Interference-Limits Aware Power and Receiver Optimization for 5G NR-U and Wi-Fi in the 6 GHz Shared-Spectrum
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IEEE
Abstract
Adjacent Channel Interference (ACI) presents a significant concern for densely deployed Wi-Fi networks in the 6GHz spectrum. Coexisting Wi-Fi and 5G may be exposed to ACI due to the limitations in the devices’ receiver filtering capabilities or nearby user devices’ high transmit power. Since users of 5G and Wi-Fi networks operate in close proximity in frequency, space, and time, harmful ACI between 5 G and Wi−Fi is unavoidable. This study investigates interference-limits aware approaches for enhancing throughput in distributed 5G NR-U-enabled femtocells and interference mitigation in Wi-Fi6E/7 network. Users act rationally and non-cooperatively to optimize their own utility. We have developed a non-cooperative Stackelberg game model to maximize throughput for 5G and mitigate ACI in Wi−Fi user devices. Our analysis explores the conditions necessary for the existence of a Stackelberg equilibrium within this context. The effectiveness of the proposed model is further demonstrated through simulation results.Description
Keywords
4613 Theory Of Computation, 40 Engineering, 46 Information and Computing Sciences, 4006 Communications Engineering, 4606 Distributed Computing and Systems Software, 6 GHz shared-spectrum, receiver performance, Optimum power, adjacent channel interference, 5G NR-U, Wi-Fi6E/7, Stackelberg Game, interference-limits
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