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MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (MU-MIMO) PEAK-TO-AVERAGE-POWER RATIO (PAPR) REDUCTION
MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (MU-MIMO) PEAK-TO-AVERAGE-POWER RATIO (PAPR) REDUCTION
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机译:多用户多输入多输出(MU-MIMO)峰值平均功率比(PAPR)减少
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摘要
Methods related to wireless communication systems and reducing peak-to-average-power ratio (PAPR) in MU-MIMO transmissions are provided. A base station (BS) generates a plurality of communication signals including data for a plurality of user equipment (UE) devices in a plurality of serving beam subspaces. The BS may also generate a peak-to-average-power ratio (PAPR) reduction signal for one or more of the plurality of communication signals. A first portion of the PAPR reduction signal is in a first serving beam subspace of the plurality of serving beam subspaces based on a first error vector magnitude (EVM) associated with a first UE of the plurality of UEs. A second portion of the PAPR reduction signal is in a non-serving beam subspace. The BS may also transmit, to the plurality of UEs, the plurality of communication signals and the PAPR reduction signal. Other features are also claimed and described.
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