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- W4214614072 abstract "In this paper, we consider a non-orthogonal multiple access (NOMA) system assisted by intelligent reflecting surface (IRS). As an emerging technology that has received widespread attention, IRS can reconfigure the wireless channel environment by adjusting the relationship between the incident angle and the exit angle, thereby improving system performance. Our goal is to use the flexible assistance of IRS to achieve the maximum energy efficiency of the NOMA system. Our design objects are the beam vector design of the base station and the phase matrix design of the IRS. The original problem is highly non-convex. We consider using the block coordinate descent method to design the phase matrix and beam vector separately. Simulation results show that our proposed scheme has better performance than traditional OMA and systems without IRS assistance." @default.
- W4214614072 created "2022-03-02" @default.
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- W4214614072 date "2022-06-01" @default.
- W4214614072 modified "2023-09-27" @default.
- W4214614072 title "Energy efficiency maximization for IRS-assisted NOMA networks" @default.
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- W4214614072 doi "https://doi.org/10.1016/j.phycom.2022.101647" @default.
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