Abstract
Point-to-point communications occur between a single transmitter and a single receiver. In this chapter, we focus on multiuser communications, that occur between a network of fixed and/or mobile users and a common network center probably having access to a wireline network infrastructure. Multiuser communications in a satellite scenario usually refer to a star topology consisting of one or more gateways and a large number of small user terminals. Gateways communicate with the user terminals through the forward link and terminals may communicate with the Gateways through the return link, both links having a multiuser uplink channel and a multiuser downlink channel. Broadly speaking multiuser communications may refer either to a one-way communication as radio or TV broadcasting or to a two-way multiuser communication where each user is interested in a message specific to herself. In general, multiuser communications usually refer to the latter case.
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© 2007 Springer Science+Business Media, LLC
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Vázquez Castro, M.A. et al. (2007). Multiuser Satellite Communications. In: Corazza, G. (eds) Digital Satellite Communications. Information Technology: Transmission, Processing and Storage. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-34649-6_9
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DOI: https://doi.org/10.1007/978-0-387-34649-6_9
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-25634-4
Online ISBN: 978-0-387-34649-6
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