Research on Service Oriented and Middleware Based Active QoS Infrastructure of Wireless Sensor Networks

Authors:
Nan Hua;Ning Yu;Yi Guo
Affiliations:
-;-;-
Venue:
ISPAN '09 Proceedings of the 2009 10th International Symposium on Pervasive Systems, Algorithms, and Networks
Year:
2009

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Abstract

This paper presents an active QoS infrastructure of wireless sensor networks (WSN), named QISM, which is based on middleware and service-oriented. The design, structure, important modules and working processes are discussed. The important characteristics of QISM include the active regulation mechanism based on feedback and negotiation between applications and network, the architecture based on middleware and service publishing and subscribing, the expressing method based on Topic and functional domain. Through the active regulation for applications and network, QISM makes the network support applications and makes the applications adapt the network furthest. Therefore, the quality of application accomplishment is better guaranteed, and the lifetime of network is prolonged as well. Proved by simulation of a typical scenario, QISM has good QoS control ability and flexibility, can support complex applications, and is independent of network architectures.