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Secure Communication for Spatially Correlated Massive MIMO With Low-Resolution DACs

Dan Yang,Jindan Xu,Wei Xu,Ning Wang,Bin Sheng,A. Lee Swindlehurst

IEEE Wireless Communications Letters（2021）

Cited 4|Views6
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Abstract
In this letter, the performance of a secure massive multiple-input multiple-output (MIMO) system adopting low-resolution digital-to-analog converters (DACs) is analyzed over spatially correlated wireless channels. A tight lower bound for the achievable secrecy rate is derived with artificial noise (AN) transmitted in the null space of the user channels. Using the analytical results, the impact of ...
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Key words
Correlation,Massive MIMO,Resource management,Quantization (signal),Downlink,Covariance matrices,Antenna arrays
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