Multiplex communications – Wide area network – Packet switching
Patent
1995-06-27
1998-09-22
Geckil, Mehmet B.
Multiplex communications
Wide area network
Packet switching
370466, 370913, 39520066, G06F 1210, G06F 1300
Patent
active
058127666
ABSTRACT:
A protocol conversion system for use with a circuit for realizing a protocol in a CSMA/CD system for converting the protocol in the CSMA/CD system into a protocol in a CSMA/CA system. The protocol conversion system includes first counter for performing counting for a first period from a timing of termination of a carrier sense signal indicative of input of a reception signal of a data, a random number generator for generating a random number, a second counter for performing counting for a period corresponding to a value of the random number generated by the random number generator after termination of counting by the first counter, a reset circuit for forcedly stopping the first and second counters at a timing of beginning of the carrier sense signal, and dummy signal generator for generating a pseudo receive data while the second counter is active for counting.
REFERENCES:
patent: 5164942 (1992-11-01), Kamerman et al.
patent: 5329531 (1994-07-01), Diepstraten et al.
patent: 5369639 (1994-11-01), Kamerman et al.
patent: 5519834 (1996-05-01), Kamerman et al.
"IEEE Standards for Local Area Networks: Carrier Sense Multiple Access With Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications", ANSI/IEEE Std 802.3-1985, pp. 138-143.
Geckil Mehmet B.
NEC Corporation
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