A Survey of Cooperative Jamming-Based Secure Transmission for Energy-Limited Systems

Table 2

An overview of energy-constrained wireless-powered cooperative jamming.

References	Scenarios/assumptions	Metrics	Contributions
[29]	PS-based full duplex jamming/imperfect CSI	ST	Prove that a PS-based scheme outperforms a TS-based scheme for a delay-tolerant transmission mode and performs better for delay-constrained transmission only in specific scenario.
[55]	SWIPT-based AF half-duplex relay/perfect CSI	SC	Maximize SC subject to transmit power constraints by optimizing the transmit beamforming matrix of an AF relay and the covariance matrix of AN.
[56]	EH half-duplex relay/perfect CSI	SOP	Obtain a closed-form near-optimal TS ratio and the SOP exact expression for an EH-based jammer-assisted wireless sensor network.
[57]	SWIPT-based AF half-duplex relay/imperfect CSI	WCSR	Maximize WCSR by jointly optimizing the CB and the CJ covariance matrix along with the PS ratios for a relay with static power splitting and dynamic power splitting scenarios.
[58]	EH half-duplex jammer/imperfect CSI	ST	Achieve the best throughput subject to secrecy outage probability constraints by optimizing rate parameters.
[59]	SWIPT-based AF half-duplex relay/imperfect CSI	WCSR	Jointly optimize the AN covariance matrices at harvest-and-jam helpers and the AF relay beamforming matrix to maximize the WCSR.
[60]	SWIPT-based full-duplex relay/perfect CSI	SC	Study optimal power allocation in a secure OFDM-based SWIPT system with the help of a wireless-powered friendly jammer.
[61]	SWIPT-based full-duplex relay/imperfect CSI	PC	Prove that secure performance of the robust beamforming design is better than nonrobust ones for a practical multiradio wireless mesh network.
[62].	SWIPT-based full-duplex self-jamming/perfect CSI	COP, SOP, ST	Analyze COP, SOP, reliable-secure probability, and ST when multiple noncollusion eavesdroppers intercept confidential signals.
[63]	Half duplex destination-based-jamming SWIPT/imperfect CSI	SC	Design an AN-aided multicell coordinated beamforming scheme for SWIPT-enabled centralized and distributed manners by minimizing the total required power.
[64]	SWIPT-based AF half-duplex relay/imperfect CSI	SOP	Investigate the SOP for a TS-based SWIPT and destination-aided-jamming system with an untrustworthy AF relay.
[65]	EH full-duplex relay/imperfect CSI	SC and SOP	Propose a full-duplex jammer protocol whose key feature is that both relay and jammer are powered by source transmissions.