이동 데이터 서비스에서 동적인 데이터 요청패턴을 지원하는 효율적인 데이터 방송 시스템An Efficient Data Broadcast System Supporting Dynamic Data Request Patterns in Mobile Data Services
- Authors
- 신동천
- Issue Date
- 2009
- Publisher
- 한국IT서비스학회
- Keywords
- Data Broadcast; Caching Strategy; Mobile Data Service
- Citation
- 한국IT서비스학회지, v.8, no.1, pp 179 - 192
- Pages
- 14
- Journal Title
- 한국IT서비스학회지
- Volume
- 8
- Number
- 1
- Start Page
- 179
- End Page
- 192
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/32600
- ISSN
- 1975-4256
- Abstract
- In wireless environments, it is very effective to introduce a data broadcast system for providing a number of clients with mobile data services. In particular, an efficient broadcast scheduling and a caching strategy are very important for performance of data broadcast systems in wireless environments which have such inherent restrictions as low bandwidth, frequent disconnections, and short battery life. In this paper, we present a data broadcast scheduling strategy using bit vectors to cope with dynamic request patterns of clients. In addition, we also propose an efficient caching strategy, 2FWT, that takes characteristics of the broadcast scheduling strategy into account. Finally, we evaluate performance of the data broadcast system. According to the results, the proposed system generally shows better performance than others.
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Collections - College of Business & Economics > Department of Industrial Security > 1. Journal Articles
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