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المؤلفEl Shafie, Ahmed
المؤلفAl-dhahir, Naofal
المؤلفDing, Zhiguo
المؤلفDuong, Trung Q.
المؤلفHamila, Ridha
تاريخ الإتاحة2023-04-04T09:09:11Z
تاريخ النشر2019
اسم المنشورIEEE Access
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1109/ACCESS.2019.2895246
معرّف المصادر الموحدhttp://hdl.handle.net/10576/41663
الملخصWe investigate the physical-layer security of an uplink wireless time-division multiple-access channel with energy-harvesting source nodes. We consider a set of source nodes equipped with rechargeable batteries and information buffers communicating confidentially with a base station, Bob, in the presence of a passive eavesdropper, Eve. An energy-harvesting rechargeable-battery cooperative jammer is assumed to assist the source nodes to confidentially send their information messages. We propose a two-level optimization formulation to improve the system's security performance. At the first optimization level, we propose a jamming scheme under energy constraints at different nodes to reduce the secrecy outage probabilities without relying on the eavesdropper's instantaneous channel state information. At the second optimization level, we optimize the number of energy packets used at the source nodes and the cooperative jammer as well as the time-slot allocation probabilities to maximize the secure throughput under the network's queues stability constraints and an application-specific secure throughput for each legitimate source node. The numerical results show the significant performance gains of our proposed optimization relative to two important benchmarks. We verify our theoretical findings through simulations and quantify the impact of key system design parameters on the security performance. 2019 IEEE.
راعي المشروعThis publication was made possible by NPRP grant # NPRP 8-627-2-260 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
اللغةen
الناشرIEEE
الموضوعEnergy harvesting
information and energy queues
physical-layer security
secrecy rates
secure throughput
العنوانWiretap TDMA Networks with Energy-Harvesting Rechargeable-Battery Buffered Sources
النوعArticle
الصفحات17215-17229
رقم المجلد7
dc.accessType Open Access


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