Data Retrieval in Sensor Networks

The following sections are included:

• Introduction

• Classifications of WSNs

  • Architecture of Sensor Networks

  • Network Architecture

  • Physical Layer

• MAC Layer

  • Design Issues

    • Coping up with Node Failure

    • Sources of Resource Consumption at the MAC Layer

    • Measures to Reduce Energy Consumption

    • Comparison of Scheduling & Reservation-based and Contention-based MAC Design

  • MAC Protocols

    • The Sensor-MAC

    • The Self-Organizing MAC for Sensor Networks and the Eaves-drop-And-Register Protocol

    • The STEM

  • Link Layer

• Routing Layer

  • Network Structure Based

    • Flat Routing

    • Hierarchical Routing

  • Flat versus Hierarchical

    • Adaptive Routing

    • Flat versus Hierarchical versus Adaptive

    • Protocol Operation Based

    • Negotiation-Based Routing

  • Multipath-Based Routing

  • Query-Based Routing

  • Location-Based Routing

  • Transport Layer

• High-Level Application Layer Support

  • Distributed Query Processing

  • Sensor Databases

  • Distributed Algorithms

  • In-Network Processing

  • Security

• Adapting to the Inherent Dynamic Nature of WSNs

• Conclusions and Future Directions

• Homework Questions/Simulation Projects

• References