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Full-duplex systems are expected to double the spectral efficiency compared to conventional half-duplex systems if the self-interference signal can be significantly mitigated. Digital cancellation is one of the lowest complexity…

Information Theory · Computer Science 2016-11-17 Elsayed Ahmed , Ahmed M. Eltawil

In full-duplex systems, due to the strong self-interference signal, system nonlinearities become a significant limiting factor that bounds the possible cancellable self-interference power. In this paper, a self-interference cancellation…

Information Theory · Computer Science 2014-06-02 Elsayed Ahmed , Ahmed M. Eltawil , Ashutosh Sabharwal

In carrier-aggregation systems, digital baseband cancelation of self-interference generated by receiver nonlinearity requires the estimation of several reference signals contributions. As the nonlinearity order and frequency selectivity of…

Information Theory · Computer Science 2017-08-21 Ahmad Gomaa , Charles Chien , Ming Lei , ChihYuan Lin , Chun-Ying Ma

Successive interference cancellation is used to detect discrete modulation symbols transmitted over a 1000 km fiber-optic link. A transmitter and receiver are presented that have linear complexity in the number of transmitted symbols and…

Information Theory · Computer Science 2024-05-07 Alex Jäger , Gerhard Kramer

Single-antenna full-duplex communication technology has the potential to substantially increase spectral efficiency. However, limited propagation domain cancellation of single-antenna system results in a higher impact of receiver chain…

Signal Processing · Electrical Eng. & Systems 2019-06-19 Md Atiqul Islam , Besma Smida

We propose two transceiver schemes based on Kramers Kronig (KK) detection. One targets low-cost high-throughput applications and uses PAM transmission in combination with direct detection and digital reconstruction of the optical phase.…

Signal Processing · Electrical Eng. & Systems 2018-03-14 Cristian Antonelli , Antonio Mecozzi , Mark Shtaif

In-band full-duplex systems promise to further increase the throughput of wireless systems, by simultaneously transmitting and receiving on the same frequency band. However, concurrent transmission generates a strong self-interference…

Signal Processing · Electrical Eng. & Systems 2021-01-12 Andreas Toftegaard Kristensen , Alexios Balatsoukas-Stimming , Andreas Burg

Modern radio systems and transceivers utilize carrier aggregation (CA) to meet the demands for higher and higher data rates. However, the adoption of CA in the existing Long Term Evolution (LTE)-Advanced and emerging 5G New Radio (NR)…

Signal Processing · Electrical Eng. & Systems 2018-12-11 Muhammad Zeeshan Waheed , Pablo Pascual Campo , Dani Korpi , Adnan Kiayani , Lauri Anttila , Mikko Valkama

A novel method for correcting the effect of nonlinear distortion in orthogonal frequency division multiplexing signals is proposed. The method depends on adaptively selecting the distortion over a subset of the data carriers, and then using…

Information Theory · Computer Science 2015-07-01 Ebrahim B. Al-Safadi , Tareq Y. Al-Naffouri , Mudassir Masood , Anum Ali

Digital Video Broadcasting - Satellite - Second Generation (DVB-S2) is the current European standard for satellite broadcast and broadband communications. It relies on high order modulations up to 32-amplitude/phase-shift-keying (APSK) in…

Information Theory · Computer Science 2014-05-14 Thibault Deleu , Mathieu Dervin , Kenta Kasai , François Horlin

In this paper, the introduction of interference cancellation in full-duplex joint radar and communication receivers is analysed. More specifically, a focus is made on scenarios in which the receiver simultaneously receives radar echoes from…

Signal Processing · Electrical Eng. & Systems 2024-10-02 François De Saint Moulin , Claude Oestges , Luc Vandendorpe

One of the main bottlenecks in practical full-duplex systems is the oscillator phase noise, which bounds the possible cancellable self-interference power. In this paper, a digitaldomain self-interference cancellation scheme for full-duplex…

Information Theory · Computer Science 2014-06-20 Elsayed Ahmed , Ahmed M. Eltawil , Ashutosh Sabharwal

In this paper, the digital self-interference (SI) cancellation in a single radio frequency (RF) chain massive multi-input multi-output (MIMO) full-duplex (FD) orthogonal frequency division multiplexing (OFDM) system with phase noise is…

Information Theory · Computer Science 2023-08-11 Meng He , Chuan Huang

A new computational imaging method to reconstruct the complex wave-field is reported. Due to the existence of zero frequency component, the measured signal by amplitude modulation of pupil has a spectrum similar to the one of off-axis…

Optics · Physics 2021-11-09 Cheng Shen , An Pan , Mingshu Liang , Changhuei Yang

The Kramers-Kronig (KK) algorithm, useful for retrieving the phase of a spectrum based on the known spectral amplitude, is applied to reconstruct the impulse response of a diffusive medium. It is demonstrated by a simulation of a 1D…

Optics · Physics 2009-11-13 Er'el Granot , Shmuel Sternklar

Next-generation communication systems with wide bandwidths need to operate in interference-limited networks. A discrete-time delay (TD) technique in a baseband receiver array is proposed for canceling wide modulated bandwidth spatial…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Erfan Ghaderi , Ajith Ramani , Arya Rahimi , Sudip Shekhar , Subhanshu Gupta

A new adaptive receiver design for the Multicarrier (MC) DS-CDMA is proposed employing successive interference cancellation (SIC) architecture. One of the main problems limiting the performance of SIC in MC DS-CDMA is the imperfect…

Information Theory · Computer Science 2011-03-01 Indu Shakya , Falah H. Ali , Elias Stipidis

Orthogonal delay-Doppler division multiplexing (ODDM) modulation has recently gained significant attention as a promising candidate to promote the communication reliability in high-mobility environments. Low complexity signal detection is…

Theoretical Economics · Economics 2025-07-23 Jiasong Han , Xuehan Wang , Jintao Wang

Despite the extensive use of a centralized approach to design receivers at the base station for massive multiple-input multiple-output (M-MIMO) systems, their actual implementation is a major challenge due to several bottlenecks imposed by…

Information Theory · Computer Science 2021-07-26 Victor Croisfelt , Taufik Abrão , Abolfazl Amiri , Elisabeth de Carvalho , Petar Popovski

Nonlinear self-interference (SI) cancellation is essential for mitigating the impact of transmitter-side nonlinearity on overall SI cancellation performance in flexible duplex systems, including in-band full-duplex (IBFD) and sub-band…

Signal Processing · Electrical Eng. & Systems 2025-03-05 Yonghwi Kim , Kai-Kit Wong , Jianzhong , Zhang , Chan-Byoung Chae
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