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SYSTEM AND METHOD FOR SPATIAL ON SUB-BAND MASSIVE MIMO/BFN TO PROVIDE A LARGE NUMBER OF ORTHOGONAL CHANNELS
SYSTEM AND METHOD FOR SPATIAL ON SUB-BAND MASSIVE MIMO/BFN TO PROVIDE A LARGE NUMBER OF ORTHOGONAL CHANNELS
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机译:用于子带大规模MIMO / BFN的空间以提供大量正交信道的系统和方法
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摘要
Systems, methods, and computer-readable storage devices relate to a process for beamforming in a system. An available spectrum is divided into M sub-bands, with each of the M sub-bands having N beams. The system, through using M×N available beams, can maintain frequency domain and spatial domain orthogonality. A method includes receiving a direction indicating a location of a device relative to a transmitter and selecting a beam from the M×N beams. The beam can be a data beam for transmitting data to the device or a null to suppress interference. The bandwidth, spectrum and/or direction associated with the beam can be chosen and/or varied based on one of any number of parameters such as avoiding channel distortions, reducing mismatch in amplitude and/or delay, and adapting to a data type or data amount. Frequency assignments can be staggered through a cell-based region to reduce cell interference in assigning beams.
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