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Adaptive processing in overlay networks for performance improvement
Wireless Networks ( IF 2.1 ) Pub Date : 2022-08-08 , DOI: 10.1007/s11276-022-03089-4
Toi Le-Thanh , Khuong Ho-Van

This paper proposes an overlay network wherein a pair of licensed source (LS) and licensed destination (LD) is adaptively assisted by a pair of unlicensed source (US) and unlicensed destination (UD). By processing adaptively at US and UD relied on the decoding statuses of LD and US, licensed communication is always supported with a high diversity gain from which unlicensed communication also benefits from removing licensed interference as well as transmitting with the highest available power, eventually improving reliability of both unlicensed and licensed communication. This paper also proposes closed-form formulas of outage probabilities at LD and UD for prompt reliability evaluation over \(\kappa -\mu \) shadowed fading channels. Multiple results illustrate the superiority of the proposed adaptive processing scheme as compared to its counterpart. Further, the reliability of the suggested scheme can be flexibly controlled and optimized with setting specifications reasonably.



中文翻译:

覆盖网络中的自适应处理以提高性能

本文提出了一种覆盖网络,其中一对许可源(LS)和许可目的地(LD)由一对未经许可的源(US)和未经许可的目的地(UD)自适应地辅助。通过在 US 和 UD 处根据 LD 和 US 的解码状态进行自适应处理,始终以高分集增益支持许可通信,从而使非许可通信也受益于消除许可干扰以及以最高可用功率进行传输,最终提高可靠性未经许可和许可的通信。本文还提出了 LD 和 UD 的停机概率的封闭式公式,用于快速可靠性评估\(\kappa -\mu \)阴影衰落通道。多个结果说明了所提出的自适应处理方案与其对应方案相比的优越性。进一步,通过合理设置规范,可以灵活控制和优化建议方案的可靠性。

更新日期:2022-08-09
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