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For a massive multiple-input multiple-output (MIMO) system, restricting the number of RF chains to far less than the number of antenna elements can significantly reduce the implementation cost compared to the full complexity RF chain…

Information Theory · Computer Science 2015-11-17 Weiheng Ni , Xiaodai Dong

With its privacy preservation and communication efficiency, federated learning (FL) has emerged as a promising learning framework for beyond 5G wireless networks. It is anticipated that future wireless networks will jointly serve both FL…

Signal Processing · Electrical Eng. & Systems 2022-05-24 Muhammad Farooq , Tung Thanh Vu , Hien Quoc Ngo , Le-Nam Tran

We propose a multiple-input multiple-output (MIMO)-based full-duplex (FD) scheme that enables wireless devices to simultaneously transmit information and harvest energy using the same time-frequency resources. In this scheme, for a MIMO…

Information Theory · Computer Science 2020-02-19 Yasser Al-Eryani , Mohamed Akrout , Ekram Hossain

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

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

In this paper, we provide an analytical framework for full-duplex (FD) massive multiple-input multiple-output (MIMO) cellular networks with low resolution analog-to-digital and digital-to-analog converters (ADCs and DACs). Matched filters…

Signal Processing · Electrical Eng. & Systems 2022-09-07 Elyes Balti , Brian L. Evans

This paper considers full-duplex (FD) device-to-device (D2D) communications in a downlink MISO cellular system in the presence of multiple eavesdroppers. The D2D pair communicate sharing the same frequency band allocated to the cellular…

Information Theory · Computer Science 2017-09-08 Muhammad R. A. Khandaker , Christos Masouros , Kai-Kit Wong

In-band full-duplex (FD) operation is practically more suited for short-range communications such as WiFi and small-cell networks, due to its current practical limitations on the self-interference cancellation. In addition, cell-free…

Signal Processing · Electrical Eng. & Systems 2020-01-22 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten , Oh-Soon Shin

We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting. Specifically, we study a massive multiple-input multiple…

Information Theory · Computer Science 2026-01-29 Mohammadali Mohammadi , Dhanushka Kudathanthirige , Himal A. Suraweera , Hien Quoc Ngo , Michail Matthaiou

We propose an uplink massive MIMO system using an array of holographic metasurfaces as a sector antenna. The antenna consists of a set of rectangular waveguide-fed metasurfaces combined along the elevation direction into a planar aperture,…

Signal Processing · Electrical Eng. & Systems 2021-08-31 Insang Yoo , David R. Smith

Extremely large-scale multiple-input multiple-output (XL-MIMO) is the development trend of future wireless communications. However, the extremely large-scale antenna array could bring inevitable nearfield and dual-wideband effects that…

Information Theory · Computer Science 2024-09-13 Jie Xu , Li You , George C. Alexandropoulos , Xinping Yi , Wenjin Wang , Xiqi Gao

Recent work has shown the feasibility of single-channel full-duplex wireless physical layer, allowing nodes to send and receive in the same frequency band at the same time. In this report, we first design and implement a real-time…

Networking and Internet Architecture · Computer Science 2011-07-05 Achaleshwar Sahai , Gaurav Patel , Ashutosh Sabharwal

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

Massive Full-Dimensional multiple-input multiple-output (FD-MIMO) base stations (BSs) have the potential to bring multiplexing and coverage gains by means of three-dimensional (3D) beamforming. Key technical challenges for their deployment…

Information Theory · Computer Science 2017-09-12 Seongah Jeong , Osvaldo Simeone , Joonhyuk Kang

Full duplex (FD) communications has the potential to double the capacity of a half duplex (HD) system at the link level. However, FD operation increases the aggregate interference on each communication link, which limits the capacity…

Networking and Internet Architecture · Computer Science 2015-10-01 Sanjay Goyal , Pei Liu , Shivendra Panwar , Rui Yang , Robert A. DiFazio , Erdem Bala

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

Information Theory · Computer Science 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

We propose a novel doubly-dispersive (DD) multiple-input multiple-output (MIMO) channel model incorporating flexible intelligent metasurfaces (FIMs), which is suitable for integrated sensing and communications (ISAC) in high-mobility…

Network assisted full-duplex (NAFD) is a spatial-division duplex technique for future wireless networks with cell-free massive multiple-input multiple-output (CF massive MIMO) network, where a large number of remote antenna units (RAUs),…

Information Theory · Computer Science 2019-05-28 Dongming Wang , Menghan Wang , Pengcheng Zhu , Jiamin Li , Jiangzhou Wang , Xiaohu You

A Full Duplex Base Station (FD-BS) can be used to serve simultaneously two Half-Duplex (HD) Mobile Stations (MSs), one working in the uplink and one in the downlink, respectively. The same functionality can be realized by having two…

Information Theory · Computer Science 2016-11-17 Henning Thomsen , Dong Min Kim , Petar Popovski , Nuno K. Pratas , Elisabeth de Carvalho

Full duplex (FD) communications, which increases spectral efficiency through simultaneous transmission and reception on the same frequency band, is a promising technology to meet the demand of next generation wireless networks. In this…

Networking and Internet Architecture · Computer Science 2017-02-06 Sanjay Goyal , Pei Liu , Shivendra Panwar