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:
Jun. 21, 2016

Filed:

Nov. 21, 2013
Applicant:

China Academy of Telecommunications Technology, Beijing, CN;

Inventors:

Xiaojiao Li, Beijing, CN;

Ruifeng Li, Beijing, CN;

Wenshuo Zhang, Beijing, CN;

Rui Shi, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/02 (2006.01); H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04L 25/0228 (2013.01); H04L 25/022 (2013.01); H04L 25/0202 (2013.01); H04L 25/0232 (2013.01); H04L 25/0234 (2013.01); H04L 27/2695 (2013.01); H04L 25/0222 (2013.01);
Abstract

A channel estimation method including: a channel estimation device employs a two-dimensional channel estimation method and utilizes the channel estimate of an original pilot frequency to conduct channel estimation on an encrypted pilot frequency, so as to obtain the channel estimate of the encrypted pilot frequency; the channel estimation device employs a one-dimensional channel estimation method and utilizes the channel estimate of the encrypted pilot frequency to conduct channel estimation on all resources, so as to obtain the channel estimates on all resources.


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