Minimizing inter-symbol interference in OFDM signals
US9954713B2 · kind B2 · utility
1Cited by
3References
20Claims
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Key dates
| Filing date | Aug 14, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Aug 14, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2695
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and OFDM receivers for decoding an OFDM signal include estimating a channel impulse response from a pilot-dense symbol of the OFDM signal for each of a plurality of potential FFT window positions; determining a noise floor of each of the channel impulse responses; selecting the potential window position corresponding to the channel impulse response with the lowest noise floor as an optimum FFT window position; and decoding symbols of the OFDM signal using the optimum FFT window position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.