Maximizing the Bandwidth Efficiency of the CMS Tracker Analog Optical Links
arXiv (Cornell University)（2005）
Abstract
The feasibility of achieving faster data transmission using advanced digital
modulation techniques over the current CMS Tracker analog optical link is
explored. The spectral efficiency of Quadrature Amplitude Modulation
-Orthogonal Frequency Division Multiplexing (QAM-OFDM) makes it an attractive
option for a future implementation of the readout link. An analytical method
for estimating the data-rate that can be achieved using OFDM over the current
optical links is described and the first theoretical results are presented.
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Key words
data transmission,spectral efficiency
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