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ISCAS
1999
IEEE
131views Hardware» more  ISCAS 1999»
15 years 4 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»
15 years 4 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
15 years 1 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»
15 years 1 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»
15 years 1 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