Method and tool for automatically generating a limited set of spectrum and service profiles

Abstract

A method for automatically generating a limited set of spectrum and service profiles for use in an operator's telecommunication network includes collecting physical layer parameter values for individual lines, determining a set of optimized parameter values for each one of the individual lines, estimating a probability density function for each optimized parameter based on optimized parameter values for multiples lines, sampling the probability density function for each optimized parameter and selecting and combining according to parameter and profile policies a set of optimized parameter values to generate the limited set of spectrum and service profiles.

The invention claimed is:  
     
       1. A method for automatically generating a limited set of spectrum and service profiles for use in an operator's telecommunication network, said limited set of spectrum and service profiles being associated with a plurality of performance link parameters including at least one of a target noise margin, a maximum allowable delay, a maximum bit rate, and a maximum power spectral density, said method comprising:
 collecting, by a dynamic line manager, physical layer parameter values for a plurality of individual lines, said physical layer parameter values including one or more of a loop attenuation, a background noise power, an impulse noise level and a transmitted power level; 
 determining, by the dynamic line manager, a set of parameter values for each of the plurality of individual lines from said physical layer parameter values; 
 generating, by the dynamic line manager, a probability density function for each of the set of parameter values based on the sets of parameter values for the plurality of individual lines; 
 down-sampling, by the dynamic line manager, said probability density function for each of the set of parameter values to restrict a number of spectrum and service profiles in said limited set; and 
 selecting and combining according to parameter and profile policies, by the dynamic line manager, a limited set of parameter values; and 
 generating said limited set of spectrum and service profiles by cross-combining said limited set of parameter values. 
 
     
     
       2. The method according to  claim 1 , wherein the generating said probability density function for each of the set of parameter values comprises:
 determining histograms for each of the set of parameter values . 
 
     
     
       3. The method according to  claim 1 , wherein a sampling step used for said down-sampling is determined based on a deviation between a current probability density value and a mean probability density value. 
     
     
       4. The method according to  claim 1 , wherein said selecting and combining a limited set of parameter values comprises:
 examining all possible cross-combinations of parameter value samples. 
 
     
     
       5. The method according to  claim 1 , wherein said parameter and profile policies comprise one or more of,
 a range of parameter values, 
 a granularity for parameter values, 
 a maximum number of profiles, and 
 a minimum variation between profiles. 
 
     
     
       6. An apparatus for automatically generating a limited set of spectrum and service profiles for use in an operator's telecommunication network, said limited set of spectrum and service profiles being associated with a plurality of performance link parameters including at least one of a target noise margin, a maximum allowable delay, a maximum bit rate, and a maximum power spectral density, said apparatus comprising:
 a memory having computer readable instructions stored thereon and 
 a processor, which when executing the instructions, is configured to:
 collect physical layer parameter values for a plurality of individual lines, said physical layer parameter values including one or more of a loop attenuation, a background noise power, an impulse noise level and a transmitted power level; 
 determine a set of parameter values for each of the plurality of individual lines from said physical layer parameter values; 
 generate a probability density function for each of the set of parameter values based on the sets of parameter values for the plurality of individual lines; 
 down-sample said probability density function for each of the set of parameter values to restrict a number of spectrum and service profiles in said limited set; and 
 select and combine according to parameter and profile policies a limited set of parameter values; and 
 generate said limited set of spectrum and service profiles by cross-combining said limited set of parameter values.