Two-way relay transmission method and apparatus applied to multi-input multi-output communication systems
US9065495B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | May 23, 2014 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | May 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/46
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A two-way relay transmission apparatus applied to multi-input multi-output communication systems that combines signals received from the terminals and performs a modulo operation to the combined signal to concentrate the signal points towards the center of the constellation. And then, the modulo version of the combined signal is broadcasted. As a result, the peak and average relay transmission powers can be reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.