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المؤلفBadawy A.
المؤلفKhattab T.
المؤلفElfouly T.
المؤلفChiasserini C.-F.
المؤلفMohamed A.
المؤلفTrinchero D.
تاريخ الإتاحة2022-04-21T08:58:29Z
تاريخ النشر2015
اسم المنشورIWCMC 2015 - 11th International Wireless Communications and Mobile Computing Conference
المصدرScopus
المعرّفhttp://dx.doi.org/10.1109/IWCMC.2015.7289067
معرّف المصادر الموحدhttp://hdl.handle.net/10576/30126
الملخصThe broadcast nature of wireless communications imposes the risk of information leakage to adversarial users or unauthorized receivers. Therefore, information security between intended users remains a challenging issue. Most of the current physical layer security techniques exploit channel randomness as a common source between two legitimate nodes to extract a secret key. In this paper, we propose a new simple technique to generate the secret key. Specifically, we exploit the estimated channel to generate a secondary random process (SRP) that is common between the two legitimate nodes. We compare the estimated channel gain and phase to a preset threshold. The moving differences between the locations at which the estimated channel gain and phase exceed the threshold are the realization of our SRP. We simulate an orthogonal frequency division multiplexing (OFDM) system and show that our proposed technique provides a drastic improvement in the key bit mismatch rate (BMR) between the legitimate nodes when compared to the techniques that exploit the estimated channel gain or phase directly. In addition to that, the secret key generated through our technique is longer than that generated by conventional techniques. 2015 IEEE.
راعي المشروعQatar National Research Fund
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعChannel estimation
Frequency division multiplexing
Local area networks
Mobile computing
Network layers
Orthogonal frequency division multiplexing
Random processes
Security of data
Signal receivers
Wireless telecommunication systems
Conventional techniques
Estimated channels
Information leakage
OFDM systems
Orthogonal frequency division multiplexing systems
Physical layer security
Secret key generations
Wireless communications
Cryptography
العنوانChannel secondary random process for robust secret key generation
النوعConference Paper
الصفحات114-119


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