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Optimal Transmit Spectra for HDSL2

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Title: Optimal Transmit Spectra for HDSL2
Author: Gaikwad, Rohit; Baraniuk, Richard G.
Type: Report
Keywords: T1E1 contribution; HDSL2
Citation: R. Gaikwad and R. G. Baraniuk, "Optimal Transmit Spectra for HDSL2," T1E1 Contribution, no. T1E1.4/98-162R1, 1998.
Abstract: We present a general framework for designing optimal transmit spectra for the HDSL2 service. Using the channel and interference transfer functions and SNR estimates, we set up and solve an optimization problem to maximize the capacity. Sizable gains in performance margins (or bit rates) result. Furthermore, by design, the spectra are spectrally compatible with other services. While the framework is quite general - it does not depend on the exact choice of modulation scheme, for example - it is also extremely simple and of low computationaly complexity. Our results can be used either for dynamically adapting the signaling spectra to account for changing noise or intereference conditions or for the design of new fixed transmit spectral masks using worst-case analysis.
Date Published: 1998-01-15

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  • ECE Publications [1043 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • DSP Publications [508 items]
    Publications by Rice Faculty and graduate students in digital signal processing.