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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

Ultra-reliable low latency communication (URLLC) requires the packet error rate to be on the order of $10^{-9}$-$10^{-5}$. Determining the appropriate transmission rate to satisfy this ultra-reliability constraint requires deriving the…

信息论 · 计算机科学 2024-01-12 Niloofar Mehrnia , Sinem Coleri

This paper investigates the end-to-end throughput maximization problem for a two-hop multiple-relay network, with relays powered by simultaneous wireless information and power transfer (SWIPT) technique. Nonlinearity of energy harvester at…

信息论 · 计算机科学 2019-04-25 Qi Gu , Gongpu Wang , Rongfei Fan , Ning Zhang , Zhangdui Zhong

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

In this paper, we study a cooperative cognitive radio network (CCRN) where the secondary user-transmitter (SU-Tx) assists bi-directional communication between a pair of primary users (PUs) following the principle of two-way relaying. In…

网络与互联网体系结构 · 计算机科学 2019-04-03 Amrita Mukherjee , Tamaghna Acharya , Muhammad R. A. Khandaker

The energy efficiency (EE) of a multi-user multi-relay system with the maximum diversity network coding (MDNC) is studied. We explicitly find the connection among the outage probability, energy consumption and EE and formulate the…

信息论 · 计算机科学 2016-08-23 Nan Qi , Ming Xiao , Theodoros A. Tsiftsis , Mikael Skoglund , Phuong L. Cao , Lixin Li

This paper investigates the use of extreme value theory for modelling the distribution of demand-net-of-wind for capacity adequacy assessment. Extreme value theory approaches are well-established and mathematically justified methods for…

应用统计 · 统计学 2019-07-31 Amy L Wilson , Stan Zachary

High-resolution parameter estimation algorithms designed to exploit the prior knowledge about incident signals from strictly second-order (SO) non-circular (NC) sources allow for a lower estimation error and can resolve twice as many…

信息论 · 计算机科学 2015-01-07 Jens Steinwandt , Florian Roemer , Martin Haardt , Giovanni Del Galdo

We study the dynamic power splitting for simultaneous wireless information and power transfer (SWIPT) in the ergodic fading channel. Considering the nonlinearity of practical energy harvesting circuits, we adopt the realistic nonlinear…

信息论 · 计算机科学 2018-08-28 Jae-Mo Kang , Chang-Jae Chun , Il-Min Kim , Dong In Kim

In this paper, we analyze the symbol error rate (SER) performance of the simultaneous wireless information and power transfer (SWIPT) enabled three-node differential decode-and-forward (DDF) relay networks, which adopt the power splitting…

信息论 · 计算机科学 2020-05-08 Yuxin Lu , Wai Ho Mow

Semantically coherent out-of-distribution (SCOOD) detection aims to discern outliers from the intended data distribution with access to unlabeled extra set. The coexistence of in-distribution and out-of-distribution samples will exacerbate…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Fan Lu , Kai Zhu , Wei Zhai , Kecheng Zheng , Yang Cao

In this paper, we propose a state-of-the-art downlink communication transceiver design for transmissive reconfigurable metasurface (RMS)-enabled simultaneous wireless information and power transfer (SWIPT) networks. Specifically, a feed…

信号处理 · 电气工程与系统科学 2022-12-13 Zhendong Li , Wen Chen , Ziheng Zhang , Qingqing Wu , Huanqing Cao , Jun Li

A non-regenerative dual-hop wireless system based on a distributed space-time coding strategy is considered. It is assumed that each relay retransmits an appropriately scaled space-time coded version of its received signal. The main goal of…

信息论 · 计算机科学 2016-11-18 Jamshid Abouei , Hossein Bagheri , Amir K. Khandani

This paper addresses the challenge of incentivizing energy-constrained, non-cooperative user equipment (UE) to serve as cooperative relays. We consider a source UE with a non-line-of-sight channel to an access point (AP), where direct…

系统与控制 · 电气工程与系统科学 2025-04-01 Winston Hurst , Anurag Pallaprolu , Yasamin Mostofi

Simultaneous wireless information and power transfer (SWIPT) has been proposed to offer communication services and transfer power to the energy harvesting receiver (EHR) concurrently. However, existing works mainly focused on static EHRs,…

信号处理 · 电气工程与系统科学 2024-10-31 Yiming Xu , Dongfang Xu , Shenghui Song

In the Vehicular ad hoc networks (VANETs), due to the high mobility of vehicles, the network parameters change frequently and the information which the sender maintains may outdate when it wants to transmit data packet to the receiver, so…

网络与互联网体系结构 · 计算机科学 2017-09-26 Ning Li , Jose-Fernan Martinez-Ortega , Vicente Hernandez Diaz , Jose Antonio Sanchez Fernandez

Harvesting energy from the radio-frequency (RF) signal is an exciting solution to replenish energy in energy-constrained wireless networks. In this paper, an amplify-and-forward (AF) based wireless relay network is considered, where the…

信息论 · 计算机科学 2014-08-12 Jing Yan , Chao Zhang , Zhenzhen Gao

In this paper, a comprehensive performance analysis of a distributed intelligent reflective surfaces (IRSs)-aided communication system is presented. First, the optimal signal-to-noise ratio (SNR), which is attainable through the direct and…

The low efficiency of far-field wireless power transfer (WPT) limits the fundamental rate-energy (R-E) performance trade-off of the simultaneous wireless information and power transfer (SWIPT) system. To address this challenge, we propose…

信息论 · 计算机科学 2020-01-03 Qingqing Wu , Rui Zhang

Recently, energy harvesting (EH) has emerged as a promising way to realize green communications. In this paper, we investigate the multiuser transmission network with an EH cooperative relay, where a source transmits independent information…

信息论 · 计算机科学 2014-12-31 Guanyao Du , Ke Xiong , Zhengding Qiu