Communication device comprising a carrier sense function and communication method
US8107490B2 · kind B2 · utility
2Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2009 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Sep 30, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/413
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication device of an example of the present invention comprises a first unit determining that whether a state is a first state indicating that a transmission medium is in use, a second state indicating that the transmission medium is not in use, or a third state indicating that whether or not the transmission medium is in use is being determined, and a second unit prohibiting a data transmission in the first and third states, and permitting the data transmission in the second state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.