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In energy harvesting (EH) relay networks, the coherent communication requires accurate estima- tion/tracking of the instantaneous channel state information (CSI) which consumes extra power. As a remedy, we propose two noncoherent EH…

信息论 · 计算机科学 2015-06-15 Peng Liu , Saeed Gazor , Il-Min Kim , Dong In Kim

In this paper, we study optimization of multi-tone signals for wireless power transfer (WPT) systems. We investigate different non-linear energy harvesting models. Two of them are adopted to optimize the multi-tone signal according to the…

信息论 · 计算机科学 2019-03-06 Boules A. Mouris , Hadi Ghauch , Ragnar Thobaben , B. L. G. Jonsson

Integrating power transfer into wireless communications for supporting simultaneous wireless information and power transfer (SWIPT) is a promising technique in energy-constrained wireless networks. While most existing work on SWIPT focuses…

信息论 · 计算机科学 2015-06-24 Yuan Liu , Xiaodong Wang

A primary challenge in wireless power transfer (WPT) systems is to achieve efficient and stable power transmission without complex control strategies when load conditions change dynamically. Addressing this issue, we propose a third-order…

Powering mobiles using microwave \emph{power transfer} (PT) avoids the inconvenience of battery recharging by cables and ensures uninterrupted mobile operation. The integration of PT and \emph{information transfer} (IT) allows wireless PT…

信息论 · 计算机科学 2014-10-07 Rahul Vaze , Jainam Doshi , Kaibin Huang

Simultaneous information and power transfer over the wireless channels potentially offers great convenience to mobile users. Yet practical receiver designs impose technical constraints on its hardware realization, as practical circuits for…

信息论 · 计算机科学 2013-09-09 Xun Zhou , Rui Zhang , Chin Keong Ho

Near-field magnetic resonance wireless power transfer (WPT) technology has garnered significant attention due to its broad application prospects in medical implants, electric vehicles, and robotics. Addressing the challenges faced by…

应用物理 · 物理学 2025-05-13 Likai Wang , Yuqian Wang , Shengyu Hu , Yunhui Li , Hong Chen , Ce Wang , Zhiwei Guo

This paper investigates a multi-input single-output (MISO) wireless powered communication network (WPCN) under the protocol of harvest-then-transmit. The power station (PS) with reliable power supply can replenish the passive user nodes by…

信息论 · 计算机科学 2014-12-30 Qian Sun , Gang Zhu , Chao Shen , Xuan Li , Zhangdui Zhong

In this paper, we propose a unified SWIPT signal and its architecture design in order to take advantage of both single tone and multi-tone signaling by adjusting only the power allocation ratio of a unified signal. For this, we design a…

信息论 · 计算机科学 2021-06-29 Jong Jin Park , Jong Ho Moon , Hyeon Ho Jang , Dong In Kim

Driven by the Internet of Things vision, recent years have seen the rise of new horizons for the wireless ecosystem in which a very large number of mobile low power devices interact to run sophisticated applications. The main hindrance to…

信息论 · 计算机科学 2018-07-10 Ayse Ipek Akin , Nafiseh Janatian , Ivan Stupia , Luc Vandendorpe

The performance of simultaneous wireless information and power transfer (SWIPT) in downlink (DL) cell-free massive multiple-input multiple-output (MIMO) is investigated. Tight approximations to the DL harvested energy and the DL/uplink (UL)…

信号处理 · 电气工程与系统科学 2020-11-17 Diluka Loku Galappaththige , Rajan Shrestha , Gayan Amarasuriya Aruma Baduge

This paper focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a…

信息论 · 计算机科学 2019-03-20 Liqin Shi , Yinghui Ye , Rose Qingyang Hu , Hailin Zhang

We studied power splitting-based simultaneous wireless information and power transfer (PS-SWIPT) in multiple access channels (MAC), considering the decoding cost and non-linear energy harvesting (EH) constraints at the receiving nodes to…

信息论 · 计算机科学 2021-11-15 Pouria Nezhadmohammad , Mohsen Abedi , Mohammad Javad Emadi , Risto Wichman

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

This paper studies the simultaneous wireless information and power transfer (SWIPT) in a multiuser wireless system, in which distributed transmitters send independent messages to their respective receivers, and at the same time…

信息论 · 计算机科学 2016-11-18 Seunghyun Lee , Liang Liu , Rui Zhang

This paper analyzes the communication between two energy harvesting wireless sensor nodes. The nodes use automatic repeat request and forward error correction mechanism for the error control. The random nature of available energy and…

信息论 · 计算机科学 2017-10-26 Animesh Yadav , Mathew Goonewardena , Wessam Ajib , Octavia A. Dobre , Halima Elbiaze

This paper investigates the simultaneous wireless information and power transfer (SWIPT) for two-hop orthogonal frequency division multiplexing (OFDM) decode-and-forward (DF) relay communication system, where a relay harvests energy from…

信息论 · 计算机科学 2014-07-10 Xiaofei Di , Ke Xiong , Zhengding Qiu

This paper studies a cognitive or secondary multi-antenna wireless power transfer (WPT) system over a multi-carrier channel, which shares the same spectrum with a primary wireless information transfer (WIT) system that employs adaptive…

信息论 · 计算机科学 2019-03-22 Tianxin Feng , Ganggang Ma , Jie Xu

We propose a new simultaneous wireless information and power transfer (SWIPT) technique that embeds information bits in the tone-index of multisine waveforms. By varying the number of subcarriers of the transmitted bandwidth-constrained…

信息论 · 计算机科学 2019-09-04 Ioannis Krikidis , Constantinos Psomas

In this paper, we analyze the performance of a time-slotted multi-antenna wireless powered communication (WPC) system, where a wireless device first harvests radio frequency (RF) energy from a power station (PS) in the downlink to…

信息论 · 计算机科学 2017-05-19 Rania Morsi , Elena Boshkovska , Esmat Ramadan , Derrick Wing Kwan Ng , Robert Schober