In-Band Full-Duplex Wireless: Challenges and Opportunities

By Ashutosh Sabharwal, Philip Schniter, Dongning Guo, Daniel W. Bliss, Sampath Rangarajan, Risto Wichman. IEEE Journal on Selected Areas in Communications, 2013

2,209 citations recorded by the source corpus.

In-band full-duplex (IBFD) operation has emerged as an attractive solution for increasing the throughput of wireless communication systems and networks. With IBFD, a wireless terminal is allowed to transmit and receive simultaneously in the same frequency band. This tutorial paper reviews the main concepts of IBFD wireless. One of the biggest practical impediments to IBFD operation is the presence of self-interference, i.e., the interference that the modem's transmitter causes to its own receiver. This tutorial surveys a wide range of IBFD self-interference mitigation techniques. Also discussed are numerous other research challenges and opportunities in the design and analysis of IBFD wireless systems.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/4f4b71920b4f7fe06a8dc159aff6259212e6cbc7

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In Electrical and Electronic Engineering

Citations in the corpus

Full-Duplex Communication for ISAC: Joint Beamforming and Power Optimization (2022, background): “In particular, self-interference (SI), which is a critical issue in FD operation, is considered to be suppressed by employing advanced SI cancellation (SIC) techniques [22], [23], e.g., natural isolation, analog cancellation, and digital cancellation.”
Full duplex techniques for 5G networks: self-interference cancellation, protocol design, and relay selection (2015, background): “Existing studies [5, 6] showed that it is critical to accurately measure and suppress the SI in FD communication.”
Modeling and Analysis of Cellular Networks Using Stochastic Geometry: A Tutorial (2016, background): “For instance, in-band full-duplex (FD) communication, which emerges for recent advances in self-interference cancellation techniques, is optimistically promoted to double the spectral efficiency for wireless networks [176], [177].”
White Paper on Broadband Connectivity in 6G (2020, background): “Three classes of cancellation techniques are usually used to cope with the self-interference: Passive suppression, analog cancellation, and digital cancellation (see e.g. [106] and the references therein).”
5G-Advanced Toward 6G: Past, Present, and Future (2023, background): “the literature [203], [204], [205], [206], [207], [208].”
On the Effectiveness of OTFS for Joint Radar Parameter Estimation and Communication (2020, background): “Full-duplex operations can be achieved with sufﬁcient isolation between the transmitter and the (radar) detector and possibly interference analog pre-cancellation in order to prevent the (radar) detector saturation [38].”
Wireless powered communication networks: an overview (2015, methodology): “A full-duplex HAP can also perform self-interference cancelation (SIC) to further reduce the interference power, using analog/digital SIC circuitry and hybrid signal processing approaches, etc [6].”
Integrated Sensing and Communications: Toward Dual-Functional Wireless Networks for 6G and Beyond (2021, background): “full-duplex and SI cancellation techniques are necessary [159], [160], or at least a certain degree of isolation between transmit”
IEEE 802.11ad-Based Radar: An Approach to Joint Vehicular Communication-Radar System (2017, neutral): “Developing algorithms for full-duplex operation is a subject of future work [35].”
In-Band Full-Duplex Relaying: A Survey, Research Issues and Challenges (2015, methodology): “At last, as observed in [35], [44], while the above propagation-domain self-interference suppression techniques adjust the transmit/receive patterns to mitigate self-interference,”
A Comprehensive Survey of Pilot Contamination in Massive MIMO—5G System (2016, background): “The digital-domain cancellation is considered as the last line of defense, where it is expected to cancel the SI left over from the propagation-domain and analog-circuit-domain cancellation approaches [130].”
Survey of RF Communications and Sensing Convergence Research (2017, background): “Finally, the broad and complicated topic of IBFD is covered in detail in Reference [19].”
Joint Transmit Waveform and Passive Beamforming Design for RIS-Aided DFRC Systems (2021, methodology): “With advanced self-interference mitigation techniques [46], we assume that the transmit and receive antennas of the BS work at the same time with perfect selfinterference mitigation.”
Microwave Photonic Radars (2020, background): “co-site interference or self-interference in the literature, would be overlapped with the weak SOI in the same frequency band and is difficult to be removed with a filter [348], which seriously”
A Survey of In-Band Full-Duplex Transmission: From the Perspective of PHY and MAC Layers (2015, methodology): “Passive self-IC techniques suppress the SI before it enters the receive RF chain circuit [12].”