On the Impact of Phase Shifting Designs on IRS-NOMA
January 29, 2020 Β· Declared Dead Β· π IEEE Wireless Communications Letters
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Authors
Zhiguo Ding, Robert Schober, H. Vincent Poor
arXiv ID
2001.10909
Category
cs.IT: Information Theory
Citations
223
Venue
IEEE Wireless Communications Letters
Last Checked
4 months ago
Abstract
In this letter, the impact of two phase shifting designs, namely random phase shifting and coherent phase shifting, on the performance of intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) is studied. Analytical results are developed to show that the two designs achieve different tradeoffs between reliability and complexity. Simulation results are provided to compare IRS-NOMA to conventional relaying and IRS assisted orthogonal multiple access, and also to verify the accuracy of the obtained analytical results.
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