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In this paper, we investigate energy harvesting capabilities of non-orthogonal multiple access (NOMA) scheme integrated with the conventional time division multiple access (TDMA) scheme, which is referred to as hybrid TDMA-NOMA system. In a…

Wireless power transfer has been proposed as a key technology for the foreseen machine type networks. A main challenge in the research community lies in acquiring a simple yet accurate model to capture the energy harvesting performance. In…

信号处理 · 电气工程与系统科学 2024-03-12 Eleni Demarchou , Zulqarnain Bin Ashraf , Dieff Vital , Besma Smida , Constantinos Psomas , Ioannis Krikidis

In this paper, we study an active IRS-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, an active IRS is deployed to assist a multi-antenna access point (AP) to convey information and energy…

信息论 · 计算机科学 2022-08-05 Ying Gao , Qingqing Wu , Guangchi Zhang , Wen Chen , Derrick Wing Kwan Ng , Marco Di Renzo

With the development of Internet of Things (IoT), demands of power and data for IoT devices increase drastically. In order to resolve the supply-demand contradiction, simultaneous wireless information and power transfer (SWIPT) has been…

新兴技术 · 计算机科学 2024-01-05 Yunfeng Bai , Qingwen Liu , Xin Wang , Yudan Gou , Bin Zhou , Zhiyong Bu

Simultaneous Wireless Information and Power Transfer (SWIPT) is subject to nonlinearity at the energy harvester that leads to significant changes to transmit signal designs compared to conventional wireless communications. In this paper,…

信息论 · 计算机科学 2018-05-11 Morteza Varasteh , Borzoo Rassouli , Hamdi Joudeh , Bruno Clerckx

This letter investigates a multiple-input multiple-output (MIMO) wireless power transfer (WPT) system under practical non-liner energy harvesting (EH) models. We propose a new generic energy receiver (ER) architecture consisting of $N$…

信号处理 · 电气工程与系统科学 2019-01-30 Ganggang Ma , Jie Xu , Yong Zeng , Mohammad R. Vedady Moghadam

Reconfigurable intelligent surface (RIS) is a revolutionary technology to enhance both the spectral efficiency and energy efficiency of wireless communication systems. However, most of the existing contributions mainly focused on the study…

信息论 · 计算机科学 2023-01-11 Hong Ren , Zhiwei Chen , Guosheng Hu , Zhangjie Peng , Cunhua Pan , Jiangzhou Wang

Wireless power transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, machine-to-machine communications and radio frequency identification networks. Although there has…

信息论 · 计算机科学 2016-05-05 Yang Huang , Bruno Clerckx

Cognitive radio (CR) and non-orthogonal multiple access (NOMA) are two promising technologies in the next generation wireless communication systems. The security of a NOMA CR network (CRN) is important but lacks of study. In this paper, a…

信息论 · 计算机科学 2018-02-13 Fuhui Zhou , Zheng Chu , Haijian Sun , Victor C. M. Leung

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is proposed. More particularly, an STAR-RIS is deployed to assist in the…

信息论 · 计算机科学 2024-03-25 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

This paper investigates a novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered simultaneous wireless information and power transfer (SWIPT) system with multiple information decoding (ID) and energy harvesting…

信号处理 · 电气工程与系统科学 2025-11-25 Yuan Guo , Wen Chen , Yanze Zhu , Zhendong Li , Qiong Wu , Kunlun Wang

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a cutting-edge concept for the sixth-generation (6G) wireless networks. In this paper, we propose a novel system that incorporates STAR-RIS with…

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fundamental paradigm shift from conventional far-field…

信号处理 · 电气工程与系统科学 2023-05-23 Yunpu Zhang , Changsheng You , Weijie Yuan , Fan Liu , Rui Zhang

With the wireless communication being more various in the future, it's becoming challenging to prolong the lifetime of many battery powered devices, since frequently replacing their batteries is a cumbersome job. An hybrid access point…

系统与控制 · 电气工程与系统科学 2020-02-24 Yizhe Zhao , Jie Hu , Duohua Wang , Kun Yang

This paper investigates the simultaneous wireless power and information transfer (SWPIT) for network-coded two-way re- lay transmission from an information theoretical viewpoint, where two sources exchange information via an energy har-…

信息论 · 计算机科学 2014-12-30 Ke Xiong , Pingyi Fan , Khaled Ben Letaief

Non-orthogonal multiple access (NOMA) has been widely recognized as a promising way to scale up the number of users, enhance the spectral efficiency, and improve the user fairness in wireless networks, by allowing more than one user to…

信息论 · 计算机科学 2019-08-06 Mojtaba Vaezi , Gayan Amarasuriya , Yuanwei Liu , Ahmed Arafa , Fang Fang , Zhiguo Ding

The efficiency of wireless information and power transfer (WIPT) systems requires an essential reevaluation and rethinking of the entire transceiver chain, which is characterized by a bottom-up multi-layer design approach. In this paper, we…

信号处理 · 电气工程与系统科学 2022-04-13 Ioannis Krikidis , Constantinos Psomas

In this paper, we propose a generalized framework that combines the cognitive radio (CR) techniques for spectrum sharing and the simultaneous wireless information and power transfer (SWIPT) for energy harvesting (EH) in the conventional…

信息论 · 计算机科学 2019-10-02 Changick Song , Hoon Lee , Kyoung-Jae Lee

This paper investigates a three-node amplify-and-forward (AF) multiple-input multiple-output (MIMO) relay network, where an autonomous relay harvests power from the source information flow and is further helped by an energy flow in the form…

信息论 · 计算机科学 2015-02-25 Yang Huang , Bruno Clerckx

In this paper, we provide an overview of the recent advances in microwave-enabled wireless energy transfer (WET) technologies and their applications in wireless communications. Specifically, we divide our discussions into three parts.…

网络与互联网体系结构 · 计算机科学 2014-07-03 Suzhi Bi , Chin Keong Ho , Rui Zhang
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