无线隐蔽通信容量限与实现技术综述

doi:10.11959/j.issn.1000-436x.2022153

Abstract

Abstract:

The differences and connections between wireless covert communication (WCC) and related concepts were clarified.The WCC research based on hypothesis testing theory and information theory was focused.The basic research model and the categories of specific models were introduced.The existing works were classified and reviewed in two parts, namely, capacity limits and implementation techniques.The former part reviewed the works that reveal the limit rate, and divided them into two categories as per the order of the limit rate: squared root rate and positive rate.The latter part reviewed the works that analyze the performance of WCC systems and optimize the implementation schemes, and classified them as per their application scenarios.Finally, potential research directions were discussed.

Key words: wireless covert communication, low probability of detection communication, physical-layer security, information security

CLC Number:

TN92

Weiyu CHEN, Junshan LUO, Fanggang WANG, Haiyang DING, Shilian WANG, Guojiang XIA. Survey of capacity limits and implementation techniques in wireless covert communication[J]. Journal on Communications, 2022, 43(8): 203-218.

Figures/Tables 3

References 80

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文献	核心贡献	信道模型
文献[12]	均方根定律	AWGN
文献[21]	天线数对隐蔽通信速率极限的影响	MIMO AWGN
文献[22]	不需要密钥，一阶隐蔽容量	BSC（Bob信道优于Willie）
文献[23]	最小所需密钥量关于符号数的阶数	DMC/AWGN
文献[24]	相对熵约束下的一阶隐蔽容量	DMC/AWGN
文献[25]	相对熵约束下的一阶隐蔽容量	瑞利快衰落
文献[26]	相对熵约束下的一阶隐蔽密钥生成容量	DMC
文献[27]	不同隐蔽指标约束下的一阶、二阶隐蔽容量	二元输入DMC
文献[28]	一阶容量可达的低复杂度编码方案（多进制）	二元输入DMC
文献[29]	一阶容量可达的低复杂度编码方案（二进制）	二元输入DMC
文献[30]	一阶容量可达的低复杂度编码方案	AWGN
文献[31]	相对熵约束下的一阶容量域	二元输入DMC多址接入信道
文献[32]	相对熵约束下的一阶容量域	DMC/AWGN广播信道
文献[33]	相对熵约束下的一阶容量域	DMC/AWGN多收发对互扰信道

文献	正速率来源	信道模型
文献[34]	Willie对噪声功率的不确定性	AWGN
文献[35]	Willie对干扰功率的不确定性	AWGN/准静态瑞利衰落信道
文献[18]	Willie对干扰功率的不确定性	AWGN（连续时间）
文献[36]	干扰源充分逼近Willie	AWGN
文献[37]	Alice具有信道信息优势/	DMC/AWGN
	Alice已知干扰序列
文献[38]	Willie对传输时间的不确定性	AWGN
文献[39]	掌握关于Willie的信道信息且	MIMO AWGN
	有零空间/充分大的发射天线数

Survey of capacity limits and implementation techniques in wireless covert communication

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