An Efficient Partition and Matching Algorithm for Query-Set-based Broadcasting in Multiple Channel Mobile Environment

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Title:	An Efficient Partition and Matching Algorithm for Query-Set-based Broadcasting in Multiple Channel Mobile Environment
Authors:	林峻鋒;Lin, Jun-Feng;Wu, Guang-Ming;Tsaih, Der-Chian
Contributors:	資訊工程學系
Keywords:	Access time;data broadcast;mobile environment;multi-channel;query-set-based broadcasting
Date:	2009-01
Issue Date:	2018-10-15 16:24:04 (UTC+8)
Abstract:	Broadcast is an efficient and scalable method for resolving the bandwidth limitation in a wireless environment. In many applications, mobile clients might need more than one data item. However, most previous researches on query-set-based broadcasting are restricted to a single broadcast channel environment. The results are limited applicability to the upcoming mobile environments. In this paper, we relax this restriction and explore the problem of query-set-based broadcasting in multiple broadcast channels. In multi-channel query-set-based broadcasting, we discover data collision (two data items in the same query set are arranged on two channels at the same time slot) is an important factor to affect users' access time. In this paper, we introduce the new data collision problem motivated by multi-channel query-set-based broadcasting environment. We then present a two-stage scheme of data partitioning and data matching to solve the new data collision problem. Experiments are performed to justify the benefit of our approach.
Relation:	WSEAS TRANSACTIONS on COMMUNICATIONS Vol. 8, no. 1 pp.172-183
Appears in Collections:	[Department of Computer Science and Information Engineering] Periodical Articles

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