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In this paper, we investigate the secure transmission of wireless relaying systems with multi-destinations and an eavesdropper (Eve) in Nakagami-$m$ fading channels. To protect the confidential message from leaking to the Eve, an intentional interference is sent from a selected destination. We propose two jammer selection schemes under two typical communication scenarios: 1) the channel state information...
In this paper, we study the secrecy performance of cooperative single carrier system with the kth-best user selection scheme in Rayleigh fading channels. Assuming perfect decoding at the relay, we choose the legitimate user with the kth-best instantaneous signal-to-noise ratio (SNR) among Q users to receive the forwarded messages, which are intercepted at a passive eavesdropper simultaneously. To...
Hardware impairments of physical transceivers that create distortions degrade the performance of communication. This paper analyzes the performance with different relay selections which include partial relay selection and opportunistic relay selection in amplify-and-forward (AF) cooperative network with hardware impairments. Partial relay selection is that the relay node is selected depending on the...
Physical transceivers have hardware impairments that create distortions which degrade the performance of communication. This paper analyses the performance with partial relay selection in amplify-and-forward (AF) cooperative network with Hardware Impairments, where the relay node is selected depending on the instantaneous channel information of source-relay hop. The vast majority of technical contributions...
This paper analyses an incremental relaying uplink model with partial relay selection. It describes the transmission between the base station (BS) and the mobile station (MS). The BS is a multi-antenna destination. The performance measured of the system are derived which include ergodic capacity and outage probability over Rayleigh fading channel. Combined with the other papers, this paper mainly...
In this paper, we propose the SNR-based hybrid incremental/selection Decode-and-Forward (H-ISDF) relaying protocol. In the new protocol, the destination and the relay jointly choose relaying protocol based on the quality of the received signal at the destination and the relay, specifically, source retransmission in the second phase is allowed. We evaluate the performance of the protocol in terms of...
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