OFDM modulation using a shaping filter
US8090037B1 · kind B1 · utility
19Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2008 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Jun 16, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03414
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Reducing peak-to-average power ratio (“PAPR”) for modulation and demodulation is described. Complex sample values are obtained in a time domain for orthogonal frequency division multiplexed (“OFDM”) signaling. The complex sample values are transformed into a frequency domain. The set of spectral samples is multiplied with a filter spectrum to shape the set of spectral samples to provide spectral products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.