中文
相关论文

相关论文: On the precoder design of a wireless energy harves…

200 篇论文

We propose a simple yet efficient scheme for a set of energy-harvesting sensors to establish secure communication with a common destination (a master node). An eavesdropper attempts to decode the data sent from the sensors to their common…

网络与互联网体系结构 · 计算机科学 2016-12-26 Ahmed El Shafie , Naofal Al-Dhahir

In this work, communication over a time-correlated point-to-point wireless channel is studied for an energy harvesting (EH) transmitter. In this model, we take into account the time and energy cost of acquiring channel state information. At…

性能 · 计算机科学 2019-02-14 Mehdi Salehi Heydar Abad , Deniz Gunduz , Ozgur Ercetin

The problem of finding decentralized transmission policies in a wireless communication network with energy harvesting constraints is formulated and solved using the decentralized Markov decision process framework. The proposed policy…

信息论 · 计算机科学 2017-02-14 Alessandro Biason , Subhrakanti Dey , Michele Zorzi

A Wireless Sensor Network(WSN) can be described as a collection of untethered sensor nodes. An important application of WSNs is in the field of real-time communication. Real-time communication is a critical service which requires a…

网络与互联网体系结构 · 计算机科学 2013-05-13 Deepali Virmani , Dhruv Talwar , Arun Dhingra , Tushar Bahl

This paper advocates the use of the emerging distributed compressive sensing (DCS) paradigm in order to deploy energy harvesting (EH) wireless sensor networks (WSN) with practical network lifetime and data gathering rates that are…

信息论 · 计算机科学 2013-10-18 Wei Chen , Yiannis Andreopoulos , Ian J. Wassell , Miguel R. D. Rodrigues

In wireless networks, energy consumed for communication includes both the transmission and the processing energy. In this paper, point-to-point communication over a fading channel with an energy harvesting transmitter is studied considering…

信息论 · 计算机科学 2012-08-24 Oner Orhan , Deniz Gündüz , Elza Erkip

The optimization of multi-user multi-input multi-output (MU-MIMO) precoders is a widely recognized challenging problem. Existing work has demonstrated the potential of graph neural networks (GNNs) in learning precoding policies. However,…

信号处理 · 电气工程与系统科学 2025-03-11 Lin Zhang , Shengqian Han , Chenyang Yang

A novel precoding method based on supervised deep neural networks is introduced for the multiple-input multiple-output Gaussian wiretap channel. The proposed deep learning (DL)-based precoding learns the input covariance matrix through…

信息论 · 计算机科学 2019-09-18 Xinliang Zhang , Mojtaba Vaezi

This paper focuses on developing energy-efficient online data processing strategy of wireless powered MEC systems under stochastic fading channels. In particular, we consider a hybrid access point (HAP) transmitting RF energy to and…

信息论 · 计算机科学 2021-11-05 Xian Li , Suzhi Bi , Yuan Zheng , Hui Wang

In recent years, wireless communication systems are expected to achieve more cost-efficient and sustainable operations by replacing conventional fixed power supplies such as batteries with energy harvesting (EH) devices, which could provide…

信息论 · 计算机科学 2016-07-19 Hang Li , Jie Xu , Rui Zhang , Shuguang Cui

For multi-user transmissions over MIMO interference channels, each user designs the transmit covariance matrix to maximize its information rate. When passive radio-frequency (RF) energy harvesters are present in the network, the…

信息论 · 计算机科学 2017-04-14 Liang Dong

A classical result in undirected wireline networks is the near optimality of routing (flow) for multiple-unicast traffic (multiple sources communicating independent messages to multiple destinations): the min cut upper bound is within a…

信息论 · 计算机科学 2011-11-22 Sreeram Kannan , Pramod Viswanath

Energy-harvesting wireless sensor networking is an emerging technology with applications to various fields such as environmental and structural health monitoring. A distinguishing feature of wireless sensors is the need to perform both…

信息论 · 计算机科学 2015-10-15 Cristiano Tapparello , Osvaldo Simeone , Michele Rossi

In this paper, we consider a wireless powered communication system, where an energy harvesting (EH) node harvests energy from a radio frequency (RF) signal broadcasted by an access point (AP) in the downlink (DL). The node stores the…

信息论 · 计算机科学 2017-10-12 Rania Morsi , Diomidis S. Michalopoulos , Robert Schober

Efficient resource allocation with hybrid precoder design is essential for massive MIMO systems operating in millimeter wave (mmW) domain. Owing to a higher energy efficiency and a lower complexity of a partially connected hybrid…

信息论 · 计算机科学 2021-02-03 Salman Khalid , Waqas bin Abbas , Farhan Khalid

In Wireless Ad hoc networks (WANETs), nodes separated by considerable distance communicate with each other by relaying their messages through other nodes. However, it might not be in the best interests of a node to forward the message of…

网络与互联网体系结构 · 计算机科学 2015-03-05 Arka Rai Choudhuri , Kalyanasundaram S , Shriyak Sridhar , Annappa B

Wireless power transfer (WPT) has garnered increasing attention due to its potential to eliminate device-side batteries. With the advent of (distributed) multiple-input multiple-output (MIMO), radio frequency (RF) WPT has become feasible…

信号处理 · 电气工程与系统科学 2024-08-21 Gilles Callebaut , Jarne Van Mulders , Bert Cox , Liesbet Van der Perre , Lieven De Strycker , François Rottenberg

We consider a data aggregating wireless network where all nodes have data to send to a single destination node, the sink. We consider a linear placement of nodes with the sink at one end. The nodes communicate directly to the sink (single…

网络与互联网体系结构 · 计算机科学 2013-02-14 Easwar Vivek Mangipudi , Venkatesh Ramaiyan , Srikrishna Bhashyam

A wireless system with multiple channels is considered, where each channel has several transmission states. A user learns about the instantaneous state of an available channel by transmitting a control packet in it. Since probing all…

数据结构与算法 · 计算机科学 2008-04-11 Sudipto Guha , Kamesh Munagala , Saswati Sarkar

This paper investigates the simultaneous wireless information and power transfer (SWIPT) precoding scheme for K-user multiple-input-multiple-output (MIMO) interference channels (IC), for which interference alignment (IA) schemes provide…

信息论 · 计算机科学 2021-10-19 Navneet Garg , Avinash Rudraksh , Govind Sharma , Tharmalingam Ratnarajah
‹ 上一页 1 8 9 10 下一页 ›