A Real-Time Wideband Subband LMS Algorithm for Full-Duplex Communications

In-band full-duplex (IBFD) communications has the potential to nearly double the spectrum efficiency of existing 5G communications. Digital signal processing to mitigate self-interference is one way to realize this full-duplex capability. However, the aggregated wideband nature of 5G coupled with th...

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Published inIEEE access Vol. 10; pp. 32566 - 32573
Main Authors Lorenz, Kevin S., Goodman, Joel, Mcbeth, Michelle, Mckeon, Matthew B., Parrett, David J.
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Adaptive filters
Algorithms
Broadband
Clocks
Computer architecture
Digital signal processing
Field programmable gate arrays
Full-duplex system
Hardware
least mean square methods
Microprocessors
radio communication
radio transceivers
Real time
Real-time systems
Signal processing algorithms
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ISSN2169-3536
2169-3536
DOI10.1109/ACCESS.2022.3161548

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Abstract In-band full-duplex (IBFD) communications has the potential to nearly double the spectrum efficiency of existing 5G communications. Digital signal processing to mitigate self-interference is one way to realize this full-duplex capability. However, the aggregated wideband nature of 5G coupled with the potential for large delay spreads and short coherence times makes the realistic implementation of such an IBFD processor challenging. In this paper, we address the architectural considerations and describe the practical implementation of a real-time IBFD digital processor and its performance when operating on wideband data collected in a highly dynamic environment.
AbstractList In-band full-duplex (IBFD) communications has the potential to nearly double the spectrum efficiency of existing 5G communications. Digital signal processing to mitigate self-interference is one way to realize this full-duplex capability. However, the aggregated wideband nature of 5G coupled with the potential for large delay spreads and short coherence times makes the realistic implementation of such an IBFD processor challenging. In this paper, we address the architectural considerations and describe the practical implementation of a real-time IBFD digital processor and its performance when operating on wideband data collected in a highly dynamic environment.
Author Goodman, Joel
Parrett, David J.
Lorenz, Kevin S.
Mcbeth, Michelle
Mckeon, Matthew B.
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Snippet In-band full-duplex (IBFD) communications has the potential to nearly double the spectrum efficiency of existing 5G communications. Digital signal processing...
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SubjectTerms Adaptive filters
Algorithms
Broadband
Clocks
Computer architecture
Digital signal processing
Field programmable gate arrays
Full-duplex system
Hardware
least mean square methods
Microprocessors
radio communication
radio transceivers
Real time
Real-time systems
Signal processing algorithms
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Title A Real-Time Wideband Subband LMS Algorithm for Full-Duplex Communications
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