Feedforward Power Amplifier Control Method Using Weight Divided Adaptive Algorithm(Special Issue on Microwave and Millimeter Wave Technology)
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概要
- 論文の詳細を見る
Weight divided adaptive control method for a microwave FeedForward Power Amplifier (FFPA) is presented. In this adaptive controller, an output signal of a power amplifier is used as reference signal. Additionally, reference signal is divided by the weight of adaptive filter, so that characteristics of the power amplifier, such as temperature dependence, do not have influence on the convergence performances. The proposed adaptive algorithm and the convergence condition are derived analytically and we clarify that the proposed weight divided adaptive algorithm is more stable than the conventional Normalized Least Mean Square (NLMS) algorithm. Then, the convergence condition considering phase calibration error is discussed. The effectiveness of the proposed algorithm are also verified by the nonlinear simulations of the FFPA having AM-AM and AM-PM nonlinearity of GaAsFET.
- 社団法人電子情報通信学会の論文
- 2003-08-01
著者
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HORIGUCHI Kenichi
Information Technology R&D Center, Mitsubishi Electric Corporation
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Ikeda Y
Mitsubishi Electric Corporation Information Technology R&d Center
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Ikeda Y
Mitsubishi Electric Corp. Kamakura‐shi Jpn
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Okamura Atsushi
Information Technology R&d Center Mitsubishi Electric Corporation
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Okamura Atsushi
Information Technology R&d Center Mitsubishi Electric Co.
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Takagi T
Optical Interconnection Sumiden Laboratory Rwcp
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TAKAGI Tadashi
Information Technology R&D Center, Mitsubishi Electric Corporation
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IKEDA Yukio
Information Technology R&D Center, Mitsubishi Electric Corporation
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ISHIDA Osami
Information Technology R&D Center, Mitsubishi Electric Corporation
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Takagi T
Research Institute Of Electrical Communication Tohoku University
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Takagi T
It-21 Center Research Institute Of Electrical Communications Tohoku University
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NAKAYAMA Masatoshi
Information Technology R & D Center, Mitsubishi Electric Corporation
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Takagi Tadashi
Information Technology R&d Center Mitsubishi Electric Corporation
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Ishida O
Information And Communications Univ. Daejon Kor
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Ishida Osami
Mitsubishi Electric Corporation Information Technology R&d Center
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Ishida Osami
Information And Communications University
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Nakayama M
Information Technology R & D Center Mitsubishi Electric Corporation
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Nakayama M
Laboratory Of Nutrition Chemistry Division Of Bioresource And Bioenvironmental Sciences Graduate Sch
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Horiguchi Kenichi
Information Technology R & D Center Mitsubishi Electric Corporation
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Okamura Atsushi
Information Technology R&d Center Mitsubishi Electric Corp.
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Okamura Atsushi
Information Technology R & D Center Mitsubishi Electric Corporation
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