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Full duplex (FD) systems suffer from very high hardware cost and high power consumption to mitigate the self-interference (SI) in the analog domain. Moreover, in millimeter wave (mmWave) they rely on hybrid beamforming (HYBF) as a signal…

Information Theory · Computer Science 2023-06-16 Chandan Kumar Sheemar , Stefano Tomasin , Dirk Slock , Symeon Chatzinotas

We consider a cooperative non-orthogonal multiple access (NOMA) network in which a full-duplex (FD) multi-antenna relay assists transmission from a base station (BS) to a set of far users with poor channel conditions, while at the same time…

Information Theory · Computer Science 2017-08-15 Zahra Mobini , Mohammadali Mohammadi , Himal A. Suraweera , Zhiguo Ding

A new approach to distributed cooperative beamforming in relay networks with frequency selective fading is proposed. It is assumed that all the relay nodes are equipped with finite impulse response (FIR) filters and use a filter-and-forward…

Adaptation and Self-Organizing Systems · Physics 2016-11-15 Haihua Chen , Alex B. Gershman , Shahram Shahbazpanahi

Massive multiple-input multiple-output (MIMO) is envisioned to offer considerable capacity improvement, but at the cost of high complexity of the hardware. In this paper, we propose a low-complexity hybrid precoding scheme to approach the…

Information Theory · Computer Science 2016-11-17 Le Liang , Wei Xu , Xiaodai Dong

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

In-band full-duplex relay (FDR) has attracted much attention as an effective solution to improve the coverage and spectral efficiency in wireless communication networks. The basic problem for FDR transmission is how to eliminate the…

Information Theory · Computer Science 2023-07-10 Pu Yang , Xiang-Gen Xia , Qingyue Qu , Han Wang , Yi Liu

Full duplex (FD) is an auspicious wireless technology that holds the potential to double data rates through simultaneous transmission and reception. This paper proposes two innovative designs of hybrid beamforming (HYBF) for a multicell…

Information Theory · Computer Science 2023-06-02 Chandan Kumar Sheemar , Symeon Chatzinotas , Dirk Slock , Eva Lagunas , Jorge Querol

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

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

In this work, we analyze the performance of full-duplex relay selection (FDRS) in spectrum-sharing networks. Contrary to half-duplex relaying, full-duplex relaying (FDR) enables simultaneous listening/forwarding at the secondary relay(s),…

Information Theory · Computer Science 2017-10-03 Mohammad Galal Khafagy , Mohamed-Slim Alouini , Sonia Aissa

In millimeter-wave (mmWave) dual-function radar-communication (DFRC) systems, hybrid beamforming (HBF) is recognized as a promising technique utilizing a limited number of radio frequency chains. In this work, in the presence of extended…

Signal Processing · Electrical Eng. & Systems 2022-11-07 Ziyang Cheng , Linlong Wu , Bowen Wang , Bhavani Shankar M. R. , Björn Ottersten

Cell-free Massive multiple-input multiple-output (MIMO) ensures ubiquitous communication at high spectral efficiency (SE) thanks to increased macro-diversity as compared cellular communications. However, system scalability and performance…

Information Theory · Computer Science 2019-09-09 Giovanni Interdonato , Marcus Karlsson , Emil Björnson , Erik G. Larsson

This paper investigates the combined benefits of full-duplex (FD) and cell-free massive multiple-input multipleoutput (CF-mMIMO), where a large number of distributed access points (APs) having FD capability simultaneously serve numerous…

Signal Processing · Electrical Eng. & Systems 2020-07-10 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten , Oh-Soon Shin

The hybrid half-duplex/full-duplex (HD/FD) relaying scheme is an effective paradigm to overcome the negative effects of the self-interference incurred by the full-duplex (FD) mode. However, traditional hybrid HD/FD scheme does not consider…

Information Theory · Computer Science 2018-02-23 Cheng Li , Bin Xia , Zhiyong Chen

A multiantenna multiuser broadcast channel with transmitter beamforming and user selection is considered. Different from the conventional works, we consider imperfect channel state information (CSI) which is a practical scenario for…

Signal Processing · Electrical Eng. & Systems 2020-03-24 Zijian Wang , Wen Chen

This paper studies the massive MIMO full-duplex relaying (MM-FDR), where multiple source-destination pairs communicate simultaneously with the help of a common full-duplex relay equipped with very large antenna arrays. Different from the…

Information Theory · Computer Science 2016-01-20 Xiaochen Xia , Dongmei Zhang , Kui Xu , Wenfeng Ma , Youyun Xu

This paper investigates dynamic hybrid beamforming (HBF) for a dual-function radar-communication (DFRC) system, where the DFRC base station (BS) simultaneously serves multiple single-antenna users and senses a target in the presence of…

Signal Processing · Electrical Eng. & Systems 2023-09-15 Bowen Wang , Hongyu Li , Ziyang Cheng

This paper considers the discrete Fourier transform (DFT) based hybrid beamforming multiuser system and studies the use of analog beam selection schemes. We first analyze the uplink ergodic achievable rates of the zero-forcing (ZF) receiver…

Information Theory · Computer Science 2018-07-04 Yu Han , Shi Jin , Jun Zhang , Jiayi Zhang , Kai-Kit Wong

In this paper, a novel full-duplex non-coherent (FD-NC) transmission scheme is developed for massive multiple-input multiple-output (mMIMO) systems using analog beamforming (ABF). We propose to use a structured Grassmannian constellation…

Information Theory · Computer Science 2022-02-01 Asil Koc , Ahmed Masmoudi , Tho Le-Ngoc

This letter studies bi-directional secure information exchange in a simultaneous wireless information and power transfer (SWIPT) system enabled by a full-duplex (FD) multiple-input multiple-output (MIMO) amplify-and-forward (AF) relay. The…

Information Theory · Computer Science 2017-09-26 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong , Gan Zheng , Yangyang Zhang , Zhongbin Zheng