Estratégia unificada de coordenação e comunicação para uma rede de sensores sem fio controlada por enxame (Unified Coordination-Communication Strategy to Swarm Controlled Mobile Wireless Sensor Network)

Sérgio Campello Oliveira (scampello@ecomp.poli.br), Gutierre Andrade Duarte (gutierreandrade@gmail.com), Humberto Beltrão Cunha (hbcj@ecomp.poli.br)


Escola Politécnica de Pernambuco - Universidade de Pernambuco
This paper appears in: Revista IEEE América Latina

Publication Date: Aug. 2014
Volume: 12,   Issue: 5 
ISSN: 1548-0992


Abstract:
Protocols of Wireless Sensor Networks (WSNs) commonly look to implement the best route for packages almost randomly generated until they arrive at the sink node. In mobile WSNs the sensor nodes are able to move and the routing task is more complex. One way to implement mobile WSNs is using small mobile robots to carry the sensing elements by the sensing area. If the algorithm that controls the movement of the robots is based on a swarm approach, it consists of a swarm of robots. In a typical swarm of robots only the communication between the robots is implemented to ensure the swarm behavior but it is not enough to make the swarm act as a WSN. This paper describes a unified coordination-communication strategy to control the swarm of robots so that it can act as a WSN. In addition, the communication strategy accomplishes the task of routing packages from the generating node until they reach the sink node reducing unnecessary retransmissions. The simulations performed describe the successful use of the hybrid algorithm in searching and surveillance applications.

Index Terms:
Wireless Sensor Networks, swarm of robots, Robotics Sensor Networks   


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