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Geometry-Based Modeling of Self-Interference Channels for Outdoor Scenarios

Research output: Contribution to journalArticle

Original languageEnglish
Article number8631143
Pages (from-to)3297-3307
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Volume67
Issue number5
Early online date31 Jan 2019
DOIs
DateAccepted/In press - 9 Dec 2018
DateE-pub ahead of print - 31 Jan 2019
DatePublished (current) - 7 May 2019

Abstract

In-band full-duplex (IBFD) transmission has the potential to nearly double the throughput by improving the spectral efficiency. To achieve this, the self-interference (SI) at the receiver due to one’s own transmission must be suppressed, such that it does not obscure the desired signal. Compact on-frequency repeaters are suitable candidates for initial implementation of IBFD. However, the design, evaluation and optimisation of such systems requires realistic SI channel models. In this contribution, we characterize measured multiple-input multiple-output (MIMO) SI channels as a two-dimensional site-specific geometrybased stochastic channel model (GSCM). The model includes smooth walls causing specular reflections, diffuse scatterers along the smooth walls, and mobile scatterers modelling pedestrians and vehicles. Importantly, the model provides delay, angular and polarimetric characteristics of the MIMO SI channels, and is validated by comparing the measured and simulated channels in delay, Doppler and spatial domains.

    Research areas

  • antenna, decoupling, isolation, MIMO, full-duplex, antenna measurements, MIMO communication, feeds, radio frequency, delays, doppler effect

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    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via IEEE at https://ieeexplore.ieee.org/document/8631143. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 765 KB, PDF document

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