Secrecy Capacity of the Extended Wiretap Channel II with Noise

被引：1
|
作者：
He, Dan [1 ]
Guo, Wangmei [1 ]
Luo, Yuan [2 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[2] Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200240, Peoples R China
来源：
ENTROPY | 2016年 / 18卷 / 11期
基金：
中国国家自然科学基金;
关键词：
wiretap channel; secrecy capacity; wiretap channel II; secrecy criteria;
D O I：
10.3390/e18110377
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The secrecy capacity of an extended communication model of wiretap channelII is determined. In this channel model, the source message is encoded into a digital sequence of length N and transmitted to the legitimate receiver through a discrete memoryless channel (DMC). There exists an eavesdropper who is able to observe arbitrary m = N a digital symbols from the transmitter through a second DMC, where 0 a 1 is a constant real number. A pair of an encoder and a decoder is designed to let the receiver be able to recover the source message with a vanishing decoding error probability and keep the eavesdropper ignorant of the message. This communication model includes a variety of wiretap channels as special cases. The coding scheme is based on that designed by Ozarow andWyner for the classic wiretap channel II.
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页数：22
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