Invention Grant
- Patent Title: Signal acquisition method and signal acquisition arrangement for spread spectrum signals
- Patent Title (中): 用于扩频信号的信号采集方法和信号采集装置
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Application No.: US13988781Application Date: 2011-11-22
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Publication No.: US08971385B2Publication Date: 2015-03-03
- Inventor: Martin Opitz
- Applicant: Martin Opitz
- Applicant Address: DE Hanover
- Assignee: Continental Automotive GmbH
- Current Assignee: Continental Automotive GmbH
- Current Assignee Address: DE Hanover
- Agency: King & Spalding L.L.P.
- Priority: DE102010044217 20101122
- International Application: PCT/EP2011/070679 WO 20111122
- International Announcement: WO2012/069471 WO 20120531
- Main IPC: H04B1/00
- IPC: H04B1/00 ; H04B1/709 ; H04B1/7075 ; H04B1/71

Abstract:
A method and arrangement are disclosed for acquiring a spread spectrum signal produced by means of transmitter-end spreading of a bit sequence using a spread code signal, which provide for the reception of the spread spectrum signal; provision of a receiver-end spread code signal which corresponds to the transmitter-end spread code signal; performance of polyphase correlations for respective different code phases which give rise to polyphase correlation results which are each associated with different code phases; filtration using at least two of the code phases; determination of an extreme value in the filtered polyphase correlation results, and determination of the code phase which is associated with the extreme value.
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