Determination of the correlation phase between a signal and a replica sequence
US7286594B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 23, 2003 |
| Grant date | Oct 23, 2007 |
| Priority date | — |
| Expiry date | Feb 1, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2201/70707
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method for determining the correlation phase between a signal received at a receiver and a replica sequence. A matched filter multiplies samples (21) of the received signal with samples (22) of the replica and sums the resulting products to obtain a correlation value for a specific correlation phase. The samples of the received signal and the replica are shifted relative to each other for each correlation phase that is to be checked. In order to reduce the computational load, it is proposed that results obtained in the correlation calculations for one correlation phase are used by the matched filter also for calculations for a subsequent correlation phase. The invention relates equally to a corresponding receiver, to an electronic device comprising such a receiver, to a device cooperating with such a receiver and to a corresponding system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.