Results 41 to 50 of about 1,567 (173)

Togolese Doctors’ Awareness, Perceptions, and Practices of Telemedicine: A National Cross‐Sectional Study

open access: yesJournal of Tropical Medicine, Volume 2026, Issue 1, 2026.
Objective To assess the awareness, perceptions, and practices of telemedicine among Togolese doctors. Material and Methods Descriptive cross‐sectional study was conducted from January to March 2021 on Togolese doctors residing and practicing in Togo.
Kokou Adambounou   +4 more
wiley   +1 more source

Can the WiMAX IEEE 802.16 Standard Be Used to Resolve Last-Mile Connectivity Issues in Botswana?

open access: yesTelecom, 2022
Some of the advantages of using Worldwide Interoperability Microwave Access (WiMAX) technology at the last-mile level as an access technology include an extensive range of 50 km Line of Sight (LOS), 5 to 15 km Non-Line of Sight, and fewer infrastructure ...
Malebogo Mokeresete   +1 more
doaj   +1 more source

Novel Compact Quad‐Band HMSIW BPF and FPD With Low Loss and Tunable Passbands

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
This work introduces a new quad‐band bandpass filter (BPF) and filtering power divider (FPD) based on half‐mode substrate integrated waveguide (HMSIW) technology and metamaterial concept. To achieve a high level of miniaturization, multiple design approaches are jointly employed, including HMSIW implementation, evanescent‐mode operation, stepped ...
Mostafa Danaeian, Vicente E. Boria
wiley   +1 more source

Comparison of the Link Budget with Experimental Performance of a WiMAX System

open access: yesEURASIP Journal on Wireless Communications and Networking, 2009
The performance of different modulation schemes of a broadband fixed wireless 802.16 (WiMAX) system in a sector is experimentally determined and compared to link budget calculations using different path loss models.
De Bruyne Jeffrey   +5 more
doaj   +2 more sources

Compact Orthogonal UWB MIMO Antenna With Fractal‐Slotted Design for Enhanced Isolation in 5G‐NR and X‐Band Applications

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
In this proposal, an advanced integrated multiple‐input multiple‐output (MIMO) antenna system has been presented for next generation 5G‐NR, high speed WLAN and X‐band communications. The four radiators having comb‐shaped geometry at the top edge are positioned orthogonally with each other.
Killol Pandya   +7 more
wiley   +1 more source

A REVIEW ON OVERVIEW OF WORLDWIDE INTEROPERABILITY FOR MICROWAVE ACCESS (WIMAX) INNOVATION AND ITS FUTURE UTILIZATIONS

open access: yesICTACT Journal on Communication Technology, 2018
This paper introduces the elements of the Worldwide Interoperability for Microwave Access (WiMAX) innovation and future utilizations of WiMAX. It is a connection oriented wireless network that assures Quality of Service (QoS) for all users in the network.
Savita Yadav   +4 more
doaj   +1 more source

High‐Gain Single‐Layer Circularly Polarized Antenna With Integrated L‐Shaped for Multiband Wireless Applications

open access: yesInternational Journal of Communication Systems, Volume 38, Issue 13, 10 September 2025.
This proposed multiband antenna achieves high gain, high efficiency, and circular polarization capabilities while reducing printed layers by more than 50% and eliminating air gaps, significantly simplifying fabrication and lowering costs. It provides a straightforward solution for wireless applications in the 5G sub‐6‐GHz mid‐band (3.45–3.7 GHz and 4 ...
Mahdi Abdelkarim   +2 more
wiley   +1 more source

Determining the Direction of Radio Wave Reception for Maximum Radiation Using Genetic Algorithm and RF to DC Conversion Efficiency Analysis

open access: yesEngineering Reports, Volume 7, Issue 9, September 2025.
In this study, a new plan for routing radio transmitters is presented using an algorithm compatible with RFEH. The proposed algorithm is based on the genetic algorithm (GA), and in an innovation, using the HPBW in the GA creates a population for initial sampling dependent on the receiver antenna.
S. Hosseini   +3 more
wiley   +1 more source

Microstrip Patch Antenna in WiMAX, ISM and L-band for Sub-6 GHz Application. Review

open access: yesПриборы и методы измерений
In rapid deployments of next generation wireless communication system, the demand for high speed data, capacity, high reliability, low latency and increased flexibility. Rigorous research in the field of 5G technology. Sub-6 GHz mid-band spectrum fetches
Atul R. Chaudhari, Dipak P. Patil
doaj   +1 more source

Linear and Nonlinear Energy Harvesting in Concurrent Cellular and D2D Communication

open access: yesEngineering Reports, Volume 7, Issue 9, September 2025.
In this study, an interference‐aided dual‐hop cooperative communication scenario is considered, where both cellular and energy‐constrained device‐to‐device (D2D) users coexist and share the same radio resources. The performance of the proposed model is studied considering both linear and nonlinear EH models employing time‐switching and power‐splitting ...
Md. Fazlul Kader   +1 more
wiley   +1 more source

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