Infrastructure-Establishment from Scratch in Wireless Sensor Networks

Abstract. We present a distributed, localized and integrated approach for establishing both low-level (i.e. exploration of 1-hop neighbors, interference avoidance) and high-level (a subgraph of the unit-disk graph) infrastructure in wireless sensor networks. More concretely, our proposed scheme constructs a subgraph of the unit-disk graph which is connected, planar and has power stretch factor of 1 (the well-known Gabriel graph intersected with the unit disk-graph) and – most importantly – deals explicitly with the problem of interference between nearby stations. Due to our interleaved approach of constructing low- and high-level infrastructure simultaneously, this results in considerable improvements in running time when applied in dense wireless networks. To substantiate the advantages of our approach, we introduce a novel distribution model inspired by actual sensing applications and analyze our new approach in that framework.

• Type: Conference
• Year: 2005
• Where: DCOSS
• Authors: Stefan Funke, Nikola Milosavljevic
• Keywords: DCOSS 2005, Unit-disk Graph, Well-known Gabriel Graph, Wireless Sensor Networks