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This paper considers a multi-way massive multiple-input multiple-output relaying system, where single-antenna users exchange their information-bearing signals with the help of one relay station equipped with unconventionally many antennas.…

Information Theory · Computer Science 2016-11-04 Chung Duc Ho , Hien Quoc Ngo , Michail Matthaiou , Trung Q. Duong

Reconfigurable intelligent Surfaces (RIS) and half-duplex decoded and forwarded (DF) relays can collaborate to optimize wireless signal propagation in communication systems. Users typically have different rate demands and are clustered into…

Information Theory · Computer Science 2025-06-04 Huijun Tang , Jieling Zhang , Zhidong Zhao , Huaming Wu , Hongjian Sun , Pengfei Jiao

Intelligent reflecting surface (IRS) is a promising technology to deliver the higher spectral and energy requirements in fifth-generation (5G) and beyond wireless networks while shaping the propagation environment. Such a design can be…

Information Theory · Computer Science 2022-06-30 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Konstantinos Ntontin , Symeon Chatzinotas

In this work, we consider a dual-hop, decode-and-forward network where the relay can operate in full- duplex (FD) or half-duplex (HD) mode. We model the residual self-interference as an additive Gaussian noise with variance proportional to…

Information Theory · Computer Science 2017-08-07 Alessandro Nordio , Carla Fabiana Chiasserini , Emanuele Viterbo

Full-duplex communication has the potential to substantially increase the throughput in wireless networks. However, the benefits of full-duplex are still not well understood. In this paper, we characterize the full-duplex rate gains in both…

Information Theory · Computer Science 2016-06-10 Jelena Marašević , Jin Zhou , Harish Krishnaswamy , Yuan Zhong , Gil Zussman

In this work, we propose a low-cost rate splitting (RS) technique for a multi-user multiple-input single-output (MISO) system operating in frequency division duplex (FDD) mode. The proposed iterative optimisation algorithm only depends on…

Signal Processing · Electrical Eng. & Systems 2024-11-05 Sadaf Syed , Donia Ben Amor , Michael Joham , Wolfgang Utschick

The potential of doubling the spectrum efficiency of full-duplex (FD) transmission motivates us to investigate FD millimeter-wave (FD-mmWave) communication. To realize FD transmission in the mmWave band, we first introduce possible antenna…

Information Theory · Computer Science 2017-09-26 Zhenyu Xiao , Pengfei Xia , Xiang-Gen Xia

This paper aims to explore the feasibility of the spectrum sharing between the communication and radar system. We investigate the full-duplex (FD) joint radar and communication multi-antenna system in which a node labeled ComRad with a dual…

Information Theory · Computer Science 2022-10-25 Yinghong Guo , Cheng Li , Chaoxian Zhang , Yao Yao , Bin Xia

We consider the downlink of a multi-cell massive MIMO system suffering from asymptotic rate saturation due to pilot contamination. As opposed to treating pilot contamination interference as noise (TIN), we study the performance of decoding…

Information Theory · Computer Science 2022-08-09 Meysam Shahrbaf Motlagh , Subhajit Majhi , Patrick Mitran , Hideki Ochiai

In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) wireless multi-relay network, in which a source-destination pair both equipped with multiple antennas communicates through multiple half-duplex amplify-and-forward…

Signal Processing · Electrical Eng. & Systems 2020-03-20 Zijian Wang , Wen Chen

In this paper, a symbol-level selective transmission for virtual full-duplex (FD) relaying networks is proposed, which aims to mitigate error propagation effects and improve system spectral efficiency. The idea is to allow two half-duplex…

Information Theory · Computer Science 2017-11-03 Jiancao Hou , Sandeep Narayanan , Na Yi , Yi Ma , Mohammad Shikh-Bahaei

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

In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) relay wireless network, in which a source-destination pair both equipped with multiple antennas communicates through a large number of half-duplex…

Networking and Internet Architecture · Computer Science 2013-02-07 Yu Zhang , Hanwen Luo , Wen Chen

While full-duplex (FD) transmission has the potential to double the system capacity, its substantial benefit can be offset by the self-interference (SI) and non-ideality of practical transceivers. In this paper, we investigate the…

Information Theory · Computer Science 2016-11-15 Zhenyu Xiao , Yao Li , Lin Bai , Jinho Choi

We propose composite decode-forward (DF) schemes for the two-way relay channel in both the full- and half-duplex modes by combining coherent relaying, independent relaying and partial relaying strategies. For the full-duplex mode, the relay…

Information Theory · Computer Science 2015-04-29 Ahmad Abu Al Haija , Peng Zhong , Mai Vu

This paper considers a multipair amplify-and-forward massive MIMO relaying system with one-bit ADCs and one-bit DACs at the relay. The channel state information is estimated via pilot training, and then utilized by the relay to perform…

Information Theory · Computer Science 2018-05-23 Chuili Kong , Amine Mezghani , Caijun Zhong , A. Lee Swindlehurst , Zhaoyang Zhang

In this paper, we consider the problem of achieving max-min fairness amongst multiple co-channel multicast groups through transmit beamforming. We explicitly focus on overloaded scenarios in which the number of transmitting antennas is…

Information Theory · Computer Science 2017-07-04 Hamdi Joudeh , Bruno Clerckx

We consider two-way amplify and forward relaying, where multiple full-duplex user pairs exchange information via a shared full-duplex massive multiple-input multiple-output (MIMO) relay. We derive closed-form lower bound for the spectral…

Information Theory · Computer Science 2017-10-04 Ekant Sharma , Rohit Budhiraja , K Vasudevan

In this paper, we consider a full-duplex (FD) amplify-and-forward (AF) relay system and optimize its power allocation and relay location to minimize the system symbol error rate (SER). We first derive the asymptotic expressions of the…

Information Theory · Computer Science 2017-03-22 Shuai Li , Kun Yang , Mingxin Zhou , Jianjun Wu , Lingyang Song , Yonghui Li , Hongbin Li

This paper considers the Sum-Rate (SR) maximization problem in downlink MU-MISO systems under imperfect Channel State Information at the Transmitter (CSIT). Contrary to existing works, we consider a rather unorthodox transmission scheme. In…

Information Theory · Computer Science 2016-08-25 Hamdi Joudeh , Bruno Clerckx
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