BOCC: A new modulation based on chirp subcarriers for future BeiDou LEO navigation‐augmented signal | Zendy

Zhao Xin | Zendy; Huang Xinming M. | Zendy; Sun Guangfu F. | Zendy

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BOCC: A new modulation based on chirp subcarriers for future BeiDou LEO navigation‐augmented signal

Author(s) -

Zhao Xin,

Huang Xinming M.,

Sun Guangfu F.

Publication year - 2021

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/ell2.12009

Subject(s) - chirp , modulation (music) , signal (programming language) , computer science , electronic engineering , telecommunications , engineering , physics , acoustics , optics , laser , programming language

For improving the anti‐interference performance and compatibility of a navigation‐augmented signal in future BeiDou Global Navigation Satellite Systems, a new modulation based on chirp subcarriers is proposed, named binary offset chirp carrier modulation, which is formed by multiplying a periodic binary chirp subcarrier with a spreading code signal. And it can make use of the time‐varying frequency for shaping the spectrum and have superior performance in anti‐interference, similar advantage in tracking accuracy, anti‐multipath capability and compatibility compared with binary offset carrier modulations. The binary offset chirp carrier modulations proposed in this paper provide a potential signal design for the future low earth orbit (LEO) navigation‐augmented Global Navigation Satellite Systems.

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