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GLOBECOM
2009
IEEE
13 years 9 months ago
Distributed Power and Carrier Allocation in Multibeam Satellite Uplink with Individual SINR Constraints
Abstract--Current multibeam satellite systems perform centralized power and carrier allocation assuming a Multi-Frequency Time Division Multiple Access (MF-TDMA) scheme with fixed ...
J. E. Barcelo-Llado, Maria Angeles Vázquez-...
GLOBECOM
2008
IEEE
13 years 11 months ago
SINR Balancing for the Multi-User Downlink under General Power Constraints
Abstract—We address the problem of maximizing the minimum signal to interference and noise ratio of individual users via linear precoding in a multiuser downlink channel with mul...
Albrecht J. Fehske, Fred Richter, Gerhard Fettweis
ICT
2004
Springer
130views Communications» more  ICT 2004»
13 years 10 months ago
Rayleigh Fading Multiple Access Channel Without Channel State Information
— In this paper we determine bounds of the capacity region of a two-user multipleaccess channel with Rayleigh fading when neither the transmitters nor the receiver has channel st...
Ninoslav Marina
JSAC
2008
151views more  JSAC 2008»
13 years 5 months ago
Joint Beamforming and Power Allocation for Multiple Access Channels in Cognitive Radio Networks
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
Lan Zhang, Ying-Chang Liang, Yan Xin
JSAC
2006
128views more  JSAC 2006»
13 years 5 months ago
Optimized Transmission for Fading Multiple-Access and Broadcast Channels With Multiple Antennas
In mobile wireless networks, dynamic allocation of resources such as transmit powers, bit-rates, and antenna beams based on the channel state information of mobile users is known t...
Mehdi Mohseni, Rui Zhang, John M. Cioffi