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In this paper, we introduce a synthesis technique for transmission line based decoupling networks, which find application in coupled systems such as multiple-antenna systems and compact antenna arrays. Employing the generalized…

系统与控制 · 电气工程与系统科学 2024-10-07 Binbin Yang

In this paper, we consider the channel estimation problem in sub-6 GHz uplink wideband MIMO-OFDM communication systems, where a user equipment with a fully-digital beamforming structure is communicating with a base station having a hybrid…

信号处理 · 电气工程与系统科学 2023-04-14 Sepideh Gherekhloo , Khaled Ardah , Martin Haardt

It has recently been predicted that a conical singularity (= Dirac point) in the band structure of a photonic crystal produces an unusual 1/L scaling of the photon flux transmitted through a slab of thickness L. This inverse-linear scaling…

光学 · 物理学 2008-09-04 R. A. Sepkhanov , C. W. J. Beenakker

This paper presents a new method to obtain the deformation distribution on the main reflector of an antenna only by measuring the electric intensity on a spherical surface with the focal point as the center of the sphere, regardless of…

天体物理仪器与方法 · 物理学 2021-12-08 Qian Ye , Boyang Wang , Qiang Yao , Jinqing Wang , Qinghui Liu , Zhiqiang Shen

This paper aims to propose a three-dimensional (3D) point process that can be employed to generally deploy unmanned aerial vehicles (UAVs) in a large-scale cellular network and tractably analyze the fundamental network-wide performances of…

网络与互联网体系结构 · 计算机科学 2021-01-26 Chun-Hung Liu , Di-Chun Liang , Rung-Hung Gau

Movable antenna (MA) has emerged as a promising technology for improving the performance of wireless communication systems, which enables local movement of the antennas to create more favorable channel conditions. In this letter, we advance…

信号处理 · 电气工程与系统科学 2025-01-16 Nianzu Li , Peiran Wu , Boyu Ning , Lipeng Zhu , Weidong Mei

Quantum teleportation of an unknown broadband electromagnetic field is investigated. The continuous-variable teleportation protocol by Braunstein and Kimble [Phys. Rev. Lett. {\bf 80}, 869 (1998)] for teleporting the quantum state of a…

量子物理 · 物理学 2009-10-31 P. van Loock , Samuel L. Braunstein , H. J. Kimble

In this letter, a dual-bistatic unmanned aerial vehicles (UAVs) tracking system utilizing downlink Long-Term Evolution (LTE) signals is proposed and demonstrated. Particularly, two LTE base stations (BSs) are exploited as illumination…

信号处理 · 电气工程与系统科学 2026-02-10 Chenqing Ji , Jiahong Liu , Qionghui Liu , Yifei Sun , Chao Yu , Rui Wang

Extinction coefficient is fundamental to analyze radiative transport in micro/nano particle suspensions. In the traditional transmission method for measuring the extinction coefficient of particles in a cuvette, a reference system is used…

光学 · 物理学 2017-03-03 X. C. Li , J. M. Zhao , C. C. Wang , L. H. Liu

This paper aims to propose a three-dimensional (3D) point process model that can be employed to generally deploy unmanned aerial vehicles (UAVs) in a large-scale cellular network and tractably analyze the fundamental network-wide…

信息论 · 计算机科学 2021-01-01 Chun-Hung Liu , Di-Chun Liang , Md Asif Syed , Rung-Hung Gau

This letter investigates a short-packet downlink transmission system using non-orthogonal multiple access (NOMA) enhanced via movable antenna (MA). We focuses on maximizing the effective throughput for a core user while ensuring reliable…

信号处理 · 电气工程与系统科学 2024-06-12 Xinyuan He , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

We present a Bayesian approach for the Contamination Source Detection problem in Water Distribution Networks. Given an observation of contaminants in one or more nodes in the network, we try to give probable explanation for it assuming that…

数据分析、统计与概率 · 物理学 2018-09-28 Ernesto Ortega , Alfredo Braunstein , Alejandro Lage-Castellanos

Quantum teleportation should surpass maximum fidelity thresholds possible with local measurements and classical communications. Benchmarks have been established when states are drawn from a uniform distribution of qubits or coherent states…

量子物理 · 物理学 2026-05-26 Tomáš Opatrný , Allison Brattley , Kunal K. Das

A recently conducted indoor-to-outdoor measurement campaign for investigating the propagation characteristics of an $8 \times 8$ virtual multiple-input-multiple-output (MIMO) based wireless sensor network (WSN) is presented in this paper.…

信号处理 · 电气工程与系统科学 2020-07-03 I. Dey , M. Majid Butt , N. Marchetti

Superconducting circuit testing and materials loss characterization requires robust and reliable methods for the extraction of internal and coupling quality factors of microwave resonators. A common method, imposed by limitations on the…

We consider the asymmetric transmission properties of a Discrete Nonlinear Schr{\"o}dinger type dimer with a saturable nonlinear intersite coupling between the dimer sites, in addition to a cubic onsite nonlinearity and asymmetric linear…

斑图形成与孤子 · 物理学 2020-10-21 Muhammad Abdul Wasay , Magnus Johansson

Wireless communication at millimeter wave frequencies has attracted considerable attention for the delivery of high-bit-rate connectivity to unmanned aerial vehicles (UAVs). However, conducting the channel measurements necessary to assess…

Compressed Sensing suggests that the required number of samples for reconstructing a signal can be greatly reduced if it is sparse in a known discrete basis, yet many real-world signals are sparse in a continuous dictionary. One example is…

信息论 · 计算机科学 2015-07-24 Yuanxin Li , Yuejie Chi

This paper considers a Fluid Antenna (FA) system comprising a single-antenna transmitter that communicates with a receiver equipped with an FA array with $N$ ports. The transmitter is assumed to deploy any of the modulation schemes:…

信号处理 · 电气工程与系统科学 2026-04-09 Soumya P. Dash , George C. Alexandropoulos

In this paper, we propose a method for estimating radial distribution grid admittance matrix using a limited number of measurement devices. Neither synchronized three-phase measurements nor phasor measurements are required. After making…

系统与控制 · 计算机科学 2019-02-21 Xia Miao , Xiaofan Wu , Ulrich Munz , Marija Ilic