Spread OFDM for radio frequency communications
US11405254B2 · kind B2 · utility
1Cited by
0References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2020 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Nov 12, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2675
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
System and methods enabling radio communications that are operating in noisy environments using OFDM (Orthogonal Frequency Division Multiplexing) are disclosed. A spread OFDM transmitter that generates OFDM symbols that may include multiple copies of IFFT symbols is disclosed. A spread OFDM receiver is disclosed for receiving the spread OFDM symbols. Other methods for symbol detection, frequency offset correction, and equalization are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.