Abstract
Recent advances in information communication technology and software have enabled mobile terminals to employ various capabilities as a smartphone. They adopt multiple interfaces for wireless communication and run as a portable computer. Mobile services are also transferred from voice to data. Mobile terminals can access Internet for data services anytime anywhere. By using location-based information, improved mobile services are enabled in heterogeneous networks. In the mobile service environment, it is required that mobile terminals should efficiently use wireless network resources. In addition, because video stream becomes a major service among the data services of mobile terminals in heterogeneous networks, the necessity of the efficient network access control for heterogeneous wireless networks is raised as an important topic. That is, quality of services of the location-based video stream is determined by the network access control. Therefore, this paper proposes a novel network access control in the heterogeneous wireless networks. The proposed method estimates the network status with Naïve Bayesian Classifier and performs network access control according to the estimated network status. Thus, it improves data transmission efficiency to satisfy the quality of services. The efficiency of the proposed method is validated through the extensive computer simulation.
Highlights
Nowadays, mobile terminals adopt multiple network interfaces such as cellular, WiFi, and Bluetooth
The proposed method is compared to buffer-based network access control methods and no network access control
The pause counts of a media player in the streaming service and the amount of data traffic usage in WiFi and cellular network are measured through the computer simulation
Summary
Mobile terminals adopt multiple network interfaces such as cellular, WiFi, and Bluetooth They are widely used as smartphones and enable various services in heterogeneous networks. Multimedia applications of mobile services employ multiple wireless networks and thereby selecting the network interface in a mobile terminal according to the wireless channel status is crucially affected on the quality of services. The network interface for a streaming service is determined according to the quality of services (i.e., content rate of a media player in a mobile terminal) instead of the characteristics of wireless networks. The method to select the proper network interface according to the channel status is proposed in order to satisfy the quality of services of a media player.
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