Compact Inband Full-Duplex Relays with beyond 100 dB Self-Interference Suppression: Enabling Techniques and Field Measurements

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Compact Inband Full-Duplex Relays with beyond 100 dB Self-Interference Suppression : Enabling Techniques and Field Measurements. / Korpi, Dani; Heino, Mikko; Icheln, Clemens; Haneda, Katsuyuki; Valkama, Mikko.

In: IEEE Transactions on Antennas and Propagation, Vol. 65, No. 2, 7756408, 01.02.2017, p. 960-965.

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@article{1d3cd1138c614816b23c73c84a6c1c53,
title = "Compact Inband Full-Duplex Relays with beyond 100 dB Self-Interference Suppression: Enabling Techniques and Field Measurements",
abstract = "In this communication, the self-interference (SI) channel and the novel enabling techniques for a compact inband full-duplex relay are described and characterized in different operating environments. The full-duplex operation is based on a novel antenna design that uses wavetraps to provide passive isolation of up to 70 dB between the transmit and receive antenna ports. The passive isolation is complemented with novel active RF and digital cancellation stages that further suppress the residual SI to the receiver noise floor. Measurement results of a complete prototype implementation show that the proposed design can achieve an overall SI cancellation performance of over 100 dB even with an ambitious instantaneous bandwidth of 80 MHz. Similar results are obtained both in an anechoic chamber as well as in realistic multipath indoor environments.",
keywords = "Antenna design, digital cancellation, full duplex, isolation, relay, RF measurements, self-interference (SI)",
author = "Dani Korpi and Mikko Heino and Clemens Icheln and Katsuyuki Haneda and Mikko Valkama",
year = "2017",
month = "2",
day = "1",
doi = "10.1109/TAP.2016.2632740",
language = "English",
volume = "65",
pages = "960--965",
journal = "IEEE Transactions on Antennas & Propagation",
issn = "0018-926X",
number = "2",

}

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TY - JOUR

T1 - Compact Inband Full-Duplex Relays with beyond 100 dB Self-Interference Suppression

T2 - Enabling Techniques and Field Measurements

AU - Korpi, Dani

AU - Heino, Mikko

AU - Icheln, Clemens

AU - Haneda, Katsuyuki

AU - Valkama, Mikko

PY - 2017/2/1

Y1 - 2017/2/1

N2 - In this communication, the self-interference (SI) channel and the novel enabling techniques for a compact inband full-duplex relay are described and characterized in different operating environments. The full-duplex operation is based on a novel antenna design that uses wavetraps to provide passive isolation of up to 70 dB between the transmit and receive antenna ports. The passive isolation is complemented with novel active RF and digital cancellation stages that further suppress the residual SI to the receiver noise floor. Measurement results of a complete prototype implementation show that the proposed design can achieve an overall SI cancellation performance of over 100 dB even with an ambitious instantaneous bandwidth of 80 MHz. Similar results are obtained both in an anechoic chamber as well as in realistic multipath indoor environments.

AB - In this communication, the self-interference (SI) channel and the novel enabling techniques for a compact inband full-duplex relay are described and characterized in different operating environments. The full-duplex operation is based on a novel antenna design that uses wavetraps to provide passive isolation of up to 70 dB between the transmit and receive antenna ports. The passive isolation is complemented with novel active RF and digital cancellation stages that further suppress the residual SI to the receiver noise floor. Measurement results of a complete prototype implementation show that the proposed design can achieve an overall SI cancellation performance of over 100 dB even with an ambitious instantaneous bandwidth of 80 MHz. Similar results are obtained both in an anechoic chamber as well as in realistic multipath indoor environments.

KW - Antenna design

KW - digital cancellation

KW - full duplex

KW - isolation

KW - relay

KW - RF measurements

KW - self-interference (SI)

UR - http://www.scopus.com/inward/record.url?scp=85012188506&partnerID=8YFLogxK

U2 - 10.1109/TAP.2016.2632740

DO - 10.1109/TAP.2016.2632740

M3 - Article

VL - 65

SP - 960

EP - 965

JO - IEEE Transactions on Antennas & Propagation

JF - IEEE Transactions on Antennas & Propagation

SN - 0018-926X

IS - 2

M1 - 7756408

ER -

ID: 11548107