ABSTRACT

Contents 2.1 Introduction ......................................................................................................................41 2.2 Data Aggregation ............................................................................................................. 43 2.3 Data Aggregation and Data Gathering in WSNs ............................................................. 43 2.4 Protocols for Data Aggregation and Data Gathering ........................................................ 44 2.5 Energy-Efficient Clustering and Data Aggregation Protocol for Heterogeneous WSNs .....47 2.6 A Noble Data Aggregation Algorithm for Low Latency in Wireless SNs .......................... 48 2.7 A Scalable and Dynamic Data Aggregation Aware Routing Protocol for WSNs .............. 49 2.8 A Hierarchical Multiparent Cluster-Based Data Aggregation Framework for WSNs........ 49 2.9 Cluster Tree-Based Data Gathering in WSN................................................................... 50 2.10 Compressive Data Gathering for Large-Scale WSNs .........................................................52 2.11 An In-Network Approximate Data-Gathering Algorithm Exploiting Spatial

Correlation in WSNs ........................................................................................................52 2.11.1 Cluster Initialization ..............................................................................................53 2.11.2 Cluster Reading Collection ....................................................................................53 2.11.3 Cluster Merging Problem .......................................................................................53 2.11.4 In-Network Cluster Merging .................................................................................53 2.11.5 Reading Streaming Phase ......................................................................................53

References ..................................................................................................................................55

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