Abstract
Routing protocol in wireless sensor network (WSN) has always been a frequently adopted topic of research in WSN owing to many unsolved issues in it. This paper discusses about the multicast routing protocols in WSN and briefs up different forms of standard research contribution as well as significant recent research techniques toward leveraging the performance of multicast routing. The paper then discusses the beneficial factor and limiting factor in existing multicast techniques and highlights the research gap in this. In order to overcome the research gap, a novel architecture to address the optimization as a cost minimization problem associated with multicast routing in WSN is proposed. This paper contributes to show a present scenario of multicast routing performance in WSN and thereby assists the readers about the possible direction of future with clear visualization of system architecture.
Highlights
A Wireless Sensor Network (WSN) made up of an interconnected network of a sensor node which is capable of sensing an environment data, process it, and forward it to a destination node called sink node typically as reverse multicast, which is further connected to gateways to transfer data to the monitoring unit
The second reason is flow of captured data which is from multiple sensor nodes to a single receiver called as base station/sink node, which is bit different than other conventional network system
After reviewing the research gap in the previous section, it is quite obvious that study towards enhancing multicast routing protocol is still in infancy stage when it comes to optimization
Summary
A Wireless Sensor Network (WSN) made up of an interconnected network of a sensor node which is capable of sensing an environment data, process it, and forward it to a destination node called sink node typically as reverse multicast (many to one), which is further connected to gateways to transfer data to the monitoring unit. Maximum application considers static states of nodes and it retains permission for mobile nodes to be base station only in few cases Because of this reason, the existing routing algorithms find quite hard to come up with communication requirements [6]-[9]. There are presence of multiple review paper, which has discussed about the strength and weakness of various categories of routing protocol in wireless sensor network in perspective of routing [19], load balancing [20], security [21], energy efficiency [22], etc. We will like to make a difference by reviewing significant literatures in multicast routing used in sensor network, explored research gaps in recent research contribution, and highlighted advantages and limitation of existing studies.
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