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논문 기본 정보

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(McMaster University) (Hanbat National University) (Electronics and Telecommunications Research Institute (ETRI)) (Hanbat National University)
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한국통신학회 한국통신학회논문지 한국통신학회논문지 제49권 제6호
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    초록·키워드

    Device-to-device (D2D) communication in cellular networks enables mobile users in proximity to communicate with each other without the intervention of infrastructures such as base stations (BSs). Accordingly, networks should configure a cluster for cluster-based D2D content sharing. However, potential threats may arise since signaling among D2D devices is not mostly controlled by the centralized entity (e.g., BS). In this paper, we investigate a quality of service (QoS) degradation attack where channel feedback is incorrectly reported by the attacker (i.e., channel state information (CSI) forgery) in order to decrease the cluster sum-rate in a cluster-based D2D communication scenario. We first derive a closed-form of the cluster sum-rate under the QoS degradation attack. We also analyze the effect of a threshold-based defense scheme on the cluster sum-rate and further evaluate the impact of the QoS degradation attack using a system-level simulator in 5G networks (i.e., Simu5G).

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