Abstract
Wireless Sensor Networks (WSNs) have become essential components for a variety of environmental, surveillance, military, traffic control, and healthcare applications. These applications face critical challenges such as communication, security, power consumption, data aggregation, heterogeneities of sensor hardware, and Quality of Service (QoS) issues. Service-Oriented Architecture (SOA) is a software architecture that can be integrated with WSN applications to address those challenges. The SOA middleware bridges the gap between the high-level requirements of different applications and the hardware constraints of WSNs. This survey explores state-of-the-art approaches based on SOA and Service-Oriented Middleware (SOM) architecture that provide solutions for WSN challenges. The categories of this paper are based on approaches of SOA with and without middleware for WSNs. Additionally, features of SOA and middleware architectures for WSNs are compared to achieve more robust and efficient network performance. Design issues of SOA middleware for WSNs and its characteristics are also highlighted. The paper concludes with future research directions in SOM architecture to meet all requirements of emerging application of WSNs.
Highlights
Increased use of Wireless Sensor Networks (WSNs) in numerous surveillance, healthcare, and industrial applications calls for more reliability in the transmitted data [1]
This paper presents a systematic study of recent researches on Service-Oriented Middleware (SOM) architectures for WSNs
The implementation of these approaches offers relative limitations and strengths. These approaches are reinforced through the abstraction level, sensors platform, extensibility, and reconfiguration
Summary
Increased use of Wireless Sensor Networks (WSNs) in numerous surveillance, healthcare, and industrial applications calls for more reliability in the transmitted data [1]. There is a tremendous need to integrate an innovative middleware design based on Service-Oriented Architecture (SOA) with WSNs to address the challenges associated with their reliability and efficiency. This middleware does not support SOM architecture that is integrated with WSNs [4]. SOM architecture is a designed middleware similar to WSN middleware with a new layer called the advanced services layer [4].
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