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Full-duplex (FD) systems have the capability to transmit and receive at the same time in the same frequency band. FD systems can reduce congestion and latency and improve coverage and spectral efficiency. As a relay, they can increase range…

Signal Processing · Electrical Eng. & Systems 2021-10-26 Elyes Balti , Brian L. Evans

Compared with traditional half-duplex wireless systems, the application of emerging full-duplex (FD) technology can potentially double the system capacity theoretically. However, conventional techniques for suppressing self-interference…

Information Theory · Computer Science 2023-06-27 Chi Qiu , Meng Hua , Qingqing Wu , Wen Chen , Shaodan Ma , Fen Hou , Derrick Wing Kwan Ng , A. Lee Swindlehurst

Orthogonal frequency-division multiplexing (OFD-M) and multi-cell architecture are widely adopted in current high speed train (HST) systems for providing high data rate wireless communications. In this paper, a typical multi-antenna OFDM…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Xiang Ren , Wen Chen , Bo Gong , Qibo Qin , Lin Gui

Recent achievement in self-interference cancellation algorithms enables potential application of full-duplex (FD) in 5G radio access systems. The exponential growth of data traffic in 5G can be supported by having more spectrum and higher…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Jingwen Bai , Shu-ping Yeh , Feng Xue , Yang-seok Choi , Ping Wang , Shilpa Talwar

By deploying antenna arrays at the transmitter/receiver to provide additional spatial-domain degrees of freedom (DoFs), multi-antenna technology greatly improves the reliability and efficiency of wireless communication. Meanwhile, the…

Hardware Architecture · Computer Science 2024-07-17 Yong Zeng , Zhenjun Dong , Huizhi Wang , Lipeng Zhu , Ziyao Hong , Qingji Jiang , Dongming Wang , Shi Jin , Rui Zhang

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

This study employs a uniform rectangular array (URA) sub-connected hybrid beamforming (SC-HBF) architecture to provide a novel self-interference (SI) suppression scheme in a full-duplex (FD) massive multiple-input multiple-output (mMIMO)…

Information Theory · Computer Science 2024-02-14 Mobeen Mahmood , Yuanxing Zhang , Robert Morawski , Tho Le-Ngoc

This paper presents a pixelated cubic antenna design with enhanced isolation and diverse radiation pattern for vehicular applications. The design consists of four radiating patches to take advantage of a nearly omnidirectional radiation…

Systems and Control · Electrical Eng. & Systems 2024-08-20 Md. Amanath Ullah , Rasool Keshavarz , Justin Lipman , Mehran Abolhasan , Negin Shariati

Full-duplex (FD) wireless can significantly enhance spectrum efficiency but requires tremendous amount of self-interference (SI) cancellation. Recent advances in the RFIC community enabled wideband RF SI cancellation (SIC) in integrated…

Signal Processing · Electrical Eng. & Systems 2018-12-05 Tingjun Chen , Mahmood Baraani Dastjerdi , Jin Zhou , Harish Krishnaswamy , Gil Zussman

We consider a multi-user multiple-input multiple-output (MIMO) setup where full-duplex (FD) multi-antenna nodes apply linear beamformers to simultaneously transmit and receive multiple streams over Rician fading channels. The exact first…

Information Theory · Computer Science 2017-02-21 Arman Shojaeifard , Kai-Kit Wong , Marco Di Renzo , Gan Zheng , Khairi Ashour Hamdi , Jie Tang

In this paper, we present an Integrated Sensing and Communications (ISAC) system enabled by in-band Full Duplex (FD) radios, where a massive Multiple-Input Multiple-Output (MIMO) base station equipped with hybrid Analog and Digital (A/D)…

Information Theory · Computer Science 2022-05-18 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

The fundamental problem in the design of a full-duplex radio is the cancellation of the self-interference (SI) signal generated by the transmitter.Current techniques for suppressing SI rely on generating a copy of the SI signal and…

Networking and Internet Architecture · Computer Science 2016-05-05 Arjun Nadh , Joseph Samuel , Ankit Sharma , S. Aniruddhan , Radha Krishna Ganti

Traditional self-interference cancellation (SIC) methods are common in full-duplex (FD) integrated sensing and communication (ISAC) systems. However, exploring new SIC schemes is important due to the limitations of traditional approaches.…

Signal Processing · Electrical Eng. & Systems 2024-10-25 Yu Liu , Gaojie Chen , Yun Wen , Qu Luo , Chiya Zhang , Dusit Niyato

The Six-Dimensional Movable Antenna (6DMA) system has emerged as a promising technology to enhance wireless capacity by fully exploiting spatial degrees of freedom. However, applying 6DMA to high-mobility Internet of Vehicles (IoV)…

Networking and Internet Architecture · Computer Science 2026-05-06 Maoxin Ji , Qiong Wu , Pingyi Fan , Kezhi Wang , Wen Chen , Cui Zhang , Khaled B. Letaief

This paper presents an in-band Full Duplex (FD) integrated sensing and communications system comprising a holographic Multiple-Input Multiple-Output (MIMO) base station, which is capable to simultaneously communicate with multiple users in…

Information Theory · Computer Science 2023-08-08 Ioannis Gavras , Md Atiqul Islam , Besma Smida , George C. Alexandropoulos

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

Integrated Sensing and Communications (ISAC) is a promising technology for future wireless networks, enabling simultaneous communication and sensing using shared resources. This paper investigates the performance of full-duplex (FD)…

Signal Processing · Electrical Eng. & Systems 2025-08-21 Ahsan Nazar , Zhambyl Shaikhanov , Sennur Ulukus

Antenna selection (AS) is regarded as one of the most prospective technologies to reduce hardware cost but keep relatively high spectral efficiency in multi-antenna systems. By selecting a subset of antennas to transceive messages, AS…

Signal Processing · Electrical Eng. & Systems 2019-07-17 Chongjun Ouyang , Hongwen Yang

Aiming for the sixth generation (6G) wireless communications, distributed massive multiple-input multiple-output (MIMO) systems hold significant potential for spatial multiplexing. In order to evaluate the ability of a distributed massive…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Yingjie Xu , Michiel Sandra , Xuesong Cai , Sara Willhammar , Fredrik Tufvesson

Integrated sensing and communication (ISAC) has been envisioned as a solution to realize the sensing capability required for emerging applications in wireless networks, while efficiently utilizing the available spectral, hardware and energy…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Ziang Liu , Sundar Aditya , Hongyu Li , Bruno Clerckx