Radio communication system
US8447253B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Nov 15, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2602
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a radio communication system in which multiple bands or a plurality of different radio frequencies are used, a different radio transmission method is used in each band or at each radio frequency. For example, by transmitting data using radio formats which are different in each band or at each radio frequency, the radio transmission method is made different in each band or at each radio frequency. In order to vary the radio format, (1) the pilot length is varied at each radio frequency; or (2) the pilot interval is varied at each radio frequency; or (3) the guard interval length is varied in each band or at each radio frequency; or (4) when multicarrier modulation is used for radio communication in each band, the subcarrier interval for multicarrier transmission is varied in each band.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.