POWER AMPLIFIER LINEARIZATION USING SIX-PORT RECEIVER FOR DVB-S2 SATELLITE COMMUNICATIONS

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EBRAHIMI GHIRI R.; MOHAMMADI A.; ABDIPOUR A.; MIRZAVAND R.

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Journal Paper

Paper Information

Journal: AMIRKABIR INTERNATIONAL JOURNAL OF ELECTRICAL AND ELECTRONICS ENGINEERING Year:2013 | Volume:45 | Issue:1 Page(s): 51-58

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Title

POWER AMPLIFIER LINEARIZATION USING SIX-PORT RECEIVER FOR DVB-S2 SATELLITE COMMUNICATIONS

Author(s)

EBRAHIMI GHIRI R. | MOHAMMADI A. | ABDIPOUR A. | MIRZAVAND R. | Issue Writer Certificate

Keywords

KA-BAND

DIGITAL PREDISTORTION

LINEARIZATION

SIX-PORT

FIVE-PORT

Abstract

A digital look-up table adaptive predistortion technique using a SIX-PORT receiver for power amplifier LINEARIZATION is presented. The system is designed in KA-BAND for a DVB-S2 satellite link. We use a SIX-PORT receiver at the LINEARIZATION loop in place of classic heterodyne receivers. The SIX-PORT receiver is implemented by the use of passive microwave circuits and detector diodes. This approach highly reduces cost and complexity of the LINEARIZATION system. The fabrication results of a FIVE-PORT receiver operating in 23-29 GHz is presented in this paper. The simulation results confirm suitability of using this architecture in the power amplifier LINEARIZATION loop. The third order intermodulation products and the fifth order intermodulation products reduce about 43 dB and 25 dB respectively, after LINEARIZATION of the power amplifier. The resulting spectrum of the output signal shows significant reduction of the intra-system interference to the adjacent networks which is mainly due to the nonlinearity effects of the power amplifier.

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APA: Copy

EBRAHIMI GHIRI, R., MOHAMMADI, A., ABDIPOUR, A., & MIRZAVAND, R.. (2013). POWER AMPLIFIER LINEARIZATION USING SIX-PORT RECEIVER FOR DVB-S2 SATELLITE COMMUNICATIONS. AMIRKABIR INTERNATIONAL JOURNAL OF ELECTRICAL AND ELECTRONICS ENGINEERING, 45(1), 51-58. SID. https://sid.ir/paper/334314/en

Vancouver: Copy

EBRAHIMI GHIRI R., MOHAMMADI A., ABDIPOUR A., MIRZAVAND R.. POWER AMPLIFIER LINEARIZATION USING SIX-PORT RECEIVER FOR DVB-S2 SATELLITE COMMUNICATIONS. AMIRKABIR INTERNATIONAL JOURNAL OF ELECTRICAL AND ELECTRONICS ENGINEERING[Internet]. 2013;45(1):51-58. Available from: https://sid.ir/paper/334314/en

IEEE: Copy

R. EBRAHIMI GHIRI, A. MOHAMMADI, A. ABDIPOUR, and R. MIRZAVAND, “POWER AMPLIFIER LINEARIZATION USING SIX-PORT RECEIVER FOR DVB-S2 SATELLITE COMMUNICATIONS,” AMIRKABIR INTERNATIONAL JOURNAL OF ELECTRICAL AND ELECTRONICS ENGINEERING, vol. 45, no. 1, pp. 51–58, 2013, [Online]. Available: https://sid.ir/paper/334314/en

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