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Non-Linear Interference Mitigation for Broadband Multimedia Satellite Systems

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5 Author(s)
Marcos Alvarez Diaz ; Dept. of Signal Theory and Communications, University of Vigo, 36310 Vigo, Spain, Email: ; Nicolas Courville ; Carlos Mosquera ; Gianluigi Liva
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This contribution explores the use of interference mitigation techniques applied to broadband satellite systems with co-channel interference. In particular, our focus is on nonlinear precoding techniques, borrowing ideas from the theory of broadcast MIMO channels. A number of schemes are compared, including several implementations of Tomlinson-Harashima precoding and their linear precoding counterparts. Simulations on realistic scenarios show potential improvements of non-linear precoding with respect to linear interference mitigation and classical countermeasures based on frequency division among beams. Also, we identify several practical issues related to the implementation of Tomlinson-Harashima Precoding in satellite communication systems.

Published in:

Satellite and Space Communications, 2007. IWSSC '07. International Workshop on

Date of Conference:

13-14 Sept. 2007