Transmitter, transmission method, receiver, and reception method
US8548079B2 · kind B2 · utility
8Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2011 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Aug 6, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/3411
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Multi-level modulation is performed with a signal point constellation in which any three adjacent signal points on a phase plane form an equilateral triangle and at least a distance between a signal point closest to the origin of the phase plane and the origin is increased within a range that the transmission mean power remains unchanged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.