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With IPTV, channel zapping time is one of the significant problems. It occurs when the user wants to change the channel but needs to wait until the target channel is available. Various schemes reducing the time have been suggested, which download the candidate channels of the future use in advance. In this paper we propose a new method which further reduces the channel zapping time by pre-downloading...
Recently, as mobile IPTV has emerged in the area of mobile multimedia streaming, various researches on ensuring service continuity between fixed and wireless networks have been undertaken. VoD transmission in mobile IPTV is a challenging task since it causes long user waiting time and requires a large number of channels. In this paper, we propose an approach appropriately selecting a broadcasting...
The rapid advancement of mobile communication technologies recently has led to the advent of mobile IPTV service. For a variety of multimedia services, a process of session setup using SIP (session initiation protocol) is required. However, high frame error rate (FER) of typical wireless network causes failure and delay in session setup. In this paper we propose a new scheme minimizing the session...
Mobile IPTV is one of the hot applications capitalizing recently advanced wireless communication technologies. This paper proposes a new vertical handover scheme based on the prediction of mobility of mobile node. In contrast with the existing schemes, the proposed approach considers the movement velocity and direction of the MN, and Received Signal Strength (RSS) for accurate prediction of the MN's...
The demand on IPTV services has been greatly increasing in the area of wireless communication. For supporting a large number of users with limited resources, the development of effective transmission technology is inevitable. In this paper we propose an efficient batching scheme enhancing the performance of VoD system over wireless IPTV. The proposed approach capitalizes the notion of segment interval...
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