论文标题
将干扰视为噪声对于秘密通信在干扰渠道上是最佳的
Treating Interference as Noise is Optimal for Covert Communication over Interference Channels
论文作者
论文摘要
我们使用监狱长研究了K-用户离散无内存干扰通道（DM-ICS）的秘密沟通。假定由k“ off”输入符号引起的监狱长的通道输出分布（在没有通信发生时发送）并不是任何其他输入符号组合引起的凸的组合（否则，平方根定律不起）。我们得出了确切的秘密容量区域，并表明一种简单的基于点对点的方案将干扰视为噪声是最佳的。此外，我们分析了可靠和秘密通信所需的秘密密钥长度，并提供了所需的费率，并提供了一个通道条件，其中每个用户对之间的秘密密钥是不必要的。结果扩展到高斯案件和多个监狱长的案件。
We study the covert communication over K-user discrete memoryless interference channels (DM-ICs) with a warden. It is assumed that the warden's channel output distribution induced by K "off" input symbols, which are sent when no communication occurs, is not a convex combination of those induced by any other combination of input symbols (otherwise, the square-root law does not hold). We derive the exact covert capacity region and show that a simple point-to-point based scheme with treating interference as noise is optimal. In addition, we analyze the secret key length required for the reliable and covert communication with the desired rates, and present a channel condition where a secret key between each user pair is unnecessary. The results are extended to the Gaussian case and the case with multiple wardens.
