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Maximizing the Bandwidth Efficiency of the CMS Tracker Analog Optical Links

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arxiv physics/0511013 v1 pith:L5UJLKZ4 submitted 2005-11-02 physics.ins-det

Maximizing the Bandwidth Efficiency of the CMS Tracker Analog Optical Links

classification physics.ins-det
keywords opticalanalogcurrentefficiencylinklinksmodulationtracker
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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