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» Performance Limitations of ADSL Users: A Case Study
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PAM
2007
Springer
13 years 9 months ago
Performance Limitations of ADSL Users: A Case Study
We report results from the analysis of a 24-hour packet trace containing TCP traffic of approximately 1300 residential ADSL clients. Some of our observations confirm earlier studi...
Matti Siekkinen, Denis Collange, Guillaume Urvoy-K...
ICC
2009
IEEE
164views Communications» more  ICC 2009»
13 years 10 months ago
Effects of Imperfect Channel State Information on Achievable Rates of Precoded Multi-User MIMO Broadcast Channels with Limited F
—We consider multi-user MIMO broadcast channels with limited feedback. A recently proposed linear precoding technique, regularized block diagonalization (RBD), is used to mitigat...
Bin Song, Martin Haardt
CORR
2010
Springer
176views Education» more  CORR 2010»
13 years 3 months ago
Limited Feedback Multi-Antenna Quantization Codebook Design-Part I: Single-User Channels
Abstract--In this two-part paper, we study the design and optimization of limited feedback single-user and multiuser systems with a multiple-antenna base station and single-antenna...
Behrouz Khoshnevis, Wei Yu
WEBI
2005
Springer
13 years 9 months ago
Limitations of Community Web Portals: A Classmates' Case Study
We analyze typical web portals supporting communication, data sharing and activities of former classmates. The inflexibility and restrictions imposed on users of such portals are ...
Anna V. Zhdanova, Dieter Fensel
GAMEON
2009
13 years 1 months ago
Analysis of User Trajectories Based on Data Distribution and State Transition: a Case Study with a Massively Multiplayer Online
At present, trajectory data, series of coordinate data traversed by moving objects, can be readily obtained due to the advent of positioning technologies. Clustering of trajectori...
Ruck Thawonmas, Junichi Oda, Kuan-Ta Chen