Communication device comprising a carrier sense function and communication method
US8406249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2011 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Dec 14, 2031 |
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.