Detection of active spreading codes and modulation schemes
US9794023B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 25, 2015 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Sep 25, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J11/0036
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A channelization code analyzer for determining active channelization codes includes a despreading unit configured to despread a received signal with a plurality of candidate channelization codes to generate a plurality of despreaded signals. The channelization code analyzer further includes a detector configured to detect from the plurality of despreaded signals a set of despreaded signals modulated with a predetermined first modulation scheme. A channelization code identification unit is configured to identify at least one active channelization code from the plurality of candidate channelization codes based on the detected set of despreaded signals. Further, a radio receiver apparatus, a second moment and fourth moment processing unit and a modulation scheme detector are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.