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Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
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Hybrid Active-and-Passive Relaying Model for 6G-IoT Greencom Networks with SWIPT.

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  • 1Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, L-1855 Luxembourg, Luxembourg.

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Summary
This summary is machine-generated.

This study introduces a hybrid relaying scheme for beyond 5G/6G networks, enhancing energy efficiency and coverage for Internet-of-Things (IoT) devices through simultaneous wireless information and power transfer (SWIPT). The novel approach optimizes throughput and energy harvesting, outperforming existing methods.

Keywords:
5G and beyond/6G wireless networksGreencomIoTSWIPTpassive repeaterrelaying systems

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Area of Science:

  • Wireless communication networks
  • Energy-efficient network design
  • Internet-of-Things (IoT)

Background:

  • Massive deployment of resource-constrained IoT and machine-type devices requires energy-efficient beyond 5G/6G networks.
  • Network coverage expansion is critical for ubiquitous connectivity.
  • Simultaneous Wireless Information and Power Transfer (SWIPT) is a key technology for sustainable IoT networks.

Purpose of the Study:

  • To propose a novel two-hop hybrid active-and-passive relaying scheme for SWIPT.
  • To optimize system throughput, harvested energy, and transmit power.
  • To enhance energy efficiency and network coverage for future wireless networks.

Main Methods:

  • Formulation of an optimization problem for joint throughput, energy, and power optimization.
  • Application of Lagrange dual technique and Dinkelbach method for convex programming.
  • Dynamic modeling of the dual-hop time-period (TP) metric.

Main Results:

  • The proposed hybrid scheme demonstrates superior performance compared to passive repeater-only and active relay-only schemes.
  • Both optimization approaches yield appreciable solutions within polynomial computational time.
  • Numerical results validate the effectiveness of the hybrid scheme over fixed-TP benchmarks.

Conclusions:

  • The hybrid active-and-passive relaying scheme offers a promising solution for energy-efficient SWIPT in future wireless networks.
  • The dynamic TP metric and optimization techniques provide efficient means to achieve performance gains.
  • This approach supports the massive connectivity demands of IoT and machine-type devices.