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This paper proposes the joint use of digital self-interference cancellation (DSIC) and spatial suppression to mitigate far-field self-interference (SI) in full-duplex multiple-input multiple-output (MIMO) systems. Far-field SI, caused by…

Signal Processing · Electrical Eng. & Systems 2025-01-07 Anil Kurt , Gokhan M. Guvensen

In orthogonal frequency-division multiplexing-based radar and integrated sensing and communication systems, the sensing range is traditionally limited by the round-trip time corresponding to the cyclic prefix duration. Targets whose echoes…

Signal Processing · Electrical Eng. & Systems 2026-02-24 Umut Utku Erdem , Lucas Giroto , Benedikt Geiger , Taewon Jeong , Silvio Mandelli , Christian Karle , Benjamin Nuss , Laurent Schmalen , Thomas Zwick

We report on the realization of delivering coherent optical frequency to multiple places based on passive phase noise cancellation over a bus topology fiber network. This technique mitigates any active servo controller on the main fiber…

Instrumentation and Detectors · Physics 2021-04-07 Liang Hu , Ruimin Xue , Xueyang Tian , Guiling Wu , Jianping Chen

This paper develops a 3GPP-inspired design for the in-band-full-duplex (IBFD) integrated access and backhaul (IAB) networks in the frequency range 2 (FR2) band, which can enhance the spectral efficiency (SE) and coverage while reducing the…

Information Theory · Computer Science 2023-12-22 Junkai Zhang , Haifeng Luo , Navneet Garg , Abhijeet Bishnu , Mark Holm , Tharmalingam Ratnarajah

This paper investigates the effect of oscillator phase noise in orthogonal time frequency space (OTFS) systems. The paper provides in-depth analysis of the interference due to phase noise in the delay-Doppler domain and derives expressions…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Stephen McWade , Arman Farhang

In this paper, we propose clipping noise cancellation scheme using compressed sensing (CS) for orthogonal frequency division multiplexing (OFDM) systems. In the proposed scheme, only the data tones with high reliability are exploited in…

Information Theory · Computer Science 2011-12-09 Kee-Hoon Kim , Hosung Park , Jong-Seon No , Habong Chung

The full-duplex (FD) communication can achieve higher spectrum efficiency than conventional half-duplex (HD) communication; however, self-interference (SI) is the key hurdle. This paper is the first work to propose the intelligent Omni…

Information Theory · Computer Science 2022-08-22 Sisai Fang , Gaojie Chen , Pei Xiao , Kai-Kit Wong , Rahim Tafazolli

Recent wireless testbed implementations have proven that full-duplex communication is in fact possible and can outperform half-duplex systems. Many of these implementations modify existing half-duplex systems to operate in full-duplex. To…

Networking and Internet Architecture · Computer Science 2013-12-10 Brett Kaufman , Jorma Lilleberg , Behnaam Aazhang

In-band full-duplex systems allow for more efficient use of temporal and spectral resources by transmitting and receiving information at the same time and on the same frequency. However, this creates a strong self-interference signal at the…

Signal Processing · Electrical Eng. & Systems 2019-12-17 Andreas Toftegaard Kristensen , Andreas Burg , Alexios Balatsoukas-Stimming

One of the main obstacles in full-duplex radios is analog-to-digital converter (ADC) saturation on a receiver due to the strong self-interference (SI). To solve this issue, researchers have proposed two different types of analog…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Jong Woo Kwak , Min Soo Sim , In-Woong Kang , Jaedon Park , Kai-Kit Wong , Chan-Byoung Chae

Multistatic integrated sensing and communications (ISAC) systems, which use distributed transmitters and receivers, offer enhanced spatial coverage and sensing accuracy compared to stand-alone ISAC configurations. However, these systems…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Taewon Jeong , Lucas Giroto , Umut Utku Erdem , Christian Karle , Jiyeon Choi , Thomas Zwick , Benjamin Nuss

Suppressing the inter-carrier interference (ICI) is crucial for differentially coherent detection in underwater acoustic (UWA) orthogonal frequency division multiplexing (OFDM) systems due to the fact that the UWA channel is inherently…

Information Theory · Computer Science 2021-03-09 Yunlong Huang , Yuzhou Li

This paper studies the potential of harvesting energy from the self-interference of a full-duplex base station. The base station is equipped with a self-interference cancellation switch, which is turned-off for a fraction of the…

Information Theory · Computer Science 2018-07-04 Animesh Yadav , Octavia A. Dobre , H. Vincent Poor

Recent wireless testbed implementations have proven that full-duplex communication is in fact possible and can outperform half-duplex systems. Many of these implementations modify existing half-duplex systems to operate in full-duplex. To…

Networking and Internet Architecture · Computer Science 2013-12-03 Brett Kaufman , Jorma Lilleberg , Behnaam Aazhang

Incorporating full duplex operation in Multiple Input Multiple Output (MIMO) systems provides the potential of boosting throughput performance. However, the hardware complexity of the analog self-interference canceller in emerging full…

Information Theory · Computer Science 2018-09-26 George C. Alexandropoulos , Melissa Duarte

In this work, we study the impact of the multiplicative phase noise in an IRS-assisted system. We consider an IRS-assisted system with multiplicative phase noise both at the BS and user. A novel channel estimation algorithm is proposed…

Signal Processing · Electrical Eng. & Systems 2021-10-12 Chu Li , Aydin Sezgin , Zhu Han

We report on the realization of an optical phase noise cancellation technique by passively embedding the optical phase information into a radio frequency (RF) signal and shifting the optical frequency with the amount of phase noise…

Instrumentation and Detectors · Physics 2020-07-30 Liang Hu , Xueyang Tian , Guiling Wu , Jianping Chen

In this letter, we consider single-cell, single-user systems wherein uplink and downlink user equipment communicate with a full-duplex relay. Due to the near-far problem, the self-interference (SI) can be 100-1000x the received signal…

Information Theory · Computer Science 2021-06-03 Elyes Balti , Brian L. Evans

In this article, we consider the problem of loop-back interference suppression for orthogonal frequency division multiplexing (OFDM) signals in amplify-and-forward single-frequency full-duplex relay stations. The loop-back interference…

Systems and Control · Computer Science 2015-04-06 Hampei Sasahara , Masaaki Nagahara , Kazunori Hayashi , Yutaka Yamamoto

Phase noise (PN) is a major disturbance in MIMO systems, where the contribution of different oscillators at the transmitter and the receiver side may degrade the overall performance and offset the gains offered by MIMO techniques. This is…

Information Theory · Computer Science 2024-05-14 Alberto Tarable , Francisco J. Escribano