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Bargaining over secrecy and reliability for low SNR OFDM communications

机译：低信噪比OFDM通信的保密性和可靠性讨价还价

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Maintaining both reliable and secret communication involves different objectives: ensuring sufficient throughput for reliable communication and ensuring the secrecy of the associated communication. The optimal solution for one of these objectives might not be optimal or even suitable for another objective and thus a question arises as to what is the appropriate criteria for fairly balancing these objectives. We solve this problem in two steps. In the first step,we use the α-fairness criteria for formulating the tradeoff between these objectives. Its advantage is that it allows one to consider a continuum of fairness criteria in a unified framework, from cooperative fulfilment of both objectives (for α = 0) to a maxmin scenario as α tends to infinity. In the second step, by means of bargaining over the continuum of obtained optimal fair solutions, we find the solution that is optimally fair. We illustrate the suggested approach by a closed-form solution obtained for transmission in the low SNR regime.
机译：维持可靠和秘密通信两者涉及不同的目标：确保足够的吞吐量以进行可靠的通信并确保相关通信的保密性。这些目标中的一个的最佳解决方案可能不是最佳的，甚至可能不适用于另一个目标，因此，对于公平地平衡这些目标的适当标准提出了一个问题。我们分两步解决此问题。第一步，我们使用α-公平标准来制定这些目标之间的权衡。其优势在于，它允许人们在统一框架中考虑公平性标准的连续性，从两个目标的合作实现（对于α= 0）到最大最小值方案（随着α趋于无穷大）。第二步，通过对获得的最优公平解的连续性进行讨价还价，我们找到了最优公平的解。我们通过为在低SNR体制中进行传输而获得的封闭形式解决方案来说明建议的方法。

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