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Adaptive Data Dissemination Schemes for Location-aware Mobile Services by KwangJin Park; MoonBae Song; Chong-Sun Hwang is a Computer Science article available to read on EtoBox.

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Broadcasting is the natural method of propagating information in wireless links, which guarantees scalability in the case of bulk data transfers. It is particularly attractive for resource limited mobile clients in asymmetric communications. To facilitate power saving via wireless data broadcast, index information is typically broadcast along with the data. By first accessing the broadcast index, the mobile client is able to predict the arrival time of the desired data. However, it suffers from the drawback that the client has to wait and tune for an index segment, in order to conserve battery power consumption. In location-aware mobile services (LAMSs), it is important to reduce the query response time, since a late query response may contain out-of-date information. This paper proposes a new broadcast-based spatial query processing method, called BBS designed to support NN query processing. In the BBS, broadcasted data objects are sorted sequentially based on their locations, and the server broadcasts the location dependent data along with an index segment. In this method, since the data objects broadcasted by the server are sequentially ordered based on their location, it is not

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Author

KwangJin Park; MoonBae Song; Chong-Sun Hwang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0164-1212)

Published

2006

Language

EN

Field

Computer Science (Physical Sciences)