Method and device for determining, and method and system for configuring DSL reference virtual noise
AssigneeHuawei Technologies Co., Ltd.
InventorsRuzhou Feng, Jun Zhou, Jianhua Liu
Life of this patent
Estimating the term…
Abstract
A method for determining reference virtual noise of Digital Subscriber Line (DSL), includes: obtaining a receiver-end-actual noise of DSL subcarriers; and determining a reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarriers. Furthermore, the invention also discloses a device for determining a reference virtual noise of DSL, and a method and a system for configuring the reference virtual noise of DSL. The invention can improve the accuracy of the reference virtual noise, thereby making the configuration of the reference virtual noise more accurate.
Claims23
A method for determining a reference virtual noise of a Digital Subscriber Line (DSL), comprising:
- obtaining a receiver-end-actual noise of a DSL subcarrier;
- determining a transmitter-end-reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarrier, an obtained attenuation feature of the DSL subcarrier and an adjustment coefficient;
- configuring a transmitter-end-reference virtual noise parameter of the DSL with the determined transmitter-end-reference virtual noise.
A device for determining a reference virtual noise of a Digital Subscriber Line (DSL), comprising an actual noise obtaining module and a reference virtual noise determination module;
- wherein
- the actual noise obtaining module is configured to obtain a receiver-end-actual noise of a DSL subcarrier, and to provide data related with the receiver-end-actual noise of the DSL subcarrier to the reference virtual noise determination module;
- and
- the reference virtual noise determination module is configured to determine a transmitter-end-reference virtual noise according to the data from the actual noise obtaining module, an obtained attenuation feature of the DSL subcarrier and an adjustment coefficient, and to determine a receiver-end-reference virtual noise according to the data from the actual noise obtaining module and an adjustment coefficient.
A configuration system for a Digital Subscriber Line (DSL), comprising:
- a reference virtual noise determination device, configured to obtain a receiver-end-actual noise of a DSL subcarrier, and to determine a reference virtual noise according to the receiver-end-actual noise of the DSL subcarrier;
- and
- a line template module, configured to configure a transmitter-end-reference virtual noise parameter of the DSL according to the reference virtual noise provided by the reference virtual noise determination device, an obtained attenuation feature of the DSL subcarrier and an adjustment coefficient, and to determine a receiver-end-reference virtual noise according to the data from the actual noise obtaining module and an adjustment coefficient.
A computer readable storage medium recording a computer readable program enabling a computing unit to execute the following methods:
- obtaining a receiver-end-actual noise of a Digital Subscriber Line (DSL) subcarrier;
- and
- determining a transmitter-end-reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarrier, an obtained attenuation feature of the DSL subcarrier and an adjustment coefficient;
- determining a receiver-end-reference virtual noise according to the obtained receiver-end-actual noises of the DSL subcarrier and an adjustment coefficient;
- configuring a reference virtual noise parameter of the DSL with the determined transmitter-end-reference virtual noise and the receiver-end-reference virtual noise.
A method for determining reference virtual noise of a Digital Subscriber Line (DSL), comprising:
- obtaining a receiver-end-actual noise of a DSL subcarrier;
- determining a receiver-end-reference virtual noise according to the obtained receiver-end-actual noises of the DSL subcarrier and an adjustment coefficient;
- configuring a receiver-end-reference virtual noise parameter of the DSL with the determined receiver-end-reference virtual noise.
Dependencies are inferred from the claim text.