Cooperative Relaying Protocol for Improving Physical Layer Security in Wireless Decode-and-Forward Relaying Networks
- Authors
- Lee, Jong-Ho
- Issue Date
- Aug-2015
- Publisher
- SPRINGER
- Keywords
- Physical layer security; Cooperation; Relay networks; Secrecy rate
- Citation
- WIRELESS PERSONAL COMMUNICATIONS, v.83, no.4, pp.3033 - 3044
- Journal Title
- WIRELESS PERSONAL COMMUNICATIONS
- Volume
- 83
- Number
- 4
- Start Page
- 3033
- End Page
- 3044
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/10279
- DOI
- 10.1007/s11277-015-2580-2
- ISSN
- 0929-6212
- Abstract
- In this paper, we consider cooperative relaying protocols for enhancing wireless physical layer security. For time-division multiple-access based cooperative protocols, we analyze achievable secrecy rates with total and individual relay power constraints and design relay beamforming weights to improve the secrecy rate, assuming that multiple cooperative relays operate in decode-and-forward mode. Numerical results are presented to compare the secrecy rates of the cooperative protocols in various secure communication environments.
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