Dongchil Kim

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In home networks, seamless networking and collaborative streaming-based multimedia content sharing have become challenging issues in providing QoS (Quality of Service) for its users with heterogeneous consumer electronic devices. In order to support the demands for QoS, recently SVC (Scalable Video Coding) scheme has attracted attention. However, existing(More)
The proliferation of various objects and explosive development of the Internet technologies such as Web of Objects (WoO) have contributed to an increasing demand for multimedia streaming applications. The adaptation of multimedia content according to context information is essential to supporting these applications in the WoO environments. In this study, we(More)
The proliferation of the Internet technology has contributed to an increasing demand for streaming applications. The adaptation of multimedia streaming content according to context information is essential to supporting these applications. In this paper, we design a context-aware multimedia quality adaptation framework for smart streaming. The proposed(More)
In this paper, we design a Web of Objects (WoO)-based smart streaming framework to improve quality of streaming media. The proposed framework provides seamless video streaming on the basis of the context information including the network status and the device characteristics. It also accurately estimates the available bandwidth and the network delay. The(More)
Mobile WiMAX can provide high-speed wireless access to mobile users. It also supports applications and services with diverse QoS (Quality of Service) requirements. However, it does not guarantee media quality for multimedia streaming services using scalable video coding schemes, because it does not consider essential characteristics of video coding(More)
For efficient streaming over wireless networks, the LTE (Long Term Evolution) system supports the ARQ (Automatic Repeat reQuest) and HARQ (Hybrid Automatic Repeat reQuest) schemes. However, there is no specification about how to use the ARQ and HARQ parameters in order to guarantee the media quality. To cope with this problem, this paper presents a PNDC(More)