Method for data-flow quality control, a related receiver and...

Details Method for data-flow quality control, a related receiver and... Method for data-flow quality control, a related receiver and...

2011-03-29

2011-03-29

Ferris, Derrick W (Department: 2463)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S252000, C370S485000, C375S222000, C375S260000

Reexamination Certificate

active

07916639

ABSTRACT:
The present invention relates to a method for data-flow quality control in a Digital Subscriber Line communications system comprising a transmitter, a receiver, and a Digital Subscriber Line intercoupling the transmitter and the receiver. The transmitter sends a data-flow to the receiver, where the data-flow is modulated onto data-carriers according to a bit allocation indicative for the number of bits to be modulated on each data-carrier. The method comprises the steps of the receiver measuring the data-flow quality and subsequently the receiver instructs the transmitter to decrease the bit allocation with a same amount for a plurality of data-carriers in case the data-flow quality is unsatisfactorily low. Then the transmitter decreases the bit allocation accordingly.

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Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems—Digital Sections and Digital Lie System—Access Networks Splitterless Asymmetric Digital Subscriber Line (ADSL) Transceivers, ITU-T Recommendation G.992.2, Oct. 13, 2000, pp. 1-11, XP002149968.
Series G: Transmission Systems and Media, Digital Systems and Networks Digital transmission systems—Digital sections and digital line system—Access networks—Asymmetric digital subscriber line (ADSL) transceivers.

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