期刊
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
卷 71, 期 5, 页码 5564-5569出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2022.3150286
关键词
Array signal processing; Multiplexing; Linear antenna arrays; Robustness; Directive antennas; Antenna measurements; 5G mobile communication; Hybrid beamforming; beam multiplexing; equal magni- tude constraint; steering vector errors
资金
- UKEngineering and Physical Sciences Research Council (EPSRC) [EP/T517215/1, EP/V009419/1]
A novel design is proposed to achieve multi-beam multiplexing for arbitrary directions based on the interleaved subarray architecture, considering two practical application constraints. One constraint is the equal magnitude constraint on the analogue coefficients to achieve beamforming with pure phase shifters after normalization of magnitudes, while the other is a robust constraint against steering vector errors. Designed examples are provided to demonstrate the effectiveness of the proposed method.
One novel design considering two practical application constraints based on the interleaved subarray architecture is proposed to achieve multi-beam multiplexing for arbitrary directions to serve corresponding users. One is an equal magnitude constraint imposed on the analogue coefficients so that beamforming can be achieved by pure phase shifters after the normalisation of magnitudes; the other one is a robust constraint against steering vector errors. Designed examples are provided to verify the effectiveness of the proposed method.
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