Correction
In our paper Distributed beamforming designs to improve physical layer security in wireless relay networks[1], several equations should be corrected as indicated below.
In section 2.1 ‘Amplify-and-forward’, the equation included in the paragraph above Equation (2) incorrectly read as follows: t i = w i ρ i r i
This equation should read correctly as follows: t i = w i *ρ i r i
In section 2.2 ‘Decode-and-forward’, the equation included in the paragraph above Equation (4) incorrectly read as follows: t i = w i s
This equation should read correctly as follows: t i = w i *s
In Equations (2–5), (7–8) and (25–26), wT is incorrectly included. In all of these equations wT should be replaced with wH.
References
Qian M, Liu C, Fu Y: Distributed beamforming designs to improve physical layer security in wireless relay networks. EURASIP J. Adv. Signal. Process 2014, 2014: 56. 10.1186/1687-6180-2014-56
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The online version of the original article can be found at 10.1186/1687-6180-2014-56
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Qian, M., Liu, C. & Fu, Y. Erratum to: Distributed beamforming designs to improve physical layer security in wireless relay networks. EURASIP J. Adv. Signal Process. 2014, 129 (2014). https://doi.org/10.1186/1687-6180-2014-129
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DOI: https://doi.org/10.1186/1687-6180-2014-129