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Related papers: Power Minimization in Multi-pair Two-Way Relaying

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In this paper, we consider a multi-pair two-way amplify-and-forward relaying system where multiple sources exchange information via a relay node equipped with large-scale antenna arrays. Given that channel estimation is non-ideal, and that…

Information Theory · Computer Science 2016-05-26 Yongyu Dai , Xiaodai Dong

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

We consider a multipair massive multiple-input multiple-output (MIMO) two-way relaying system, where multiple pairs of single-antenna devices exchange data with the help of a relay employing a large number of antennas $N$. The relay…

Information Theory · Computer Science 2017-09-12 Jiayi Zhang , Xipeng Xue , Emil Björnson , Bo Ai , Shi Jin

We consider a multi-pair amplify-and-forward relay network where the energy-constrained relays adopting time-switching protocol harvest energy from the radio frequency signals transmitted by the users for assisting user data transmission.…

Information Theory · Computer Science 2018-10-16 Kien-Giang Nguyen , Quang-Doanh Vu , Le-Nam Tran , Markku Juntti

In this paper we study the capacity region of the multi-pair bidirectional (or two-way) wireless relay network, in which a relay node facilitates the communication between multiple pairs of users. This network is a generalization of the…

Information Theory · Computer Science 2016-11-17 Salman Avestimehr , Amin Khajehnejad , Aydin Sezgin , Babak Hassibi

This paper considers a multi-pair two-way amplify-and-forward relaying system, where multiple pairs of full-duplex users are served via a full-duplex relay with massive antennas, and the relay adopts maximum-ratio combining/maximum-ratio…

Information Theory · Computer Science 2016-12-15 Zhanzhan Zhang , Zhiyong Chen , Manyuan Shen , Bin Xia , Weiliang Xie , Yong Zhao

While two-way relaying is a promising way to enhance the spectral efficiency of wireless networks, the imbalance of relay-user distances may lead to excessive wireless power at the nearby-users. To exploit the excessive power, the recently…

Information Theory · Computer Science 2017-07-11 Shuai Wang , Minghua Xia , Yik-Chung Wu

The problem of power allocation is studied for a multiple-input multiple-output (MIMO) decode-and-forward (DF) two-way relaying system consisting of two source nodes and one relay. It is shown that achieving maximum sum-rate in such a…

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

The problem of minimizing the total power consumption while satisfying different quality-of-service (QoS) requirements in a two-hop multiple-input multiple-output network with a single non-regenerative relay is considered. As shown by Y.…

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

We consider a two-way half-duplex relaying system where multiple pairs of single antenna users exchange information assisted by a multi-antenna relay. Taking into account the practical constraint of imperfect channel estimation, we study…

Information Theory · Computer Science 2016-07-07 Chuili Kong , Caijun Zhong , Michail Matthaiou , Emil Björnson , Zhaoyang Zhang

We consider a multipair two-way relay communication network, where pairs of user devices exchange information via a relay system. The communication between users employs time division duplex, with all users transmitting simultaneously to…

Information Theory · Computer Science 2018-07-24 Muris Sarajlic , Liang Liu , Fredrik Rusek , Farhana Sheikh , Ove Edfors

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

With the help of an in-band full-duplex relay station, it is possible to simultaneously transmit and receive signals from multiple users. The performance of such system can be greatly increased when the relay station is equipped with a…

Information Theory · Computer Science 2016-11-17 João S. Lemos , Francisco Rosário , Francisco A. Monteiro , João Xavier , António Rodrigues

Hardware impairments, such as phase noise, quantization errors, non-linearities, and noise amplification, have baneful effects on wireless communications. In this paper, we investigate the effect of hardware impairments on multipair massive…

Information Theory · Computer Science 2017-08-03 Ying Liu , Xipeng Xue , Jiayi Zhang , Xu Li , Linglong Dai , Shi Jin

This paper considers a two-hop network consisting of a source, two parallel half-duplex relay nodes, and two destinations. While the destinations have an adequate power supply, the source and relay nodes rely on harvested energy for data…

Signal Processing · Electrical Eng. & Systems 2018-03-06 Sharief Abdel-Razeq , Ming Zhao , Shengli Zhou , Zhengdao Wang

This paper studies the outage probability minimization problem for a multiple relay network with energy harvesting constraints. The relays are hybrid nodes used for simultaneous wireless information and power transfer from the source radio…

Information Theory · Computer Science 2016-11-15 M. Majid Butt , Adnan Nasir , Amr Mohamed , Mohsen Guizani

This study considers an orthogonal frequency-division multiple-access (OFDMA)-based multi-user two-way relay network where multiple mobile stations (MSs) communicate with a common base station (BS) via multiple relay stations (RSs). We…

Information Theory · Computer Science 2012-01-04 Hao Zhang , Yuan Liu , Meixia Tao

This paper considers multiple-input multiple-output (MIMO) relay communication in multi-cellular (interference) systems in which MIMO source-destination pairs communicate simultaneously. It is assumed that due to severe attenuation and/or…

Information Theory · Computer Science 2017-03-28 Muhammad R A Khandaker , Kai-Kit Wong

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

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
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