Abstract
A Reliable Data Collection Scheme with Efficiency Consideration for ZigBee Wireless Sensor Network Applications
Highlights
ISSN 0914-4935 © MYU K.K.Sensors and Materials, Vol 27, No 8 (2015)types of topology: star, tree, and mesh.[7]
An empirical approach is adopted to tackle the issues of transmission reliability and data collection efficiency in the tree-topology ZigBee wireless sensor networks (ZWSNs)
On the basis of the testing results, we propose a reliable data transmission method to avoid the packet losses between two ZigBee nodes
Summary
By adding extra routers between the coordinator and the ZigBee sensor nodes, the operating extent of a MC system based on the tree-topology ZWSN can extend through multihop transmission. 16 and 17, adjust the values of the backoff parameters in the carrier sense multiple access with collision avoidance (CSMA/ CA) algorithm This approach cannot achieve 100% reliable data transmission. 18–20, utilize the coordinator to perform polling on sensor nodes to reduce the rate of packet losses This approach may cause delay in data transmission of the whole WSN, which will reduce the total data transmission efficiency. We develop a reliable data transmission method to effectively solve the packet loss phenomenon between two ZigBee nodes. We construct a ZWSN-based MC paradigm system to validate the effectiveness of the proposed methods
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