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Low power Wireless

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  • The remaining paper is divided into the following primary sections: Section 2 highlights the WSN concepts and structures. Section 3 presents our proposed algorithm design and implementation. Section 4 describes system testing and results. Section 5 mentions our future development. Finally, the paper concludes in Section 6.

    pdf11p vimarillynhewson 02-01-2024 1 1   Download

  • In this paper, we present a design of a concurrent dual-band power amplifier operating at 5.8 GHz and 9.4 GHz employing a MMIC technology for wireless communications. The active device used is a 0.25 µm AlGaN/GaN HEMT from WIN Semiconductor, Taiwan.

    pdf12p viirenerosenfeld 26-05-2022 7 1   Download

  • This study suggests an optimal coverage model aimed at the optimal deployment of Wireless sensor networks (WSN) based on improving the artificial bee colony (ABC) algorithm. The distance between the sensor nodes is regulated reasonably by implementing quasi-gravitation and quasi-coulomb power. Also, with a low regional repetition rate, the ABC algorithm can achieve fast optimization. Besides, to minimize node energy consumption, the sensing radius of WSN nodes is dynamically modified.

    pdf10p linyanjun_2408 21-04-2022 20 3   Download

  • Energy harvesting technology generating electrical energy from structural responses has been in the spotlight recently because of the development of self-powered autonomous wireless sensor systems. This study proposed and tested a high-sensitivity, high-durability, low-cost vibration power-generating device using a magnetostrictive element (Fe-Ga alloy) on a real-scale prestressed concrete girder to investigate its practical performance.

    pdf4p viwilliamleiding 10-12-2021 10 1   Download

  • This research not only introduced the reference hardware of a sensor node in wireless sensor networks but also conducted experiments on typical LoRaTM network infrastructure. We conduct three different experiments to validate our proposed algorithm with real systems which use air quality sensors and an ultra-low-power micro-controller unit board from Texas instruments.

    pdf12p trinhthamhodang9 04-12-2020 14 0   Download

  • In this framework, low-powered sensor nodes are based on the micro:bit platform, providing a multiple footprints for different sensor connections. The wireless capability on micro:bit provides a complete solution to deploy the system in such places that wire is impractical to draw. The data is wirelessly gathered by a basestation node that is powered by Android Things operating system provided by Google. This operating system is based on the Android platform for smart devices and Internet of Things products.

    pdf11p trinhthamhodang9 04-12-2020 13 0   Download

  • In this paper, an area-efficient low power Fast Fourier Transform (FFT) processor is proposed for Multi Input Multi Output—Orthogonal Frequency Division Multiplexing (MIMO-OFDM) that consists of a modified architecture of radix-2 algorithm which is described as Radix-2 multipath delay commutation (R2MDC). Orthogonal frequencydivision multiplexing is a popular method for high-data-rate wireless transmission.

    pdf8p son248 24-03-2020 24 1   Download

  • The potential of using of millimeter wave (mmWave) frequency for future wireless cellular communication systems has motivated the study of large-scale antenna arrays for achieving highly directional beamforming. However, the conventional fully digital beamforming methods which require one radio frequency (RF) chain per antenna element is not viable for large-scale antenna arrays due to the high cost and high power consumption of RF chain components in high frequencies.

    pdf13p son248 24-03-2020 28 0   Download

  • This paper focuses on improving the power amplifier linearity for wireless communications. The use of a single branch of a power amplifier can produce high distortion with low efficiency.

    pdf7p vivalletta2711 11-01-2020 19 1   Download

  • Based on the context of ubiquitous wireless sensor network (WSN), design of a wireless sensor network and a low power water level monitoring station for urban environment are proposed in this paper. A ubiquitous WSNs based on a high performance and low power consumption Texas Instrument CC1110 module is presented and investigated.

    pdf10p viengland2711 23-07-2019 19 0   Download

  • In this Smart Grid network, a Smart Grid node can receive and send data to Smart Grid centre through a Smart Grid network gateway. Hardware analysis and design of a Smart Grid node and Smart Grid network gateway are proposed with a goal of low cost and efficient energy consumption. Through a practical test of received signal strength measurement in an urban environment, the reliability of data communications of this Smart Grid wireless device has been proved. And finally, by using NS-2 simulation, packet loss and network delay time for different network topologies are evaluated.

    pdf10p minhxaminhyeu4 15-07-2019 19 0   Download

  • This paper presents a low area, low power AES encryption core with the combination of several optimized components in the AES core and some modifications in the core architecture for emerging wireless networks and IoT systems. The detail results of area-speed-power trade-offs in the proposed AES core design are also presented and discussed.

    pdf6p visasuke2711 25-04-2019 18 0   Download

  • WideMac was presented as a novel MAC protocol designed for wireless sensor networks using impulse radio ultra wide band transceivers due to its low power consumption. Because of the luck of synchronization in this protocol, this paper will present a solution for the synchronization problem when there is only one way direction communication.

    pdf7p girlsseek 27-02-2019 23 3   Download

  • This paper presents a low power Wireless Sensor Network using TCP/IP to use Ethernet configuration and hybrid networks to extend range or improve connectivity in distant areas, in particular is Agriculture. The system is designed with soil moisture sensor based on Atmega8L to monitor environmental parameter. The Nordic nRF24L01 was used to transmit the obtained data to the Web server based on Ethernet configuration. Moreover, the SIM800L module was used to upload these data based on GSM/GPRS service in order to make data available globally.

    pdf5p cathydoll4 21-02-2019 32 0   Download

  • Energy harvesting from ambient waste energy for the purpose of running low-powered electronics has emerged during the last decade as an enabling technology for wireless applications. The goal of this technology is to provide remote sources of electric power and/or to recharge storage devices, such as batteries and capacitors. The concept has ecological ramifications in reducing the chemical waste produced by replacing batteries and potential monetary gains by reducing maintenance costs.

    pdf402p nguyenthai_thinh 16-03-2013 106 17   Download

  • Ultra wideband (UWB) has advanced and merged as a technology, and many more people are aware of the potential for this exciting technology. The current UWB field is changing rapidly with new techniques and ideas where several issues are involved in developing the systems. Among UWB system design, the UWB RF transceiver and UWB antenna are the key components. Recently, a considerable amount of researches has been devoted to the development of the UWB RF transceiver and antenna for its enabling high data transmission rates and low power consumption.

    pdf370p cucdai_1 19-10-2012 60 9   Download

  • Over the last couple of years, manufacturers have produced some incredibly sophisticated wireless networking equipment. Consumers’ ongoing demand for low-cost, high-speed, easy-to-use networking gear has forced hardware manufacturers to continually refine their designs. Engineers have produced tiny devices that use very little power to perform amazing feats of ingenuity, producing them on such a large scale that the cost is staggeringly low.

    pdf369p tailieuvip13 19-07-2012 656 233   Download

  • In the early 21st century, research and development on sustainable energy harvesting (EH) technologies have started. Since then, many EH technologies have evolved, advanced and even been successfully developed into hardware prototypes for proof of concept like Helimote, AmbiMax, et al. Researchers from all around the world are devoting their precious time and efforts into finding a realistic and novel energy harvesting solutions for sustaining the operational lifetime of low‐power electronic devices like mobile gadgets, smart wireless sensor networks, etc....

    pdf268p ktcn_1 10-07-2012 63 7   Download

  • Ultra wideband (UWB) communication systems are characterized by high data rates, low cost, multipath immunity, and low power transmission. They are widely used in wireless communications, networking, radar, imaging, and positioning systems. In 2002, the Federal Communication Commission (FCC) legalized low power UWB emission between 3.1 GHz and 10.6 GHz for indoor communication devices stimulating many novel UWB applications such as personal area networks (PANs), accurate tracking and location, safety and homeland security....

    pdf0p ktcn_1 10-07-2012 82 6   Download

  • Over the past decade, there has been a prolific increase in the research, development and commercialisation of Wireless Sensor Networks (WSNs) and their associated technologies (see Figure 1). This rise has been a result of a number of contributing factors, including continued miniaturisation (leading towards an era of truly ‘pervasive’ and ‘invisible’ computing); low-power circuits, devices and computation (for example, the ultra-low-power sleep states now found in microcontrollers); and efficient short-range communication (such as ZigBee and Bluetooth).

    pdf504p 123859674 04-07-2012 147 21   Download

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