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Sensors 2017, 17(1), 138; doi:10.3390/s17010138

Adaptive Information Dissemination Control to Provide Diffdelay for the Internet of Things

1
School of Information Science and Engineering, Central South University, Changsha 410083, China
2
School of Information Technology in Education, South China Normal University, Guangzhou 510631, China
3
Beijing Hetian Yuxiang Internet Technology Co., Ltd., Beijing 100036, China
*
Author to whom correspondence should be addressed.
Academic Editors: Yunchuan Sun, Zhipeng Cai and Antonio Jara
Received: 20 September 2016 / Revised: 29 December 2016 / Accepted: 9 January 2017 / Published: 12 January 2017

Abstract

Applications running on the Internet of Things, such as the Wireless Sensor and Actuator Networks (WSANs) platform, generally have different quality of service (QoS) requirements. For urgent events, it is crucial that information be reported to the actuator quickly, and the communication cost is the second factor. However, for interesting events, communication costs, network lifetime and time all become important factors. In most situations, these different requirements cannot be satisfied simultaneously. In this paper, an adaptive communication control based on a differentiated delay (ACCDS) scheme is proposed to resolve this conflict. In an ACCDS, source nodes of events adaptively send various searching actuators routings (SARs) based on the degree of sensitivity to delay while maintaining the network lifetime. For a delay-sensitive event, the source node sends a large number of SARs to actuators to identify and inform the actuators in an extremely short time; thus, action can be taken quickly but at higher communication costs. For delay-insensitive events, the source node sends fewer SARs to reduce communication costs and improve network lifetime. Therefore, an ACCDS can meet the QoS requirements of different events using a differentiated delay framework. Theoretical analysis simulation results indicate that an ACCDS provides delay and communication costs and differentiated services; an ACCDS scheme can reduce the network delay by 11.111%–53.684% for a delay-sensitive event and reduce the communication costs by 5%–22.308% for interesting events, and reduce the network lifetime by about 28.713%. View Full-Text
Keywords: information dissemination; differentiated services; quality of service; communication cost information dissemination; differentiated services; quality of service; communication cost
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Liu, X.; Liu, A.; Huang, C. Adaptive Information Dissemination Control to Provide Diffdelay for the Internet of Things. Sensors 2017, 17, 138.

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