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V. Tapio, M. Sonkki and M. Juntti, "Performance of a Full-Duplex System in Non-Linear and Time-Varying Self-Interference Channel," 2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Bologna, Italy, 2018, pp. 1-5. doi: 10.1109/PIMRC.2018.8580927

Performance of a full-duplex system in non-linear and time-varying self-interference channel

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Author: Tapio, Visa1; Sonkki, Marko1; Juntti, Markku1
Organizations: 1Centre for Wireless Communications, University of Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 0.3 MB)
Persistent link: http://urn.fi/urn:nbn:fi-fe201901162253
Language: English
Published: Institute of Electrical and Electronics Engineers, 2018
Publish Date: 2019-01-16
Description:

Abstract

The main challenge in full-duplex transceiver design is the self-interference (SI). Analog SI isolation is performed at radio frequency (RF) signal by using an antenna design based on the characteristic modes theory and using active cancelation processing. The RF canceler is tuned using an automatic gain control (AGC) enhanced variable-step steepest descent algorithm while transmitting a data signal. The inclusion of a non-linear power amplifier does not affect the tuning performance, when realistic adjacent channel power ratio cases are considered. However, the changes in the SI channel can have a major impact on the full-duplex link due to need to re-tune the canceler repeatedly.

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Series: IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops
ISSN: 2166-9570
ISSN-E: 2166-9589
ISSN-L: 2166-9570
ISBN: 978-1-5386-6009-6
ISBN Print: 978-1-5386-6010-2
Pages: 1 - 5
DOI: 10.1109/PIMRC.2018.8580927
OADOI: https://oadoi.org/10.1109/PIMRC.2018.8580927
Host publication: 2018 IEEE 29th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Bologna, Italy, 9-12 Sept. 2018
Conference: Annual International Symposium on Personal, Indoor and Mobile Radio Communications
Type of Publication: A4 Article in conference proceedings
Field of Science: 213 Electronic, automation and communications engineering, electronics
Subjects:
Antennas
Delays
Gain control
Interference cancellation
Radio frequency
Transceivers
Tuning
Article
Funding: The research has been partially funded by Business Finland (formerly Tekes - the Finnish Funding Agency for Innovation), Nokia Oyj, Esju Oy and CoreHW This research is part of the Academy of Finland 6Genesis Flagship (grant 318927).
Academy of Finland Grant Number: 318927
Detailed Information: 318927 (Academy of Finland Funding decision)
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