A low cost adaptive digital predistorter for linearization of power amplifiers in MIMO transmitters

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概要

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• An adaptive digital predistortion (PD) technique is proposed for linearization of power amplifiers (PAs) in multiple-input multiple-output (MIMO) transmitters. We consider a PD structure equipped with only one combined feedback path while conventional systems have multiple feedback paths. Hence, the proposed structure is much simpler than that of multiple feedback paths. Based on the structure, a new PD algorithm is derived. The simulation results show that linearization performance of the proposed method is almost the same as the conventional multiple feedback technique while the former is much simpler to implement than the latter.

著者

• Choi Sungho

  Korea Advanced Institute of Science and Technology (KAIST)

• Jeong Eui-Rim

  Hanbat National University

関連論文

• A low cost adaptive digital predistorter for linearization of power amplifiers in MIMO transmitters

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