Enhanced frame utilization for CSMA/CD communication protocol
US4954965A · kind A · utility
15Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1989 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Feb 9, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/413
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a CSMA/CD communication protocol, data to be sent from one device on a communication network to another is put into frames, or predetermined sized pieces of information. One of the fields in a frame, the pad field, is used to make the total size of the frame large enough to ensure that a collision anywhere in the network with another frame is detected by the senders. The pad field is further used to identify when a data record will be continued in the next frame and also to identify when multiple data records are being sent in the same frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.