Titlebook: Circular Array-Based Radio Frequency OAM Communications; Rui Chen,Wen-Xuan Long,Nan Cheng Book 2024 The Editor(s) (if applicable) and The

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Circular Array-Based Radio Frequency Point-to-Point OAM Communications, that the channel matrices are completely characterized by three parameters, namely, the azimuth angle, the elevation angle, and the distance, independent of the numbers of subcarriers and antennas, which significantly reduces the burden by avoiding estimating large channel matrices, as traditional

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Hybrid Mechanical and Electronic Beam Steering for Point-to-Point OAM Communications,ble UCA structure is proposed for the OAM receiver to maximize the channel capacity, in which the simulated annealing algorithm is adopted to obtain the optimal rotation angle at first, then the servo system performs mechanical rotation, and last, the electronic beam steering is adjusted accordingly

wangle

Hybrid Circular Array and Luneberg Lens for Point-to-Point Long-Distance OAM Wireless Communicationure is applied in the OAM wireless communication system, the divergence angles of generated OAM beams are significantly reduced, and the received signal-to-noise ratio (SNR) is expected to be significantly improved. Besides, the multiplexed OAM modes in the proposed HCCL-based OAM communication syst

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anagen

多山

Book 2024system, the UCA-based RF point-to-multipoint OAM wireless backhaul network, the HCCL structure for long-distance OAM transmissions, and the UCA-based joint OAM RadCom scheme. For the UCA-based RF point-to-point OAM communication system, a 2-D ESPRIT-based distance and AoA estimation method is first

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critique

Circular Array-Based Terahertz Communications for Point-to-Multipoint OAM Wireless Backhaul,tection (AD). A salient feature of the proposed MU-OAM communication scheme is lower computational complexity than the traditional MU-MIMO scheme without sacrificing bit error rate (BER) and achievable sum rate performances, which is validated by mathematical analysis and numerical simulations.

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