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:
Jul. 27, 2021

Filed:

Mar. 31, 2017
Applicant:

China Academy of Telecommunications Technology, Beijing, CN;

Inventors:

Hui Li, Beijing, CN;

Qiubin Gao, Beijing, CN;

Runhua Chen, Beijing, CN;

Wenhong Chen, Beijing, CN;

Rakesh Tamrakar, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/00 (2006.01); H04W 72/04 (2009.01); H04W 16/02 (2009.01); H04J 13/00 (2011.01);
U.S. Cl.
CPC ...
H04L 5/0048 (2013.01); H04J 13/0003 (2013.01); H04L 5/005 (2013.01); H04L 5/0016 (2013.01); H04L 5/0026 (2013.01); H04W 16/02 (2013.01); H04W 72/042 (2013.01); H04W 72/044 (2013.01); H04W 72/0493 (2013.01); H04J 13/004 (2013.01);
Abstract

The present disclosure provides a pilot mapping method, a pilot signal transmission method and apparatus, a base station and a terminal. In each PRB of one PRB group, the positions at which a pilot of each antenna port is mapped to resource elements (RE) in the PRB is determined according to an antenna port index and an index of the PRB in the PRB group or the whole system bandwidth, so that support is provided for implementation of power borrowing, so as to make full use of transmit power of a base station end, improve the coverage range of the pilot signal and channel estimation quality of a reception end.


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