Security-Reliability Trade-Off Analysis for Rateless Codes-Based Relaying Protocols Using NOMA, Cooperative Jamming and Partial Relay Selection

In this paper, we propose secure relaying transmission protocols using rateless codes, where a source sends encoded packets to two intended destinations via help of intermediate relays. Employing non-orthogonal multiple access, can be sent the at same time. addition, partial relay selection methods are studied enhance reliability data first and second hops. For protecting source-relay relay-destination against an eavesdropper, cooperative jamming technique is employed. Particularly, in phase each cycle, remaining relays (except selected relay) used transmit artificial noise on cooperate with cancel interference components. phase, trusted nodes that near employed play role as jammers. fair performance comparison, design simple power allocation for transmitter jammer phases. We also adaptive method, fractions appropriately allocated signals, relying instantaneous channel gains between destinations. This paper derives exact closed-form formulas outage probability intercept over Rayleigh fading channel. All analysis then validated by Monte-Carlo simulations. The obtained results clearly show trade-off security enhanced optimally designing system parameters.