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This paper analyzes delays and resource efficiency when DASH segment files are transmitted through IP-based next-generation broadcasting systems such as ATSC 3.0. DASH segment files are designed to support media content of various qualities in the DASH system. The size of a DASH segment file can vary even though they may have the same quality and playback time. As the quantity of media content such...
Next-generation digital broadcasting system transmits the DASH segment files. Delays and inefficient use of resources are the major challenges in the transmission of DASH segment files in broadcasting systems. Because the size of DASH segment files varies even though the files have the same quality, and broadcasting systems uses the fixed resource. Delay is an important problem in broadcasting systems...
In the wireless sensor network, there are cluster based routing protocols for the network monitoring like LEACH. In earlier works, the data aggregation periods of these protocols are the same, although each cluster can have different environments or situations for time-varying. Thus, it occurred to inefficiently consume energy in non-interested areas. In addition, it is also inefficient in interested...
To develop a ubiquitous environment, object identification is very important. We expect there to be a huge number of IDs. In this paper we focus on RFID, which is one of the prominent technologies of object identification. We present an ID filtering technique for the air protocol. Filtering of the air protocol between RFID tags and a reader has some advantages over filtering in the reader and middleware...
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