SHEN Cai-liang, DU Huan-qiang. WSNs target tracking algorithm based on probability threshold communication perception[J]. 2015, 34(4): 111-114. DOI: 10.13873/J.1000-9787(2015)04-0111-04.
Aiming at problem of long time of target tracking and localization and high energy consumption of mobile sink node
WSNs target tracking algorithm based on probability threshold communication perception is proposed. Adopt discrete data transmission mode
and define probability threshold of target information transmission to determine whether transmit current location information of node from sensor nodes to sink node or not. If current position information is not transmitted to the Sink node
the recent notification of target positioning information is used. Then the related wireless sensor nodes around the target are opened
through this way the amount of data transmission is reduced
and sufficient positioning precision is maintained. The simulation results show that
the method can reduce data transmission quantity about 87 %
compared with the forecast tracking algorithm
and reduce the tracking time about 33. 7 %
compared with the dynamic target tracking algorithm.
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