Wireless Sensor Networks

Chapter 2

Data-Centric Storage in Wireless Sensor Networks

Khandakar Ahmed and Mark A. Gregory

Contents

2.1    Introduction

2.2    Challenges in Data Storage

2.2.1    MDA

2.2.2    Range versus Point Queries

2.2.3    Similarity Search

2.2.4    Data Aggregation

2.2.5    Nonuniformity of Sensor Network Fields

2.2.6    Multireplication

2.2.7    Balancing the Storage

2.3    DCS Mechanisms

2.3.1    DCS Mechanisms Based on Point-to-Point Routing

2.3.1.1      GHT

2.3.1.2      Data Storage and Range Query Mechanism for MDAs

2.3.1.3      Distributed Spatial–Temporal Data Storage Scheme

2.3.1.4      Load-Balanced and Efficient Hierarchical DCS

2.3.1.5      Dynamic Load-Balancing Approach

2.3.1.6      LB-DCS

2.3.1.7      ToW

2.3.1.8      Similarity Search ...