Wan Du, Zhenjiang Li, Jansen Christian Liando, Mo Li
Abstract
This paper presents a distanceless networking approach
for wireless sensor networks sparsely deployed in large areas.
By leveraging rateless codes, we provide distanceless
transmission to expand the communication range of sensor
motes and fully exploit network diversity. We address
a variety of practical challenges to accommodate rateless
coding on resource-constrained sensor motes and devise a
communication protocol to efficiently coordinate the distanceless
link transmissions. We propose a new metric
(expected distanceless transmission time) for routing selection
and further adapt the distanceless transmissions to low
duty-cycled sensor networks. We implement the proposed
scheme in TinyOS on the TinyNode platform and deploy
the sensor network in a real-world project, in which 12
wind measurement sensors are installed around a large urban
reservoir of 2:5km3:0km to monitor the field wind distribution.
Extensive experiments show that our proposed scheme
significantly outperforms the state-of-the-art approaches for
data collection in sparse sensor networks.
Categories and Subject Descriptors
C.2.1 [Network Architecture and Design]: Wireless
communication; D.2.2 [Network Protocols]: Protocol architecture
General Terms
Design, Experimentation, Performance
Keywords
Wireless sensor network, Spars
دانلود مقاله From Rateless to Distanceless: Enabling Sparse Sensor Network Deployment in Large Areas
