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Overlay spectrum reuse in a multicarrier broadcast network: Coverage analysis

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3 Author(s)
Rico-Alvarino, A. ; Signal Theor. & Commun. Dept., Univ. de Vigo, Vigo, Spain ; Mosquera, C. ; Perez-Gonzalez, F.

A secondary cognitive user overlaying its message in a broadcast multicarrier network is studied. The secondary user exploits the primary message knowledge to convey its own information while preserving the primary user coverage area, determined by a bound on the BER, and taking into account the degradation due to the insertion of an echo in a dominant line of sight environment. The results are compared with those obtained when the coverage area is defined in capacity terms, which do not consider the practical degradation caused by the secondary replica of the primary message.

Published in:

Signal Processing Advances in Wireless Communications (SPAWC), 2012 IEEE 13th International Workshop on

Date of Conference:

17-20 June 2012