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Prototyping Real-Time Full Duplex Radios [article]

MinKeun Chung, Min Soo Sim, Jaeweon Kim, Dong Ku Kim, Chan-Byoung Chae
2016 arXiv   pre-print
A critical issue, however, to implementing full duplex radios, in real wireless environments, is being able to cancel self-interference.  ...  This design combines a dual-polarization antenna-based analog part with a digital self-interference canceller that operates in real-time.  ...  PROPOSED FULL DUPLEX SYSTEM In this section, we elaborate, in processing order, on our design blocks for the real-time full duplex LTE system, from transmission to reception and self-interference cancellation  ... 
arXiv:1503.03013v3 fatcat:4uiygsdrbrhm3i6rkddknacxym

Millimeter-wave full duplex radios

Vaibhav Singh, Susnata Mondal, Akshay Gadre, Milind Srivastava, Jeyanandh Paramesh, Swarun Kumar
2020 Proceedings of the 26th Annual International Conference on Mobile Computing and Networking  
While full-duplex has been extensively studied in sub-6 GHz bands, this paper exposes the unique challenges in porting this capability to mm-wave frequencies.  ...  Full-Duplex has the potential to double the available capacity in the mm-wave bands by enabling simultaneous radio transmission and reception.  ...  This research was supported in parts by NSF grant 1823235, Kavčić-Moura grant and IoT@CyLab.  ... 
doi:10.1145/3372224.3380879 dblp:conf/mobicom/SinghMGSPK20 fatcat:algx2rvo3jfxbmtievjm5zq7dq

Analog/RF Solutions Enabling Compact Full-Duplex Radios

Bjorn Debaillie, Dirk-Jan van den Broek, Cristina Lavin, Barend van Liempd, Eric A. M. Klumperink, Carmen Palacios, Jan Craninckx, Bram Nauta, Aarno Parssinen
2014 IEEE Journal on Selected Areas in Communications  
In-band full-duplex sets challenging requirements for wireless communication radios, in particular their capability to prevent receiver sensitivity degradation due to self-interference (transmit signals  ...  Index Terms-In-band full-duplex, self-interference isolation, dual polarized antenna, tunable duplexer, electrical balance, transceiver macro-modelling.  ...  Combining isolation and OFDM-based cancellation in the digital domain could theoretically form a full-duplex solution, as depicted in Figure 3 .  ... 
doi:10.1109/jsac.2014.2330171 fatcat:o64waxek6jcyhat3hugnfr6yoq

Empowering full-duplex wireless communication by exploiting directional diversity

Evan Everett, Melissa Duarte, Chris Dick, Ashutosh Sabharwal
2011 2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR)  
Passive suppression via directional antennas also allows full-duplex to achieve significant gains over half-duplex even without resorting to the use of extra hardware for performing RF cancellation as  ...  In this scenario, the base station can exploit "directional diversity" by using directional antennas to achieve additional passive suppression of the self-interference.  ...  The experiments were performed at a center frequency of 2.484 GHz (channel 14 of the 2.4 GHz ISM band) and at a transmit power of 12 dBm. 1) RF Cancellation: The base station implements the wideband  ... 
doi:10.1109/acssc.2011.6190376 dblp:conf/acssc/EverettDDS11 fatcat:ojea6o4bijgtpm47beiunucsia

Self-Interference Channel Characterization for Reconfigurable Antenna Based Systems

Sergey Shaboyan, Alireza S. Behbahani, Ahmed M. Eltawil
2019 2019 53rd Asilomar Conference on Signals, Systems, and Computers  
This paper presents experimental characterization of the self-interference (SI) channel for In-Band Full-Duplex (IBFD) communication systems that employ beam steering, Multi reconfigurable antennas (MRA  ...  First, we describe a system model of a full-duplex base station while highlighting channel impairments associated with each signal component.  ...  CONCLUSION This paper presented self-interference channel characterization for MRA based OFDM full-duplex systems.  ... 
doi:10.1109/ieeeconf44664.2019.9048850 dblp:conf/acssc/ShaboyanBE19 fatcat:ldpg2o6rkrhyphn7pcsqk5v77e

A Linearization Technique for Self-Interference Cancellation in Full-Duplex Radios [article]

Arjun Nadh, Joseph Samuel, Ankit Sharma, S. Aniruddhan, Radha Krishna Ganti
2016 arXiv   pre-print
The fundamental problem in the design of a full-duplex radio is the cancellation of the self-interference (SI) signal generated by the transmitter.Current techniques for suppressing SI rely on generating  ...  We also provide experimental evidence to verify the above channel model and propose novel low-complexity designs for self-interference cancellation.  ...  In Section II, a generic model for self-interference based on the transmitted signal in full-duplex nodes is provided.  ... 
arXiv:1605.01345v1 fatcat:fqdk724gd5f37a64jgtexljsz4

Simultaneous Transmission and Spectrum Sensing in OFDM Systems Using Full-Duplex Radios

Ville Syrjala, Mikko Valkama, Markus Allen, Koji Yamamoto
2015 2015 IEEE 82nd Vehicular Technology Conference (VTC2015-Fall)  
The paper starts by briefly introducing the ideas of cognitive full-duplex radio and the cyclostationary spectrum sensing in the presence of self-interference.  ...  This paper studies the idea and performance of cyclostationary spectrum sensing in cognitive full-duplex radios, when secondary transmission and spectrum sensing are done simultaneously at the same channel  ...  RF and digital self-interference cancellation.  ... 
doi:10.1109/vtcfall.2015.7391140 dblp:conf/vtc/SyrjalaVAY15 fatcat:xpg7v3qdmbapfjhw4vfetz6ora

Preliminary evaluation of simultaneous data and power transmission in the same frequency channel

Keita Yamazaki, Yusuke Sugiyama, Yoshihiro Kawahara, Shunsuke Saruwatari, Takashi Watanabe
2015 2015 IEEE Wireless Communications and Networking Conference (WCNC)  
The first contribution is interference cancellation of the power signal to receive data from the collided signal using a combination of digital and analog interference cancellation techniques.  ...  A disadvantage of simultaneous transmission is that it induces interference between data and power signals. To minimize the effect of interference, we propose a new frequencysharing system.  ...  Wireless full duplex communication [14] - [16] , which regards its own transmitted signal as self-interference to achieve bidirectional communication, utilizes digital and analog interference cancellation  ... 
doi:10.1109/wcnc.2015.7127646 dblp:conf/wcnc/YamazakiSKSW15 fatcat:aqumtvddcrdxxmfamiv2m2z2l4

Full-Duplex OFDM Radar With LTE and 5G NR Waveforms: Challenges, Solutions, and Measurements

Carlos Baquero Barneto, Taneli Riihonen, Matias Turunen, Lauri Anttila, Marko Fleischer, Kari Stadius, Jussi Ryynanen, Mikko Valkama
2019 IEEE transactions on microwave theory and techniques  
Properly tailored analog/RF and digital self-interference cancellation solutions for OFDM radars are also described and implemented, and shown through RF measurements to be key technical ingredients for  ...  self-interference.  ...  self-interference (SI) issue in monostatic OFDM radars into account.  ... 
doi:10.1109/tmtt.2019.2930510 fatcat:avqq7spm6jhezahkelisf6yhoq

Multicarrier Division Duplex Aided Millimeter Wave Communications

Rakshith Rajashekar, Chao Xu, Naoki Ishikawa, Lie-Liang Yang, Lajos Hanzo
2019 IEEE Access  
The existing Time Division Duplex (TDD) and Frequency Division Duplex (FDD) techniques rely on a guard time and/or guard band to avoid Self-Interference (SI) between the uplink and downlink channels, which  ...  DRAFT 2 Symbol OFDM Each full bandwidth frequency time Frequency Division Duplex (FDD) full bandwidth frequency time Guard Band UL DL full bandwidth frequency time Time−Division Duplex (TDD)  ...  Fig. 8 : 8 Schematic descriptions of beamforming aided Half-Duplex (HD) and Full-Duplex (FD) schemes, where the null-space cancalling is imposed for the Self-Interference (SI) in FD.  ... 
doi:10.1109/access.2019.2930333 fatcat:bhxam5ddvbbxpmvfmzax2wkicm

Design and Characterization of a Full-Duplex Multiantenna System for WiFi Networks

Melissa Duarte, Ashutosh Sabharwal, Vaneet Aggarwal, Rittwik Jana, K. K. Ramakrishnan, Christopher W. Rice, N. K. Shankaranarayanan
2014 IEEE Transactions on Vehicular Technology  
To enable the study, we designed a 20 MHz multi-antenna OFDM full-duplex physical layer and a full-duplex capable MAC protocol which is backward compatible with current 802.11.  ...  In this paper, we present an experimental and simulation based study to evaluate the use of full-duplex as a mode in practical IEEE 802.11 networks.  ...  analog selfinterference canceler for MIMO OFDM systems and (iii) a digital self-interference canceler implemented in baseband.  ... 
doi:10.1109/tvt.2013.2284712 fatcat:lazkpdcijjdthjtahldjhvpxsm

Self-Interference Cancellation-Based Mutual-Coupling Model for Full-Duplex Single-Channel MIMO Systems

Pawinee Meerasri, Peerapong Uthansakul, Monthippa Uthansakul
2014 International Journal of Antennas and Propagation  
So far in the pieces of literature, there have not been any suitable techniques presented to reduce the self-interference for full-duplex single-channel MIMO systems.  ...  This paper initially proposes the method to cancel the self-interference by utilizing the mutual-coupling model for self-interference cancellation.  ...  The selfinterference cancellation (SIC) uses the knowledge of transmission to cancel self-interference in the RF signal before it is digitized.  ... 
doi:10.1155/2014/405487 fatcat:qbhtvi7kofhbjcukllkz6d2ayy

Nonlinear Self-Interference Cancellation for Full-Duplex Radios: From Link- and System-Level Performance Perspectives [article]

Min Soo Sim, MinKeun Chung, Dongkyu Kim, Jaehoon Chung, Dong Ku Kim, Chan-Byoung Chae
2017 arXiv   pre-print
To realize full-duplex in practice, the main challenge is overcoming self-interference, and to do so, researchers have developed self-interference cancellation techniques.  ...  In this article, we first explore several nonlinear digital self-interference cancellation techniques.  ...  Lim for helpful discussions on WiSE simulations.  ... 
arXiv:1607.01912v2 fatcat:hwvlkfncenajvapr6tthvftnp4

One-Way Ramp to a Two-Way Highway: Integrated Magnetic-Free Nonreciprocal Antenna Interfaces for Full-Duplex Wireless

Negar Reiskarimian, Tolga Dinc, Jin Zhou, Tingjun Chen, Mahmood Baraani Dastjerdi, Jelena Diakonikolas, Gil Zussman, Harish Krishnaswamy
2019 IEEE Microwave Magazine  
S ince the invention of the radio, transmission and reception have been separated to protect the receiver (Rx) from being jammed by self-interference (SI), i.e., the interference that comes from the colocated  ...  Full-duplex (FD) wireless, an emerging wireless communications paradigm, allows simultaneous transmission and reception at the same frequency, promising a significant enhancement in spectral efficiency  ...  Acknowledgments This work was supported in part by the DARPA RF-FPGA program, the DARPA ACT program; the DARPA SPAR program; NSF grants ECCS-1547406, CNS-1650685, and CNS-1827923; and two Qualcomm Innovation  ... 
doi:10.1109/mmm.2018.2880497 fatcat:4wgsz2ncyrek7lh3qhtenrxdya

Advanced Self-interference Cancellation and Multiantenna Techniques for Full-Duplex Radios [article]

Dani Korpi, Sathya Venkatasubramanian, Taneli Riihonen, Lauri Anttila, Strasdosky Otewa, Clemens Icheln, Katsuyuki Haneda, Sergei Tretyakov, Mikko Valkama, Risto Wichman
2014 arXiv   pre-print
However, in order to design such a system, it is necessary to mitigate the self-interference due to simultaneous transmission and reception, which seriously limits the maximum transmit power of the full-duplex  ...  We present an advanced architecture for a compact full-duplex multiantenna transceiver combining antenna design with analog and digital cancellation, including both linear and nonlinear signal processing  ...  The main bottleneck in designing such in-band full duplex systems is the selfinterference (SI) at the receiver caused by its own transmission.  ... 
arXiv:1401.3331v1 fatcat:mg26nuyelncf7dn55z5z4n3rfm
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