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JSAC
2008
90views more  JSAC 2008»
15 years 5 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig
TIP
2008
153views more  TIP 2008»
15 years 5 months ago
Hierarchical Color Correction for Camera Cell Phone Images
In this paper, we propose a hierarchical color correction algorithm for enhancing the color of digital images obtained from low quality digital image capture devices such as cell ...
Hasib Siddiqui, Charles A. Bouman
TPDS
2008
105views more  TPDS 2008»
15 years 5 months ago
Analysis of TTL-Based Consistency in Unstructured Peer-to-Peer Networks
Consistency maintenance is important to the sharing of dynamic contents in peer-to-peer (P2P) networks. The TTL-based mechanism is a natural choice for maintaining freshness in P2P...
Xueyan Tang, Jianliang Xu, Wang-Chien Lee
PVLDB
2010
342views more  PVLDB 2010»
15 years 4 months ago
CRIUS: User-Friendly Database Design
Non-technical users are increasingly adding structures to their data. This gives rise to the need for database design. However, traditional database design is deliberate and heavy...
Li Qian, Kristen LeFevre, H. V. Jagadish
TC
2010
15 years 4 months ago
The Design and Evaluation of a Self-Organizing Superpeer Network
—Superpeer architectures exploit the heterogeneity of nodes in a peer-to-peer (P2P) network by assigning additional responsibilities to higher capacity nodes. In the design of a ...
Pawel Garbacki, Dick H. J. Epema, Maarten van Stee...