Statistical Robust Beamforming for Broadcast Channels and Applications in Satellite Communication pp 1-27 | Cite as
Multi-User Downlink Communication
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Abstract
Simultaneous wireless transmission from a single multi-antenna transmitter, e.g., a base station or a satellite, to K receivers—the users—is a standard model for terrestrial and satellite communication (SatCom) (Tse and Viswanath, Fundamentals of wireless communications. Cambridge University Press, New York, NY, 2008; Arapoglou et al., IEEE Commun Surv Tutorials 13:27, 2011). This multi-user downlink model is also known as a broadcast channel (BC) (e.g., see Tse and Viswanath (Fundamentals of wireless communications. Cambridge University Press, New York, NY, 2008)). The transmitter forms its transmit signal from independent data that are simultaneously conveyed to the users (Cover and Thomas, Elements of information theory. Wiley, Hoboken, NJ, 2006). Therefore, a terminal’s received signal not only includes the intended data signal, but also interfering signals that are destined to other terminals.
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