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相关论文: Beamforming and Resource Allocation for Multi-User…

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We consider a multiuser wireless system with a full-duplex hybrid access point (HAP) that transmits to a set of users in the downlink channel, while receiving data from a set of energy-constrained sensors in the uplink channel. We assume…

信息论 · 计算机科学 2017-04-11 Mohammadali Mohammadi , Batu K. Chalise , Himal A. Suraweera , Zhiguo Ding

We consider a multi-user (MU) full-duplex (FD) multiple-input multiple-output (MIMO) communication system, in which the base station transceiver is equipped with transmit and receive position reconfigurable antennas (PRAs) to mitigate both…

信号处理 · 电气工程与系统科学 2025-11-06 Chengjie Zhao , Yuanzhe Gong , Tho Le-Ngoc

Wirelessly-powered sensor networks (WPSNs) are becoming increasingly important in different monitoring applications. We consider a WPSN where a multiple-antenna base station, which is dedicated for energy transmission, sends pilot signals…

网络与互联网体系结构 · 计算机科学 2020-01-27 Rong Du , Hossein Shokri Ghadikolaei , Carlo Fischione

This paper considers an ambient backscatter communication (AmBC) network in which a full-duplex access point (FAP) simultaneously transmits downlink orthogonal frequency division multiplexing (OFDM) signals to its legacy user (LU) and…

信息论 · 计算机科学 2018-06-19 Gang Yang , Dongdong Yuan , Ying-Chang Liang , Rui Zhang , Victor C. M. Leung

Mobile-edge computing (MEC) and wireless power transfer (WPT) have been recognized as promising techniques in the Internet of Things (IoT) era to provide massive low-power wireless devices with enhanced computation capability and…

信息论 · 计算机科学 2017-12-19 Feng Wang , Jie Xu , Xin Wang , Shuguang Cui

This letter studies a multi-antenna wireless powered communication (WPC) system with co-channel energy and information transfer, where a wireless device (WD), powered up by wireless energy transfer (WET) from an energy transmitter (ET),…

信息论 · 计算机科学 2015-10-23 Yueling Che , Jie Xu , Lingjie Duan , Rui Zhang

In a wireless powered communication network (WPCN), an energy access point supplies the energy needs of the network nodes through radio frequency wave transmission, and the nodes store the received energy in their batteries for their future…

信号处理 · 电气工程与系统科学 2018-11-27 Mohammad Movahednasab , Naeimeh Omidvar , Mohammad Reza Pakravan , Tommy Svensson

A large-scale distributed antenna system that serves the users by coherent joint transmission is called Cell-free Massive MIMO (multiple input multiple output). For a given user set, only a subset of the access points (APs) is likely needed…

信息论 · 计算机科学 2019-11-27 Trinh Van Chien , Emil Björnson , Erik G. Larsson

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

信息论 · 计算机科学 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

We study a heterogeneous wireless sensor network (WSN) where N heterogeneous access points (APs) gather data from densely deployed sensors and transmit their sensed information to M heterogeneous fusion centers (FCs) via multi-hop wireless…

信息论 · 计算机科学 2021-09-09 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

With its privacy preservation and communication efficiency, federated learning (FL) has emerged as a promising learning framework for beyond 5G wireless networks. It is anticipated that future wireless networks will jointly serve both FL…

信号处理 · 电气工程与系统科学 2022-05-24 Muhammad Farooq , Tung Thanh Vu , Hien Quoc Ngo , Le-Nam Tran

The combination of mobile edge computing (MEC) and radio frequency-based wireless power transfer (WPT) presents a promising technique for providing sustainable energy supply and computing services at the network edge. This study considers a…

信息论 · 计算机科学 2024-02-28 Yang Li , Xing Zhang , Bo Lei , Qianying Zhao , Min Wei , Zheyan Qu , Wenbo Wang

We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting. Specifically, we study a massive multiple-input multiple…

Wireless powered communication networks (WPCNs), where multiple energy-limited devices first harvest energy in the downlink and then transmit information in the uplink, have been envisioned as a promising solution for the future…

信息论 · 计算机科学 2018-01-30 Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng , Robert Schober

This correspondence considers a full-duplex (FD) point-to-point system consisting of one multi-antenna full-duplex access point (FD-AP) and one two-antenna full-duplex mobile station (FD-MS). We adopt simultaneous wireless information and…

网络与互联网体系结构 · 计算机科学 2016-07-01 Zhongwei Hu , Chaowei Yuan , Fengchao Zhu , Feifei Gao

This paper studies a relay-assisted wireless powered communication network (R-WPCN) consisting of multiple source-destination pairs and a hybrid relay node (HRN). We consider a "charge-then-forward" protocol at the HRN, in which the HRN…

信息论 · 计算机科学 2018-06-27 Mengyu Liu , Yuan Liu

Wireless powered communication networks are becoming an effective solution for improving self sustainability of mobile devices. In this context, a hybrid access point transfers energy to a group of nodes, which use the harvested energy to…

信息论 · 计算机科学 2016-01-29 Alessandro Biason , Michele Zorzi

In this paper, we consider a solar-powered Access Point (AP) that is tasked with supporting both non-energy harvesting or legacy data users such as laptops, and devices with Radio Frequency (RF)-energy harvesting and sensing capabilities.…

网络与互联网体系结构 · 计算机科学 2021-12-22 Yizhou Luo , Kwan-Wu Chin

As Internet of Things (IoT) devices proliferate, sustainable methods for powering them are becoming indispensable. The wireless provision of power enables battery-free operation and is crucial for complying with weight and size…

信息论 · 计算机科学 2024-06-04 Kenneth M. Mayer , Laura Cottatellucci , Robert Schober

In this paper, we study the resource allocation algorithm design for multiuser orthogonal frequency division multiplexing (OFDM) downlink systems with simultaneous wireless information and power transfer. The algorithm design is formulated…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober