Invention Grant
- Patent Title: Correlator sum method for spread spectrum signal receivers
- Patent Title (中): 扩频信号接收机的相关器和方法
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Application No.: US11428800Application Date: 2006-07-05
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Publication No.: US08391339B2Publication Date: 2013-03-05
- Inventor: Chi-Shin Wang , Jian Cheng , Zhike Jia , Shridhara A. Kudrethaya
- Applicant: Chi-Shin Wang , Jian Cheng , Zhike Jia , Shridhara A. Kudrethaya
- Applicant Address: US CA Sunnyvale
- Assignee: CSR Technology Holdings Inc.
- Current Assignee: CSR Technology Holdings Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Main IPC: H04B1/00
- IPC: H04B1/00

Abstract:
The present invention provides systems and methods for faster acquisition and more stable tracking of spread spectrum signals with lower computational load requirements. Instead of the present day practice of using only the Prompt correlator, the systems and methods of the invention use the sum of the powers of all the correlators of a channel to determine the acquisition or tracking of the signal. These systems and methods improve the signal acquisition speed resulting in a reduced Time-To-First-Fix (TTFF). Further, these systems and methods improve the acquisition and tracking sensitivity of the receiver.
Public/Granted literature
- US20090168851A1 A CORRELATOR SUM METHOD FOR SPREAD SPECTRUM SIGNAL RECEIVERS Public/Granted day:2009-07-02
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