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A low complexity spectrum shaping scheme for substrate integrated waveguides based on spread reshaping code
Author(s) -
Zhao Yu,
Grünheid Rainer,
Bauch Gerhard
Publication year - 2020
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.32002
Subject(s) - passband , electronic engineering , baseband , transmission (telecommunications) , modulation (music) , equalization (audio) , channel (broadcasting) , computer science , filter (signal processing) , band pass filter , engineering , telecommunications , bandwidth (computing) , electrical engineering , physics , acoustics
In the microwave and millimeter‐wave transmission regions, substrate‐integrated waveguide (SIW) is a very promising candidate for the development of circuits and components. The channel of the SIW is a bandpass or high pass filter. This characteristic impedes the conventional baseband transmission using nonreturn‐to‐zero pulse shaping scheme. As an alternative to using mixers to facilitate a passband transmission, this paper proposes a spectrum shaping scheme of low complexity for the channel of SIW, namely spread reshaping code. It aims at matching the spectrum of the transmit signal to the channel frequency response. It facilitates the transmission through the SIW channel while it avoids using carrier modulation and equalization. Simulations reveal a good performance of this scheme, such that, as a result, eye opening is achieved without any equalization or modulation for the respective transmission channels.

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