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Broadcast disk technology has become a popular method for data dissemination in wireless information systems. However, factors such as intentional periodic disconnection by the mobile hosts result in further needs for managing access modes to let the mobile hosts procure highest benefit through the disconnections. In this paper, the authors propose a new broadcast indexing structure, Data Receiver Indicator (DRI), which allows mobile clients to determine the time interval of active and sleep mode for connection according to turnaround time.
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