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Modulation Index Selection Strategy for Quasi-Constant Envelope OFDM Satellite System

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Book cover Space Information Networks (SINC 2016)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 688))

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Abstract

Satellite communication is an important part of communication networks. Since the energy and the spectral of satellite system are limited, the energy efficiency and the spectral efficiency become two key performance metrics. However, these two metrics always increase in an opposite way. Quasi-constant envelope OFDM technology can provide high data rate communication links and maintain the peak-to-average power ratio (PAPR) less than 3 dB. It provides a way to get balance between these two metrics and it is suitable for satellite communication system. As the phase modulation method is used in quasi-constant envelope OFDM technology, the energy efficiency and the spectral efficiency of the system are all related to the modulation index. Since a typical satellite communication system contains various types of services, the problem is how to choose the appropriate modulation index according to the demands and conditions of different users. In this paper, a system performance model is proposed and it considers the energy efficiency and the spectral efficiency as two factors. The modulation index selection strategy is to choose the appropriate modulation index to maximize the system performance. The relationship between these two factors and the modulation index are analyzed and the system performance curves are given through simulation.

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Acknowledgement

This work is supported by the National Natural Science Foundation of China (No. 91438114) and the Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory (KX152600019/ITU-U15010).

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Authors and Affiliations

  1. Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing, China

    Cheng Wang, Gaofeng Cui & Weidong Wang

  2. Information and Electronics Technology Lab, School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, China

    Cheng Wang, Gaofeng Cui & Weidong Wang

  3. The Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory, Shijiazhuang, China

    Cheng Wang

  4. China Academy of Information and Communications Technology, Beijing, China

    Yizhou He

Authors
  1. Cheng Wang
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  2. Yizhou He
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  3. Gaofeng Cui
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  4. Weidong Wang
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Corresponding author

Correspondence to Cheng Wang .

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Editors and Affiliations

  1. Institute of China Electronic Equipment, Beijing, China

    Quan Yu

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Wang, C., He, Y., Cui, G., Wang, W. (2017). Modulation Index Selection Strategy for Quasi-Constant Envelope OFDM Satellite System. In: Yu, Q. (eds) Space Information Networks. SINC 2016. Communications in Computer and Information Science, vol 688. Springer, Singapore. https://doi.org/10.1007/978-981-10-4403-8_14

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  • DOI: https://doi.org/10.1007/978-981-10-4403-8_14

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-4402-1

  • Online ISBN: 978-981-10-4403-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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