Dynamic SNR adjustment in a receiver supporting 256QAM
US9307549B2 · kind B2 · utility
4Cited by
0References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | May 8, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/0002
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
To support very high QAM rates, a user equipment (UE) needs extremely good signal-to-noise ratio (SNR). Using a receiver configuration that improves SNR comes at the expense of higher power consumption. However, consuming higher power to support very high QAM rates when poor channel conditions are present is a waste of power. By correlating the modulation and coding scheme used by the UE with the UE channel quality estimate, the UE can modify the receiver configuration to improve SNR only when channel conditions support very high QAM rates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.