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Technological Background Of Wireless Sensor Networks

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CHAPTER 2
LITERATURE SURVEY
This chapter presents the technological background for the proposed system, working of routing protocol in wireless sensor network, brief regarding all Existing systems.
2.1 Routing Protocols in Wireless Sensor Network [1]
Due to the difference of wireless sensor networks from different up to date communication. And wireless ad hoc networks routing could be very difficult task in WSNs. For the deployed sheer number of sensor nodes it is impractical to build a global scheme for them IP-based protocols cannot be applied to these networks [1]. All applications of sensor networks have the requirement of sending the sensed data from multiple points to a common destination called sink. Resource management is required in sensor nodes regarding transmission power, storage, on board energy and processing capability.
There are numerous routing protocols that have been proposed for routing data in wireless sensor networks due to such issues. The proposed mechanisms of routing consider the architecture and applications requirements along with the characteristics of sensor nodes. There are few distinct routing protocols that are based on quality of service awareness or network flow whereas all other routing protocols can be classified as hierarchical or location based and data centric.
The routing protocols which are centric are based on query and depend on naming of desired data due to which redundant transmission are eliminated. The clustering of nodes in

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