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MDA
1999
Springer
179views Communications» more  MDA 1999»
15 years 6 months ago
Cache Coherency in Location-Dependent Information Services for Mobile Environment
Abstract. Caching frequently accessed data at the client is an attractive technique for improving access time. In a mobile computing environment, client location becomes a piece of...
Jianliang Xu, Xueyan Tang, Dik Lun Lee, Qinglong H...
CRIWG
2010
15 years 3 months ago
Digital Workbook: A Mobile Learning Environment to Support Collaborative Examinations
It is already known that some collaborative assessment processes can provide students not only the possibility to show how well they have understood knowledge content, but also the...
Iván D. Claros, César A. Collazos, L...
MONET
2002
95views more  MONET 2002»
15 years 1 months ago
On Improving the Performance of Cache Invalidation in Mobile Environments
Many cache management schemes designed for mobile environments are based on invalidation reports (IRs). However, IR-based approach suffers from long query latency and it cannot eff...
Guohong Cao
WINET
2002
92views more  WINET 2002»
15 years 1 months ago
Speed Estimation of Mobile Station in Additive Noise and Rayleigh Fading Environments
In this paper, the speed of Mobile Station (MS) is estimated based on the derivative and correlation properties of received wave envelope in additive noise and Rayleigh fading chan...
Dong-Jun Lee, Byung-Cheol Shin, Dong-Ho Cho
GLOBECOM
2010
IEEE
14 years 12 months ago
Distributed High Accuracy Peer-to-Peer Localization in Mobile Multipath Environments
In this paper we consider the problem of high accuracy localization of mobile nodes in a multipath-rich environment where sub-meter accuracies are required. We employ a peer to pee...
Venkatesan N. Ekambaram, Kannan Ramchandran