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The in-band Full Duplex (FD) technology is lately gaining attention as an enabler for the emerging paradigm of Integrated Sensing and Communications (ISAC), which envisions seamless integration of sensing mechanisms for unconnected entities…

Information Theory · Computer Science 2025-07-18 George C. Alexandropoulos , Ioannis Gavras

The remarkable promise of multiple-input multiple-output (MIMO) wireless channels has motivated an intense research activity to characterize the theoretical and practical issues associated with the design of transmit (source) and receive…

Information Theory · Computer Science 2013-03-13 Luca Sanguinetti , Antonio A. D'Amico , Yue Rong

In this paper, the filter-and-forward (FF) relay design for orthogonal frequency-division multiplexing (OFDM) transmission systems is considered to improve the system performance over simple amplify-and-forward (AF) relaying. Unlike…

Information Theory · Computer Science 2015-03-20 Donggun Kim , Junyeong Seo , Youngchul Sung

In this paper, we investigate the robust transceiver design for dual-hop amplify-and-forward (AF) MIMO relay systems with Gaussian distributed channel estimation errors. Aiming at maximizing the mutual information under imperfect channel…

Information Theory · Computer Science 2016-11-17 Chengwen Xing , Zesong Fei , Yik-Chung Wu , Shaodan Ma , Jingming Kuang

Maximizing the minimum rate for a full-duplex multiple-input multiple-output (MIMO) wireless network encompassing two sources and a two-way (TW) relay operating in a two hop manner is investigated. To improve the overall performance, using…

Signal Processing · Electrical Eng. & Systems 2020-04-06 Erfan Khordad , Ata Khalili , Soroush Akhlaghi

Modular extremely large-scale MIMO (XL-MIMO) architectures combined with wireless fronthaul provide a scalable alternative to monolithic arrays, but their performance is sensitive to hardware impairments and resource allocation strategies.…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Özlem Tuğfe Demir

In this paper, multi-stream transmission in interference networks aided by multiple amplify-and-forward (AF) relays in the presence of direct links is considered. The objective is to minimize the sum power of transmitters and relays by…

Signal Processing · Electrical Eng. & Systems 2018-12-31 Cenk M. Yetis , Ronald Y. Chang

This paper investigates the benefits of Amplify-and-Forward (AF) relaying in the setup of multi-antenna wireless networks. The concept of Random Sequential (RS) relaying is previously introduced in the literature and showed that it achieves…

Information Theory · Computer Science 2009-12-22 Shahab Oveis Gharan , Alireza Bayesteh , Amir K. Khandani

Mobile edge caching (MEC) has received much attention as a promising technique to overcome the stringent latency and data hungry requirements in the future generation wireless networks. Meanwhile, full-duplex (FD) transmission can…

Information Theory · Computer Science 2019-11-01 Thang X. Vu , Symeon Chatzinotas , Björn Ottersten , Anh Vu Trinh

In this paper, we consider a large scale multiple input multiple output (LS-MIMO) relaying system, where an information source sends the message to its intended destination aided by an LS-MIMO relay, while a passive eavesdropper tries to…

Information Theory · Computer Science 2015-05-13 Xiaoming Chen , Lei Lei , Huazi Zhang , Chau Yuen

We study the maximum achievable rate of a two-hop amplified-and-forward (AF) relaying millimeter-wave (mm-wave) system, where two AF relaying schemes, i.e., half-duplex (HD) and full-duplex (FD) are discussed. By considering the two-ray…

Networking and Internet Architecture · Computer Science 2017-10-24 Guang Yang , Ming Xiao

In this paper, we consider a two-hop one-way relay network for multigroup multicast transmission between long-distance users, in which the relay is equipped with multiple antennas, while the transmitters and receivers are all with a single…

Information Theory · Computer Science 2016-03-18 Sissi Xiaoxiao Wu , Qiang Li , Anthony Man-Cho So , Wing-Kin Ma

In this paper, we propose a wideband Full Duplex (FD) Multiple-Input Multiple-Output (MIMO) communication system comprising of an FD MIMO node simultaneously communicating with two multi-antenna UpLink (UL) and DownLink (DL) nodes utilizing…

Information Theory · Computer Science 2021-12-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

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

In this work we propose novel decision feedback (DF) detection algorithms with error propagation mitigation capabilities for multi-input multi-output (MIMO) spatial multiplexing systems based on multiple processing branches. The novel…

Information Theory · Computer Science 2013-04-18 R. C. de Lamare , D. Le Ruyet

We consider a multipair decode-and-forward relay channel, where multiple sources transmit simultaneously their signals to multiple destinations with the help of a full-duplex relay station. We assume that the relay station is equipped with…

Information Theory · Computer Science 2014-05-07 Hien Quoc Ngo , Himal A. Suraweera , Michail Matthaiou , Erik G. Larsson

In Part II of this two-part paper, a sum-rate-maximizing power allocation with minimum power consumption is found for multiple-input multiple-output (MIMO) decode-and-forward (DF) two-way relaying (TWR) in a network optimization scenario.…

Information Theory · Computer Science 2015-06-12 Jie Gao , Sergiy A. Vorobyov , Hai Jiang , Jianshu Zhang , Martin Haardt

This paper is concerned with the performance of differential amplify-and-forward (D-AF) relaying for multi-node wireless communications over time-varying Rayleigh fading channels. A first-order auto-regressive model is utilized to…

Information Theory · Computer Science 2014-04-01 M. R. Avendi , Ha H. Nguyen

Massive multiple-input-multiple-output (MIMO) transmission is a promising technology to improve the capacity and reliability of wireless systems. However, the number of antennas that can be equipped at a base station (BS) is limited by the…

Information Theory · Computer Science 2018-05-02 Qurrat-Ul-Ain Nadeem , Abla Kammoun , Mérouane Debbah , and Mohamed-Slim Alouini

In this paper, we investigate the problem of two-way relay beamforming optimization to maximize the achievable sum-rate of a simultaneous wireless information and power transfer (SWIPT) system with a full-duplex (FD) multiple-input…

Information Theory · Computer Science 2017-03-23 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong
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