Abstract
In recent years, applications of wireless sensor networks (WSNs) have been improved due to its vast potential to connect the physical world to the virtual world. Also, a progress in microelectronic fabrication technology reduces cost of developed portable wireless sensor nodes. Faults occurring to sensor nodes are familiar due to the sensor device itself and the harsh environment where the sensor nodes are deploy. WSNs is mainly affect by the crash of sensor nodes. Possibility of sensor node failure increases with increase number of sensors. Wireless sensor networks have been recognized, at an early stage in their development, to be a useful measurement technology for environmental monitoring applications. Based on their independence from accessible infrastructures, wireless sensor networks can be deploy in virtually any location and provide sensor samples in a spatial and temporal resolution.
Highlights
Wireless NetworksToday’s Internet has been developed for more than thirty years. Recently many network Researchers are studying networks based on new communication techniques, in particular Wireless Communications. [1] Like traditional wired networks, wireless networks are created by routers and hosts
The algorithm proposed is based on the grade diffusion (GD) algorithm, with the objective of replace fewer sensor nodes that are inoperative or have depleted batteries, and of reuse the greatest number of routing paths
In directed diffusion (DD) algorithm, the sink node provide the queries in the form of attribute-value pairs to the other sensor nodes by broadcasting the query packets to the whole network
Summary
Today’s Internet has been developed for more than thirty years. Recently many network Researchers are studying networks based on new communication techniques, in particular Wireless Communications. [1] Like traditional wired networks, wireless networks are created by routers and hosts. [1] Like traditional wired networks, wireless networks are created by routers and hosts. The routers are dependable for forwarding packets in the network and hosts may be sources or sinks of data flows. As it is understood that in a wireless network, the communication among different network components can be either wired or wireless. There are thousands of hotels, universities and public places with public wireless connection. These free us from having to be at home or at work to get access the Internet. Scalability: Wireless LAN systems can be configured in many different types of topologies to fulfil the needs of particular applications and installations. To simplify the transmission model regarding this property, people think that the wireless signal is strong enough for the receivers to receive the signal if the receivers are inside of the radio range [2]
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