IEICE Communications Express
Online ISSN : 2187-0136
The modeling of a concurrent dual-band transmitter exhibiting PM-PM/PM-AM distortions
Chen ChangweiQin KaiyuTang Bo
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JOURNALS FREE ACCESS Advance online publication

Article ID: 2018XBL0080

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Abstract

The power amplifier non-linearity and In-Phase/Quadrature (I/Q) imbalance of a transmitter is important RF communication impairment. This paper proves that the distortion of power amplifier output signal in the transmitter includes the non-negligible PM-AM and PM-PM distortion exists in transmitter impairment. Moreover, this paper presents a novel low-complexity dual-band Cartesian Memory Polynomial for modeling and compensating for a concurrent dual-band transmitter. The experimental results verify the high performance of the proposed model in suppressing the adjacent channel error power with low complexity.

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© 2018 The Institute of Electronics, Information and Communication Engineers
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