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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

This paper studies energy-efficient coordinated beamforming in multi-cell multi-user multigroup multicast multiple-input single-output systems. We aim at maximizing the network energy efficiency by taking into account the fact that some of…

Information Theory · Computer Science 2017-07-06 Oskari Tervo , Le-Nam Tran , Harri Pennanen , Symeon Chatzinotas , Markku Juntti , Björn Ottersten

The adoption of smart / adaptive antenna techniques in future wireless systems is expected to have a significant impact on the efficient use of the spectrum, the minimization of the cost of establishing new wireless networks, the…

Networking and Internet Architecture · Computer Science 2012-04-10 R. K. Jain , Sumit Katiyar , N. K. Agrawal

This paper investigates the throughput for wireless network with full-duplex radios using stochastic geometry. Full-duplex (FD) radios can exchange data simultaneously with each other. On the other hand, the downside of FD transmission is…

Information Theory · Computer Science 2015-02-27 Zhen Tong , Martin Haenggi

Heterogeneous networks (HetNets) with offloading is considered as an effective way to meet the high data rate demand of future wireless service. However, the offloaded users suffer from strong inter-tier interference, which reduces the…

Information Theory · Computer Science 2015-02-27 Yueping Wu , Ying Cui , Bruno Clerckx

Flexible coupler is a promising solution for enhancing wireless network capacity by moving passive couplers around a fixed-position active antenna to reshape the induced currents on passive elements. Motivated by this, this paper proposes a…

Information Theory · Computer Science 2026-02-24 Xiaodan Shao , Yixiao Zhang , Nan Cheng , Weihua Zhuang , Xuemin Shen

Cell-free Massive MIMO (multiple-input multiple-output) refers to a distributed Massive MIMO system where all the access points (APs) cooperate to coherently serve all the user equipments (UEs), suppress inter-cell interference and mitigate…

Information Theory · Computer Science 2019-09-09 Giovanni Interdonato , Hien Quoc Ngo , Pål Frenger , Erik G. Larsson

Self-interference (SI) is the main obstacle to full-duplex radios. To overcome the SI, researchers have proposed several analog and digital domain self-interference cancellation (SIC) techniques. How well the digital cancellation works…

Signal Processing · Electrical Eng. & Systems 2019-05-24 Jong Woo Kwak , Min Soo Sim , In-Woong Kang , Jong Sung Park , Jaedon Park , Chan-Byoung Chae

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

The employment of partial zero-forcing (PZF) receivers at the base stations represents an efficient and low-complexity technique for uplink interference management in cellular networks. In this paper, we focus on the performance analysis of…

Information Theory · Computer Science 2016-11-24 Italo Atzeni , Marios Kountouris

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

The wireless in-band full-duplex (IBFD) technology can in theory double the system capacity over the conventional frequency division duplex (FDD) or time-division duplex (TDD) alternatives. But the strong self-interference of the IBFD can…

Signal Processing · Electrical Eng. & Systems 2022-11-23 Wei Zhang , Yi Jiang , Bin Zhou

The wide bandwidths offered at millimeter-wave (mmWave) frequencies have made them an attractive choice for future wireless communication systems. Recent works have presented beamforming strategies for enabling in-band full-duplex (FD)…

Signal Processing · Electrical Eng. & Systems 2019-10-29 Ian P. Roberts , Hardik B. Jain , Sriram Vishwanath

A multicell-coordinated beamforming solution for massive multiple-input multiple-output orthogonal frequency-division multiplexing (OFDM) systems is presented when employing low-resolution data converters and per-antenna level constraints.…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Yunseong Cho , Jinseok Choi , Brian L. Evans

In this paper we provide an overview regarding the feasibility of in-band full-duplex transceivers under imperfect RF components. We utilize results and findings from the recent research on full-duplex communications, while introducing also…

Information Theory · Computer Science 2014-09-05 Dani Korpi , Lauri Anttila , Mikko Valkama

This paper introduces new approaches for combining non-orthogonal multiple access with distributed antenna systems. The study targets a minimization of the total transmit power in each cell, under user rate and power multiplexing…

Signal Processing · Electrical Eng. & Systems 2018-10-22 Joumana Farah , Antoine Kilzi , Charbel Abdel Nour , Catherine Douillard

Reconfigurable intelligent surfaces (RIS) are a key enabler of various new applications in 6G smart radio environments. By utilizing an RIS prototype system, this paper aims to enhance self-interference (SI) cancellation for in-band…

Signal Processing · Electrical Eng. & Systems 2022-08-31 Simon Tewes , Markus Heinrichs , Paul Staat , Rainer Kronberger , Aydin Sezgin

We present a beamforming algorithm for multiuser wideband millimeter wave (mmWave) communication systems where one access point uses hybrid analog/digital beamforming while multiple user stations have phased-arrays with a single RF chain.…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Carlos A. Viteri-Mera , Fernando L. Teixeira

Neural network modeling is a key technology of science and research and a platform for deployment of algorithms to systems. In wireless communications, system modeling plays a pivotal role for interference cancellation with specifically…

Signal Processing · Electrical Eng. & Systems 2024-10-02 Gerald Enzner , Aleksej Chinaev , Svantje Voit , Aydin Sezgin

In this paper, we analytically study the regime in which practical full-duplex systems can achieve larger rates than an equivalent half-duplex systems. The key challenge in practical full-duplex systems is uncancelled self-interference…

Information Theory · Computer Science 2014-01-27 Elsayed Ahmed , Ahmed Eltawil , Ashutosh Sabharwal