The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2013
Filed:
Jul. 05, 2006
Chi-shin Wang, Half Moon Bay, CA (US);
Jian Cheng, Guangzhou, CN;
Zhike Jia, San Jose, CA (US);
Shridhara A. Kudrethaya, Cupertino, CA (US);
Chi-Shin Wang, Half Moon Bay, CA (US);
Jian Cheng, Guangzhou, CN;
Zhike Jia, San Jose, CA (US);
Shridhara A. Kudrethaya, Cupertino, CA (US);
CSR Technology Holdings Inc., Sunnyvale, CA (US);
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.