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Active self-interference cancellation of passband signals using gradient descent

John R. Krier, Ian F. Akyildiz
2013 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)  
Recent interest in same-frequency/same-time fullduplex radio frequency communication has led to the study of self-interference cancellation methods for a co-located transmitter and receiver pair.  ...  It is shown that for high-power wideband transmission signals, this adaptive active analog cancellation method effectively reduces the self-interference signal while satisfying practical constraints set  ...  ACKNOWLEDGEMENTS The authors would like to thank Brandon Lo, Ravikumar Balakrishnan, and Elias Chavarria-Reyes for their helpful discussion and feedback.  ... 
doi:10.1109/pimrc.2013.6666323 dblp:conf/pimrc/KrierA13 fatcat:q7bd54tdvvhk3d2qprkuq2uzdu

Full duplex device-to-device communication in cellular networks

Samad Ali, Nandana Rajatheva, Matti Latva-aho
2014 2014 European Conference on Networks and Communications (EuCNC)  
In this thesis, we investigate full-duplex D2D and amount of self-interference cancelation required in D2D in cellular systems.  ...  At the same time, in-band fullduplex (FD) radio design has gained considerable attention due to achievements in signal processing that can make design of full-duplex radios possible for systems with small  ...  The amount of self-interference cancelation in full-duplex radios that is needed for D2D communication under different scenarios should be studied.  ... 
doi:10.1109/eucnc.2014.6882650 dblp:conf/eucnc/AliRL14 fatcat:6pylwlpimjagtlcpo5v7ru4urq

Self-Interference Cancellation in Full Duplex Communication using Steepest Descent Method

N. Alivelu Manga
2021 International Journal for Research in Applied Science and Engineering Technology  
Implementation of full duplex communication is difficult because of a significant problem called self-interference. while transmitting and receiving signals on the same frequency band, receiving signal  ...  The present-day communication system uses Frequency Division Duplex (FDD) to emulate the benefits of Full Duplex Communication.  ...  Fig. 1 Self-interference phenomenon The fig. 1 illustrates the self-interference phenomenon which adversely affect the in-band full duplex communication.  ... 
doi:10.22214/ijraset.2021.35281 fatcat:7kibd4kcfzgglgfvmajy32hawu

Active Self-Interference Cancellation Mechanism for Full-Duplex Wireless Transceivers

Wilhelm Keusgen, Ramez Askar, Thomas Kaiser, Benjamin Schubert, Thomas Haustein
2014 Proceedings of the 9th International Conference on Cognitive Radio Oriented Wireless Networks  
This paper investigates active cancellation techniques for a Full-Duplex transceiver.  ...  Two methods are proposed to calculate the self-interference cancellation signal.  ...  ACKNOWLEDGMENT This work has been done within a cooperation framework between the department of Wireless Communications and Net-works at Fraunhofer Heinrich-Hertz-Institute and the Institute of Digital  ... 
doi:10.4108/icst.crowncom.2014.255732 dblp:conf/crowncom/AskarKSHK14 fatcat:tbrrwklk75gjjfcmdjwxupzz7u

Two-way (true full-duplex) wireless

Amir K. Khandani
2013 2013 13th Canadian Workshop on Information Theory  
The innovation is in the antenna design and multiple levels for cancelling self-interference.  ...  Realization of two-way wireless has challenged the research community for many years. This article 1 establishes the theory and presents practical realization of two-way (true full-duplex) wireless.  ...  The remaining self-interference after analog active cancellation, referred to as residual self-interference RSI, is subsequently canceled digitally at the base-band.  ... 
doi:10.1109/cwit.2013.6621588 dblp:conf/cwit/Khandani13 fatcat:oezttxjdnjddbmwyqyqlt6vy3q

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

Non-Linear Digital Self-Interference Cancellation for In-Band Full-Duplex Radios Using Neural Networks [article]

Alexios Balatsoukas-Stimming
2018 arXiv   pre-print
Full-duplex systems require very strong self-interference cancellation in order to operate correctly and a significant part of the self-interference signal is due to non-linear effects created by various  ...  In this work, we investigate the use of a neural network as an alternative to the traditional non-linear cancellation method that is based on polynomial basis functions.  ...  Orion Afisiadis for his aid in carrying out the full-duplex testbed measurements and Prof. Andreas Burg for useful discussions.  ... 
arXiv:1711.00379v4 fatcat:babbyjbhrjb5thizlqymed577m

Baseband and RF Hardware Impairments in Full-Duplex Wireless Systems: Experimental Characterisation and Suppression [article]

Alexios Balatsoukas-Stimming and Andrew Charles Mallory Austin and Pavle Belanovic and Andreas Burg
2014 arXiv   pre-print
In this paper, we follow a measurement-based approach to experimentally identify and isolate these hardware imperfections leading to residual self-interference in full-duplex nodes.  ...  for IQ imbalance and DAC non-linearities.  ...  Conclusion Self-interference cancellation in full-duplex systems is limited by the presence of hardware impairments in the transmitter and receiver circuits.  ... 
arXiv:1412.4542v1 fatcat:oiujrvadnvc27mh6rgc4uq2ane

Baseband and RF hardware impairments in full-duplex wireless systems: experimental characterisation and suppression

Alexios Balatsoukas-Stimming, Andrew CM Austin, Pavle Belanovic, Andreas Burg
2015 EURASIP Journal on Wireless Communications and Networking  
In this paper, we follow a measurement-based approach to experimentally identify and isolate these hardware imperfections leading to residual self-interference in full-duplex nodes.  ...  for IQ imbalance and DAC non-linearities.  ...  Conclusions Self-interference cancellation in full-duplex systems is limited by the presence of hardware impairments in the transmitter and receiver circuits.  ... 
doi:10.1186/s13638-015-0350-1 fatcat:innyjjijt5fwhbkmyrcle26wtm

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.  ...  In this article, we present a real-time full duplex radio system for 5G wireless networks.  ...  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

Guest Editorial: Full Duplex Communications Theory, Standardization, and Practice

Gabor Fodor, Chan-Byoung Chae, Risto Wichman, Ashutosh Sabharwal, Himal A. Suraweera, Raghu Rao, Hirley Alves
2021 IEEE wireless communications  
In-band full duplex (FD) and self-interference cancellation (SIC) are two of these promising technologies that increase spectral efficiency in both low-and high-frequency bands.  ...  The first article, "Analog Least Mean Square Adaptive Filtering for Self-Interference Cancellation in Full Duplex Radios" by Le et al., focuses on radio frequency (RF) SIC, which is essential for preventing  ... 
doi:10.1109/mwc.2021.9363051 fatcat:xhvuhoskc5cb5nqht3ehi7jiaq

Feasibility of In-band Full-Duplex Radio Transceivers with Imperfect RF Components: Analysis and Enhanced Cancellation Algorithms [article]

Dani Korpi, Lauri Anttila, Mikko Valkama
2014 arXiv   pre-print
full-duplex transceivers, in addition to linear self-interference.  ...  In this paper we provide an overview regarding the feasibility of in-band full-duplex transceivers under imperfect RF components.  ...  Actually, the RF impairments occurring within in-band full-duplex transceivers are the most significant challenge for its practical implementation, as the basic concept of self-interference cancellation  ... 
arXiv:1409.1365v1 fatcat:xb5ws7hhgrcjld6rgpinnyn4x4

Millimeter Wave Full-Duplex Radios: New Challenges and Techniques [article]

Ian P. Roberts, Jeffrey G. Andrews, Hardik B. Jain, Sriram Vishwanath
2020 arXiv   pre-print
With these novelties of mmWave full-duplex in mind, we lay out potential solutions---beyond active self-interference cancellation---that harness the spatial degrees of freedom bestowed by dense antenna  ...  arrays to enable simultaneous transmission and reception in-band.  ...  Furthermore, in unlicensed mmWave spectrum (e.g., the 57-64 GHz ISM band) and other lightly used bands, full-duplex can introduce new approaches for coexistence between communication, consumer radar, and  ... 
arXiv:2009.06048v1 fatcat:3gljgqpwjzb6zmd7jd3r7odxyy

Feasibility of Inband Full-Duplex Radio Transceivers with Imperfect RF Components: Analysis and Enhanced Cancellation Algorithms

Dani Korpi, Lauri Anttila, Mikko Valkama
2014 Proceedings of the 9th International Conference on Cognitive Radio Oriented Wireless Networks  
full-duplex transceivers, in addition to linear self-interference.  ...  In this paper we provide an overview regarding the feasibility of in-band full-duplex transceivers under imperfect RF components.  ...  Actually, the RF impairments occurring within in-band full-duplex transceivers are the most significant challenge for its practical implementation, as the basic concept of self-interference cancellation  ... 
doi:10.4108/icst.crowncom.2014.255474 dblp:conf/crowncom/KorpiAV14 fatcat:wzijrsl7s5hmzn7rr2h6ar5gjy

Cancellation of Power Amplifier Induced Nonlinear Self-Interference in Full-Duplex Transceivers [article]

Lauri Anttila, Dani Korpi, Ville Syrjälä, Mikko Valkama
2014 arXiv   pre-print
Recently, full-duplex (FD) communications with simultaneous transmission and reception on the same channel has been proposed.  ...  The results illustrate that with a given IIP3 figure for the PA, the proposed technique enables higher transmit power to be used compared to existing linear SI cancellation methods.  ...  CONCLUSION This article studied the effects and digital cancellation of PA induced nonlinear self-interference in full-duplex transceivers.  ... 
arXiv:1401.3129v1 fatcat:ytijkmi27vgktilpfcgxycld3m
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