Wireless sensor network (WSN) is composed of several sensor nodes capable of communicating wirelessly to a
centralized base station. These sensor nodes can be either static or dynamic based on the type of application in use. Data packets can
be collected periodically or based on the occurrence of the monitored events, to which sensor nodes respond by transmitting the
measured parameters to the base station for analysis purposes. The researchers in the field are currently focusing on finding a
tradeoff balance between the energy consumption, packet delivery latency and the packet reception rate in an environment where
sensors are statically deployed. However, the mobility issue has to be taken into account to overcome additional challenges that are
mostly inherited by ad-hoc networks. In this paper, we put much emphasis on leach protocol categorized as a cluster-based routing
protocol to improve its performance under the criteria of high mobility. The results prove the efficiency of the proposed leach-d
protocol as it minimizes the overall energy consumption and packet delivery latency whilst it maintains a considerable packet
reception rate.
Published In:IJCSN Journal Volume 8, Issue 4
Date of Publication : August 2019
Pages : 380-386
Figures :06
Tables : 01
Anouar Bouirden :
LTM, Faculty of Science, Ibn Zohr University,
Agadir Morocco.
Masese Bogomba Nelson :
LTM, Faculty of Science, Ibn Zohr University,
Agadir Morocco.
Ahmed Toumanari :
LISTI, National School of Applied Sciences, Ibn Zohr University,
Agadir Morocco.
Wireless Sensor Networks, Mobility, Leach-d protocol, Military Application
Many routing protocols have been conceived to
resolve the mobility issue in mobile wireless sensor
networks. The cluster-based routing protocols is
considered as a subtype category of routing protocols
which represents a basic design to develop routing
protocols destined to overcome WSN challenges with
the existence of the mobility constraint. In this paper,
we presented an improved version of the Leach
protocol to mitigate the effect of mobility on
communication between sensor nodes based on an
estimated round period for cluster formation. The three
following metrics were considered: the packet delivery
ratio, the end-to-end delay, and the energy
consumption. The results showed that the proposed
improved version gives good results compared with
leach protocol in a dimension equals to 40×40×10 m.
The overall performance proves that the proposed
algorithm minimizes the overall energy consumption
and packet delivery latency whilst it maintains a
considerable packet reception rate. As future work, we
will be focusing on conceiving a new synchronization
schema to mitigate collisions between sensor nodes
within the same cluster. The schema has to take into
account the mobility constraint and propose a flexible
synchronization time while maintaining optimal
network performance.
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