Apparatus for alerting an emergency via broadcast signal transmission/reception and method for alerting an emergency via broadcast signal transmission/reception
US9485110B2 · kind B2 · utility
10Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2014 |
| Grant date | Nov 1, 2016 |
| Priority date | — |
| Expiry date | Aug 31, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/323
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding PLP data; building at least one signal frame by mapping the encoded PLP data; and modulating data in the built signal frame by OFDM method and transmitting a broadcast signal having the modulated data, wherein the signal frame includes a preamble having a preamble symbol and a guard interval, wherein the guard interval is generated by using a sequence and the preamble symbol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.