Bowei WANG, Jin TAN, Wenbin JIANG. Data aggregation scheme based on SDN for internet of things[J]. Telecommunications science, 2019, 35(2): 27-34.
DOI:
Bowei WANG, Jin TAN, Wenbin JIANG. Data aggregation scheme based on SDN for internet of things[J]. Telecommunications science, 2019, 35(2): 27-34. DOI: 10.11959/j.issn.1000-0801.2019028.
Data aggregation scheme based on SDN for internet of things
There are many redundant parts in the data generated and transmitted by IoT devices.Transmitting this data reduces network lifetime and bandwidth.Aiming at the problem
the aggregation gateway layer was proposed
and a SDN-based IoT data aggregation architecture and algorithm were designed.The simulation analysis shows that compared with the architecture of the ordinary gateway and OF-GW
the network lifetime is improved by about 32.6%
and the amount of data packets sent by the sensing layer to the network layer is reduced by 6.1% to 55.1%.Compared with the LEACH algorithm
the designed rule algorithm reduces the average delay of data aggregation by about 24.1%
while avoiding data loss and improving the accuracy of data aggregation.
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