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Strong secrecy on a class of Degraded Broadcast Channels using polar codes

机译:使用极性码对一类降级广播频道的高度保密

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Two polar coding schemes are proposed for the degraded broadcast channel under different reliability and secrecy requirements. In these settings, the transmitter wishes to send multiple messages to a set of legitimate receivers keeping them masked from a set of eavesdroppers, and individual channels are assumed to gradually degrade in such a way that each legitimate receiver has a better channel than any eavesdropper. The layered decoding structure requires receivers with better channel quality to reliably decode more messages, while the layered secrecy structure requires eavesdroppers with worse channel quality to be kept ignorant of more messages.
机译:针对不同的可靠性和保密性要求,针对降级的广播信道提出了两种极性编码方案。在这些设置中,发送方希望将多个消息发送给一组合法的接收方,以使它们被一组窃听者屏蔽,并且假定各个信道以这种方式逐渐降级,以使每个合法的接收方都拥有比任何窃听者更好的信道。分层解码结构要求接收器具有更好的信道质量,才能可靠地解码更多消息,而分层保密结构则要求窃听器具有较差的信道质量,以使其不了解更多消息。

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