On the Capacity of Gaussian Multiple-Access Wiretap Channels with Feedback

被引：0

作者：

Dai, Bin ^{[1
,5
]}

Li, Chong ^{[2
]}

Liang, Yingbin ^{[3
]}

Ma, Zheng ^{[1
]}

Shamai , Shlomo ^{[4
]}

机构：

[1] Southwest Jiaotong Univ, Sch Informat Sci & Technol, Chengdu 610031, Peoples R China

[2] Nakamoto & Turing Labs, New York, NY 10018 USA

[3] Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43220 USA

[4] Technion Israel Inst Technol, Dept Elect Engn, IL-32000 Technion, Israel

[5] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Shaanxi, Peoples R China

来源：

PROCEEDINGS OF 2020 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS (ISITA2020) | 2020年

基金：

中国国家自然科学基金;

关键词：

ACHIEVABLE RATE REGION; NOISE CHANNELS; CODING SCHEME; INFORMATION; STATE;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Two user Gaussian multiple-access wiretap channel models with feedback are investigated. First, we show that the secrecy capacity regions of both the Gaussian multiple-access wiretap channel (GMAC-WT) with feedback and the GMAC-WT with noncausal channel state information at the transmitters (GMAC-WT-NCSIT) and feedback equal the capacity region of the Gaussian multiple-access channel (GMAC) with feedback and without the secrecy constraint and the state corruption. Next, we derive inner and outer bounds on the secrecy capacity region of the GMAC-WT with degraded message set and feedback. Our numerical results show that the perfect secrecy of the private message can be achieved without loss of any reliable transmission rate.

引用

页码：397 / 401

页数：5

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