Power Switching Protocol for Two-way Relaying Network under Hardware Impairments

In this paper, the authors analyze the impact of hardware impairments at relay node and source node (i.e. imperfect nodes) on network performance by evaluating outage probability based on the effective Signal to Noise and Distortion Ratio (SNDR). Especially, they propose energy harvesting protocol at the relay and source nodes, namely, Power Switching Imperfect Relay (PSIR) and Power Switching Imperfect Source (PSIS). Aiming to determine the performance of energy constrained network, they first derive closed-form expressions of the outage probability and then the throughput can be maximized in delay-limited transmission mode.

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