High-speed digital subscriber line (HDSL) wander reduction utilizing minimums

A method of operating a High-speed Digital Subscriber Line (HDSL) communication device, comprising:

• receiving a T1 datastream;
• incorporating the T1 datastream in an HDSL protocol datastream;
• transmitting the HDSL protocol datastream;
• sensing an offset between an instantaneous data rate of the T1 datastream and a data rate of the HDSL protocol datastream;
• and
• selectively adjusting the HDSL protocol datastream data rate to an optimal data rate to move the data rate offset closer to a wander jitter minimum point.

A machine-usable medium having machine-readable instructions stored thereon for execution by a processor of a communication device to perform a method comprising:

• receiving a T1 datastream;
• incorporating the T1 datastream in an HDSL protocol datastream;
• transmitting the HDSL protocol datastream;
• sensing an offset between an instantaneous data rate of the T1 datastream and a data rate of the HDSL protocol datastream;
• and
• selectively adjusting the HDSL protocol datastream data rate to an optimal data rate to reposition the data rate offset closer to a wander jitter minimum.

A high-speed digital subscriber line (HDSL) communication device, comprising:

• an HDSL interface coupled to an HDSL chipset, wherein the HDSL chipset is adapted to transceive an HDSL datastream with a selectively adjustable HDSL data rate through the HDSL interface;
• a data interface coupled to the HDSL chipset, wherein the data interface is adapted to transceive a datastream with a data rate;
• and
• wherein a data rate offset is measured between the datastream data rate and the HDSL data rate by the HDSL chipset and the HDSL data rate is selectively adjusted to an optimal data rate to move the data rate offset closer to a low wander jitter minimum.

A high-speed digital subscriber line (HDSL) communication system, comprising:

• an HDSL communication link;
• and
• a plurality of HDSL communication devices coupled to the HDSL communication link, wherein a first HDSL communication device of the plurality of HDSL communication devices is a central office (CO) HDSL communication device and a second HDSL communication device of the plurality of HDSL communication devices is a remote (RMT) HDSL communication device, and wherein at least one of the plurality of HDSL communication devices comprises:
• an HDSL interface coupled to an HDSL chipset, wherein the HDSL chipset is adapted to transceive an HDSL datastream with a selectively adjustable HDSL data rate through the HDSL interface to the HDSL communication link;
• a data interface coupled to the HDSL chipset, wherein the data interface is adapted to transceive a datastream with a data rate;
• wherein a data rate offset is measured between the datastream data rate and the HDSL data rate by the HDSL chipset;
• and
• wherein the HDSL data rate is selectively adjusted to an optimal data rate to reposition the data rate offset closer to a wander jitter minimum.

A method of characterizing a High-speed Digital Subscriber Line (HDSL) communication device, comprising:

• selecting each HDSL data rate in turn of a plurality of HDSL data rates;
• sweeping an allowed data rate range for an input datastream for each selected HDSL data rate;
• and
• sensing and recording a wander jitter rate and wander jitter minimum points for the HDSL communication device for an instantaneous data rate of the input datastream at each selected HDSL data rate.

A high-speed digital subscriber line (HDSL) communication system, comprising:

• an HDSL communication link;
• and
• a central office (CO) HDSL communication device coupled to the HDSL communication link and a remote (RMT) HDSL communication device coupled to the HDSL communication link, wherein the CO HDSL communication device comprises:
• an HDSL interface coupled to an HDSL chipset, wherein the HDSL chipset is adapted to transceive an HDSL datastream with a selectively adjustable HDSL data rate through the HDSL interface to the HDSL communication link;
• a T1 data interface coupled to the HDSL chipset, wherein the T1 data interface is adapted to transceive a T1 datastream with a data rate;
• wherein a data rate offset is measured between the T1 datastream data rate and the HDSL data rate by the HDSL chipset;
• and
• wherein the HDSL data rate is selectively adjusted to an optimal data rate to move the data rate offset closer to a low wander jitter minimum.