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We report on the investigation of an approach for modelling light transmission through systems consisting of several jointed optical fibres, in which the analytical modelling of the waveguides was replaced by Finite Element Modelling (FEM)…

应用物理 · 物理学 2018-07-31 Natascia Castagna , Jacques Morel , Luc Testa , Sven Burger

Wireless powered mobile edge computing (WP-MEC) has been recognized as a promising solution to enhance the computational capability and sustainable energy supply for low-power wireless devices (WDs). However, when the communication links…

信息论 · 计算机科学 2023-09-08 Nana Li , Wanming Hao , Fuhui Zhou , Zheng Chu , Shouyi Yang , Pei Xiao

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

Movable antennas (MAs) represent a novel approach that enables flexible adjustments to antenna positions, effectively altering the channel environment and thereby enhancing the performance of wireless communication systems. However,…

信号处理 · 电气工程与系统科学 2025-11-25 Weijie Xiong , Jingran Lin , Kai Zhong , Liu Yang , Hongli Liu , Qiang Li , Cunhua Pan

Degrees of freedom (DoF) is studied in the downlink of a heterogenous wireless network modeled as a two-layered interference network. The first layer of the interference network is the backhaul layer between macro base stations (MB) and…

信息论 · 计算机科学 2016-09-12 Meghana Bande , Venugopal Veeravalli , Antti Tolli , Markku Juntti

This article presents several design techniques to fabricate micro-electro-mechanical systems (MEMS) using standard complementary metal-oxide semiconductor (CMOS) processes. They were applied to fabricate high yield CMOS-MEMS shielded…

仪器与探测器 · 物理学 2021-09-24 Juan Valle , Josep-María Sánchez-Chiva , Daniel Fernández , Jordi Madrenas

Obtaining channel covariance knowledge is of great importance in various Multiple-Input Multiple-Output MIMO communication applications, including channel estimation and covariance-based user grouping. In a massive MIMO system, covariance…

信息论 · 计算机科学 2019-11-01 Mahdi Barzegar Khalilsarai , Tianyu Yang , Saeid Haghighatshoar , Giuseppe Caire

Today, MIMO has become an indispensable scheme for providing significant spectral efficiency in wireless communication and for future wireless system, recently, it goes to two extremes: massive MIMO and single-RF MIMO. This paper, which is…

信息论 · 计算机科学 2015-01-09 Seung-Eun Hong , Kyoung-Sub Oh

Mammography is often used as the most common laboratory method for the detection of breast cancer, yet associated with the high cost and many side effects. Machine learning prediction as an alternative method has shown promising results.…

图像与视频处理 · 电气工程与系统科学 2019-10-31 Sanaz Mojrian , Gergo Pinter , Javad Hassannataj Joloudari , Imre Felde , Narjes Nabipour , Laszlo Nadai , Amir Mosavi

In the context of wireless communications, we propose a deep learning approach to learn the mapping from the instantaneous state of a frequency selective fading channel to the corresponding frame error probability (FEP) for an arbitrary set…

信号处理 · 电气工程与系统科学 2017-11-01 Vidit Saxena , Joakim Jaldén , Mats Bengtsson , Hugo Tullberg

The programmable metasurface is regarded as one of the most promising transformative technologies for next-generation wireless system applications. Due to the lack of effective perception ability of the external electromagnetic environment,…

A two-stage stochastic optimization model for the design of the closed-loop cable layout of an Offshore Wind Farm (OWF) is presented. The model consists on a Mixed Integer Linear Program (MILP) with scenario numeration incorporation to…

系统与控制 · 电气工程与系统科学 2020-12-30 Juan-Andrés Pérez-Rúa , Sara Lumbreras , Andrés Ramos , Nicolaos A. Cutululis

Metasurfaces constitute effective media for manipulating and transforming impinging EM waves. Related studies have explored a series of impactful MS capabilities and applications in sectors such as wireless communications, medical imaging…

The radio interferometric positioning system (RIPS) is a novel positioning solution used in wireless sensor networks. This letter explores the ranging accuracy of RIPS in two configurations. In the linear step-frequency (LSF) configuration,…

信息论 · 计算机科学 2015-06-19 Yue Zhang , Wangdong Qi , Guangxia Li , Su Zhang

We study the symmetric degrees-of-freedom (DoF) of partially connected interference networks under linear coding strategies at transmitters without channel state information beyond topology. We assume that the receivers are equipped with…

信息论 · 计算机科学 2016-11-15 Heecheol Yang , Navid Naderializadeh , Amir Salman Avestimehr , Jungwoo Lee

We consider the problem of optimal distributed beamforming in a sensor network where the sensors observe a dynamic parameter in noise and coherently amplify and forward their observations to a fusion center (FC). The FC uses a Kalman filter…

信息论 · 计算机科学 2013-04-02 Feng Jiang , Jie Chen , A. Lee Swindlehurst

In this paper, we propose a new Quality Link Metric (QLM), ``Inverse Expected Transmission Count (InvETX)'' in Optimized Link State Routing (OLSR) protocol. Then we compare performance of three existing QLMs which are based on loss…

网络与互联网体系结构 · 计算机科学 2013-11-18 N. Javaid , A. BiBi , A. Javaid , Z. A. Khan , K. Latif , M. Ishfaq

The algorithm-to-hardware High-level synthesis (HLS) tools today are purported to produce hardware comparable in quality to handcrafted designs, particularly with user directive driven or domains specific HLS. However, HLS tools are not…

分布式、并行与集群计算 · 计算机科学 2015-08-28 Vinay B. Y. Kumar , Pinalkumar Engineer , Mandar Datar , Yatish Turakhia , Saurabh Agarwal , Sanket Diwale , Sachin B. Patkar

This paper presents, for the first time, the concept of polarforming for wireless communications. Polarforming refers to a novel technique that enables the polarization of an antenna to shape into a desired polarization state for aligning…

信号处理 · 电气工程与系统科学 2025-03-21 Zijian Zhou , Jingze Ding , Chenbo Wang , Bingli Jiao , Rui Zhang

An optimization procedure for multi-transmitter (MISO) wireless power transfer (WPT) systems based on tight semidefinite relaxation (SDR) is presented. This method ensures physical realizability of MISO WPT systems designed via convex…

最优化与控制 · 数学 2017-11-22 Hans-Dieter Lang , Costas D. Sarris