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20 June 2023 Research on improved adaptive spectrum access mechanism for millimetre wave
Qiang Li, Sheng Guo, Hao-yu Fang, Dong Shen
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Proceedings Volume 12715, Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023); 1271528 (2023) https://doi.org/10.1117/12.2682531
Event: Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023), 2023, Dalian, China
Abstract
Spectrum is a scarce and non-renewable resource. This paper proposes an improved adaptive spectrum access mechanism for unlicensed millimetre waves, which is based on the problem of low spectrum utilisation due to the high signalling overhead of the receiver-assisted Listen Before Talk (LBT) mechanism. By introducing an adaptive duty cycle to the receiver-assisted LBT frame structure, the system parameters can be adaptively adjusted to ensure that New Radio-based Access to Unlicensed Spectrum (NR-U) and Wireless Gigabit (WiGig) The two systems can coexist in a fair and harmonious manner. In addition, the proposed algorithm further increases the total network throughput of the NR-U system by combining spectrum resource allocation and transmission power, and improves the spectrum efficiency in both licensed and unlicensed bands. Simulation results show that the proposed mechanism is significantly better than the receiver-assisted LBT ones.
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Qiang Li, Sheng Guo, Hao-yu Fang, and Dong Shen "Research on improved adaptive spectrum access mechanism for millimetre wave", Proc. SPIE 12715, Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023), 1271528 (20 June 2023); https://doi.org/10.1117/12.2682531
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KEYWORDS
Data transmission
Transmitters
Antennas
Systems modeling
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