Results 71 to 80 of about 51,587 (232)

Gain Improvement of Bidirectional Substrate‐Integrated Waveguide‐Based Circular Cavity‐Backed Hexagonal Split Ring‐Shaped Slotted Antenna Using Metamaterial as Superstrate

International Journal of Antennas and Propagation, Volume 2025, Issue 1, 2025.
A low profile substrate‐integrated waveguide (SIW)‐based circular cavity‐backed slotted antenna is proposed at an operating frequency of 5.42 GHz for wireless applications in U‐NII‐2B band in the TM010 fundamental mode. Two hexagonal split ring‐shaped slots of 7 and 4 mm radius are placed on the patch as well as on the ground plane, resulting in ...
Rimi Sengupta, Ayan Chatterjee, Soumen Banerjee, Susanta Kumar Parui, Monojit Mitra, Trushit Upadhyaya   +5 more
wiley   +1 more source

Internet of Things in Healthcare Research: Trends, Innovations, Security Considerations, Challenges and Future Strategy

International Journal of Intelligent Systems, Volume 2025, Issue 1, 2025.
The Internet of Things (IoT) has become a transformative force across various sectors, including healthcare, offering new opportunities for automation and enhanced service delivery. The evolving architecture of the IoT presents significant challenges in establishing a comprehensive cyber‐physical framework. This paper reviews recent advancements in IoT‐
Attiq Ur Rehman, Songfeng Lu, Md Belal Bin Heyat, Muhammad Shahid Iqbal, Saba Parveen, Mohd Ammar Bin Hayat, Faijan Akhtar, Muhammad Awais Ashraf, Owais Khan, Dustin Pomary, Mohamad Sawan, Said El Kafhali   +11 more
wiley   +1 more source

LDPC Code Design for Noncoherent Physical Layer Network Coding

, 2015
This work considers optimizing LDPC codes in the physical-layer network coded two-way relay channel using noncoherent FSK modulation. The error-rate performance of channel decoding at the relay node during the multiple-access phase was improved through ...
Ferrett, Terry, Valenti, Matthew C.
core   +1 more source

WIMAX móvil

Ingenius, 2010
WiMAX móvil muestra una serie de características que lo hacen ideal para el despliegue en zonas rurales y en países en vías de desarrollo. En este trabajo se presentan las principales características de IEEE 802.16, se analiza el avance en tecnologías de antenas, diseño de Cross Layer, manejo de interferencia, scheduling y las aplicaciones para WiMAX ...
openaire   +3 more sources

Filtering Antenna Design and Implementation Techniques: Applications, Recent Developments, Challenges, and Future Opportunities

Journal of Engineering, Volume 2025, Issue 1, 2025.
Antennas and filters are two key components that make up the configuration of the radio frequency (RF) front end of any wireless communication system. While the antenna is responsible for transmitting and receiving signals in the system, the filter is tasked with selecting signals that fall within the system’s operating frequency band, while also ...
Augustine O. Nwajana, Stella N. Arinze, Solomon H. Ebenuwa, Yuh-Shyan Hwang   +3 more
wiley   +1 more source

A business planning framework for WiMAX applications [PDF]

, 2009
Mobile networking refers to wireless technologies which provide communications between devices. Applications for mobile networking have a broad scope as they can be applied to many situations in either industrial or commercial sectors.
De Coster, R
core  

VLSI Implementation of High‐Speed and Area‐Efficient Multiplierless Address Generation Architecture for Deinterleaver in WiMAX Applications

Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
This paper presents a VLSI implementation of a high‐speed, area‐efficient, multiplierless address generation architecture for the WiMAX deinterleaver, conforming to the IEEE 802.16e standard. The primary motivation of this work is to reduce hardware complexity and delay by eliminating multipliers, which are traditionally used in address generation. The
Vivek Karthick Perumal, Ramesh Jayabalan, Eldho Paul, Dhanasekaran Selvaraj, Palanisamy R.   +4 more
wiley   +1 more source

Applying FDTD to the Coverage Prediction of WiMAX Femtocells

EURASIP Journal on Wireless Communications and Networking, 2009
Femtocells, or home base stations, are a potential future solution for operators to increase indoor coverage and reduce network cost. In a real WiMAX femtocell deployment in residential areas covered by WiMAX macrocells, interference is very likely to ...
Valcarce Alvaro, De La Roche Guillaume, Jüttner Álpar, López-Pérez David, Zhang Jie   +4 more
doaj   +2 more sources

Advancements in Machine Learning‐Enhanced Green Wireless Sensor Networks: A Comprehensive Survey on Energy Efficiency, Network Performance, and Future Directions

Journal of Sensors, Volume 2025, Issue 1, 2025.
Wireless sensor networks (WSNs) are a collection of sensor nodes that collect data from the environment using wireless technology. WSNs have many applications in various domains, such as public utilities, industrial monitoring and control, and defense and military activities.
Kofi Sarpong Adu-Manu, Emmanuel Amoako, Felicia Engmann, Shonak Bansal   +3 more
wiley   +1 more source

Performance Evaluation of Downlink WiMAX System in Vicinity of UWB System [PDF]

Iraqi Journal for Electrical and Electronic Engineering, 2011
In this paper, we evaluate the performance of WiMAX downlink system in vicinity of UWB system. The study is achieved via simulating a scenario of an office building which utilizes from both WiMAX and UWB appliances.
Maan A. S. Al-Adwany
doaj