OFDMA preambles system and method
US8165010B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Apr 15, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/262
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A preamble code usable in Orthogonal Frequency Division Multiple Access (OFDMA) for the physical layer (PHY), selected for improved PAPR in a 1024, 512 or 128 FFT OFDMA mode. Tables 2 to 7 detail code sequences having improved PAPR performance. The disclosed codes may be used in cellular wireless.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.