research-article

Full duplex radios

Authors:

Dinesh Bharadia,

Sachin KattiAuthors Info & Claims

ACM SIGCOMM Computer Communication Review, Volume 43, Issue 4

Pages 375 - 386

https://doi.org/10.1145/2534169.2486033

Published: 27 August 2013 Publication History

Abstract

This paper presents the design and implementation of the first in-band full duplex WiFi radios that can simultaneously transmit and receive on the same channel using standard WiFi 802.11ac PHYs and achieves close to the theoretical doubling of throughput in all practical deployment scenarios. Our design uses a single antenna for simultaneous TX/RX (i.e., the same resources as a standard half duplex system). We also propose novel analog and digital cancellation techniques that cancel the self interference to the receiver noise floor, and therefore ensure that there is no degradation to the received signal. We prototype our design by building our own analog circuit boards and integrating them with a fully WiFi-PHY compatible software radio implementation. We show experimentally that our design works robustly in noisy indoor environments, and provides close to the expected theoretical doubling of throughput in practice.

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Cited By

Wu DWang JZhang YDu DWan ZQiao LQin T(2024)Novel Cancellation Techniques and Throughput Analysis for 6G Full-Duplex Wireless SystemSpace: Science & Technology10.34133/space.01144Online publication date: 8-May-2024
https://doi.org/10.34133/space.0114
Shao YGulliver T(2024)Transceiver Optimization for Multiuser Multiple-Input Multiple-Output Full-Duplex Amplify-and-Forward Relay Downlink CommunicationsTelecom10.3390/telecom50100115:1(216-227)Online publication date: 6-Mar-2024
https://doi.org/10.3390/telecom5010011
Fang SChen GXiao PWong KTafazolli R(2024)Intelligent Omni Surface-Assisted Self-Interference Cancellation for Full-Duplex MISO SystemIEEE Transactions on Wireless Communications10.1109/TWC.2023.329707123:3(2268-2281)Online publication date: 1-Mar-2024
https://dl.acm.org/doi/10.1109/TWC.2023.3297071
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Index Terms

Full duplex radios
1. Networks
  1. Network types
    1. Mobile networks
    2. Wireless access networks

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This paper presents demonstration of a real-time full duplex point-to-point link, where transmission and reception occurs in the same spectrum band simultaneously between a pair of full-duplex radios. This demo first builds a full duplex radio by ...
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Published In

cover image ACM SIGCOMM Computer Communication Review

ACM SIGCOMM Computer Communication Review Volume 43, Issue 4

October 2013

595 pages

ISSN:0146-4833

DOI:10.1145/2534169

Issue’s Table of Contents

SIGCOMM '13: Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM
August 2013
580 pages
ISBN:9781450320566
DOI:10.1145/2486001
General Chairs:
Dah Ming Chiu
Chinese University of Hong Kong, China
,
Jia Wang
AT&T Labs - Research, USA
,
Program Chairs:
Paul Barford
University of Wisconsin, USA
,
Srinivasan Seshan
Carnegie Mellon University, USA

Copyright © 2013 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 27 August 2013

Published in SIGCOMM-CCR Volume 43, Issue 4

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Cited By

Wu DWang JZhang YDu DWan ZQiao LQin T(2024)Novel Cancellation Techniques and Throughput Analysis for 6G Full-Duplex Wireless SystemSpace: Science & Technology10.34133/space.01144Online publication date: 8-May-2024
https://doi.org/10.34133/space.0114
Shao YGulliver T(2024)Transceiver Optimization for Multiuser Multiple-Input Multiple-Output Full-Duplex Amplify-and-Forward Relay Downlink CommunicationsTelecom10.3390/telecom50100115:1(216-227)Online publication date: 6-Mar-2024
https://doi.org/10.3390/telecom5010011
Fang SChen GXiao PWong KTafazolli R(2024)Intelligent Omni Surface-Assisted Self-Interference Cancellation for Full-Duplex MISO SystemIEEE Transactions on Wireless Communications10.1109/TWC.2023.329707123:3(2268-2281)Online publication date: 1-Mar-2024
https://dl.acm.org/doi/10.1109/TWC.2023.3297071
Yang GLee DMin B(2024)2 × 2 MIMO In-Band Full Duplex Radio Front-End With Two-Stage Passive Suppression and Four Three-Tap RF CancellersIEEE Transactions on Microwave Theory and Techniques10.1109/TMTT.2023.332788072:1(851-859)Online publication date: Jan-2024
https://doi.org/10.1109/TMTT.2023.3327880
Dehghanzadeh PMadanayake AZhao HVenkatakrishnan SMandal S(2024)A Multiport Self-Interference Canceller for Wideband SIMO/MIMO-STAR Full-Duplex ArraysIEEE Transactions on Microwave Theory and Techniques10.1109/TMTT.2023.3315797(1-15)Online publication date: 2024
https://doi.org/10.1109/TMTT.2023.3315797
Li DYang CLiu YZhang LChen Q(2024)Integration Design of Passive Filtering Nonmagnetic Circulator Based on Spatiotemporal Modulation of Microstrip Filtering Delay NetworksIEEE Transactions on Microwave Theory and Techniques10.1109/TMTT.2023.331191872:2(1216-1224)Online publication date: Feb-2024
https://doi.org/10.1109/TMTT.2023.3311918
Agrawal KJee APrakriya S(2024)Performance of a Multiuser Cooperative IoT NOMA Network With Battery-Assisted Energy HarvestingIEEE Transactions on Industrial Informatics10.1109/TII.2023.329018220:2(2307-2319)Online publication date: Feb-2024
https://doi.org/10.1109/TII.2023.3290182
Zhao LStephany RHan YAhmmed PHuang TBozkurt AJia Y(2024)A Wireless Multimodal Physiological Monitoring ASIC for Animal Health Monitoring Injectable DevicesIEEE Transactions on Biomedical Circuits and Systems10.1109/TBCAS.2024.337257118:5(1037-1049)Online publication date: Oct-2024
https://doi.org/10.1109/TBCAS.2024.3372571
Teklu MChoi DMeng W(2024)Resource Efficient Full-Duplex Mode of Transmissions Under Imperfect CSIIEEE Transactions on Broadcasting10.1109/TBC.2023.332392970:1(87-98)Online publication date: Mar-2024
https://doi.org/10.1109/TBC.2023.3323929
Mizutani KNishikori KTeramae KKuriki HMatsumura THarada H(2024)Dynamic Full-Duplex Cellular System for Wide Area IoT Network BackboneIEEE Open Journal of Vehicular Technology10.1109/OJVT.2024.34502795(1215-1229)Online publication date: 2024
https://doi.org/10.1109/OJVT.2024.3450279
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