Showing 301 - 320 results of 456 for search '"communication system"', query time: 0.06s Refine Results
  1. 301

    Statistical Study on the Effect of Meridional Neutral Wind on the Occurrence of Post‐Sunset Equatorial Ionospheric Irregularities by Bantayehu Aderaw, Melessew Nigussie

    Published 2025-01-01
    “…Abstract The navigation and radio communication systems experience significant disruptions due to post‐sunset equatorial ionospheric irregularities. …”
    Get full text
    Article
  2. 302

    Computation of the scintillation index and BER of super Lorentz Gaussian laser beam in a slant propagation at atmospheric turbulence by Hussein Thary Khamees, Sameer Algburi, Hussein E. Kotb

    Published 2025-03-01
    “…Modern free-space communication systems require a comprehensive analysis of how atmospheric turbulence impacts the scintillation index and the bit-error rate (BER). …”
    Get full text
    Article
  3. 303

    Optical semantic communication through multimode fiber: from symbol transmission to sentiment analysis by Zheng Gao, Ting Jiang, Mingming Zhang, Hao Wu, Ming Tang

    Published 2025-01-01
    “…This work highlights the potential of MMF-based semantic communication to enhance both capacity and robustness in optical communication systems, offering promising applications in bandwidth-constrained and noisy environments.…”
    Get full text
    Article
  4. 304

    A New Website Fingerprinting Method for Tor Hidden Service by Zihang Hui, Jiangtao Zhai, Shengxian Wang, Weijie Ji

    Published 2025-01-01
    “…Although anonymous communication systems protect user privacy, they also facilitate evasion of network censorship. …”
    Get full text
    Article
  5. 305

    Generation of vector vortex pin-like beams and their propagation in turbulent atmosphere by Jia Li, Huijian Liang, Gaofeng Wu, Peipei Peng, Fei Wang, Yangjian Cai

    Published 2025-01-01
    “…Atmospheric turbulence consistently poses a significant challenge to the stable propagation of laser beams, particularly over long distances, as is often the case in free-space optical communication systems. To mitigate the adverse effects of atmospheric turbulence, there is a pressing need to develop specialized laser beams. …”
    Get full text
    Article
  6. 306

    Design and Development of Biosensors for the Detection of Heavy Metal Toxicity by Graziella L. Turdean

    Published 2011-01-01
    “…In this context, is explainable why bioelectronics, nanotechnology, miniaturization, and bioengineering will compete for developing sensitive and selective biosensors able to determine multiple analytes simultaneously and/or integrated in wireless communications systems.…”
    Get full text
    Article
  7. 307

    Nondestructive Measurement of Momentum Transfer Collision Frequency for Low Temperature Combustion Plasma by Douglas Letsholathebe, Kgakgamatso M. Mphale, Samuel Chimidza

    Published 2014-01-01
    “…The problem has implications on safety of fire-fighters during wildfire suppression hence the need of high performance communication systems. In the experiment, a nonintrusive and direct method for measuring momentum transfer collision frequency in a fire plume was carried out. …”
    Get full text
    Article
  8. 308

    A Three-Component Model Based on Macropropagation Phenomena Approach for Complex Building Scattering by Mehdi Ait-Ighil, Fernando Perez-Fontan, Joel Lemorton, Frederic Lacoste, Christophe Bourga, Michel Bousquet

    Published 2015-01-01
    “…Without restrictions w.r.t mobile terrestrial applications, the addressed multipath problematic in this paper is focused on Land Mobile Satellite applications where delayed signal replicas are highly impacting performances on communication systems while they induce strong positioning errors for navigation systems. …”
    Get full text
    Article
  9. 309

    A Codesigned Compact Dual-Band Filtering Antenna with PIN Loaded for WLAN Applications by Shanxiong Chen, Yu Zhao, Maoling Peng, Yunji Wang

    Published 2014-01-01
    “…With the presence of small size and good filtering performances, the proposed filtering antenna is a good candidate for the wireless communication systems. Prototypes of the proposed filtering antenna incorporating a PIN diode are fabricated and measured. …”
    Get full text
    Article
  10. 310

    Conversion of 10 min Rain Rate Time Series into 1 min Time Series: Theory, Experimental Results, and Application in Satellite Communications by Emilio Matricciani, Carlo Riva

    Published 2025-01-01
    “…., quasi-instantaneous rainfall—the latter to be used as input to the synthetic storm technique, which is a very reliable tool for calculating rain attenuation time series in satellite communication systems or for estimating runoff, erosion, pollutant transport, and other applications in hydrology. …”
    Get full text
    Article
  11. 311

    Propagation Mechanism Modeling in the Near-Region of Arbitrary Cross-Sectional Tunnels by Ke Guan, Zhangdui Zhong, Bo Ai, Ruisi He, Yuanxuan Li, César Briso Rodríguez

    Published 2012-01-01
    “…Along with the increase of the use of working frequencies in advanced radio communication systems, the near-region inside tunnels lengthens considerably and even occupies the whole propagation cell or the entire length of some short tunnels. …”
    Get full text
    Article
  12. 312

    Research and calculation of magnetic system of built-in axle-box generators of freight cars by O. A. Lysenko, L. D. Fedorova, S. G. Shantarenko

    Published 2020-12-01
    “…These requests can be solved through the introduction of modern GSM communication systems and geolocation. At the present time, a system for detecting the descent of a freight car has been developed and is being tested, which makes it possible to record the descent within a few seconds and transmit a signal to the train driver via a radio channel. …”
    Get full text
    Article
  13. 313

    Sustainable Mobility in B5G/6G: V2X Technology Trends and Use Cases by Sandra Roger, Carmen Botella-Mascarell, David Martin-Sacristan, David Garcia-Roger, Jose F. Monserrat, Tommy Svensson

    Published 2024-01-01
    “…We start by identifying three current technology trends, namely, towards climate neutral; cloudification and edge computing; and Big Data and artificial intelligence, and then we examine their capability to enable sustainable Vehicle-to-Everything (V2X) communication systems in beyond 5G and 6G networks. In the second part of the paper, a set of selected use case categories involving connected and autonomous vehicles is presented, showcasing the potential impact of the selected technology trends. …”
    Get full text
    Article
  14. 314

    Treating without Seeing: Pain Management Practice in a Thai Context by Manaporn Chatchumni, Ampaporn Namvongprom, Henrik Eriksson, Monir Mazaheri

    Published 2016-01-01
    “…Three themes were constructed that describe the way Thai nurses practiced pain management: (i) complex communications system to address pain and to respond to it, (ii) the essence of Thai-ness, and (iii) a passive approach to pain management. …”
    Get full text
    Article
  15. 315

    Umbrella-Shaped Wideband MIMO Wireless Communication Antenna by Hussein Mohammed Naser, Oras Ahmed Al-Ani, Mahmood Farhan Mosleh, Faiz Arith

    Published 2023-12-01
    “… A Circular Polarization (CP) Multiple Input Multiple Output (MIMO) system was used in this study with additional components for contemporary communication systems developed. There are 4 elements in the model. …”
    Get full text
    Article
  16. 316

    An Asynchronous Low Power and High Performance VLSI Architecture for Viterbi Decoder Implemented with Quasi Delay Insensitive Templates by T. Kalavathi Devi, Sakthivel Palaniappan

    Published 2015-01-01
    “…Convolutional codes are comprehensively used as Forward Error Correction (FEC) codes in digital communication systems. For decoding of convolutional codes at the receiver end, Viterbi decoder is often used to have high priority. …”
    Get full text
    Article
  17. 317

    Precision Sensing-Aided Multi-Target Beamforming Prediction in High-Mobility ISAC Systems Based on OTFS by Chunyue Wang, Yong Wang, Huiming Zheng, Yunhao Chai, Ying Dong

    Published 2025-01-01
    “…The integration of orthogonal time frequency space signals into integrated sensing and communication systems has emerged as a highly promising approach for constructing intelligent transportation systems. …”
    Get full text
    Article
  18. 318

    Modeling and Simulation of MIMO Mobile-to-Mobile Wireless Fading Channels by Gholamreza Bakhshi, Reza Saadat, Kamal Shahtalebi

    Published 2012-01-01
    “…In this paper, we propose the modified geometrical two-ring model, a MIMO channel reference model for M-to-M communication systems. This model is based on the extension of single-bounce two-ring scattering model for flat fading channel under the assumption that the transmitter and the receiver are moving. …”
    Get full text
    Article
  19. 319

    A Novel Design of MSM Photodetector and the Investigation of Two-Top Contacts Spacing Effects on Detection Speed and Transient Response by Savarimuthu Robinson, Yunjian Jia

    Published 2022-12-01
    “…The photodetector is one of the main components of the optical communication systems that converts optical signal to electrical signal. …”
    Get full text
    Article
  20. 320

    Circularly Polarized Leaky-Wave Antenna Based on Low-Loss Transmission Line by Xingying Huo, Zheng Li

    Published 2022-01-01
    “…A leaky-wave antenna with circular polarization property is proposed in millimeter-wave band, which can be applied in the wireless communication systems and remote sensing. The radiation is produced by the periodic patches on both sides of the dielectric slab of the antenna based on a low-loss planar Goubau line structure. …”
    Get full text
    Article