Paper Info
Title
Adaptive Synchronization Control with Multi-level Buffer in Wireless Multimedia Sensor Networks
Abstract
In Wireless Multimedia Sensor Networks (WMSNs), data fusion and collaborative in-network processing operations often require effective multimedia synchronization control. Extensive researches have been done in the traditional networks. Most of these works assume that there exists a powerful synchronization controller in the network. However, for WMSNs, the in-network processing of the multimedia content is usually performed based on the resource-constrained sensors. Traditional synchronization control algorithms fail to run on the low-end hardware platform. In this paper, we propose an adaptive synchronization control scheme with multi-level buffer to address this problem. Main contributions of this paper are as follows. (i) To overcome the resource constraint of WMSNs, we perform the synchronization control in a distributed way by combining the sensors in the stream transmission path. (ii) By evaluating the current network state, we adjust the level number of the buffer adaptively to balance the delay and delay jitter. (iii) Through analyzing the buffer state of each level, we propose an efficient packet scheduling scheme to reduce the delay jitter actively. (iv) We implement the proposed scheme and verify its effectiveness in our practical WMSNs platform. The experiment results show that the proposed scheme can maintain the streams synchronization effectively with the low-end sensors.
Year
DOI
Venue
2012
10.1109/DCOSS.2012.25
DCOSS
Keywords
Field
DocType
buffer adaptively,buffer state,wireless multimedia sensor networks,adaptive synchronization control,delay jitter,multi-level buffer,adaptive synchronization control scheme,synchronization control,powerful synchronization controller,traditional synchronization control algorithm,proposed scheme,practical wmsns platform,efficient packet scheduling scheme,synchronization,jitter,synchronisation,process control,adaptive control,data fusion,sensor network,wireless sensor networks,media
Synchronization,Control theory,Computer science,Data synchronization,Computer network,Real-time computing,Sensor fusion,Process control,Jitter,Adaptive control,Wireless sensor network,Distributed computing
Conference
Citations 
PageRank 
References 
0
0.34
14
Authors
5
Name
Order
Citations
PageRank
Guotao Zhao1183.56
Huadong Ma22020179.93
Yan Sun31124119.96
Hong Luo433531.84
Liang Liu558757.54