Proceedings ArticleDOI
Energy-efficient caching for wireless mobile computing
Kung-Lung Wu,Philip S. Yu,Ming-Syan Chen +2 more
- pp 336-343
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TLDR
An energy-efficient cache invalidation method, called GCORE (Grouping with COld update-set REtention), that allows a mobile computer to operate in a disconnected mode to save the battery while still retaining most of the caching benefits after a reconnection is presented.Abstract:
Caching can reduce the bandwidth requirement in a mobile computing environment. However, due to battery power limitations, a wireless mobile computer may often be forced to operate in a doze (or even totally disconnected) mode. As a result, the mobile computer may miss some cache invalidation reports broadcast by a server, forcing it to discard the entire cache contents after waking up. In this paper, we present an energy-efficient cache invalidation method, called GCORE (Grouping with COld update-set REtention), that allows a mobile computer to operate in a disconnected mode to save the battery while still retaining most of the caching benefits after a reconnection. We present an efficient implementation of GCORE and conduct simulations to evaluate its caching effectiveness. The results show that GCORE can substantially improve mobile caching by reducing the communication bandwidth (or energy consumption) for query processing.read more
Citations
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Book ChapterDOI
Bandwidth-Conserving Cache Validation Schemes in a Moblie Database System
Hyunchul Kang,Sangmin Lim +1 more
TL;DR: In this paper, the authors proposed a cache validation scheme that can efficiently conserve the bandwidth both in cache validation and query processing afterwards. But the performance of their scheme is evaluated through the detailed simulation experiments.
Journal Article
Mobile Agent based Emigration Framework for 4G: MAEF
Dimple Juneja,Kailash Ch,er +2 more
TL;DR: An intelligent emigration framework which proactively migrate data from one network to another especially when the remaining time of current transaction is more the remaining battery life (RBL) of current device.
Journal ArticleDOI
CACC: A Cooperative Approachto Cache Consistency in WMNs
TL;DR: The proposed CACC, a cooperative approach to maintain cache consistency for wireless mesh networks, combines push and pull by making use of the hierarchical architecture of mesh networks and can save message cost significantly.
Dissertation
Energy efficient vehicular networks in a city environment
TL;DR: An analytical queuing model is developed for the CP, where the CP sleeps during its inactivity periods to save energy while maintaining the required QoS, and an energy efficient content distribution network (CDN) for this environment is proposed.
Proceedings ArticleDOI
A Cooperative Approach to Cache Consistency Maintenance in Wireless Mesh Networks
TL;DR: The first cooperative approach to maintain cache consistency for wireless mesh networks is proposed, which basically combines push and pull by making use of the hierarchical architecture of mesh networks.
References
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Journal ArticleDOI
Mobile wireless computing: challenges in data management
Proceedings Article
Sleepers and Workaholics: Caching Strategies in Mobile Environments
Daniel Barbará,Tomasz Imielinski +1 more
TL;DR: In this paper, a taxonomy of different cache invalidation strategies and study the impact of client's disconnection times on their performance is presented, and the authors determine that for the units which are often disconnected (sleepers) the best cache invalidization strategy is based on signatures previously used for efficient file comparison.
Proceedings ArticleDOI
Sleepers and workaholics: caching strategies in mobile environments
Daniel Barbará,Tomasz Imielinski +1 more
TL;DR: A taxonomy of different cache invalidation strategies is proposed and it is determined that for the units which are often disconnected (sleepers) the best cache invalidations strategy is based on signatures previously used for efficient file comparison, and for units which is connected most of the time (workaholics), the best Cache invalidation strategy isbased on the periodic broadcast of changed data items.
Proceedings ArticleDOI
Energy efficient indexing on air
TL;DR: This work describes two methods, (1,m) Indexing and Distributed Indexing, for organizing and accessing broadcast data and demonstrates that the proposed algorithms lead to significant improvement of battery life, while retaining a low access time.
Journal ArticleDOI
Adaptation and mobility in wireless information systems
TL;DR: The author begins by discussing the background, defining key terms and showing how wireless information systems can be viewed as a natural evolution of computing's relentless march toward greater distribution and ubiquity of access.
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