The Joint Effects of Group Delay and AM/PM Distortion of Satellite Transponder on DVB-S2 Based Services

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Doost Roghayeh; Ghatan Kashani Zahra

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Journal Paper

Paper Information

Journal: ELECTRONIC INDUSTRIES Year:2020 | Volume:11 | Issue:2 Page(s): 139-146

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Title

The Joint Effects of Group Delay and AM/PM Distortion of Satellite Transponder on DVB-S2 Based Services

Author(s)

Doost Roghayeh | Ghatan Kashani Zahra | Issue Writer Certificate

Keywords

AM/PM

Phase shift

Group delay

DVB-S2

Satellite

Abstract

In satellite transponder design, both the group delay of demultiplexer and multiplexer filters and the AM/PM distortion due to the high power amplifier (HPA) nonlinearity are critical specifications, which should be in an appropriate range to ensure the required BER for having acceptable satellite service quality. Practical problems that inevitably arise in the manufacturing process of a transponder lead to a slight deviation in the fulfillment of the maximum allowable group delay and AM/PM distortion. In this paper, the acceptable range of the group delay and AM/PM distortion is investigated simultaneously so that the required BER of DVB-S2 service is guaranteed. Since there are no proper analytical relations to achieve this goal, these nonlinear effects are simulated in MATLAB SIMULINK for both the QPSK and 8PSK modulation schemes. It is inferred from the achieved results that the acceptable phase shift and the group delay of the 8PSK modulation is less than those of the QPSK modulation.

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APA: Copy

Doost, Roghayeh, & Ghatan Kashani, Zahra. (2020). The Joint Effects of Group Delay and AM/PM Distortion of Satellite Transponder on DVB-S2 Based Services. ELECTRONIC INDUSTRIES, 11(2 ), 139-146. SID. https://sid.ir/paper/981318/en

Vancouver: Copy

Doost Roghayeh, Ghatan Kashani Zahra. The Joint Effects of Group Delay and AM/PM Distortion of Satellite Transponder on DVB-S2 Based Services. ELECTRONIC INDUSTRIES[Internet]. 2020;11(2 ):139-146. Available from: https://sid.ir/paper/981318/en

IEEE: Copy

Roghayeh Doost, and Zahra Ghatan Kashani, “The Joint Effects of Group Delay and AM/PM Distortion of Satellite Transponder on DVB-S2 Based Services,” ELECTRONIC INDUSTRIES, vol. 11, no. 2 , pp. 139–146, 2020, [Online]. Available: https://sid.ir/paper/981318/en

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