REDUCING PEAK-TO-AVERAGE POWER RATIO IN MIMO COMMUNICATION SYSTEM
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Jun 6, 2024
app pub date -
Apr 7, 2021
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Apr 7, 2021
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A method for reducing peak-to-average power ratio, PAPR, in a Multiple Input Multiple Output, MIMO, communication system is disclosed. The method is performed in a precoder unit and includes: confining, by a differentiable cost function, power of a MIMO signal to be between a lower threshold, Plow, and an upper threshold, Pup, and applying a gradient method on the differentiable cost function until reaching a set power target for the MIMO signal, while keeping an Error Vector Magnitude, EVM, below a set EVM level.
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