OFDM/OFDMA frame structure for communication systems
US8369301B2 · kind B2 · utility
25Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 17, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | May 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/26025
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM/OFDMA frame structure technology comprises a variable length sub-frame structure with efficiently sized cyclic prefixes and efficient transition gap durations operable to effectively utilize OFDM/OFDMA bandwidth. Furthermore, the frame structure provides compatibility with multiple wireless communication systems. An uplink frame structure and a downlink frame structure are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.