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» Mapping Accessibility Over Time
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VTC
2006
IEEE
106views Communications» more  VTC 2006»
15 years 5 months ago
Rate Regions of Asymmetrical Multiple Access with Receive Diversity
— Based on the specification of a high-throughput wireless local area network system we consider the achievable rate regions of time, frequency and code division multiple access...
Thomas Deckert, Sebastian Kaiser, Gerhard Fettweis
DEXAW
2000
IEEE
149views Database» more  DEXAW 2000»
15 years 3 months ago
A Flexible Mobile-Agent Framework for Accessing Information Systems in Disconnected Computing Environments
Over the last few years, the importance of mobile computing as been steadily increasing. While it is important to provide support for accessing databases in disconnected computing...
Paulo Marques, Luís Moura Silva, Joã...
ICDE
2008
IEEE
121views Database» more  ICDE 2008»
16 years 1 months ago
Optimizing Hierarchical Access in OLAP Environment
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
Lipyeow Lim, Bishwaranjan Bhattacharjee
INFOCOM
2007
IEEE
15 years 6 months ago
Throughput-Optimal Scheduling in Multichannel Access Point Networks Under Infrequent Channel Measurements
—We consider the problem of uplink/downlink scheduling in a multichannel wireless access point network where channel states differ across channels as well as users, vary with tim...
Koushik Kar, Xiang Luo, Saswati Sarkar
RTCSA
2005
IEEE
15 years 5 months ago
Service Delivery in Context Aware Environments: Lookup and Access Control Issues
Large-scale distributed systems, such as ubiquitous computing environments, require a service delivery mechanism in order to keep track of the vast set of services offered and mak...
Maria Riaz, Saad Liaquat Kiani, Sungyoung Lee, San...