Power budgets for cubesat radios to support ground communications and inter-satellite links

O Popescu - Ieee Access, 2017 - ieeexplore.ieee.org
CubeSats are a class of pico-satellites that have emerged over the past decade as a cost-
effective alternative to the traditional large satellites to provide space experimentation …

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 …

8-12 GHz pHEMT MMIC low-noise amplifier for 5G and fiber-integrated satellite applications

MO Uko, S Ekpo - International Review of Aerospace …, 2020 - e-space.mmu.ac.uk
The fifth-generation (5G) radio access technology promises to revolutionise integrated earth-
space communications applications for ubiquitous, seamless and broadband services. The …

Parametric system engineering analysis of capability-based small satellite missions

SC Ekpo - IEEE Systems Journal, 2019 - ieeexplore.ieee.org
To achieve appropriate link budget and system engineering analyses of capability-based
small satellites missions, an objective assessment and computation of the component …

Systems engineering of a terabit elliptic orbit satellite and phased array ground station for IoT connectivity and consumer internet access

RL Sturdivant, EKP Chong - IEEE Access, 2016 - ieeexplore.ieee.org
Systems engineering of a satellite based data communication baseline concept is presented
to achieve terabit per second throughput. It uses a constellation of five Molniya satellites and …

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 …

Regulated-element frost beamformer for vehicular multimedia sound enhancement and noise reduction applications

SC Ekpo, B Adebisi, A Wells - IEEE Access, 2017 - ieeexplore.ieee.org
A key requirement of an adaptive sensor array involves the ability to deterministically adjust
the directional response of the array to reduce noise and reverberations, null interferences …

[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 …