YANG Liu, ZHANG Fangqi, ZHENG Guoxin, SHA Jiajun. A Study on Quasi-orthogonal M-ary Chirp Modulation[J]. Chinese Journal of Electronics, 2019, 28(5): 1053-1058. doi: 10.1049/cje.2019.06.025
Citation: YANG Liu, ZHANG Fangqi, ZHENG Guoxin, SHA Jiajun. A Study on Quasi-orthogonal M-ary Chirp Modulation[J]. Chinese Journal of Electronics, 2019, 28(5): 1053-1058. doi: 10.1049/cje.2019.06.025

A Study on Quasi-orthogonal M-ary Chirp Modulation

doi: 10.1049/cje.2019.06.025
Funds:  This work is supported by the National Natural Science Foundation of China (No.61871261, No.61801285), the National Key R&D Program of the 13th Five-year Plan, Research on Analysis of Operating Environment and Influencing Factors for High Speed Maglev Transportation System and Key Technologies for System Service Performance and Enviromental Reliability of High Speed Maglev Transportation System (No.2016YFB1200602-31)
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  • Corresponding author: ZHENG Guoxin (corresponding author) received the Master degree in telecommunications engineering from Taiyuan University of Technology,China,in 1987.He was an associate professor and professor in Taiyuan University of Technology during 1999-2000.Since then,he is a professor in School of Communication and Information Engineering,Shanghai University,and from 2005 to present he was pointed as the deputy dean of that school.He worked as a research assistant at Microwave Laboratory,Chinese University of Hong Kong in 1995 and at EEE Division,Nanyang Technological University in 2005.His research interests are in the area of radio communication in defined space,focused on radio propagation,UWB and UNB communications and radio communications in city Metro systems.(Email:gxzheng@staff.shu.edu.cn)
  • Received Date: 2017-03-02
  • Rev Recd Date: 2017-09-19
  • Publish Date: 2019-09-10
  • This paper proposes and studies a novel M-ary chirp modulation scheme adopting quasi-orthogonal waveforms. The Symbol error probability (SEP) of M-ary modulation over Additive white Gaussian noise (AWGN) channel is derived based on coherent detection, which is a function of modulation factor and waveform period. Moreover, the SEP is investigated over a channel limited by a nominal bandwidth. Both theoretical analysis and simulations prove that the SEP performance of the proposed 8-ary chirp modulation outperforms that of conventional 8 Phase shift keying (8PSK) with the same bandwidth efficiency.
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