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Energy-Efficient QoS-Based Routing Protocol for Wireless Sensor Networks

This research explores an energy-efficient, Quality of Service (QoS)-based routing protocol tailored for Wireless Sensor Networks (WSN). WSNs are characterized by a large number of nodes with limited resources, including power, computational capabilities, and memory. The proposed protocol addresses challenges like frequent topology changes and the need for reliable communication in diverse applications, such as weather monitoring, security surveillance, and disaster management. This study provides a comprehensive overview of protocol layers, task management, and innovative routing strategies to enhance energy efficiency and maintain service quality.

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Energy-Efficient QoS-Based Routing Protocol for Wireless Sensor Networks

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  1. Topics in Internet Research Energy-Efficient QoS-based routing protocol for Wireless Sensor Networks FAWAZ SALEEM BOKHARI05030111

  2. Wireless Sensor Networks (WSN) • Special network with large number of nodes equipped with processors, sensors and radios • Limited in power, computational capability and memory • Densely deployed • Infrastructure-less • Topology changes very frequently • Broadcast mode of communication • May not have global identification

  3. Applications of WSN • Weather Monitoring • Security and tactical surveillance • Disaster management • Military • Detecting ambient conditions And a lot more …

  4. Node

  5. Protocol Stack

  6. Physical Layer • Simple and robust modulation • Transmission and receiving techniques Data Link Layer • Medium Access Control • Power efficient • Collision avoidance

  7. Network Layer • Takes care of routing the data provide by the transport layer Transport Layer • Helps to maintain the flow of data if application layer requires it

  8. Application Layer • Depending upon sensing task, different application can be built and used in application layer Power Management Plane • Manages how a sensor node uses its power • Power level notification • Turing off the radio

  9. Mobility Management Plane • Detects and registers the movement of sensor nodes, so a route back to user is always maintained • Knowing who the neighbor sensor nodes are Task Management Plane • Balances and schedules the sensing tasks given to a specific region

  10. MAC Layer Protocols • PAMAS • S-MAC • T-MAC • DMAC

  11. Network Layer Protocols Categories: • Flat routing • Hierarchical routing • Location-based routing Classification depending upon the protocol operation: • Multi-path-based • Query-based • Negotiation-based • QoS-based

  12. Network Structure based ProtocolsFlat Routing • Flooding • Gossiping • Sensor Protocols for Information via Negotiation (SPIN) • Directed diffusion

  13. Network Structure based ProtocolsHierarchical Routing • Low Energy Adaptive Clustering Hierarchy (LEACH) • Power-Efficient Gathering in Sensor Information Systems (PEGASIS) • Small Minimum Energy Communication Network (SMECN)

  14. Network Structure based ProtocolsLocation based Routing • Geographic and Energy Aware Routing (GEAR)

  15. Proposal QoS-based routing: • Sequential Assignment Routing (SAR) • Design an Energy-Efficient QoS-based routing protocol

  16. Q & A

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