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                  <mods:namePart>Boluda-Ruiz, Rubén</mods:namePart>
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                  <mods:namePart>Castillo-Vázquez, Beatriz</mods:namePart>
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               <mods:abstract>Ergodic capacity for the bit-detect-and-forward&#xd;
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approximate closed-form expression of the sum of gamma-gamma with pointing errors variates. It can be concluded that a greater and robust capacity strongly dependent on the relay location is achieved compared to a direct transmission.</mods:abstract>
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