Receiver for a position-finding system with improved sensitivity

US7233288B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Andreas Schmid · Duisburg, DE
• Andre Neubauer · Krefeld, DE

Key dates

• Filing date: Jul 1, 2005
• Grant date: Jun 19, 2007
• Expiry date: Sep 13, 2025

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S5/12
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A receiver (1) of a position-finding system comprises a calculation unit (6, 7, 8) for calculation of a statistical value (Λ) on the basis of a received signal, and a detector unit (9) for comparison of the statistical value (Λ) with a threshold value (κ) and for determining whether the received signal is a synchronized location signal, an estimation unit (10) for estimation of the Rice factor (K) of the radio link via which the received signal has been transmitted, and a determination unit for calculation of the threshold value (κ) on the basis of the Rice factor (K).