Indexing Techniques for Data Broadcast on Wireless Channelsrmulti

Indexing techniques have been developed as a means for clients to reduce power consumption and to select between broadcast and on demand data services In this paper we provide an overview of our research on indexing techniques and revisit some related work in the literature Our study incorporates two important techniques clustering and scheduling for improving data broadcast e ciency and explores the scenarios of single and multiple attribute query processing Moreover we apply two indexing methods cache schedule and integrated signature to a hierarchical data delivery

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