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Artykuły w czasopismach na temat „RF Receiver and Transmitter”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Hariharan, A., P. Hariharan, V. Dinesh, R. Deleep Kumar, and J. E. Jeyanthi. "Wireless Animatronic Hand." International Journal of Membrane Science and Technology 10, no. 2 (2023): 2608–17. http://dx.doi.org/10.15379/ijmst.v10i2.2931.

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As a result of employees utilizing their bare hands, there are more accidents in industries every year. Animatronic hands resemble human hands and are capable of carrying out a variety of tasks that humans are unable to do. Human hands cannot readily finish difficult tasks, but animatronic hands can mimic human movements and complete them. A number of actuators and sensors make up the robotic hand, which are managed by a person's hand. The pushers control how far the fingers can move. We employ flex sensors to detect the positions. The positions and motion of the hand are reported by sensors t

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2

Gayatri, Mohanta. "Wireless Power Transmission Systems: A Review." Journal of Optoelectronics and Communication 4, no. 3 (2023): 1–7. https://doi.org/10.5281/zenodo.7500339.

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<em>The wireless power transmission system combines three parts: the transmitter antenna, free space channel and receiver antenna. The first part is the transmitter antenna in which an RF source is present, the transmitter antenna converts electrical signals to microwaves. After transmission from the transmitter antenna, the focused microwave beam carries the RF power and travels through free space and moves towards the receiver antenna, where the receiver antenna receives the RF energy for the conversion to DC electricity. There is a matching impedance circuit and rectifier circuit between th

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3

Rehman, Muhammad Riaz Ur, Imran Ali, Danial Khan, et al. "A Design of Adaptive Control and Communication Protocol for SWIPT System in 180 nm CMOS Process for Sensor Applications." Sensors 21, no. 3 (2021): 848. http://dx.doi.org/10.3390/s21030848.

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This paper presents an adaptive control and communication protocol (ACCP) for the ultra-low power simultaneous wireless information and power transfer (SWIPT) system for sensor applications. The SWIPT system-related operations depend on harvested radio frequency (RF) energy from the ambient environment. The necessary power for SWIPT system operation is not always available and it depends on the available RF energy in the ambient environment, transmitted RF power from the SWIPT transmitter, and the distance from the transmitter and channel conditions. Thus, an efficient control and communicatio

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4

Pranjali, V. Gurnule. "Wireless Jamming Networks." International Journal of Trend in Scientific Research and Development 2, no. 4 (2018): 1931–35. https://doi.org/10.31142/ijtsrd14455.

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A mobile jammer is a device which is used to jam signals of a cell phone from receiving signals from base stations. Mobile jammer is used majorly where the disturbances that are occurred with the cell phones. So, in this paper we are designing a new Mobile Jammer unit which is capable of blocking the working of a cell phone from not receiving signal from Base Station. This was implemented using FPGA by interfacing Mobile Device, RF Transmitter and RF Receiver and LCD Unit. Keywords-Jammers, Mobile Jammer, FPGA, RF Transmitter, RF Receiver, LCD Pranjali V Gurnule "Wireless Jamming Networks

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5

Mouleeshu, Warapprabu R., Dharshini S. Niviya, Emmanuel G. Pearlstone, K.M. Sathish, and Arafath M. Yashar. "Make Way: An Intelligent Real-Time Traffic Light Control System." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 2 (2019): 709–12. https://doi.org/10.35940/ijeat.B3575.129219.

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Nowadays, automatic traffic light control is becoming an important requirement for travelers and number of road users especially for emergency service providers such as ambulance drivers, fire fighters etc... Various alternatives have been proposed, but it has certain limitations.One such example is using an RF transmitter mounted on the ambulance which will communicate with the RF receiver mounted on the signal post in the traffic control system. A special algorithm is provided to control the traffic signals automatically by pressing the key provided in the keybord on the ambulance by the dri

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6

K., Selvakumar, Palanisamy R., Noyal Doss M.Arun, et al. "Gesture recognition vehicle using PIC microcontroller." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 19, no. 1 (2020): 66–76. https://doi.org/10.11591/ijeecs.v19.i1.pp66-76.

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In this paper we introduce a hand controlled robotic vehicle. Hand control robotic vehicle consists of a transmitter module and a receiver module. The transmitter will be placed on a hand glove and the receiver will be placed on the motor drive along with PIC microcontroller and motor driver IC. The RF transmitter sends commands to the IC which then forwards the commands to RF receiver. The RF receiver then sends the commands to PIC microcontroller on the vehicle which processes the commands so that the vehicle moves in the specified desired direction. It is having proposed utility in field of

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7

Rehman, Saeed Ur, Shafiq Alam, and Iman T. Ardekani. "An Overview of Radio Frequency Fingerprinting for Low-End Devices." International Journal of Mobile Computing and Multimedia Communications 6, no. 3 (2014): 1–21. http://dx.doi.org/10.4018/ijmcmc.2014070101.

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RF fingerprinting is proposed as a means of providing an additional layer of security for wireless devices. A masquerading or impersonation attacks can be prevented by establishing the identity of wireless transmitter using unique transmitter RF fingerprint. Unique RF fingerprints are attributable to the analog components (digital-to-analog converters, band-pass filters, frequency mixers and power amplifiers) present in the RF front ends of transmitters. Most of the previous researches have reported promising results with an accuracy of up to 99% using high-end receivers (e.g. Giga-sampling ra

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8

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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9

Deepanshu, Kiran, Singh Himanshu, and Kant Singh Saxeriya Kushal. "Gesture Control Robot using Arduino." International Journal of Trend in Scientific Research and Development 3, no. 3 (2019): 1467–69. https://doi.org/10.31142/ijtsrd23411.

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According to the World Federation of the Deaf, only 10 percent of the worlds Deaf population receives any education, and only 3 percent receives this education in sign language. Another problem these deaf and face is inability to communicate with a person who does not understand the sign language. This project aims to reduce these problems by presenting a Sign Language. The project uses a hepatic glove to acquire signals corresponding to various hand gestures. The glove is interfaced with robot using an Arduino. Accelerometers are used to measure the angular displacement of human hand motion .

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10

Ramdhan M.S, Muhammad, Muhammad Ali, Nurzal Effiyana G, Samura Ali, and Kamaludin M.Y. "Measuring the underwater received power behavior for 433 mhz radio frequency based on different distance and depth for the development of an underwater wireless sensor network." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 1066–73. http://dx.doi.org/10.11591/eei.v8i3.1604.

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Underwater wireless sensor network (UWSN) important to enhance the widely use of the application of the Internet of things (IoT) for underwater. Uses of the acoustics base of wave propagations are the best ways to establish the UWSN. But the unpracticality of the hardware due to the size and cost has limited the application of UWSN. Radio frequency (RF) wave propagation is the best way to overcome this situation. Low frequency of the RF wave is proven feasible and suitable for underwater communication. 433 MHz RF were chosen to measuring the underwater received power behavior between the trans

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11

Muhammad, Ramdhan M. S., Ali Muhammad, Effiyana G. Nurzal, Ali Samura, and M. Y. Kamaludin. "Measuring the underwater received power behavior for 433 mhz radio frequency based on different distance and depth for the development of an underwater wireless sensor network." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 1066–73. https://doi.org/10.11591/eei.v8i3.1604.

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Underwater wireless sensor network (UWSN) important to enhance the widely use of the application of the Internet of things (IoT) for underwater. Uses of the acoustics base of wave propagations are the best ways to establish the UWSN. But the unpracticality of the hardware due to the size and cost has limited the application of UWSN. Radio frequency (RF) wave propagation is the best way to overcome this situation. Low frequency of the RF wave is proven feasible and suitable for underwater communication. 433 MHz RF were chosen to measuring the underwater received power behavior between the trans

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12

Kuriakose, Joyal, Ribin Scariah, ,Lekshmi S. Nair, and Dr Rajesh K S. "Public Transportation Assistance for Blind Using IOT." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem42432.

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Public transportation assistance device for the blind is aimed at providing an assistance to the visually impaired in effectively utilizing the public transportation system by identifying his/her suitable vehicle for boarding, avoid unwanted ones. The use of multiple RF modules allows the blind to access more locations. The work involves using RF transmitter and receiver which uses a 433 MHz frequency band to transmit and receive signals between the bus and blind person. The haptic feedback motor is used to generate vibrations according to the messages received which informs the blind to get r

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13

Sindgi, Anuapam, and Udigala Basavaraju Mahadevaswamy. "FPGA implementation of DTCWT architecture's high-speed DA structure for OFDM-based transceiver with CS." Bulletin of Electrical Engineering and Informatics 13, no. 2 (2024): 1069–79. http://dx.doi.org/10.11591/eei.v13i2.6543.

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Communication systems at millimeter-wave (mm-wave) frequencies with high propagation losses use radio frequency (RF) budget analysis. RF system gains and losses ensure the receiver can recover the broadcast signal. Modern communication systems use compressive sensing (CS) and discrete wavelet transform (DWT). Hardware implementation is hard. Fieldprogrammable gate arrays (FPGA) adaptability, configurability, and processing speed make them popular. More mm-wave transceivers use FPGAs and advanced signal processing. FPGA-based mm-wave transceivers use compressed sensing and dual-tree complex wav

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14

Shah, Syed Mazhar Ali. "Multi-Way Controlled Robot Vehicle Using Arduino and RF Module." Journal of Applied Engineering & Technology (JAET) 5, no. 1 (2021): 1–8. http://dx.doi.org/10.55447/jaet.05.01.29.

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This work aims to control the robot vehicle motion using a PC. The receiver section controls the robot vehicle direction according to the commands given from the PC which is sent through the transmitter section utilizing RF wireless communication. Arduino UNO is used as a control unit. There are two sections, one is a transmitter and the other receiver. The transmitter unit consists of a PC with a graphical interface, Arduino UNO board, microphone and RF transmitter. The Arduino UNO board is connected to the computer via a USB connector. The receiving sections are composed of DC gear motors wi

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15

Kahn, A. R., E. Y. Chow, O. Abdel-Latief, and P. P. Irazoqui. "Low-Power, High Data Rate Transceiver System for Implantable Prostheses." International Journal of Telemedicine and Applications 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/563903.

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Wireless telemetry is crucial for long-term implantable neural recording systems. RF-encoded neurological signals often require high data-rates to transmit information from multiple electrodes with a sufficient sampling frequency and resolution. In this work, we quantify the effects of interferers and tissue attenuation on a wireless link for optimal design of future systems. The wireless link consists of an external receiver capable of demodulating FSK/OOK transmission at speeds up to 8 Mbps, with <1e-5 bit-error rate (BER) without error correction, and a fully implanted transmitter consum

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16

Rustamaji, Rustamaji, Kania Sawitri, and Arief Shubhan Hakim. "Penerima Sinyal Emergency Locator Transmitter dengan Metode Direct Receiver pada Frekuensi 121,5 MHz." Jurnal Teknik Elektro 12, no. 1 (2020): 17–23. http://dx.doi.org/10.15294/jte.v12i1.24208.

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To find out the location of an aircraft accident from an ELT signal beam of 121.5 MHz, search and rescue (SAR) officers or civil aviation authorities need an ELT signal receiver device that works at the same frequency, which is 121.5 MHz. The purpose of this research is to produce an ELT signal receiver with direct receiver method at a frequency of 121.5 MHz which is simpler, requires fewer RF devices, and is according to specifications for civil aviation. In this research, the design and realization of ELT signal receivers are carried out using the direct receiver method, including: a BPF and

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17

Selvakumar, K., Palanisamy R, M. Arun Noyal Doss, et al. "Gesture recognition vehicle using PIC microcontroller." Indonesian Journal of Electrical Engineering and Computer Science 19, no. 1 (2020): 66. http://dx.doi.org/10.11591/ijeecs.v19.i1.pp66-75.

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<p>In this paper we introduce a hand controlled robotic vehicle. Hand control robotic vehicle consists of a transmitter module and a receiver module. The transmitter will be placed on a hand glove and the receiver will be placed on the motor drive along with PIC microcontroller and motor driver IC. The RF transmitter sends commands to the IC which then forwards the commands to RF receiver. The RF receiver then sends the commands to PIC microcontroller on the vehicle which processes the commands so that the vehicle moves in the specified direction. It is having proposed utility in field o

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18

LIU, WEIYANG, JINGJING CHEN, HAIYONG WANG, and NANJIAN WU. "A LOW POWER 2.4 GHz RF TRANSCEIVER FOR ZIGBEE APPLICATIONS." Journal of Circuits, Systems and Computers 22, no. 09 (2013): 1340007. http://dx.doi.org/10.1142/s0218126613400070.

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This paper presents a low power RF transceiver for 2.4 GHz ZigBee applications. The current reused inductor-less-load balun low noise amplifier (LNA) with quadrature mixer is proposed for area and power saving for low-IF receiver. The transmitter adopts power efficient power amplifier (PA) to improve transmitting efficiency. This RF transceiver is implemented in 0.18 μm CMOS technology. The receiver achieves 6.5 dB noise figure (NF) and 20 dB conversion gain. The transmitter delivers maximum +3 dBm output power with PA efficiency of 30%. The receiver and transmitter front-end dissipate 1.9 mW

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19

Yadav, Sudhakar, B. Eswara Reddy, and K. G. Srinivasa. "Handling Medical Emergencies Through Better Interaction With Real-World Entities via GSM." International Journal of Vehicular Telematics and Infotainment Systems 2, no. 1 (2018): 48–67. http://dx.doi.org/10.4018/ijvtis.2018010104.

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This article aims to provide innovative system for tracking and monitoring health objects using RF transmitters and receivers. We begin by proposing a prototype for the system and perform a simulation to check the feasibility of this project before applying it to a real-world scenario. In this simulation model, we test the capability of the transmitter and receiver to communicate effectively and also display the data sent by the transmitter. As a result, highly flexible wireless controlled systems would enable the bridging of the distance between the user and the electronic device. This would

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20

Sivaranjani, S. "IoT Based Smart Helmet for Motorcyclists." International Journal of Multidisciplinary Research Transactions 5, no. 12 (2024): 1–12. https://doi.org/10.5281/zenodo.10636630.

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IoT based smart helmet for motorcyclists which automatically checks whether the person is wearing the helmet and has non- alcoholic breath while driving. Here we have a transmitter at the helmet and the receiver at the bike. There is a limit switch used to ensure the wearing of helmet on the head. The ON condition of the switch ensures the placing of the helmet in proper manner. An alcohol sensor is placed near to the mouth of the driver in the helmet to detect the presence of alcohol. The data to be transferred is coded with RF encoder and transmitted through rad

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21

Abanto-Leon, Luis F., Andreas Bäuml, Gek Hong (Allyson) Sim, Matthias Hollick, and Arash Asadi. "Stay Connected, Leave no Trace: Enhancing Security and Privacy in WiFi via Obfuscating Radiometric Fingerprints." ACM SIGMETRICS Performance Evaluation Review 49, no. 1 (2022): 83–84. http://dx.doi.org/10.1145/3543516.3456280.

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The intrinsic hardware imperfection of WiFi chipsets manifests itself in the transmitted signal, leading to a unique radiometric (radio frequency) fingerprint. This fingerprint can be used as an additional means of authentication to enhance security. In this paper, we prove analytically and experimentally that these solutions are highly vulnerable to impersonation attacks. We also demonstrate that such a unique device-specific signature can be abused to track devices, thus violating privacy. We propose RF-Veil, a radiometric fingerprinting solution that is not only robust against impersonation

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22

Ravva*, Vijaya Durga, and Allan Mc Lauchlin. "The BER Analysis of MIMO System for M-PSK over Different Fading Channels using STBC Code Structure." International Journal of Recent Technology and Engineering (IJRTE) 8, no. 3 (2019): 5831–36. http://dx.doi.org/10.35940/ijrte.a5309.098319.

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High information rates inside the restricted frequency (RF) spectrum is often fascinating that results in radios with capabilities on the far side a single-input single-output (SISO) topology. In recent days introduced wireless systems have adopted multiple-input multiple-output (MIMO) topologies that use 2 or more transmitters and 2 or more receivers to send information at the same time over same RF bandwidth. The performance of MIMO system may be improved by involving multiple antennas at transmitter and receiver therefore on offer spatial diversity. during this paper, the performance analys

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23

Rao, K.V.Ranga, Ravikumar A., R. Kumaraiah, and Venkat Ritesh Ghanta. "DETECTION AND DECODING OF ASK SIGNALS USING AN SDR RECEIVER." COMPUSOFT: An International Journal of Advanced Computer Technology 07, no. 09 (2018): 2807–13. https://doi.org/10.5281/zenodo.14810334.

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On-Off Keying (OOK) is one of the most basic form of communication widely used today. The objective of this paper is to receive, detect and decode an OOK signal in the radio spectrum. For the reception of the radio signal, an SDR receiver is used. This device receives the RF signal and down-converts it to a frequency usable by an inbuilt ADC. The ADC outputs I/Q samples which are then forwarded to a computer via the USB port. By processing the received signal, it is determined whether or not, the received signal is an OOK signal and if it is, then it is further processed and decoded. There are

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24

Shukla, Anita, Ankit Jain, Prajjwal Mishra, and Rahul Kushwaha. "Human Gesture Controlled Car Robot." SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology 11, no. 02 (2019): 115–22. http://dx.doi.org/10.18090/samriddhi.v11i02.5.

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In present era of development and growth, the technology has made possible for people to operate electronic devices more conveniently. Now we are able to operate machines without giving it a touch with the help of technology called Hand Gesture Recognition. Here we have devised a gesture controlled car robot which uses PIC16F738 microcontroller and accelerometer to achieve human computer interaction. In this paper we deal with development and implementation of wireless and an accelerometer based hand gesture controlled car robot using RF transmitter and receiver. Transmitter detects the moveme

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25

Lee, Keun-Wang, and Il-Ho Park. "Design and Implementation of A PC Protection using RF Transmitter-Receiver." Journal of the Korea Academia-Industrial cooperation Society 10, no. 2 (2009): 287–93. http://dx.doi.org/10.5762/kais.2009.10.2.287.

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V.Usha, Rani, Cherukupally.Devaraju, varma K.Abhiram, and Ganta.Chandrasekhar. "Smart Zone-Based Vehicle Speed Control and Drowsiness Detection Using Webcam." International Journal of Advanced And Applied Sciences 1, no. 2 (2023): 68–72. https://doi.org/10.5281/zenodo.7954182.

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This project aims to develop efficient automatic wireless vehicle cruise control at low speeds using RF. The emergence of new technologies and increasing computational power has created real opportunities to implement new robotic controllers and new methods of control theory. This technological advancement and the need for high-performance robots has created faster, more accurate, and smarter robots using new robot controllers, new drivers, and advanced control algorithms. The module in the project is an RF transmitter and receiver module for establishing wireless communication and his DC moto

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Rossi, Massimiliano, Riccardo Liberati, Marco Frasca, and John Richardson. "Experimental Implementation of a Low-Cost, Fully-Analog Self-Jamming Canceller for UHF RFID Devices." Electronics 9, no. 5 (2020): 786. http://dx.doi.org/10.3390/electronics9050786.

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It is quite common for transceivers to operate with the RF receiver and transmitter working on different time slots. Typical applications are radars and transceivers in the field of communications. Generally, the receiver is turned off when the transmitter broadcasts and vice versa. This is done in order to prevent the transmitter from blinding the receiver or causing the RF low noise amplification (LNA) stage to saturate. When keeping a receiver active, some leakage of RF energy is inevitable, and therefore shielding is applied to mitigate spurious signals. However, there are many application

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Nur Rohman, Frima Setyawan, Ahmadan Ainul Fikri, Ahmad nur Fuad, Rahmat Rohim, and Rifki Firmansyah. "Telemetri Flowmeter Menggunakan RF Modul 433MHz." Journal of Electrical and Electronic Engineering-UMSIDA 1, no. 1 (2017): 8. http://dx.doi.org/10.21070/jeee-u.v1i1.9.

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Abstract - In the 20th century this distance is still a constraint in efforts to measure and retrieve data. In an efficiency effort, a long distance measuring device is required. One method to measure from a distance is to use the Telemetry method. Telemetry is a method for measuring a variable in which monitoring is done remotely. The use of telemetry can be used to transmit data from the flowmeter sensor to be received by the receiver. This study discusses the effect of obstacles on transmitter work to send data to the receiver and test the accuracy of the flowmeter sensor. From this study i

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Bhatta, Ayush, Md Kamrojjaman, Sanghoon Sim, and Jeong-Geun Kim. "A 5G NR FR2 Beamforming System with Integrated Transceiver Module." Sensors 24, no. 6 (2024): 1983. http://dx.doi.org/10.3390/s24061983.

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This paper presents a 5G new radio (NR) FR2 beamforming system with an integrated transceiver module. A real-time operating module providing enhanced flexibility and capability has been proposed. The integrated RF beamforming system with an integrated transceiver module can be operated in 8Tx-8Rx mode configuration simultaneously. A series-fed structure 8 × 7 microstrip antenna array for compact size and improved directivity is employed in the RF beamforming module. The RF beamforming module incorporates a custom 28 GHz, eight-channel fully differential beamforming IC (BFIC). An eight-channel

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Kosmanos, Dimitrios, Antonios Argyriou, and Leandros Maglaras. "Estimating the Relative Speed of RF Jammers in VANETs." Security and Communication Networks 2019 (November 23, 2019): 1–18. http://dx.doi.org/10.1155/2019/2064348.

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Vehicular Ad Hoc Networks (VANETs) aim at enhancing road safety and providing a comfortable driving environment by delivering early warning and infotainment messages to the drivers. Jamming attacks, however, pose a significant threat to their performance. In this paper, we propose a novel Relative Speed Estimation Algorithm (RSEA) of a moving vehicle that approaches a transmitter (Tx)-receiver (Rx) pair that interferes with their radio frequency (RF) communication by conducting a denial of service (DoS) attack. Our scheme is completely passive and uses a pilot-based received signal without har

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31

Kiayani, Adnan, Lauri Anttila, Yaning Zou, and Mikko Valkama. "Advanced Receiver Design for Mitigating Multiple RF Impairments in OFDM Systems: Algorithms and RF Measurements." Journal of Electrical and Computer Engineering 2012 (2012): 1–16. http://dx.doi.org/10.1155/2012/730537.

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Direct-conversion architecture-based orthogonal frequency division multiplexing (OFDM) systems are troubled by impairments such as in-phase and quadrature-phase (I/Q) imbalance and carrier frequency offset (CFO). These impairments are unavoidable in any practical implementation and severely degrade the obtainable link performance. In this contribution, we study the joint impact of frequency-selective I/Q imbalance at both transmitter and receiver together with channel distortions and CFO error. Two estimation and compensation structures based on different pilot patterns are proposed for coping

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32

Yusuf, Samson Dauda, and Bello Babatunde Fatai. "Simulation and Construction of Wireless Heartbeat and Body Temperature Monitoring Device Using Microcontroller." Asian Journal of Research in Computer Science 17, no. 9 (2024): 39–57. http://dx.doi.org/10.9734/ajrcos/2024/v17i9498.

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Heart rate and body temperature are important health parameter that need to be monitored especially for the old aged that needs constant medical care. In this study, simulation and construction of wireless body temperature and heartbeat monitoring device was carried out using PIC16F886 microcontroller and RF module. The circuit was simulated using Proteus8.4, while a prototype was constructed on a Vero board. The circuit was tested by measuring temperature and heartbeat of 20 volunteers during different levels of activities. Result shows that, the transmitter section, reads body temperature an

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Ramsaroop, Neetu, and Oludayo O. Olugbara. "Wireless Power Transfer Using Harvested Radio Frequency Energy with Magnetic Resonance Coupling to Charge Mobile Device Batteries." Applied Sciences 11, no. 16 (2021): 7707. http://dx.doi.org/10.3390/app11167707.

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This research paper presents the design of a wireless power transfer (WPT) circuit integrated with magnetic resonance coupling (MRC) and harvested radio frequency (RF) energy to wirelessly charge the battery of a mobile device. A capacitor (100 µF, 16 V) in the RF energy harvesting circuit stored the converted power, and the accumulated voltage stored in the capacitor was 9.46 V. The foundation of the proposed WPT prototype circuit included two coils (28 AWG)—a transmitter coil, and a receiver coil. The transmitter coil was energized by the alternating current (AC), which produced a magnetic f

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Mataubenu, Kostan D. F. "Desain Jaringan Sensor Nirkabel untuk Pemantauan Suhu Dan Kelembaban Lingkungan Berbasis SMS." Jurnal Saintek Lahan Kering 2, no. 1 (2019): 1–4. http://dx.doi.org/10.32938/slk.v2i1.665.

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Variabel fisis dalam kehidupan sehari-hari yang perlu dipantau menggunakan jaringan sensor nirkabel adalah suhu dan kelembaban. Keuntungan menggunakan jaringan sensor nirkabel adalah meningkatkan resolusi data pengukuran, pengontrolan jarak jauh, peningkatan efisiensi, memudahkan pengukuran pada daerah yang sulit dijangkau oleh manusia dan sebagainya. Oleh karena itu dalam penelitian ini dikembangkan jaringan sensor nirkabel untuk aplikasi pemantauan suhu dan kelembaban lingkungan. Sistem dirancang dengan topologi star yang terdiri dari dua bagian besar yaitu transmitter (pemancar) dan receive

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Prof. Madhuri Zambre. "Automatic Vehicle Over speed Controlling System using Microcontroller Unit and ARCAD." International Journal of New Practices in Management and Engineering 5, no. 04 (2016): 01–05. http://dx.doi.org/10.17762/ijnpme.v5i04.47.

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The main purpose of this paper is to develop a system that avoid accidents because of vehicles with high speed. Also, authorizes the pedestrians and public to cross the highway road with no risk from vehicles which are moving with high speed. Generally, drivers of the vehicles with high speed drives in an uncontrollable manner even in speed limited areas without taking into consideration about the public. Even traffic policemen could not able to control them and attain good response from the high speed vehicle drivers. Also, we cannot monitor them to limit their speed at all times in those are

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VEENA, P.N, and BANAKAR LOHIT. "Vehicle speed reduction system." International Journal of Innovative Research and Creative Technology 4, no. 6 (2018): 169–75. https://doi.org/10.5281/zenodo.8185507.

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A very big problem facing by the big-big cities are traffic control, vehicle safety and safety for passengers. Most of the vehicles get accident because no proper safety measures are taken especially at curves and hair pin bends humps and any obstacles in front of the vehicle. In this system we can be used for the prevention of such problems by indicating a pre indication and also reducing the speed of vehicles by reducing the fuel rate of vehicle. As the action is in terms of fuel rate so the vehicle automatically goes to control and avoids the accidents. In the curves the line of sight is no

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Boynazarov, Rauf Ne'matullo o'g'li, and Shoxboz Ochil o'g'li Xaydarov. "RF TRANSMITTER VA QABUL QILGICH DATCHIKLARI ORQALI MOTORLAR CHASTOTA VA TEZLIGINI MASOFADAN BOSHQARISH." Involta Scientific Journal 3, no. 11 (2024): 41–43. https://doi.org/10.5281/zenodo.14249229.

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Masofadan boshqaruv tizimlari hozirgi zamon texnologiyalarida keng qo‘llaniladi. RF transmitter va receiver modullari arzon, ishonchli va uzoq masofaga signal uzatish imkoniyatiga ega. Ushbu maqolada motorlar chastota va tezligini masofadan boshqarish uchun RF modullar va datchiklar yordamida avtomatik qurilma yaratish tamoyillari ko‘rib chiqiladi.

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Tejaswi, Dhruthi, Samudrala Vinay, Vidyuth Sriram, Ananda M., and Kalpana A.B. "Design of a Novel 2.4GHz RF Transmitter." International Journal of Advanced Science Computing and Engineering 3, no. 3 (2021): 101–12. http://dx.doi.org/10.30630/ijasce.3.3.50.

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The world of Wireless Technology has been improving consistently due to its high speed and reliability. Some of the demands that need to be fulfilled include larger network capacity, improved data rates and so on. This paper focuses on the design and simulation of the Transmitter, which is a key component in an RF Transceiver Module. It is built by cascading an Up Conversion Mixer, a Bandpass Filter and a Power Amplifier as its most fundamental units. The Cadence Virtuoso Tool was used to construct this Transmitter block in 180nm node technology. The IF signal to the Mixer is 100 MHz and the L

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Tejaswi, Dhruthi, Samudrala Vinay, Vidyuth Sriram, Ananda M., and Kalpana A.B. "Design of a Novel 2.4GHz RF Transmitter." International Journal of Advanced Science Computing and Engineering 3, no. 3 (2021): 101–12. http://dx.doi.org/10.62527/ijasce.3.3.50.

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The world of Wireless Technology has been improving consistently due to its high speed and reliability. Some of the demands that need to be fulfilled include larger network capacity, improved data rates and so on. This paper focuses on the design and simulation of the Transmitter, which is a key component in an RF Transceiver Module. It is built by cascading an Up Conversion Mixer, a Bandpass Filter and a Power Amplifier as its most fundamental units. The Cadence Virtuoso Tool was used to construct this Transmitter block in 180nm node technology. The IF signal to the Mixer is 100 MHz and the L

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Kambale, Jayshree Das, I. A. Pasha, and Ramesh Deshpande. "Continuous Wave Radar System Simulator Using MATLAB/Simulink." ECS Transactions 107, no. 1 (2022): 15487–95. http://dx.doi.org/10.1149/10701.15487ecst.

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MATLAB/Simulink was come across as a software platform, communication system tool box, RF tool box, and signal processing tool box were utilized for the design of Continuous Wave (CW) radar system and measured the signal power and processing gain of the system. Linear and non-linear transmitter and receiver systems considered for the study of the CW radar. CW radar system and its mathematical model built using MATLAB/Simulink. In the simulation model, core components of CW radar, including pulse width generator, linear and non-linear RF transmitter and receiver, antenna model, digital filter,

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Siddiqui, Subhana Ayesha. "Smart Zone-Based Vehicle Speed Retarding System Utilizing Radio Frequency (RF) in Electronic Vehicles." International Journal for Research in Applied Science and Engineering Technology 12, no. 10 (2024): 762–67. http://dx.doi.org/10.22214/ijraset.2024.64691.

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The proposed system aims in designing an efficient automatic wireless vehicle speed control in low-speed zones using RF communication. The advent of new high-speed technology and the growing computer capacity provided realistic opportunity for new robot controls and realization of new methods of control theory. This technical improvement together with the need for high performance robots created faster, more accurate and more intelligent robots using new robots control devices, new drivers and advanced control algorithms. The proposed method uses RF transmitter and receiver modules for establi

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Nikseresht, Sasan, Daniel Fernández, Jordi Cosp-Vilella, Irina Selin-Lorenzo, and Jordi Madrenas. "CMOS Wireless Hybrid Transceiver Powered by Integrated Photodiodes for Ultra-Low-Power IoT Applications." Electronics 13, no. 1 (2023): 28. http://dx.doi.org/10.3390/electronics13010028.

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In this article, a communication platform for a self-powered integrated light energy harvester based on a wireless hybrid transceiver is proposed. It consists of an optical receiver and a reconfigurable radio frequency (RF) transmitter. The hybrid optical/RF communication approach improves load balancing, energy efficiency, security, and interference reduction. A light beam for communication in the downlink, coupled with a 1 MHz radio frequency signal for the uplink, offers a small area and ultra-low-power consumption design for Smart Dust/IoT applications. The optical receiver employs a new c

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Khine, Myint Mon, Lei Hnin Lei, and Sandar Aung |. Ye Mann Aung Aye. "Remote Operated Spy Robot Vehicle." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 2049–53. https://doi.org/10.5281/zenodo.3591797.

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Remote operated spy robot vehicle can be controlled by using a wireless remote controller. It can capture audio and video information from the surroundings and can be sent to a remote station through RF signals. The maximum range is 125meters. It overcomes the limited range of infrared remote controllers. HT12e encoder, HT12d decoder, RF433MHz transmitter and receiver modules are used for the spy robot and the remote control. H Bridge circuits are used to drive two 12V motors. By pressing any key in remote controller, the HT12e encoder generates 8 address bit and 4 data bit. The RF module tran

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Yerkewar, Dr Praful N. "Household Device Tracking System." International Journal for Research in Applied Science and Engineering Technology 13, no. 5 (2025): 803–10. https://doi.org/10.22214/ijraset.2025.70269.

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As we all know in our daily life We often lose our daily use items such as keys, remote, etc. and scour the entire house for them before finding them after a protracted hunt. Consequently, we suggest in this post to use RF module, a buzzer, and a battery to make a simple smart tracking system called the household device tracking system. This article explains the development of small circuits that can be attached to the devices. The main purpose of the household device tracking system is to make our everyday life easier. The household device tracking system aims to solve this problem so that th

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X, Mariya Bertilla Sharon, Tejas M, Ashok Kumar Reddy P, Thenamuthan V, and Dr T. Meenakshi. "Voice Command Driven Smart Pet Feeding System." International Journal for Research in Applied Science and Engineering Technology 13, no. 3 (2025): 3306–8. https://doi.org/10.22214/ijraset.2025.68071.

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Abstract: This paper presents a novel voice command-driven smart pet feeding system that utilizes Internet of Things (IoT) technology to provide a convenient and automated feeding solution for pet owners. The system consists of a ESP8266 Microcontroller, 12V power supply, GPS module, DC motor, ultrasonic sensor, RF transmitter, RF receiver, web-based user interface (UI), and ESP32 camera. The system allows pet owners to remotely monitor and control their pet's feeding schedule using voice commands through a web UI. The GPS module enables location-based feeding reminders, while the ultrasonic s

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M., Muthugayathridevi, Archana M., Poothapandhichi P., and Arumugam N. "Cloud based RC Book Verification." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 4 (2020): 778–81. https://doi.org/10.35940/ijeat.D7496.049420.

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In the field of transportation , there are such a large amount of documents want to be maintained for every automobile.So, at the same time as driving on public roadways each car proprietor has to carry all of the updated documents of a automobile with them. But it is very hard for proprietor to preserve all of the car documents like RC e book, insurance details, and greater collectively with them always. The misplacement or damaging of files due to climatic situations or as time passes are the biggest issues. If the driving force forgot to carry every body of these documents, he want to prese

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CH, Gnana Manoj. "Intelligent System for Train Engines to Avoid Accidents and to Control the Railway Gate Using Wireless Technology." International Journal for Research in Applied Science and Engineering Technology 10, no. 1 (2022): 1128–30. http://dx.doi.org/10.22214/ijraset.2022.40006.

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Abstract: Since from the past many years the railway Is being the part for accidents un-intendedly in various ways like, accidents during the crossing the lane, accidents that caused due to an obstacle onthe lane an also the Lack of communication between the gate Man and the Loco pilot. In the year 2019 nearly 27,987 accidents were happened due to various reasons. This project will be helpful to avoid these type of accidents Caused by the trains. Here obstacle sensor is used to monitor the track and sense any obstacle if sensed in short distance signal is transmitted to the receiver section wh

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Ogbulezie, Julie C., Brian E. Usibe, and Godwin C. Solomon. "Implementation of a wireless charging system for mobile devices." Global Journal of Pure and Applied Sciences 24, no. 2 (2018): 229–34. http://dx.doi.org/10.4314/gjpas.v24i2.13.

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This work describes the implementation of an RF based wireless charging system using RF transmitting and receiving modules. The objective of this work is to implement a system that has the ability to interact and communicate wirelessly within short range. This mobile wireless charging switching system consists of two sections, the transmitting and the receiving section. Each section was interfaced to 433MHz transmitting and receiving modules. The transmitter section of the wireless mobile charging system sends bursts of 433MHz signal through push button switch which is used in the initiation o

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Liu, Jinyi, Wenwei Li, Tao Gu, et al. "Towards a Dynamic Fresnel Zone Model to WiFi-based Human Activity Recognition." Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 7, no. 2 (2023): 1–24. http://dx.doi.org/10.1145/3596270.

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The passive WiFi sensing research has largely centered on activity sensing using fixed-location WiFi transceivers, leading to the development of several theoretical models that aim to map received WiFi signals to human activity. Of these models, the Fresnel zone model has shown to be particularly noteworthy. However, the growing popularity of mobile WiFi receivers has not been matched by corresponding research on mobile receiver-based theoretical models. This paper fills this gap by presenting the first theoretical model to quantify the impact of moving a moving receiver for WiFi sensing. We p

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Ackerman, Joseph J., and Wei Chen. "4996481 Magnetic resonance RF probe with electromagnetically isolated transmitter and receiver coils." Magnetic Resonance Imaging 10, no. 3 (1992): VIII. http://dx.doi.org/10.1016/0730-725x(92)90553-c.

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