Hybrid mmWave-Li-Fi 5G architecture for reconfigurable variable latency and data rate communications

I Lau, S Ekpo, M Zafar, M Ijaz, A Gibson - IEEE Access, 2023 - ieeexplore.ieee.org
Despite modern vehicles having the necessary advanced driver assistance systems (ADAS)
for autonomous operation, current implementations rely solely on sensor information from …

Hybrid power divider and combiner for passive RFID tag wireless energy harvesting

M Zafar, S Ekpo, J George, P Sheedy, M Uko… - IEEE …, 2021 - ieeexplore.ieee.org
This paper presents three-and five-ports radio frequency (RF) hybrid power divider combiner
(HPDC) designs with multiband characteristics operating at 2.4 GHz (ISM, IEEE 802.11 b, g); …

Sub-6 GHz 5G spectrum for satellite-cellular convergence broadband internet access in Nigeria

O Sowande, F Idachaba, S Ekpo… - International Review …, 2022 - e-space.mmu.ac.uk
Broadband access drives the global digital economy and has triggered the emergence of
newer radio access technologies to meet data-driven consumers' expectations. In the period …

A 23-28 GHz pHEMT MMIC low-noise amplifier for satellite-cellular convergence applications

M Uko, S Ekpo - International Review of Aerospace …, 2021 - e-space.mmu.ac.uk
Satellite-cellular convergence promises to enable higher millimetre-wave bandwidth (data
rate); beamformed better signal alignment (higher system efficiency); multi-connectivity …

[HTML][HTML] Design of an elliptically-slotted patch antenna for multi-purpose wireless Wi-Fi and biosensing applications

J George, M Uko, S Ekpo, F Elias - e-Prime-Advances in Electrical …, 2023 - Elsevier
Radio frequency (RF) biosensor research is advancing in the medical point-of-care
diagnostics field with the increased demand for smart adaptive contactless RF biosensors …

[PDF][PDF] Simulation design of low-profile equilateral triangle microstrip patch antenna operating at 28 GHz

BA Rahman, SO Hasan - Int. J. Commun. Antenna Propag, 2022 - researchgate.net
This study is established for designing an Equilateral Triangular Microstrip Patch Antenna
(ETMPA) operating at 28GHz suitable for 5G application technologies. The design …

[HTML][HTML] Reconfigurable Intelligent Surface (RIS)-Assisted Non-Terrestrial Network (NTN)-Based 6G Communications: A Contemporary Survey

CE Worka, FA Khan, QZ Ahmed, P Sureephong… - Sensors, 2024 - mdpi.com
This article examines the transformative potential of integrating reconfigurable intelligent
surfaces (RISs) into sixth-generation (6G) wireless non-terrestrial networks (NTNs). The …

[HTML][HTML] Performance Optimization of 5G–Satellite Integrated Networks for IoT Applications in Smart Cities: A Two-Ray Propagation Model Approach

M Uko, SC Ekpo, S Enahoro, F Elias - Smart Cities, 2024 - mdpi.com
Highlights What are the main findings? Signal strength in 5G-satellite smart city networks
exhibits considerable variability (up to 40 dB) resulting from constructive and destructive …

Gap-coupled resonator loaded ultra-wideband filtenna for frequency-notching applications

D Saha, S Ghosh, SC Ekpo, M Zafar… - 2023 European …, 2023 - ieeexplore.ieee.org
A fifth-order gap-coupled resonator loaded ultra-wide band (UWB) filtenna is proposed in
this research article. The band-stop Butterworth filter is designed at the ISM frequency of 5.8 …

Hybrid Wireless RF-Perovskite Photovoltaic Energy Harvester Design Consideration for Low-Power Internet of Things

M Uko, F Elias, S Ekpo, D Saha… - 2023 IEEE-APS …, 2023 - ieeexplore.ieee.org
The rapid growth of the Internet of Things (IoT) has led to increased demand for low-power
energy harvesting solutions to power the vast number of interconnected devices. In this …