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ISCAS
1999
IEEE
131views Hardware» more  ISCAS 1999»
14 years 2 months ago
A multilevel modulation scheme for high-speed wireless infrared communications
To investigate short-distance, point-to-point, infrared channels, a test-bench and circuits were constructed to determine the limitations ofexisting optoelectronics. Theresults of...
S. Hranilovic, D. A. Johns
FODO
1998
Springer
241views Algorithms» more  FODO 1998»
14 years 2 months ago
2D BubbleUp: Managing Parallel Disks for Media Servers
In this study we present a scheme called two-dimensional BubbleUp (2DB) for managing parallel disks in a multimedia server. Its goal is to reduce initial latency for interactive m...
Edward Y. Chang, Hector Garcia-Molina, Chen Li
DAC
2008
ACM
13 years 11 months ago
Analog parallelism in ring-based VCOs
The performance advantages in parallel ring-based VCOs are explored. When the number of VCOs is doubled, the parallel VCOs enhance phase noise by 3dB, and the within-chip process-...
Daeik D. Kim, Choongyeun Cho, Jonghae Kim
CIC
2006
103views Communications» more  CIC 2006»
13 years 11 months ago
Performance Analysis of Punctured Turbo Code under An AWGN Channel
Turbo code is a coding technique that enhances a reliable data transmission. Because of special structure of encoder and iterative decoder, it could obtain 1dB at low EbN0 db that...
Ya-Fen Chen, Cheng-Ying Yang
CASCON
2001
142views Education» more  CASCON 2001»
13 years 11 months ago
An analytical model for buffer hit rate prediction
Of the many tuning parameters available in a database management system (DBMS), one of the most crucial to performance is the buffer pool size. Choosing an appropriate size, howev...
Yongli Xi, Patrick Martin, Wendy Powley