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- W2350489230 abstract "Wireless sensor networks will suffer severe performance degradation in communication reliability and throughput when interfered by co-located Wifi devices.When multiple sensor networks with different priority are interfered by Wifi devices,it is of great significance to allocate channels according to their priority as well as take into consideration the overall communication reliability and throughput.To address this problem,a channel allocation scheme to mitigate Wifi interference,called EasiCAP(Channel Allocation for wireless sensor networks with Priority),is presented.The scheme employs an external interference model,which is based on interference signal strength and activity ratio,to measure Wifi interference in each channel of sensor networks.In addition,a receiver-centric interference model is used to gauge internal interference amongst different sensor networks.Based on the measurements of external interference and internal interference,each sensor network independently selects its working channel in real time via a localized greedy algorithm in order to assign channels according to priority and also reduce the overall interference of all sensor networks as much as possible.Then,the sensor network performs one of the three operations,i.e.,channel keeping,channel swapping,and channel preempting,based on the channel selection decision.Testbed experiments and simulations are conducted to verify the effectiveness of the proposed scheme.The experimental results demonstrate that EasiCAP can provide differentiated communication reliability and throughput corresponding to the network priority.Also,it has higher average communication reliability and throughput than existing schemes.Furthermore,it does not introduce significant overhead." @default.
- W2350489230 created "2016-06-24" @default.
- W2350489230 creator A5082534268 @default.
- W2350489230 date "2012-01-01" @default.
- W2350489230 modified "2023-09-23" @default.
- W2350489230 title "A Channel Allocation Scheme to Mitigate Wifi Interference for Wireless Sensor Networks" @default.
- W2350489230 hasPublicationYear "2012" @default.
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