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This study presents a framework designed to mitigate direct-link interference (DLI) and inter-backscatter device interference (IBDI) in multi-backscatter orthogonal frequency division multiplexing (OFDM)-based symbiotic radio (SR) systems.…

Signal Processing · Electrical Eng. & Systems 2025-04-10 Fikiri Salum Uledi , Muhammad Bilal Janjua , Çagrı Özgenç Etemoglu , Hüseyin Arslan

This study considers a novel full-duplex (FD) massive multiple-input multiple-output (mMIMO) system using hybrid beamforming (HBF) architecture, which allows for simultaneous uplink (UL) and downlink (DL) transmission over the same…

Information Theory · Computer Science 2023-09-08 Mobeen Mahmood , Asil Koc , Duc Tuong Nguyen , Robert Morawski , Tho Le-Ngoc

Full-duplex (FD) technology is envisaged as a key component for future mobile broadband networks due to its ability to boost the spectral efficiency. FD systems can transmit and receive simultaneously on the same frequency at the expense of…

Information Theory · Computer Science 2017-05-12 Italo Atzeni , Marios Kountouris

Full-duplex (FD) allows the exchange of data between nodes on the same temporal and spectrum resources, however, it introduces self interference (SI) and additional network interference compared to half-duplex (HD). Power control in the FD…

Networking and Internet Architecture · Computer Science 2017-02-23 Chenyuan Feng , Yi Zhong , Tony Q. S. Quek , Gang Wu

Multiple-input multiple-output (MIMO) technology has been regarded as one of the most important technologies to enable emerging applications in current and next generation wireless communication systems, for which signal detection methods…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Yanze Zhu , Hufei Zhu , Qingqing Wu , Yikui Zhai , Wen Chen , Yang Liu

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 paper, we propose a precoding framework for frequency division duplex (FDD) integrated sensing and communication (ISAC) systems with multiple-input multiple-output (MIMO). Specifically, we aim to maximize ergodic sum spectral…

Information Theory · Computer Science 2025-06-12 Namhyun Kim , Juntaek Han , Jinseok Choi , Ahmed Alkhateeb , Chan-Byoung Chae , Jeonghun Park

Integrated Sensing and Communication (ISAC) is a key enabler for next-generation wireless systems. However, real-world deployment is often limited to low-cost, single-antenna transceivers. In such bistatic Single-Input Single-Output (SISO)…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Zhongqin Wang , J. Andrew Zhang , Kai Wu , Min Xu , Y. Jay Guo

The aim of this paper is to reveal the importance of hybrid successive interference cancellation (SIC) and power adaptation (PA) for improving transmission robustness of uplink non-orthogonal multiple access (NOMA). Particularly, a…

Information Theory · Computer Science 2023-07-11 Yanshi Sun , Wei Cao , Momiao Zhou , Zhiguo Ding

Downlink spatial intercell interference cancellation (ICIC) is considered for mitigating other-cell interference using multiple transmit antennas. A principle question we explore is whether it is better to do ICIC or simply standard…

Information Theory · Computer Science 2009-09-22 Jun Zhang , Jeffrey G. Andrews

A bidirectional integrated sensing and communication (ISAC) system is proposed, in which a pair of transceivers carry out two-way communication and mutual sensing. Both full-duplex and half-duplex operations in narrowband and wideband…

Information Theory · Computer Science 2024-01-05 Zhaolin Wang , Xidong Mu , Yuanwei Liu

Orthogonal Frequency Division Multiplexing (OFDM) has recently been used widely in wireless communication systems. OFDM is very effective in combating intersymbol interference and can achieve high data rate in frequency selective channel.…

Other Computer Science · Computer Science 2010-01-14 B. Sathish Kumar , K. R. Shankar Kumar , R. Radhakrishnan

This paper discusses transmission strategies for dealing with the problem of self-interference in multi-hop wireless networks in which the nodes communicate in a full- duplex mode. An information theoretic study of the simplest such…

Information Theory · Computer Science 2011-11-04 Evan Everett , Debashis Dash , Chris Dick , Ashutosh Sabharawal

In this paper, an interference cancellation based neural receiver for superimposed pilot (SIP) in multi-layer transmission is proposed, where the data and pilot are non-orthogonally superimposed in the same time-frequency resource.…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Han Xiao , Wenqiang Tian , Shi Jin , Wendong Liu , Jia Shen , Zhihua Shi , Zhi Zhang

Nano-scale molecular communication is a viable way of exchanging information between nano-machines. In this letter, a low-complexity and non-coherent signal detection technique is proposed to mitigate the inter-symbol-interference (ISI) and…

Emerging Technologies · Computer Science 2015-08-31 Bin Li , Mengwei Sun , Siyi Wang , Weisi Guo , Chenglin Zhao

In this article, we address the challenges of transmitter-receiver isolation in \emph{mobile full-duplex devices}, building on shared-antenna based transceiver architecture. Firstly, self-adaptive analog RF cancellation circuitry is…

Information Theory · Computer Science 2016-05-17 Dani Korpi , Joose Tamminen , Matias Turunen , Timo Huusari , Yang-Seok Choi , Lauri Anttila , Shilpa Talwar , Mikko Valkama

Self-interference cancellation plays a crucial role in achieving reliable full-duplex communications. In general, it is essential to cancel the self-interference signal below the thermal noise level, which necessitates accurate…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Dongsheng Zheng , Lifeng Lin , Wenyao Li , Bingli Jiao

In this work, we use deep unfolding to view cascaded non-linear RF systems as model-based neural networks. This view enables the direct use of a wide range of neural network tools and optimizers to efficiently identify such cascaded models.…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Andreas Toftegaard Kristensen , Andreas Burg , Alexios Balatsoukas-Stimming

Digital receivers are required to recover the transmitted symbols from their observed channel output. In multiuser multiple-input multiple-output (MIMO) setups, where multiple symbols are simultaneously transmitted, accurate symbol…

Signal Processing · Electrical Eng. & Systems 2020-06-17 Nir Shlezinger , Rong Fu , Yonina C. Eldar

One of the key technologies for the future cellular networks is full duplex (FD)-enabled integrated access and backhaul (IAB) networks operating in the millimeter-wave (mmWave) frequencies. The main challenge in realizing FD-IAB networks is…

Information Theory · Computer Science 2021-04-02 Junkai Zhang , Navneet Garg , Mark Holm , Tharmalingam Ratnarajah