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:
Feb. 16, 2016

Filed:

Jul. 23, 2014
Applicant:

Spreadtrum Communications (Shanghai) Co., Ltd., Shanghai, CN;

Inventors:

Xuqiang Shen, Shanghai, CN;

Xiaojian Dong, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04W 8/00 (2009.01); H04W 52/02 (2009.01); H04W 72/12 (2009.01);
U.S. Cl.
CPC ...
H04L 5/00 (2013.01); H04L 27/2676 (2013.01); H04L 27/2679 (2013.01); H04W 8/00 (2013.01); H04W 52/0229 (2013.01); H04W 72/1278 (2013.01); H04W 72/1289 (2013.01);
Abstract

A method and device for detecting DCI are provided. The method includes: obtaining intermediate data in DCI blind detection, the intermediate data including descrambled data, decoded data and detected RNTI values; determining data to be processed from the decoded data based on a matching result of the detected RNTI values and configured RNTI values; performing encoding, rate matching and modulation on the data to be processed to obtain modulated data; calculating confidence levels of the configured RNTI values based on the modulated data and the descrambled data; and when a maximum confidence level of the configured RNTI value is greater than a predetermined threshold of confidence level, determining that the data to be processed contains detected DCI. The probability of DCI misdetection may be reduced, and further the accuracy of uplink and downlink data on a mobile terminal and system stability may be ensured.


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