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In this paper, we study relay selection and power allocation in two-way relaying networks consisting of a source, a destination and multiply half-duplex decode-and-forward (DF) relays. A transmission model with three time subslots is…

Information Theory · Computer Science 2022-12-16 Gang Wang

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

In this paper, we study the outage performance of simultaneous wireless information and power transfer (SWIP- T) based three-step two-way decode-and-forward (DF) relay networks, where both power-splitting (PS) and harvest-then-forward are…

Information Theory · Computer Science 2019-01-16 Yinghui Ye , Liqin Shi , Xiaoli Chu , Hailin Zhang , Guangyue Lu

A two-hop wireless communication link in which a source sends data to a destination with the aid of an intermediate relay node is studied. It is assumed that there is no direct link between the source and the destination, and the relay…

Information Theory · Computer Science 2011-07-22 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

This paper investigates wireless information and power transfer in a full-duplex MIMO relay channel where the self-sustained relay harvests energy from both source transmit signal and self-interference signal to decode and forward source…

Signal Processing · Electrical Eng. & Systems 2019-01-31 Rafia Malik , Mai Vu

In this paper, we investigate the resource allocation algorithm design for full-duplex simultaneous wireless information and power transfer (FD-SWIPT) systems. The considered system comprises a FD radio base station, multiple single-antenna…

Information Theory · Computer Science 2016-11-17 Shiyang Leng , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

This paper considers the problem of maximizing the sum-rate for simultaneous wireless information and power transfer (SWIPT) in a full-duplex bi-directional communication system subject to energy harvesting and transmit power constraints at…

Information Theory · Computer Science 2016-11-18 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong

Wireless systems that carry delay-sensitive information (such as speech and/or video signals) typically transmit with fixed data rates, but may occasionally suffer from transmission outages caused by the random nature of the fading…

Information Theory · Computer Science 2014-04-01 Zoran Hadzi-Velkov , Nikola Zlatanov , Robert Schober

Multi-hop relaying is an economically efficient architecture for coverage extension and throughput enhancement in future wireless networks. OFDM, on the other hand, is a spectrally efficient physical layer modulation technique for broadband…

Information Theory · Computer Science 2009-01-22 Xiaolu Zhang , Meixia Tao , Wenhua Jiao , Chun Sum Ng

This paper investigates resource allocation for simultaneous wireless information and power transfer (SWIPT) downlink systems based on a non-linear energy harvesting model. The resource allocation algorithm design is formulated as a…

Information Theory · Computer Science 2016-11-17 Elena Boshkovska , Alexander Koelpin , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

Simultaneous wireless information and power transfer (SWIPT) has been recognized as a promising approach to improving the performance of energy constrained networks. In this paper, we investigate a SWIPT based three-step two-way…

Information Theory · Computer Science 2019-02-25 Liqin Shi , Wenchi Cheng , Yinghui Ye , Hailin Zhang , Rose Qingyang Hu

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

Information Theory · Computer Science 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

In this paper, we consider relay-assisted simultaneous wireless information and power transfer (SWIPT) for two-hop cooperative transmission, where a half-duplex multi-antenna relay adopts decode-and-forward (DF) relaying strategy for…

Information Theory · Computer Science 2017-06-20 Yuan Liu

Energy harvesting (EH) combined with cooperative communications constitutes a promising solution for future wireless technologies. They enable additional efficiency and increased lifetime to wireless networks. This paper investigates a…

Networking and Internet Architecture · Computer Science 2018-04-11 Ahmad Alsharoa , Hakim Ghazzai , Ahmed E Kamal , Abdullah Kadri

We consider a dual-hop wireless network where an energy constrained relay node first harvests energy through the received radio-frequency signal from the source, and then uses the harvested energy to forward the source's information to the…

Information Theory · Computer Science 2017-02-03 Onel L. Alcaraz López , Hirley Alves , Richard Demo Souza , Evelio Martín García Fernández

This paper studies a novel mobile relaying technique, where relays of high mobility are employed to assist the communications from source to destination. By exploiting the predictable channel variations introduced by relay mobility, we…

Information Theory · Computer Science 2016-01-26 Yong Zeng , Rui Zhang , Teng Joon Lim

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

This paper investigates the simultaneous wireless information and power transfer (SWIPT) in cooperative relay networks, where a relay harvests energy from the radio frequency (RF) signals transmitted by a source and then uses the harvested…

Information Theory · Computer Science 2016-11-15 Xiaofei Di , Ke Xiong , Pingyi Fan , Hongchuan Yang

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

Wireless energy transferring technology offers a constant and instantaneous power for low-power applications such as Internet of Things (IoT) to become an affordable reality. This paper considers simultaneous wireless information and power…

Signal Processing · Electrical Eng. & Systems 2019-02-08 Bhathiya Pilanawithana , Saman Atapattu , Jamie Evans