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Secrecy Rate Region Enhancement in Multiple Access Wiretap Channel, Journal of Telecommunications and Information Technology, 2022, nr 2
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Title: Secrecy Rate Region Enhancement in Multiple Access Wiretap Channel, Journal of Telecommunications and Information Technology, 2022, nr 2

Creator:

Shah, Shahid Mehraj

Date:

2022, nr 2

Resource Type:

artykuł

Description:

It is commonly known that physical layer security is achieved with a trade-off in terms of the achievable rate. Hence, security constraints generate rate losses in wiretap channels. To mitigate such rate losses in multi-user channels, we propose a coding/decoding scheme for multi-user multiple access wiretap channel (MAC-WT), where previously transmitted messages are used as a secret key to enhance the secrecy rates of the transmitting users, until the usual Shannon capacity region of a multiple access channel (MAC) is achieved without the secrecy constraint. With this coding scheme, all messages transmitted in the recent past are secure with respect to all the information of the eavesdropper till now. To achieve this goal, we introduce secret key buffers at both the users and the legitimate receiver. Finally, we consider a fading MAC-WT and show that with this coding/decoding scheme, we can achieve the capacity region of a fading MAC channel (in the ergodic sense).

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy

Format:

application/pdf

Resource Identifier:

ISSN 1509-4553, on-line: ISSN 1899-8852 ; oai:bc.itl.waw.pl:2222

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

multiple access channel wiretap channel physical layer security strong secrecy

Object collections:

Last modified:

Mar 12, 2024

In our library since:

Jul 20, 2022

Number of object content hits:

23

All available object's versions:

https://ribes-54.man.poznan.pl/publication/2529

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Edition name Date
Shah, Shahid Mehraj, Secrecy Rate Region Enhancement in Multiple Access Wiretap Channel, Journal of Telecommunications and Information Technology, 2022, nr 2 Mar 12, 2024
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Instytut Łączności – Państwowy Instytut Badawczy ul. Szachowa 1 04-894 Warszawa

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