Evaluating the more suitable ISM frequency band for IoT-based smart grids: A quantitative study of 915 MHz vs. 2400 MHz

RM Sandoval, AJ Garcia-Sanchez, F Garcia-Sanchez… - Sensors, 2016 - mdpi.com
IoT has begun to be employed pervasively in industrial environments and critical
infrastructures thanks to its positive impact on performance and efficiency. Among these …

Synchronized latency secured MAC protocol for PON based large sensor network

M Hossen, KD Kim, Y Park - 2010 The 12th International …, 2010 - ieeexplore.ieee.org
We have seen that the requirement of sensor nodes in a U-city is extremely high. To get the
appropriate services from the sensor nodes of u-city we have to consider the delay, energy …

Transmitter and receiver for transceiving optical signals

P Jung, G Bruck - US Patent 9,225,427, 2015 - Google Patents
A transmitter for transmitting an optical signal based on a baseband signal, including an up-
transformer for up-trans forming the baseband signal to obtain a bandpass signal and a …

Implementation and performance investigation of radio‐over‐fiber systems in wireless sensor networks

DG Lona, RM Assumpcao… - Microwave and …, 2012 - Wiley Online Library
We report the performance investigation and implementation of four different radio‐over‐
fiber (ROF) systems as backhaul for wireless sensor networks based on frequency shift …

A PON-based large sensor network and its performance analysis with Sync-LS MAC protocol

M Hossen, KD Kim, Y Park - Arabian Journal for Science and Engineering, 2013 - Springer
Abstract Properties of a large sensor network in a ubiquitous-City should include increased
energy efficiency and reduced latency. These two properties are mainly dependent on the …

Performance of Interconnected Hybrid ZigBee-Optic for Extended Wireless Sensor Networks.

ON Samijayani, A Sabrina… - Journal of ICT …, 2024 - search.ebscohost.com
Wireless sensor networks (WSNs) are widely used to monitor remote areas far away from
the monitoring center. For large-scale or high-capacity WSNs, when they contain many …

Protocols for wireless sensors networks connected by radio-over-fiber links

TPC de Andrade, NLS da Fonseca… - IEEE Systems …, 2016 - ieeexplore.ieee.org
Radio-over-fiber (RoF) technology has been employed in network infrastructure due to its
large capacity, low attenuation, and low operational costs, as well as due to the possibility of …

MAC protocols for wireless sensor networks over radio-over-fiber links

TPC de Andrade, NLS da Fonseca… - 2012 IEEE …, 2012 - ieeexplore.ieee.org
In this paper, two Medium Access Control (MAC) protocols exclusively tailored to WSNs over
RoF (RWSNs) namely SPP-MAC (Scheduled Priority Polling Medium Access …

[PDF][PDF] Network architecture and performance analysis of multi-OLT PON for FTTH and wireless sensor networks

M Hossen, M Hanawa - International Journal of Wireless & Mobile …, 2011 - academia.edu
An integrated fiber-to-the-homes (FTTHs) and wireless sensor network (WSN) provides a
cost-effective solution to build up an immaculate ubiquitous-City (U-city). The key objectives …

An integration of wireless sensor network through Wi-max for agriculture monitoring

MU Rani, C Suganya, S Kamalesh… - 2014 International …, 2014 - ieeexplore.ieee.org
The present work is to develop a smart wireless sensor network (WSN) for an agricultural
environment. Monitoring of environmental factors has increased in importance of water level …