Apparatus and method for hardware creation of a header

Details Apparatus and method for hardware creation of a header Apparatus and method for hardware creation of a header

2007-08-17

2010-06-15

Ngo, Ricky (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C714S758000

Reexamination Certificate

active

07738460

ABSTRACT:
A media access controller (MAC) is configured with a header creator circuit. The header creator circuit is configured with logic for receiving a data packet and determining whether the received data packet has an existing packet header prepended thereto. The header creator circuit is further configured to determine if the length of the received data packet includes a cyclic redundancy code. Still further, the header creator circuit is configured to determine a packet header length field value for the received data packet. If the header creator circuit determines that a cyclic redundancy code needs to be included with the received data packet, then the header creator circuit is able to generate a CRC flag. If the data packet needs to be encrypted, then the header creator circuit will generate an encryption flag if it is determined that the received data packet should be encrypted. Finally, the header creator circuit generates a packet header having a plurality of fields.

REFERENCES:
patent: 5742604 (1998-04-01), Edsall et al.
patent: 5999541 (1999-12-01), Hichey et al.
patent: 6226771 (2001-05-01), Hilla et al.
patent: 6438123 (2002-08-01), Chapman
patent: 6629288 (2003-09-01), Bernath et al.
patent: 6633564 (2003-10-01), Steer et al.
patent: 6751230 (2004-06-01), Vogel et al.
patent: 6765931 (2004-07-01), Rabenko et al.
patent: 6788707 (2004-09-01), Horton et al.
patent: 6816940 (2004-11-01), Brooks et al.
patent: 6909715 (2005-06-01), Denney et al.
patent: 6973668 (2005-12-01), Chen et al.
patent: 6985492 (2006-01-01), Thi et al.
patent: 7145887 (2006-12-01), Akgun et al.
patent: 7197052 (2007-03-01), Crocker
patent: 7389527 (2008-06-01), Bunn et al.
patent: 2002/0062394 (2002-05-01), Bunn et al.
patent: 2002/0093955 (2002-07-01), Grand et al.
patent: 2002/0106017 (2002-08-01), Dombkowski et al.
patent: 2002/0131426 (2002-09-01), Amit et al.
patent: 2002/0136203 (2002-09-01), Liva et al.
patent: 2002/0191691 (2002-12-01), Holborow
patent: 2003/0058862 (2003-03-01), Lansing et al.
patent: 2006/0120369 (2006-06-01), Chandran et al.
patent: 2008/0089342 (2008-04-01), Lansing et al.
patent: 0 874 503 (1998-10-01), None
patent: 1 043 661 (2000-10-01), None
patent: 001298877 (2003-04-01), None
“BCM3300 QAMLink® Single-Chip DOCSIS Cable Modem” [online], BCM3300 Product Brief, Broadcom Corporation (1999) [retrieved on Jun. 25, 2003]. Retrieved from the Internet: <URL:http://www.broadcom.com/products/3300.html> (2 pages).
“BCM3310 QAMLink® Communications Processor” [online], BCM3310 Product Brief, Broadcom Corporation (1999) [retrieved on Jun. 25, 2003]. Retrieved from the Internet: <URL: http://www.broadcom.com/products/3310.html> (2 pages).
“BCM3300 QAMLink® Single-Chip DOCSIS/EURODOCSIS Cable Modem” [online], BCM3300 Product Brief, Broadcom Corporation (2003) [retrieved on Sep. 25, 2003]. Retrieved from the Internet: <URL: http://www.broadcom.com/products/3300.html> (2 pages).
“BCM3310 QAMLink® Communications Processor” [online], BCM3310 Product Brief, Broadcom Corporation (2003) [retrieved on Sep. 25, 2003]. Retrieved from the Internet: <URL: http://www.broadcom.com/products/3310.html> (2 pages).
“Radio Frequency Interface Specification SP-RFIV1.1-105-000714” [online], Data-Over-Cable Service Interface Specifications, Cable Television Laboratories (Jul. 14, 2000) [retrieved on Mar. 20, 2002]. Retrieved from the Internet: <URL: http://www.docsis.org/docs/SP-RFIv1.1-105-000714.pdf> (p. 171, paragraph 8.4; p. 178, last paragraph: figures 8-11, 8-12, 8-13, 8-14, and 8-15).
Goldberg, L., “MCNS/DOCSIS MAC Clears a Path for the Cable-Modem Invasion,” Electronic Design 45:69-70, 74, 78, and 80, Penton Publishing (Dec. 1, 1997).
Sumner, M., “DOCSIS 1.1 Overview” [online], Cable Labs (May 3, 1999) [retrieved on Apr. 18, 2001]. Retrieved from the Internet: <URL: http://www.cablemodem.com/Euroll—Overview.pdf> (16 pages).
Schwarzfeld, G., “DOCSIS Contra DVB,”Funkschau, Franzis- Verlag K. G.,vol. 73, pp. 51-53, No. 1/2, Jan. 7, 2000.
Quigley, T.J., “Cablemodem Standards for Advanced Quality of Service Deployments” Consumer Electronics, ICEE, pp. 282-283, Jun. 1999.
European Search Report, dated Feb. 6, 2003, issued by the European Patent Office.

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