Communication control apparatus in ATM communication

Details Communication control apparatus in ATM communication Communication control apparatus in ATM communication

1996-10-15

1999-02-02

Elmore, Reba I.

Excavating

371 53, 370473, H03M 1300

Patent

active

058675094

ABSTRACT:
A communication control apparatus which includes a CRC circuit for performing a CRC calculation of the currently received cell data using an initial value "0" simultaneously with start of reception of data, and a CRC correction circuit for calculating a CRC correction value by performing a specific calculation of a CRC intermediate value in management data read out from a management data memory. Also included is an XOR circuit for XORing the CRC calculation result obtained by the CRC circuit and the correction value obtained by the CRC correction circuit which obtains a correct CRC intermediate value upon receiving data for one cell. The CRC calculation is started substantially simultaneously with the start of a reception of cell data, and is completed simultaneously with the end of reception, thus allowing easy read and write control of management data.

REFERENCES:
patent: 5282215 (1994-01-01), Hyodo et al.
patent: 5703887 (1997-12-01), Heegard et al.
patent: 5715259 (1998-02-01), Lee et al.

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