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- W4297575985 abstract "In this letter, the design of non-orthogonal multiple access (NOMA) beamforming is investigated in a spatial division multiple access (SDMA) legacy system. In particular, two popular beamforming strategies in the NOMA literature, one to use existing SDMA beams and the other to form new beams, are adopted and compared. The studies carried out in the letter show that the two strategies realize different tradeoffs between system performance and complexity. For example, riding on existing beams offers a significant reduction in computational complexity, at the price of a slight performance loss. Furthermore, this simple strategy can realize the optimal performance when the users' channels are structured." @default.
- W4297575985 created "2022-09-29" @default.
- W4297575985 creator A5002904166 @default.
- W4297575985 date "2022-01-11" @default.
- W4297575985 modified "2023-10-14" @default.
- W4297575985 title "NOMA Beamforming in SDMA Networks: Riding on Existing Beams or Forming New Ones?" @default.
- W4297575985 doi "https://doi.org/10.48550/arxiv.2201.04082" @default.
- W4297575985 hasPublicationYear "2022" @default.
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