Title :
Joint compensation model for memory power amplifier and frequency-dependent nonlinear IQ impairments
Author :
Zhan, Peng ; Qin, Kaiyu ; Cai, Shanyong
Author_Institution :
Inst. of Astronaut. & Aeronaut., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
Proposed is a new joint compensation model for memory power amplifier and frequency-dependent nonlinear IQ impairments. In comparison with the previous models, the proposed model can improve the linearisation performance of digital predistortion when frequency-dependent nonlinear IQ impairments are present.
Keywords :
UHF power amplifiers; digital predistortion; frequency-dependent nonlinear IQ impairments; joint compensation model; linearisation performance; memory power amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2011.2996
