counter the detrimental effect of time-varying nature o...
JSAC
2006
13 years 9 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...