Transmission rate calculation scheme using table-lookup

Details Transmission rate calculation scheme using table-lookup Transmission rate calculation scheme using table-lookup

1997-05-22

2000-10-24

Vu, Huy D.

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

370232, 370468, G01R 3108, H04J 116, H04J 322, H04L 1226

Patent

active

061377791

ABSTRACT:
A method for distributing the available bit rates in a variable bit rate service under asynchronous transfer mode is provided by distributing the available bit rates in logarithmic-linear steps, so that the ratio between two successive available bit rates are substantially constant. To minimize computation required to calculate the next available allowable cell rate, a table look-up method can be used in conjunction with a state machine. In one embodiment, the table look-up operation includes accessing a rate increase table and a rate decrease table. A selection circuit is provided to choose the next allowable cell rate from the current cell rate, and the output values obtained from looking up the rate increase table and the rate decrease table.

REFERENCES:
patent: 5506844 (1996-04-01), Rao
patent: 5850398 (1998-12-01), King, Jr.
patent: 5936940 (1999-07-01), Marin et al.

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