Subscriber line addition method and device for vectored DSL system, and vectored DSL system
A subscriber line and vectorization technology, which is applied in the direction of line transmission parts, data exchange through path configuration, telephone communication, etc., can solve the problems of long waiting time for subscriber lines, waste of public resources, etc., and shorten the overall joining time and save The effect of common resources
Active Publication Date: 2013-12-25
HUAWEI TECH CO LTD
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Problems solved by technology
However, in reality, the probability of all subscriber lines joining at the same time is very small, which results in a longer waiting time for joining subscriber lines later
In addition, the public resources of the system are wasted
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0032] The embodiment of the present invention provides a method for adding a subscriber line in a vectorized DSL system, such as figure 1 As shown, the method includes:
[0033] 101. Divide the user lines into at least two groups according to the time when the user lines request to go online, the grouped at least two groups of user lines include a first group of user lines and a second group of user lines, and the first group of user lines The online request time...
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The present invention relates to the technical field of communications. Disclosed are a subscriber line addition method and device for a vectored DSL system, and a vectored DSL system, capable of shortening the overall time of adding a subscriber line in the DSL system. The method comprises dividing the subscriber lines into at least two groups according to the requested online time of the subscriber lines, the at least two divided groups of subscriber lines comprising a first group of subscriber lines and a second group of subscriber lines, the requested online time of all the subscriber lines in the first group of subscriber lines being earlier than the requested online time of all the subscriber lines in the second group of subscriber lines; having all the subscriber lines in the first group of subscriber lines enter into the addition process; and during the addition process of the first group of subscriber lines, when the first group of subscriber lines arrives at the starting time of a specified vector stage, having all the subscriber lines in the second group of subscriber lines enter into the addition process. The present invention can be applied to the addition process of the subscriber lines in a DSL system.
Description
technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for adding a subscriber line in a vectorized DSL system and the vectorized DSL system. Background technique [0002] DSL (Digital Subscriber Line, Digital Subscriber Line) is a high-speed data transmission technology transmitted on twisted-pair telephone lines. Usually, multiple users in a bundle of cables subscribe to DSL services, and the system that provides multiple DSL access is called DSLAM (Access Multiplexer, Access Multiplexer). Due to the principle of electromagnetic induction, crosstalk will occur between the multiple signals connected to the DSLAM, resulting in problems such as low line rate, unstable performance, and even failure to open. At present, vectorized DSL technology is mainly used to jointly transmit and receive multiple signals at the DSLAM end, and signal processing methods are used to eliminate crosstalk. [0003] In the vect...
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IPC IPC(8): H04B3/32H04L12/28
CPCH04M11/062H04B3/32
Inventor 曹用武
Owner HUAWEI TECH CO LTD