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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…

信息论 · 计算机科学 2023-06-27 Chi Qiu , Meng Hua , Qingqing Wu , Wen Chen , Shaodan Ma , Fen Hou , Derrick Wing Kwan Ng , A. Lee Swindlehurst

Three-node full-duplex is a promising new transmission mode between a full-duplex capable wireless node and two other wireless nodes that use half-duplex transmission and reception respectively. Although three-node full-duplex transmissions…

信息论 · 计算机科学 2016-03-08 Jose Mairton B. da Silva , Yuzhe Xu , Gabor Fodor , Carlo Fischione

Theoretically, full-duplex (FD) communications can double the spectral-efficiency (SE) of a wireless link if the problem of self-interference (SI) is completely eliminated. Recent developments towards SI cancellation techniques have allowed…

信号处理 · 电气工程与系统科学 2018-03-02 Animesh Yadav , Georgios I. Tsiropoulos , Octavia A. Dobre

The problem of user scheduling and power allocation in full-duplex (FD) cellular networks is considered, where a FD base station communicates simultaneously with one half-duplex (HD) user on each downlink and uplink channel. First, we…

信息论 · 计算机科学 2016-11-17 George C. Alexandropoulos , Marios Kountouris , Italo Atzeni

Full-duplex (FD) communications with bidirectional transmitting and receiving at the same time and frequency radio resource have long been deemed a promising way to boost spectrum efficiency, but hindered by the techniques for…

信息论 · 计算机科学 2016-04-12 Rongpeng Li , Yan Chen , Geoffrey Ye Li , Guangyi Liu

We address the user association problem in multi-tier in-band full-duplex (FD) networks. Specifically, we consider the case of decoupled user association (DUA) in which users (UEs) are not necessarily served by the same base station (BS)…

信息论 · 计算机科学 2017-06-14 Ahmed Hamdi Sakr , Ekram Hossain

We present an overview of ongoing research endeavors focused on in-band full-duplex (IBFD) massive multiple-input multiple-output (MIMO) systems and their applications. In response to the unprecedented demands for mobile traffic in…

信息论 · 计算机科学 2024-09-17 Mohammadali Mohammadi , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

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…

信号处理 · 电气工程与系统科学 2022-05-24 Muhammad Farooq , Tung Thanh Vu , Hien Quoc Ngo , Le-Nam Tran

In this paper, we introduce dynamic time-frequency-division duplex (D-TFDD), which is a novel duplexing scheme that combines time-division duplex (TDD) and frequency-division duplex (FDD). In D-TFDD, a user receives from the base station…

信息论 · 计算机科学 2020-02-03 Mohsen Mohammadkhani Razlighi , Nikola Zlatanov , Petar Popovski

The performance of a cellular network can be significantly improved by employing many base stations (BSs), which shortens transmission distances. However, there exist no known results on quantifying the performance gains from deploying many…

网络与互联网体系结构 · 计算机科学 2012-04-09 Seunghyun Lee , Kaibin Huang

Cell-free (CF) massive multiple-input-multiple-output (mMIMO) deployments are usually investigated with half-duplex nodes and high-capacity fronthaul links. To leverage the possible gains in throughput and energy efficiency (EE) of…

信号处理 · 电气工程与系统科学 2021-12-13 Soumyadeep Datta , Dheeraj Naidu Amudala , Ekant Sharma , Rohit Budhiraja , Shivendra S. Panwar

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

信号处理 · 电气工程与系统科学 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

Full Duplex (FD) communication can revolutionize wireless communications as it avoids using independent channels for bi-directional communications. This work generalizes the point-to-point FD communication in millimeter wave (mmWave) band…

信息论 · 计算机科学 2022-01-06 Chandan Kumar Sheemar , Dirk Slock

In this paper, we propose a virtual full-duplex (VFD) technique with zero-interval modulation and sampling (ZIMS), where two half-duplex (HD) transceivers can simultaneously transmit signals and each transceiver can effectively receive the…

信号处理 · 电气工程与系统科学 2024-07-25 Jianyu Wang , Wenchi Cheng , Wei Zhang , Hailin Zhang

Cell-free (CF) architecture and full-duplex (FD) communication are leading candidates for next-generation wireless networks. The CF framework removes cell boundaries in traditional cell-based systems, thereby mitigating inter-cell…

信号处理 · 电气工程与系统科学 2024-12-09 Diluka Galappaththige , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou , Chintha Tellambura

In this paper we investigate the benefit of base station (BS) cooperation in the uplink of coordinated multi-point (CoMP) networks. Our figure of merit is the required BS density required to meet a chosen rate coverage. Our model assumes a…

信息论 · 计算机科学 2016-11-15 S. Alireza Banani , Raviraj Adve

Heterogeneous networks (HetNets) as a combination of macro cells and small cells are used to increase the cellular network's capacity, and present a perfect solution for high-speed communications. Increasing area spectrum efficiency and…

网络与互联网体系结构 · 计算机科学 2019-07-29 Leila Marandi , Mansour Naslcheraghi , Seyed Ali Ghorashi , Mohammad Shikh-Bahaei

In this paper, we present a comparative study of half-duplex (HD) access points (APs) with dynamic time-division duplex (DTDD) and full-duplex (FD) APs in cell-free (CF) systems. Although both DTDD and FD CF systems support concurrent…

信号处理 · 电气工程与系统科学 2024-02-01 Anubhab Chowdhury , Chandra R. Murthy

Relay systems improve both coverage and system capacity. Towards this direction, full-duplex (FD) technology, being able to boost the spectral efficiency by transmitting and receiving simultaneously on the same frequency and time resources,…

信息论 · 计算机科学 2018-06-15 Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah

Full-duplex (FD) communication has received great interest in recent years due to the potential of doubling the spectral efficiency. However, how to alleviate the detrimental effects of the residual self-interference (RSI) incurred by the…

信息论 · 计算机科学 2018-03-06 Cheng Li , Bin Xia , Pihe Hu , Yao Yao