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We propose a novel transmission protocol for harvest-then-transmit wireless powered communication networks, which takes into account the non-linearity of the energy harvesting (EH) process at the EH users and maximizes the sum rate in the…

信息论 · 计算机科学 2021-08-17 Slavche Pejoski , Zoran Hadzi-Velkov , Robert Schober

Due to the unique physical-layer characteristics associated with MIMO and cognitive radio (CR), the network performance is tightly coupled with mechanisms at the physical, link, network, and transport layers. In this paper, we consider an…

网络与互联网体系结构 · 计算机科学 2016-11-17 Weiqiang Xu , Wenchu Yuan , Qingjiang Shi , Xiaodong Wang , Yake Zhang

In this paper, we consider a wireless powered communication network (WPCN) consisting of a multi-antenna hybrid access point (HAP) that transfers wireless energy to and receives sensing data from a cluster of low-power wireless devices…

网络与互联网体系结构 · 计算机科学 2017-07-12 Lina Yuan , Suzhi Bi , Shengli Zhang , Xiaohui Lin , Hui Wang

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

This paper considers an active intelligent reflecting surface (IRS)-aided wireless powered communication network (WPCN), where devices first harvest energy and then transmit information to a hybrid access point (HAP). Different from the…

信息论 · 计算机科学 2022-01-12 Piao Zeng , Deli Qiao , Qingqing Wu , Yuan Wu

Energy harvesting (EH) from ambient radio-frequency (RF) electromagnetic waves is an efficient solution for fully autonomous and sustainable communication networks. Most of the related works presented in the literature are based on specific…

信息论 · 计算机科学 2016-11-18 Ioannis Krikidis

In this paper, the performance of a dual-hop energy harvesting-based fixed-gain amplify-and-forward (AF) relaying communication system, subject to fading impairments, is investigated. We consider a source node ($S$) communicating with a…

We consider a cooperative non-orthogonal multiple access system with radio frequency energy harvesting, in which a user with good channel harvests energy from its received signal and serves as a decode-and-forward relay for enhancing the…

信息论 · 计算机科学 2018-06-07 Binh Van Nguyen , Quang-Doanh Vu , Kiseon Kim

The dual-functional radar-communication (DFRC) system is an attractive technique, since it can support both wireless communications and radar by a unified hardware platform with real-time cooperation. Considering the appealing feature of…

信号处理 · 电气工程与系统科学 2021-12-21 Yu Cao , QiYue Yu

This paper deals with joint source-relay-destination beamforming (BF) design for an amplify-and-forward (AF) relay network. Considering the channel state information (CSI) from the relay to the destination is imperfect, we first aim to…

信号处理 · 电气工程与系统科学 2020-03-04 Hongying Tang , Wen Chen , Jun Li

Cell-free (CF) massive multiple-input-multiple-output (mMIMO) deployments are usually investigated with half-duplex nodes and high-capacity fronthaul links. To leverage the possible gains in throughput and energy efficiency (EE) of…

信号处理 · 电气工程与系统科学 2021-12-13 Soumyadeep Datta , Dheeraj Naidu Amudala , Ekant Sharma , Rohit Budhiraja , Shivendra S. Panwar

In this paper, a cooperative communication network based on energy-harvesting (EH) decode-and-forward (DF) relays is proposed. For relay nodes, there is harvest-storage-use (HSU) structure in this system. And energy can be obtained from the…

计算机与社会 · 计算机科学 2023-11-17 Hanyu Liu , Lei Teng , Wannian An , Xiaoqi Qin , Chen Dong , Xiaodong Xu

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…

网络与互联网体系结构 · 计算机科学 2018-04-11 Ahmad Alsharoa , Hakim Ghazzai , Ahmed E Kamal , Abdullah Kadri

In this paper, a joint beamforming design for max-min fair simultaneous wireless information and power transfer (SWIPT) is investigated in a green cloud radio access network (Cloud-RAN) with millimeter wave (mmWave) wireless fronthaul. To…

信息论 · 计算机科学 2018-05-08 Zhao Chen , Haisheng Xu , Lin X. Cai , Yu Cheng

We study a contactless target probing based on stimulation by a radio frequency (RF) signal. The transmit signal is dispatched from a transmitter equipped with a two-dimensional antenna array. Then, the reflected signal from the targets are…

信息论 · 计算机科学 2019-03-01 Ali Kariminezhad , Soheil Gherekhloo , Aydin Sezgin

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks by exploiting massive number of antennas for generating pencil-like…

信号处理 · 电气工程与系统科学 2023-11-01 Yunpu Zhang , Changsheng You

This paper considers the weighted sum rate (WSR) maximized resource allocation (RA) constrained by a system sum power in an orthogonal frequency division multiple access (OFDMA) downlink transmission system assisted by multiple…

信息论 · 计算机科学 2015-05-28 Tao Wang , Luc Vandendorpe

We consider the remote estimation of a time-correlated signal using an energy harvesting (EH) sensor. The sensor observes the unknown signal and communicates its observations to a remote fusion center using an amplify-and-forward strategy.…

信息论 · 计算机科学 2016-10-11 Ayca Ozcelikkale , Tomas McKelvey , Mats Viberg

This paper studies energy efficiency (EE) and average throughput maximization for cognitive radio systems in the presence of unslotted primary users. It is assumed that primary user activity follows an ON-OFF alternating renewal process.…

信息论 · 计算机科学 2017-04-11 Gozde Ozcan , M. Cenk Gursoy , Jian Tang

In this paper, we investigate the capacity of a point-to-point, full-duplex (FD), wirelessly powered communication system impaired by self-interference. This system is comprised of an energy transmitter (ET) and an energy harvesting user…

信息论 · 计算机科学 2017-10-09 Ivana Nikoloska , Nikola Zlatanov , Zoran Hadzi-Velkov