Security-aware multimedia scheduling over heterogeneous wireless networks

Authors:
Liang Zhou;Athanasios V. Vasilakos;Joel Rodrigues;Baoyu Zheng;Jingwu Cui;Sulan Tang
Affiliations:
ENSTA-Paris Tech, France;Univ. of Western Macedonia, Greece;Univ. of Beira Interior, Portugal;Nanjing University of Posts and Telecommunications, China;Nanjing University of Posts and Telecommunications, China;Nanjing University of Posts and Telecommunications, China
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

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Abstract

Security is increasingly becoming an important issue in the design of multimedia applications. However, existing scheduling schemes for real-time multimedia services over heterogeneous networks generally do not take into account security requirements when making control decisions. In this paper, we develop and evaluate a security-aware multimedia scheduling scheme in heterogeneous environment. Firstly, we exploit a multimedia transmission model in the context of heterogeneous wireless networks. Then, a security-aware scheduling scheme is proposed by taking into account applications' timing and security requirements in addition to precedence constraints. Furthermore, the proposed scheme is applied to heuristically find resource allocations, which maximize the quality of security and the probability of meeting deadlines for all the multimedia applications. Additionally, extensive experiments are provided to demonstrate the effectiveness of the proposed scheme.