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Transmit Spectra Adaptive to Noise and Interference at Activation for HDSL2
We present several methods for implementing optimal HDSL2 transmit spectra that, at activation, adapt to the surrounding interference and noise. The methods are based around either a set of fixed transmit filters or a ...
Optimal Transmit Spectra for HDSL2 under a Peak Frequency-Domain Power Constraint
We present a technique for designing optimal transmit spectra for the HDSL2 service subject to a peak power constraint in the frequency domain. The peak power constraint might be imposed either due to engineering considerations ...
Optimal Transmit Spectra for HDSL2
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 ...