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Journal articles on the topic 'RF wireless communication'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Luo, Yu, Lina Pu, Guodong Wang, and Yanxiao Zhao. "RF Energy Harvesting Wireless Communications: RF Environment, Device Hardware and Practical Issues." Sensors 19, no. 13 (2019): 3010. http://dx.doi.org/10.3390/s19133010.

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Radio frequency (RF) based wireless power transfer provides an attractive solution to extend the lifetime of power-constrained wireless sensor networks. Through harvesting RF energy from surrounding environments or dedicated energy sources, low-power wireless devices can be self-sustaining and environment-friendly. These features make the RF energy harvesting wireless communication (RF-EHWC) technique attractive to a wide range of applications. The objective of this article is to investigate the latest research activities on the practical RF-EHWC design. The distribution of RF energy in the re

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Young, Darrin J. "Micromachining for rf Communications." MRS Bulletin 26, no. 4 (2001): 331–32. http://dx.doi.org/10.1557/mrs2001.74.

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The increasing demand for wireless communication applications, such as cellular and cordless telephones, wireless data networks, and global positioning systems, motivates a growing interest in building miniature radio transceivers that can support multistandard capabilities. Such transceivers will greatly enhance the convenience and accessibility of various wireless services.

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Jones, Inke, Lucas Ricciardi, Leonard Hall, et al. "Wireless RF communication in biomedical applications." Smart Materials and Structures 17, no. 1 (2008): 015050. http://dx.doi.org/10.1088/0964-1726/17/1/015050.

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Bhawarthi, Amruta A. "Train Collision Prevention Using RF." International Journal for Research in Applied Science and Engineering Technology 11, no. 12 (2023): 293–97. http://dx.doi.org/10.22214/ijraset.2023.57002.

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Abstract: Railway transportation plays a crucial role in modern society, transporting millions of passengers and goods across vast distances. Ensuring the safety of train operations is of utmost importance to prevent collisions and accidents. This research paper presents a Train Collision Prevention using RF module (TCP) designed to enhance train safety by providing a wireless communication mechanism between trains to avoid collisions. Traditional train signaling systems have limitations, such as human errors and inadequate response times, which can lead to accidents. The proposed TCP utilizes

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D. Ponnimbaduge Perera, Tharindu, Akashkumar Rajaram, Sangay Chedup, Dushantha Nalin K. Jayakody, and Bin Chen. "Hybrid RF/visible light communication in downlink wireless system." International Journal of Engineering & Technology 7, no. 2.28 (2018): 272. http://dx.doi.org/10.14419/ijet.v7i2.28.12943.

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The spectrum crunch in Radio Frequency (RF) Communication and the prospect of Visible Light Communication (VLC) as an alternative to RF has made way for high speed VLC deployment. The ubiquitous coverage of RF and the high speed data rate achieved with VLC, make the two technologies complimentary to each other, making the hybrid RF/VLC an emerging trend in wireless networks. This study presents a downlink communication of a hybrid RF-VLC, where the signal received through RF channel by a relay is decoded and the symbols are converted into an electrical signals. The electrical signal is fed to

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Pan, Yuzhu. "Implementation of Advanced RF Technology in 5G Communication Systems." Highlights in Science, Engineering and Technology 124 (February 18, 2025): 268–75. https://doi.org/10.54097/3ynxaw12.

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Since the inception of the first generation of mobile communications, wireless communication technology has evolved at an unprecedented pace over the past four decades. The emergence of 5G technology promises transmission rates reaching thousands of megabits per second, millisecond latency, and robust support for high-density traffic. To address these demands, novel radio frequency (RF) technologies are essential, particularly in leveraging millimeter wave bands. This paper investigates the significance of four innovative RF technologies that are crucial for meeting 5G requirements. These tech

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Sorrentino, Roberto, Paola Farinelli, Alessandro Cazzorla, and Luca Pelliccia. "RF-MEMS Application to RF Tuneable Circuits." Advances in Science and Technology 100 (October 2016): 100–108. http://dx.doi.org/10.4028/www.scientific.net/ast.100.100.

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The bursting wireless communication market, including 5G, advanced satellite communication systems and COTM (Communication On The Move) terminals, require ever more sophisticated functions, from multi-band and multi-function operations to electronically steerable and reconfigurable antennas, pushing technological developments towards the use of tunable microwave components and circuits. Reconfigurability allows indeed for reduced complexity and cost of the apparatuses. In this context, RF MEMS (Micro-Electro-Mechanical-Systems) technology has emerged as a very attractive solution to realize bo

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Kaur, Kamaldeep, and Abhimanyu Nain. "RoFSO- Theoretical Study and Review." International Journal of Microsystems and IoT 1, no. 6 (2023): 394–401. https://doi.org/10.5281/zenodo.10389520.

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Radio frequency (RF) communication technology is facing challenges in fulfilling the transmission medium demand of this IOTs (Internet of things) world due to exponential growth of wirelessly communicating electronic devices. Everybody and everything need some wireless spectrum to transmit information, but RF spectrum is limited. Speed of increasing data hungry devices is much more than emerging technologies trying to keep pace with growing demand for wireless channels. Free space optics (FSO) is one of such technologies working towards fulfilling spectrum demand till the last mile connectivit

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Xu, Chentao. "Research and Application of Visible Light Communication Technology." Highlights in Science, Engineering and Technology 97 (May 28, 2024): 117–25. http://dx.doi.org/10.54097/6bwxbh08.

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In recent years, the rapid growth of mobile devices and wireless services has created a significant demand for RF-based technologies. Among the various emerging wireless communication forms, Visible Light Communications (VLC) stands out as a potentially transformative technology that not only complements RF communications but also introduces innovative possibilities for mobile wireless device applications. VLC utilizes visible light for communication, offering high-speed data transmission, improved energy efficiency, and enhanced communication security and privacy. This article thoroughly expl

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Sarycheva, Asia, Alessia Polemi, Yuqiao Liu, Kapil Dandekar, Babak Anasori, and Yury Gogotsi. "2D titanium carbide (MXene) for wireless communication." Science Advances 4, no. 9 (2018): eaau0920. http://dx.doi.org/10.1126/sciadv.aau0920.

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With the development of the Internet of Things (IoT), the demand for thin and wearable electronic devices is growing quickly. The essential part of the IoT is communication between devices, which requires radio-frequency (RF) antennas. Metals are widely used for antennas; however, their bulkiness limits the fabrication of thin, lightweight, and flexible antennas. Recently, nanomaterials such as graphene, carbon nanotubes, and conductive polymers came into play. However, poor conductivity limits their use. We show RF devices for wireless communication based on metallic two-dimensional (2D) tita

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Zhang, Caozheng, Libo Zheng, Jinghao Yu, Pengfei Ye, and Yi Liu. "A low insertion loss RF switch using a 130 nm SOI process." Journal of Physics: Conference Series 2384, no. 1 (2022): 012008. http://dx.doi.org/10.1088/1742-6596/2384/1/012008.

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Abstract To realize a better radio frequency (RF) communication system, the RF switch, as an important module, is used to cooperate with other devices to form an RF front end for optimizing communication performances. This paper designs a single-pole multi-throw (SPMT) RF switch, which exhibits a low insertion loss of 0.57 dB at 1.9 GHz under the voltage of 2.2 to 4.7 V. The RF switch is fabricated using a 130 nm silicon-on-insulator (SOI) complementary metal-oxide-semiconductor (CMOS) process. It can be used in multi-frequency and multi-mode applications such as 4G/5G. The proposed RF switch

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Rinne, Jukka, Jari Keskinen, Paul Berger, Donald Lupo, and Mikko Valkama. "M2M Communication Assessment in Energy-Harvesting and Wake-Up Radio Assisted Scenarios Using Practical Components." Sensors 18, no. 11 (2018): 3992. http://dx.doi.org/10.3390/s18113992.

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Techniques for wireless energy harvesting (WEH) are emerging as a fascinating set of solutions to extend the lifetime of energy-constrained wireless networks, and are commonly regarded as a key functional technique for almost perpetual communications. For example, with WEH technology, wireless devices are able to harvest energy from different light sources or Radio Frequency (RF) signals broadcast by ambient or dedicated wireless transmitters to support their operation and communications capabilities. WEH technology will have increasingly wider range of use in upcoming applications such as wir

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Schilling, Lisa-Marie, Christian Bornkessel, and Matthias A. Hein. "Human RF Electromagnetic Exposure to V2X-Communication." Advances in Radio Science 19 (September 15, 2022): 233–39. http://dx.doi.org/10.5194/ars-19-233-2022.

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Abstract. In the era of automated and connected driving, more and more cars will be equipped with wireless transmission technologies such as mobile communications 4G (LTE) and 5G, WiFi, Bluetooth, and V2X. For the technical implementation of V2X-communications, different standards like cellular-V2X from the cooperation 3rd Generation Partnership Project and ITS-G5, based on the WiFi standard 802.11p from the Institute of Electrical and Electronics Engineers, are under consideration. The electromagnetic environment of cars and the corresponding exposure of the general public to wireless emissio

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Han, Boyu. "A comprehensive review of performance analysis of RF-FSO hybrid communication systems." Journal of Physics: Conference Series 2649, no. 1 (2023): 012019. http://dx.doi.org/10.1088/1742-6596/2649/1/012019.

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Abstract The combination of radio frequency (RF) and free-space optical (FSO) communication has grown in importance as a study area for wireless communication systems in recent years. This technology has the ability to address the rising need for high-speed, high-capacity wireless communication in a variety of applications by successfully integrating the benefits of both RF and FSO communication. The performance analysis of various communication systems based on RF-FSO hybrid technology is covered in detail in this research. An overview of the RF-FSO hybrid technology and its many architecture

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Roy, Amlan Jyoti, Bhargavjyoti Sharma, Avinab Das, Sajid-ul Haque, and Dr Runumi Sarma. "Long Range RF- Text based Communication System." International Journal for Research in Applied Science and Engineering Technology 11, no. 8 (2023): 747–50. http://dx.doi.org/10.22214/ijraset.2023.55242.

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Abstract: With the growth of the Internet of Things (IoT) and other wireless applications in recent years the need for long-range and low-power communication systems has increased. This issue can be resolved by application of LoRa (Long Range) technology, which offers a long-range, low-power, and dependable communication system. LoRa is a wireless modulation technique derived from Chirp Spread Spectrum (CSS) technology. It encodes information on radio waves using chirp pulses in a way similar to the communication principles used naturally by dolphins and bats. LoRa modulated transmission is ro

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Shaik, Mona, Prasad P. Lalitha, Kumar K. Hemanth, Siddhu Ch Chaitanya, and Manikanta A. Durga. "Vehicle-to-Vehicle communication using Li-Fi technology." i-manager’s Journal on Electronics Engineering 15, no. 3 (2025): 39. https://doi.org/10.26634/jele.15.3.21818.

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This study focuses on wireless communication for data transmission between vehicles. Wireless communication has become an essential part of modern life, playing a fundamental role in various applications. Different types of wireless communication networks are used in Vehicle-to-Vehicle (V2V) communication, including Radio Frequency (RF), Wi-Fi, and others. However, these technologies have certain limitations. For instance, RF-based communication has slower data transmission, which can delay vehicle responses and potentially lead to accidents. Wi-Fi offers faster transmission, but low signal st

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Lishman, Ben, Jemma Wadham, Bruce Drinkwater, et al. "Assessing the utility of acoustic communication for wireless sensors deployed beneath ice sheets." Annals of Glaciology 54, no. 64 (2013): 124–34. http://dx.doi.org/10.3189/2013aog64a022.

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Abstract The environments underneath ice sheets are of high scientific interest. Wireless sensors offer the prospect of sustained, distributed remote sensing in the subglacial environment. Typically, wireless sensor networks use radio-frequency (RF) electromagnetic communications, but these are highly attenuated in wet environments. In such environments, acoustic communications may be more power-efficient. Here we review the literature on acoustic and RF attenuation through ice and other relevant media, and present the results of new experiments on acoustic attenuation in glacial ice. Link bud

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Leccese, Fabio, and Giuseppe Schirripa Spagnolo. "State-of-the art and perspectives of underwater optical wireless communications." ACTA IMEKO 10, no. 4 (2021): 25. http://dx.doi.org/10.21014/acta_imeko.v10i4.1097.

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In scientific, military, and industrial sectors, the development of robust and efficient submarine wireless communication links is of enormous interest. Underwater wireless communications can be carried out through acoustic, radio frequency (RF), and optical waves. Underwater optical communication is not a new idea, but it has recently been considered because seawater exhibits a window of reduced absorption both in the visible spectrum and long-wavelength UV light (UV-A). Compared to its bandwidth limited acoustic counterpart, underwater optical wireless communications (UOWCs) can support high

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Sinha, Himanshu Kumar, Anand Kumar, and Abhishek Saurabh. "Role of RF Propagation in 5g Network." East African Scholars Journal of Engineering and Computer Sciences 6, no. 02 (2023): 20–25. http://dx.doi.org/10.36349/easjecs.2023.v06i02.001.

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The performance analysis of various empirical radio propagation models or harvesters used in wireless cellular networks is presented in this paper. In particular, second generation (2G) through fifth generation (5G) cellular networks route loss and cell coverage areas is researched. Planning any wireless communication system requires precise path loss and coverage area forecasting. The Hata model, the Stanford University Interim (SUI) model, and modified SUI models are contrasted in light of the urban terrain. The investigation is carried out at 28 GHz as inspiration for new wave (mm- wave) ce

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Sharanbasappa, Shetkar. "A Variant MIMO-OFDM VLC (VMOV) Optimization model for WiMaX Network." IRE Journals 4, no. 12 (2023): 266–77. https://doi.org/10.5281/zenodo.7890036.

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<strong><em>Wireless Sensor Networks (WSNs) utilizes small low power sensor nodes to sense physical phenomena and transfer the information by using radio frequency (RF) technology that faces few issues in several operating environments. The optical wireless communication (OWC) systems like visible light communication (VLC) are taken as candidates to sort out the issues of current radio frequency communications. In this paper, we propose a novel Multiple Input Multiple Output Orthogonal Frequency Divisional Multiplexing Visible Light Wireless Communication Model (MIMO-OFDM- VLWC) for high-speed

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Abdi, Abdikarim Ismail. "A Comprehensive Review Hybrid Free-Space Optical (FSO) And Radio Frequency (RF) Communication Systems." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem42231.

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The combination of Free-Space Optical (FSO) and Radio Frequency (RF) communication technologies has garnered considerable interest owing to their complementary attributes, which may improve the deficiencies of each system independently. Hybrid FSO/RF systems integrate the elevated data rates and minimal latency of FSO with the durability and extensive coverage of RF, rendering them appropriate for diverse applications, such as mobile networks and satellite communication. This study offers a thorough examination of current developments in hybrid FSO/RF communication systems, emphasizing perform

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Domingues, Ana R., Diogo Pereira, Manuel F. Silva, Sara Pimenta, and José H. Correia. "An Optical Wireless Communication System for Physiological Data Transmission in Small Animals." Sensors 25, no. 1 (2024): 138. https://doi.org/10.3390/s25010138.

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In biomedical research, telemetry is used to take automated physiological measurements wirelessly from animals, as it reduces their stress and allows recordings for large data collection over long periods. The ability to transmit high-throughput data from an in-body device (e.g., implantable systems, endoscopic capsules) to external devices can also be achieved by radiofrequency (RF), a standard wireless communication procedure. However, wireless in-body RF devices do not exceed a transmission speed of 2 Mbit/s, as signal absorption increases dramatically with tissue thickness and at higher fr

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Suraweera, S. A. T. U. W. K., and K. P. S. C. Jayaratne. "RF-EMR pollution levels near kindergartens due to mobile communication towers and Wi-Fi sources." Sri Lankan Journal of Physics 24, no. 1 (2023): 1–17. http://dx.doi.org/10.4038/sljp.v24i1.8117.

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Wireless communications play a crucial role in human lives. The introduction of cellular network systems, broadband internet services and public Wi-Fi services increase the connectivity between people exponentially. These wireless networks require antenna structures to propagate carrier waves through space and these waves are located within the Radiofrequency (RF) region in the electromagnetic spectrum. The effects of these RF waves on people, especially children, and pregnant women cannot be neglected. According to the researchers, there are some adverse health issues related to thermal and n

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Cai, Dawei. "Hybrid Wireless Communication using Optical and RF Communication and Industrial Application." International Journal of Computer Applications 156, no. 6 (2016): 1–5. http://dx.doi.org/10.5120/ijca2016912516.

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Memon, Mudasar, Navrati Saxena, Abhishek Roy, and Dong Shin. "Backscatter Communications: Inception of the Battery-Free Era—A Comprehensive Survey." Electronics 8, no. 2 (2019): 129. http://dx.doi.org/10.3390/electronics8020129.

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The ever increasing proliferation of wireless objects and consistent connectivity demands are creating significant challenges for battery-constrained wireless devices. The vision of massive IoT, involving billions of smart objects to be connected to the cellular network, needs to address the problem of uninterrupted power consumption while taking advantage of emerging high-frequency 5G communications. The problem of limited battery power motivates us to utilize radio frequency (RF) signals as the energy source for battery-free communications in next-generation wireless networks. Backscatter co

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Jokic, Ivana, Milos Frantlovic, Zoran Djuric, and Miroslav Dukic. "RF MEMS/NEMS resonators for wireless communication systems and adsorption-desorption phase noise." Facta universitatis - series: Electronics and Energetics 28, no. 3 (2015): 345–81. http://dx.doi.org/10.2298/fuee1503345j.

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During the past two decades a considerable effort has been made to develop radio-frequency (RF) resonators which are fabricated using the micro/nanoelectro-mechanical systems (MEMS/NEMS) technologies, in order to replace conventional large off-chip components in wireless transceivers and other high-speed electronic systems. The first part of the paper presents an overview of RF MEMS and NEMS resonators, including those based on two-dimensional crystals (e.g. graphene). The frequency tuning in MEMS/NEMS resonators is then analyzed. Improvements that would be necessary in order for MEMS/NEMS res

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Faris., A. Almalki. "COMPARATIVE AND QOS PERFORMANCE ANALYSIS OF TERRESTRIAL-AERIAL PLATFORMS-SATELLITES SYSTEMS FOR TEMPORARY EVENTS." International Journal of Computer Networks & Communications (IJCNC) 11, no. 6 (2020): 111–33. https://doi.org/10.5281/zenodo.3632447.

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Wireless communications, nowadays, becomes a vital element of people’s daily life. Providing global connectivity in future communication systems via the heterogeneous network opens up many research topics to investigate potentialities, enabling technologies, and challenges from the perspective of the integrated wireless systems. This paper aims to drive a comprehensive and comparative study on terrestrial-aerial platforms- satellite wireless communications systems, includes their characteristics and unravelling challenges. The comparison focuses on issues that reportedly can evaluate any

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Yongjin, Liu. "The Optimization Research on RF Chip Signal Processing Based on Deep Learning Algorithms." Journal of Intelligence and Knowledge Engineering 2, no. 2 (2024): 28–31. http://dx.doi.org/10.62517/jike.202404206.

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With the rapid development of wireless communication technology, radio frequency (RF) chips, as the core components of communication systems, directly influence the overall system performance through their signal processing capabilities. Traditional signal processing methods often struggle to achieve optimal results in the face of complex and variable communication environments. In recent years, deep learning technology, due to its powerful feature learning and pattern recognition capabilities, has shown tremendous potential in various fields. This paper addresses the signal processing issues

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Dang, Tien Sy, Van Thang Nguyen, Cao Van Toan, and The Ngoc Dang. "Exploring physical layer security in underwater optical wireless communication: A concise overview." Journal of Military Science and Technology 98 (October 25, 2024): 3–14. http://dx.doi.org/10.54939/1859-1043.j.mst.98.2024.3-14.

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Underwater wireless optical communications are a developing alternative to meet the increasing need for high-speed connections in oceans and seas. Optical wireless communications (OWCs) are more secure and less susceptible to eavesdropping compared to acoustic communications or radio frequency (RF) communications due to their narrow optical beam coverage and reliance on line-of-sight components. Nevertheless, the existence of a hostile eavesdropper can compromise the level of confidentiality achieved by OWC networks. This article provides a concise overview of the latest research conducted on

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László, Méhes. "The Development of a GPS Based RF Signal Strength Measurement System." Applied Mechanics and Materials 309 (February 2013): 294–301. http://dx.doi.org/10.4028/www.scientific.net/amm.309.294.

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Nowadays the wireless communication networks are the bigger part in the communication area. It is very important to choose the best place for the wireless nodes. To support the placement of these devices I wanted to create a signal strength measurement system that I implemented on ZigBee platform with GPS positioning.

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Liu, Zhou Zhou, and Fu Bao Wang. "Multi-Hop Voice Communication Nodes Based on ZigBee Protocol." Applied Mechanics and Materials 443 (October 2013): 380–83. http://dx.doi.org/10.4028/www.scientific.net/amm.443.380.

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To meet the needs of ZigBee protocol on voice communication in wireless sensor network and realize low-cost and low-consumption wireless voice communication in short distance, multi-hop voice communication nodes software based on multimedia voice node plate of wireless RF chip is designed. Thus, multi-node network communication, real-time voice sampling and multi-hop relay transmission are implemented. Also, it features high-quality voice, low fault system, and high reliability. All these make it applied widely in a larger range.

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Sathya, R., and Sunanda Ambulker. "Analysis of Three-Stage LNA Architecture for CMOS RF Front End." Journal of Physics: Conference Series 2466, no. 1 (2023): 012017. http://dx.doi.org/10.1088/1742-6596/2466/1/012017.

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Abstract Wireless communication continues to lead the world. The term “wireless” significantly influences everything from telephone to satellite communication. Recent years have seen the need for appropriately built Low Noise Amplifiers (LNAs) in receiver front end because of the modem wireless communication in broadcast and microwave radio. In this paper a high performance LNA for the radio frequency range is presented. To achieve high gain a three stage LNA with each stage as Cascode stage is considered here. The simulation shows that the presented LNA has a gain of 26.12 dB and a Noise Figu

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Yuce, Mehmet R., Ilangko Balasingham, Yong-Kyu Yoon, Jianqing Wang, and Carmen C. Y. Poon. "Guest Editorial: RF and Communication Technologies for Wireless IMPLANTS." IEEE Journal of Biomedical and Health Informatics 19, no. 3 (2015): 899–900. http://dx.doi.org/10.1109/jbhi.2015.2425094.

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Yang, H. Y. D. "Analysis of RF radiation interference on wireless communication systems." IEEE Antennas and Wireless Propagation Letters 2 (2003): 126–29. http://dx.doi.org/10.1109/lawp.2003.816634.

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Azzarelli, Joseph M., Katherine A. Mirica, Jens B. Ravnsbæk, and Timothy M. Swager. "Wireless gas detection with a smartphone via rf communication." Proceedings of the National Academy of Sciences 111, no. 51 (2014): 18162–66. http://dx.doi.org/10.1073/pnas.1415403111.

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Georgiadis, A., and M. Bozzi. "Editorial: RF/Microwave Communication Subsystems for Emerging Wireless Technologies." IET Microwaves, Antennas & Propagation 5, no. 8 (2011): 861. http://dx.doi.org/10.1049/iet-map.2011.9053.

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Ozgur, Mehmet, and Mona E. Zaghloul. "RF components for wireless communication using CM-CMOS technology." International Journal of RF and Microwave Computer-Aided Engineering 11, no. 5 (2001): 330–40. http://dx.doi.org/10.1002/mmce.1041.

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Goswami, Priyanjali. "Photon Communication Systems: "Exploring New Frontiers of Radio Frequency Connectivity"." International Journal for Research in Applied Science and Engineering Technology 13, no. 1 (2025): 1605–9. https://doi.org/10.22214/ijraset.2025.66606.

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Photon communication is an optical free-space communication. Speculate to be the upcoming generation wireless communication technology due to its latent features like high data rate increased bandwidth unregulated spectrum immunity to interference etc. Laser communication offers a viable alternative for inter-satellite links and other applications to radio frequency (RF) communication, where high - performance links are necessary. In defense, laser communication facilitates reliable satellite communications (SATCOM), secure drone operations, and high-speed data exchange between naval vessels,

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Wang, Da Hu, Qie Qie Zhang, and Yi Fan Sun. "Design of Wireless Voice Communication System in Underground Coal Mine Based on ZigBee." Applied Mechanics and Materials 548-549 (April 2014): 1402–6. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.1402.

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For disadvantages of the present mine voice communication systems, a kind of wireless voice communication system based on Zig Bee is put forward. The paper provides detailed informations about hardware and software of the wireless voice communication device. In the system, adopt CC2530 as RF sending-receiving unit of voice communication node, convert speech signals to digital or analog signals by CSP1027, encode or decode quantized voice data by AMBE voice codec technology and realize voice message two-way wireless communication over the Zig Bee wireless communication protocol IEEE 802.15.4 be

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Narakadan, Daryl, Sadhana Pai, and Manita Rajput. "Wireless Communication Between Embedded Systems based on FPGA." International Journal of Engineering & Technology 7, no. 4.41 (2018): 66–70. http://dx.doi.org/10.14419/ijet.v7i4.41.24302.

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Nowadays most of the applications require wireless connectivity to seamlessly send and receive information in different networks. In most of the scenarios this was achieved via microcontrollers and RF transceiver modules. The scope of this project is to implement a wireless interface layer between end user device running on different wireless medium using a interconnect model. In this project we use a model that is based on FPGA. Using FPGA rather than microcontroller has its various advantages such as low power consumption, high computation speed and better efficiency. Also for the wireless m

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Le, Duy Tuan Anh, Huy Nguyen, and Yeong Min Jang. "An Experimental Demonstration of 2D-Multiple-Input-Multiple-Output-Based Deep Learning for Optical Camera Communication." Applied Sciences 14, no. 3 (2024): 1003. http://dx.doi.org/10.3390/app14031003.

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Currently, radio frequency (RF) waveforms are widely used in wireless communication systems and are widely used in many fields to improve human quality of life. In Internet of Things (IoT) systems and satellite systems, the installation and deployment of wireless communication systems have become easier and offer many advantages compared to wired communication. However, high RF frequencies can have detrimental effects on the human body. Therefore, the visible light bandwidth is being researched and used as a replacement for RF in certain wireless communication systems. Several strategies have

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Gao, Wen Hua, J. Ma, and L. Kang. "Design of Personal Positioning for Coal Mine Based on Mesh." Advanced Materials Research 44-46 (June 2008): 443–48. http://dx.doi.org/10.4028/www.scientific.net/amr.44-46.443.

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This paper puts forward a method for a location system for colliery worker based on wireless mesh network combined with zigbee technology which supports IEEE 802.15.4 wireless communication standard, with low power dissipation. Data receipt and transmission by wireless communication is realized by RF chip MC13192 produced by Freescale company. Data procession and analysis is achieved by S3C2410A chip manufactured by Sumsung which belongs to ARM9 16/32 RISC processor.

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Daldal, Nihat, Majid Nour, and Kemal Polat. "The Methods toward Improving Communication Performance in Transparent Radio Frequency Signals." Mathematical Problems in Engineering 2020 (April 24, 2020): 1–8. http://dx.doi.org/10.1155/2020/7175864.

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In wireless digital communications, amplitude-shift keying (ASK) and frequency-shift keying (FSK) modules are often used and radio frequency (RF), communication synchronization, and noise problems affect the performance very much. In particular, the sending of byte-type data called synchronous and preamble before sending data in intermodule communication increases the sent data and decreases the speed. Also, the microcontroller at the output of the RF receiver module continuously listens to the RF noise and analyzes incoming data, but this increases the processing load of the microcontroller.

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Researcher. "COMPREHENSIVE ANALYSIS OF EMERGING TECHNIQUES IN THE DESIGN OF MULTI-BAND RADIO FREQUENCY CIRCUITS FOR ULTRA-LOW POWER WIRELESS COMMUNICATION SYSTEMS." Journal of Electronics Circuits (JOEC) 3, no. 1 (2025): 1–6. https://doi.org/10.5281/zenodo.14737359.

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The rapid evolution of ultra-low power (ULP) wireless communication systems has necessitated innovative advancements in multi-band radio frequency (RF) circuit design. Multi-band circuits enable devices to operate efficiently across diverse frequency bands, ensuring compatibility and adaptability in increasingly complex wireless ecosystems. This paper provides a comprehensive review of emerging techniques in multi-band RF circuit design, focusing on challenges, breakthroughs, and future opportunities. Key innovations in impedance matching, harmonic suppression, and reconfigurable architectures

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Cao, Xinran. "Review on filtering antenna technology for 5G mobile system." Journal of Physics: Conference Series 2649, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1742-6596/2649/1/012012.

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Abstract In recent years, people’s increased demand for wireless communication technology fuels the development of 5G communication technology growth. Electronic equipment in the current wireless communication system is developing in the direction of low power consumption, multi-function, miniaturization, and integration, which also puts higher technical standards for RF front-end. In recent years, the wireless communication industry is building lighter, thinner, and smaller products with multifunction. The integration of filter and antenna is one of the important ways for the miniaturization

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Dr., Thida Aung. "Wireless Remote using RF Module." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 1639–43. https://doi.org/10.5281/zenodo.3591201.

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With advanced technology, people try to avail wireless technologies in different roles. In this paper, the RF modules are implemented as modernized wireless system to overcome the use of wire. RF transmitter and RF receiver are main devices of the system. And then LED, transformer, relay, and push buttons are used as supporting components of the system. HT12E and HT12D are mainly used for decoding and encoding the data. The HT12E encoder IC converts the 4 bit data from the 4 data pins that are connected to buttons into serial data. This serial data is sent to RF transmitter. The RF transmitter

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Helali, Abdelhamid, Feten Ouni, Mohsen Nasri, and Hassen Maaref. "Adaptive low-power CMOS LNA in internet of things based wireless sensor networks." International Journal of Engineering & Technology 9, no. 3 (2020): 616. http://dx.doi.org/10.14419/ijet.v9i3.30824.

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With the increasing need for the Internet of things (IoT), wireless communication has become a popular technology for the network. This explosion of IoT wireless applications makes the power consumption a key metric in the design of wireless sensor nodes. The major constraint of the wireless sensors nodes is battery energy, which is the mainly challenging problem in designing IoT network. these constraints have imposed new yet stringent specs to the design of RF front-ends. The design of adaptive radio-frequency circuits, in order to reduce power consumption, is of interest. In a RF receiver c

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Zhang, Zhenyu, Anas Chaaban, and Lutz Lampe. "Physical layer security in light-fidelity systems." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 378, no. 2169 (2020): 20190193. http://dx.doi.org/10.1098/rsta.2019.0193.

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Light-fidelity (LiFi) is a light-based wireless communication technology which can complement radio-frequency (RF) communication technologies for indoor applications. Although LiFi signals are spatially more contained than RF signals, the broadcasting nature of LiFi also makes it susceptible to eavesdropping. Therefore, it is important to secure the transmitted data against potential eavesdroppers. In this paper, an overview of the recent developments pertaining to LiFi physical layer security (PLS) is provided, and the main differences between LiFi PLS and RF PLS are explained. LiFi achievabl

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Shahriar, S., I. Rahaman, A. Bin Karim, M. M. Hasan, F. Chowdhury, and M. Sarker. "Bridging Internet of Things and Wireless Sensor Networks: Applications and Challenges." Indonesian Journal of Computing, Engineering and Design (IJoCED) 2, no. 1 (2020): 13. http://dx.doi.org/10.35806/ijoced.v2i1.99.

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With the increasing demand of Wireless Sensor Networks (WSNs) innovations, it cuts numerous zones mobile communication, cloud computing and embedded system in modern living. Inter-net of Things (IoT) is widely used in environmental condition monitoring, logistic support and interfacing sensors and actuators wirelessly, which can be controlled from very long distance. This offers the capacity to control the world from a corner of a room. Wherein sensors and actuators operate reliably with the help of IoT. Wireless data transmission that uses Radio Frequency (RF) has major technical burdens and

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Schirripa Spagnolo, Giuseppe, Lorenzo Cozzella, and Fabio Leccese. "Underwater Optical Wireless Communications: Overview." Sensors 20, no. 8 (2020): 2261. http://dx.doi.org/10.3390/s20082261.

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Underwater Optical Wireless Communication (UOWC) is not a new idea, but it has recently attracted renewed interest since seawater presents a reduced absorption window for blue-green light. Due to its higher bandwidth, underwater optical wireless communications can support higher data rates at low latency levels compared to acoustic and RF counterparts. The paper is aimed at those who want to undertake studies on UOWC. It offers an overview on the current technologies and those potentially available soon. Particular attention has been given to offering a recent bibliography, especially on the u

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