Phase rotation method for reducing PAPR
US8374074B2 · kind B2 · utility
12Cited by
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11Claims
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Key dates
| Filing date | Nov 8, 2010 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Jan 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2621
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of reducing a signal peak to average power ratio (PAPR) for a transmission channel in a wireless communication system is disclosed. The transmission channel is divided into a plurality of channel segments, and the method includes calculating PAPRs corresponding to the plurality of channel segments by a plurality of phase rotation vectors; selecting a plurality of specified phase rotation vectors from the plurality of phase rotation vectors according to the calculated PAPRs; and using one of the plurality of specified phase rotation vectors to rotate a phase of a signal to be transmitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.