Deep sleep algorithms in battery powered TDMA wireless mesh sensor network

Author(s):  
Jozsef Kopjak ◽  
Gergely Sebestyen
2016 ◽  
Vol 78 (2) ◽  
Author(s):  
Che Zalina Zulkifli ◽  
Nursyahida Mohd Noor ◽  
Ahmad Zamzuri Mohamad Ali ◽  
Siti Norainah Semunab

In today’s manufacturing environment, delay in monitoring output performance might cause production mess in the industry. Therefore, an efficient communication and real time feedback to maximize uptime and improve productivity seems vital. Adapting the capabilities of RFID technology and Wireless Mesh Sensor Network (WMSN) through web-based monitoring system might solve this problem. Thus, an embedded system namely ERFIDC was developed as a potential solution in addressing this demand. This paper reports the proposed embedded system architecture and evaluation of its reading range in point-to-point and WMSN setup at the selected production plant.  


2015 ◽  
Vol 45 ◽  
pp. 95-113 ◽  
Author(s):  
David Rodenas-Herraiz ◽  
Antonio-Javier Garcia-Sanchez ◽  
Felipe Garcia-Sanchez ◽  
Joan Garcia-Haro

Author(s):  
Mohamed Manoufali ◽  
Peng-Yong Kong ◽  
Shihab Jimaa ◽  
Hamada Alshaer

Maritime oil exploration and transportation has increased more steeply due to the expansion of the world crude oil and natural gas production. The probability of oilrig pollution, burning, and explosion continues to rise. All these factors stimulate a greater danger for vessels, oil operation safety, and maritime environment. The continuous surveillance of the offshore oil fields and container vessels is essential to secure the production flow, avoid trespassing, and prevent vandalism from intruders and pirates. However, developing a large-scale camera sensor network (CSN) for a maritime surveillance is a challenging problem due to the environment complexity and network connectivity. Maritime wireless mesh networks (MWMNs) are envisaged to provide network connectivity in maritime environment and enable users to access the terrestrial communication networks. The high cost and low data-rate of satellite and other legacy maritime communication technologies and systems deployed in MWMNs pose a major limitation to establishing reliable and affordable maritime communications.


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