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.

Date of Patent:
May. 21, 2013

Filed:

Jul. 22, 2009
Applicants:

Yong-ping Zheng, Shanghai, CN;

Alex Cheng, Shanghai, CN;

Inventors:

Yong-Ping Zheng, Shanghai, CN;

Alex Cheng, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A data filtering method for removing invalid data in 3G data stream which is received. The data filtering method includes the following steps. At first, a step (a) of receiving a 3G data stream continually is performed. Then, a step (b) of determining whether the 3G data stream comprises a complete filtering unit is performed. If the 3G data stream comprises a complete filtering unit, a step (c) of determining whether the 3G data stream includes invalid data is performed. If the 3G data stream includes invalid data, a step (d) of marking the invalid data according to a predetermined protocol is performed. Finally, a step (e) of filtering out the marked invalid data is performed.


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