Results 11 to 20 of about 10,965 (186)

Novel antenna array configuration using miniature double box branch‐line couplers for wideband circularly polarised applications

open access: yesIET Microwaves, Antennas &Propagation, Volume 17, Issue 14, Page 1023-1032, November 2023., 2023
A novel wideband circularly polarised 2 × 2 antenna array is realised using miniaturised double box branch‐line couplers. The horn‐shaped radiating element is enclosed inside an open‐loop square shaped ring that is grounded through a via. Included inside the ring are an asymmetric T‐shaped stub and L‐shaped strip that excite two orthogonal modes ...
Bal S. Virdee, Tohid Aribi, Tohid Sedghi
wiley   +1 more source

Microgrid to smart grid's evolution: Technical challenges, current solutions, and future scopes

open access: yesEnergy Science &Engineering, Volume 11, Issue 2, Page 874-928, February 2023., 2023
The modernization of the traditional power system is now becoming the prime concern to make it digitalized with the aid of renewable energy sources, energy storage systems, smart metering infrastructure, dynamic pricing scheme, energy management system, smart transmission and distribution system to produce safe and clean energy by developing the ...
Faisal R. Badal   +4 more
wiley   +1 more source

Artificial Intelligence and Internet of Things‐Based Leak Detection Method for the Water Supply Network

open access: yesInternational Transactions on Electrical Energy Systems, Volume 2023, Issue 1, 2023., 2023
The good management and safe operation of the urban water supply network are of great significance to residents’ lives and industrial production. In view of the difficulties in supervision and leakage location of the urban water supply network, based on the technology of Internet of things and artificial intelligence algorithm, a leakage detection ...
Lianxiu Li   +2 more
wiley   +1 more source

Energy‐Efficient Compressed Sensing in Cognitive Radio Network for Telemedicine Services

open access: yesWireless Communications and Mobile Computing, Volume 2023, Issue 1, 2023., 2023
Wireless body area networks (WBAN) are becoming a promising solution for health care applications. WBAN allows monitoring of patients continuously in their own comfort zone. These devices use the industrial, scientific, and medical band (ISM) for communication.
Chettiyar Vani Vivekanand   +5 more
wiley   +1 more source

A Wideband Highly Efficient Omnidirectional Compact Antenna for WiMAX/Lower 5G Communications

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2023, Issue 1, 2023., 2023
Microstrip patch antenna (MPA) is widely used for different wireless communications such as WiMAX and fifth generation (5G). In this paper, a wideband, highly efficient, omnidirectional, compact novel patch antenna has been designed and reported for WiMAX/lower 5G communications. The proposed compact MPA is made on Rogers RT 5880 (ɛr = 2.2 and tan (δ) =
Liton Chandra Paul   +8 more
wiley   +1 more source

Performance Analysis of an F‐Shaped Antenna for Wireless Applications

open access: yesInternational Journal of Antennas and Propagation, Volume 2023, Issue 1, 2023., 2023
The wide‐band circularly polarised (CP) monopole antenna structure described in this article combines a defective ground plane with an f‐shaped radiating monopole that is intended for impedance bandwidth and high axial ratio bandwidth (IBW). The faulty ground structure is etched as twin rectangular slots, an F‐shaped slot, and a square slot with a ...
A. Gokula Chandar   +5 more
wiley   +1 more source

Aggregating buildings as a virtual power plant: Architectural design, supporting technologies, and case studies

open access: yesIET Energy Systems Integration, Volume 4, Issue 4, Page 423-435, December 2022., 2022
Abstract Prevalence of distributed generation drives the emergence of the ‘Virtual Power Plant (VPP)’ paradigm. A VPP aggregates distributed energy resource and can operate as a conventional power plant. In recent years, a large portion of renewable energy sources are installed in the commercial/industrial/residential building side, and their ...
Fengji Luo   +4 more
wiley   +1 more source

Information and communications technology (ICT) infrastructure supporting smart local energy systems: A review

open access: yesIET Energy Systems Integration, Volume 4, Issue 4, Page 460-472, December 2022., 2022
Abstract Smart local energy systems (SLES) have been reported in the past decade, which are associated with diverse energy carriers, components and objectives. This paper provides a comprehensive review of information and communications technology (ICT) infrastructure of SLES.
Lakshmi Srinivas Vedantham   +2 more
wiley   +1 more source

A variable bandwidth memristor‐based Legendre Optimum low pass filter for radio frequency applications

open access: yesEngineering Reports, Volume 4, Issue 11, November 2022., 2022
This article presents the enhancement of Legendre Optimum LPF in terms of reusability and bandwidth, based on the programmable memristance of memristors. Results show a bandwidth enhancement of up to 540 at 600 kHz, and up to 100 at 110 MHz. A reusable, cost‐effective, variable bandwidth filter is achieved from the original fixed bandwidth filter ...
Elochukwu Onyejegbu   +3 more
wiley   +1 more source

Predicting the Power Spectrum of Amplified OFDM Signals Using Higher‐Order Intercept Points

open access: yesChinese Journal of Electronics, Volume 31, Issue 2, Page 213-219, March 2022., 2022
Orthogonal frequency‐division multiplexing (OFDM) has been developed into a popular modulation scheme for wireless communication systems, used in applications such as LTE and 5G. In wireless communication systems, nonlinearity caused by radio frequency (RF) amplifiers will generate distortions to both passband and adjacent channels such that the ...
Siyuan YAN   +3 more
wiley   +1 more source

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