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A Simple Design of IRS-NOMA Transmission
July 16, 2019 Β· Declared Dead Β· π IEEE Communications Letters
"No code URL or promise found in abstract"
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Authors
Z. Ding, H. V. Poor
arXiv ID
1907.09918
Category
cs.IT: Information Theory
Cross-listed
eess.SP
Citations
424
Venue
IEEE Communications Letters
Last Checked
3 months ago
Abstract
This letter proposes a simple design of intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) transmission, which can ensure that more users are served on each orthogonal spatial direction than spatial division multiple access (SDMA). In particular, by employing IRS, the directions of users' channel vectors can be effectively aligned, which facilitates the implementation of NOMA. Both analytical and simulation results are provided to demonstrate the performance of the proposed IRS-NOMA scheme and also study the impact of hardware impairments on IRS-NOMA.
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