OFDM communication method and OFDM communication device
US7463577B2 · kind B2 · utility
45Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2003 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | May 31, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0244
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
When OFDM signals are transmitted from a plurality of antennas, a pilot carrier is transmitted from one antenna among the plurality of antennas, and a null signal is transmitted from an antenna other than that antenna by a subcarrier of the frequency band that transmits the pilot carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.