Patent · US Active

Communication device comprising a carrier sense function and communication method

US8406249B2 · kind B2 · utility

1Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 2011
Grant dateMar 26, 2013
Priority date
Expiry dateDec 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.