摘要：Recent advances in computer and wireless communication technologies have increased interest in combinations of various techniques such as pull-based data dissemination, data broadcasting, and data caching, as well as investigations into data management in hybrid data delivery systems. This paper proposes cooperative data management based on the Hybrid Wireless Broadcast (HWB) model to provide more efficient data delivery to mobile clients. Our cooperative strategy integrates broadcast scheduling with cache management of the base station, taking heterogeneous and homogeneous access of clients into consideration, by making effective use of HWB data dissemination, i.e., push-based broadcast, pull-based broadcast, and pull-based point-to-point wireless communication. Our simulation results confirmed that the strategy we propose can improve the performance of the system even further.
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