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Closed-Form Expressions for Relay Selection with Secrecy Constraints
Published 8 Apr 2010 in cs.IT and math.IT | (1004.1277v1)
Abstract: An opportunistic relay selection based on instantaneous knowledge of channels is considered to increase security against eavesdroppers. The closed-form expressions are derived for the average secrecy rates and the outage probability when the cooperative networks use Decode-and-Forward (DF) or Amplify-and-Forward (AF) strategy. These techniques are demonstrated analytically and with simulation results.
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