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Title: Traffic Light Using Multiple Wireless Technologies
Authors: Cunha, João
Cardeira, Carlos
Batista, Nelson
Melício, Rui
Keywords: Wireless communications
cloud computing
wireless sensors network
traffic light
Issue Date: 7-Dec-2016
Abstract: This paper presents the study and experimental tests for the viability analysis of using multiple wireless technologies in urban traffic light controllers in a Smart City environment. Communication drivers, different types of antennas, data acquisition methods and data processing for monitoring the network are presented. The sensors and actuators modules are connected in a local area network through two distinct low power wireless networks using both 868 MHz and 2.4 GHz frequency bands. All data communications using 868 MHz go through a Moteino. Various tests are made to assess the most advantageous features of each communication type. The experimental results show better range for 868 MHz solutions, whereas the 2.4 GHz presents the advantage of self-regenerating the network and mesh. The different pros and cons of both communication methods are presented.
Type: lecture
Appears in Collections:FIS - Comunicações - Em Congressos Científicos Internacionais

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