Optimizing precoder settings using average SINR reports for groups of tones

AE Ashikhmin, AJDL Van Wijngaarden… - US Patent …, 2014 - Google Patents
Related US Application Data during a sequence of periods. For each period of the sequence
AV of periods, a separate value of a measure of crosstalk that was (63) Continuation-in-part …

Vectoring in DSL systems: Practices and challenges

M Guenach, J Meas, M Timmers… - 2011 IEEE Global …, 2011 - ieeexplore.ieee.org
Crosstalk cancellation, also known as vectoring, is a promising technique that significantly
increases the capacity of digital subscriber line access networks. In this paper, the potential …

Interpolation method and apparatus for increasing efficiency of crosstalk estimation

A Ashikhmin, AJDL Van Wijngaarden… - US Patent …, 2012 - Google Patents
Principles of the invention provide techniques that effi ciently obtain channel crosstalk
estimates in DSL systems and other communication systems that may include unsyn …

Method and apparatus for self-tuning precoder

AJDL Van Wijngaarden, GGT Kramer… - US Patent …, 2011 - Google Patents
Techniques are disclosed for compensating for crosstalk using adaptation of data signals
transmitted over respective channels of a communication system. For example, a method …

Crosstalk control method and apparatus using a bandwidth-adaptive precoder interface

AJDL Van Wijngaarden - US Patent 8,270,523, 2012 - Google Patents
The present invention is related to the invention disclosed in US patent application Ser. No.
12/640.997, filed concur rently herewith and entitled “Method and Apparatus for Inter ference …

DSL crosstalk coefficient acquisition using SNR feedback

P Whiting, A Ashikhmin, G Kramer… - … 2008-2008 IEEE …, 2008 - ieeexplore.ieee.org
Rapid acquisition of accurate crosstalk estimates is a core requirement for effective
preceding in digital subscriber line (DSL) systems. It is shown that signal-to-noise ratio …

On signal-to-noise ratio-assisted crosstalk channel estimation in downstream DSL systems

M Guenach, J Louveaux… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
Downstream (DS) crosstalk channels of digital subscriber line systems can be estimated
based on the reported signal-to-noise ratio (SNR). In the case of an already active victim line …

[PDF][PDF] Simple statistical analysis of the impact of some nonidealities in downstream VDSL with linear precoding

M Baldi, F Chiaraluce, R Garello, M Polano… - EURASIP Journal on …, 2010 - Springer
This paper considers a VDSL downstream system where crosstalk is compensated by linear
precoding. Starting from a recently introduced mathematical model for FEXT channels …

Aspects of dynamic spectrum management level 3

C Storry, M Živković, J Verlinden… - Bell Labs Technical …, 2008 - ieeexplore.ieee.org
Digital subscriber line (DSL) networks are currently enhanced to provide higher
transmission rates and reliability in order to support emerging triple-play services, ie, voice …

A* algorithm based power minimization for discontinuous operations in G. fast

A Raj, P Biyani, S Aine - 2017 IEEE International Conference …, 2017 - ieeexplore.ieee.org
To enable energy efficiency, G. fast standards define discontinuous operations (DO) where a
set of users can remain inactive while others transmit during a time domain duplex (TDD) …