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:
Dec. 03, 2019

Filed:

Sep. 18, 2017
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Arvind Sridharan, Bangalore, IN;

Kapil Bhattad, Bangalore, IN;

Manikandan Chandrasekar, Bangalore, IN;

Gowrisankar Somichetty, Bangalore, IN;

Alberto Rico Alvarino, San Diego, CA (US);

Xiao feng Wang, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/00 (2006.01); H04B 7/26 (2006.01); H04J 3/06 (2006.01); H04L 5/14 (2006.01); H04L 5/02 (2006.01); H04L 5/24 (2006.01); H04W 72/04 (2009.01); H04L 5/00 (2006.01); H04W 4/70 (2018.01); H04L 1/04 (2006.01); H04W 56/00 (2009.01);
U.S. Cl.
CPC ...
H04B 7/2606 (2013.01); H04B 7/2656 (2013.01); H04B 7/2668 (2013.01); H04J 3/0682 (2013.01); H04L 5/005 (2013.01); H04L 5/006 (2013.01); H04L 5/0007 (2013.01); H04L 5/0053 (2013.01); H04L 5/0091 (2013.01); H04L 5/0094 (2013.01); H04L 5/023 (2013.01); H04L 5/14 (2013.01); H04L 5/143 (2013.01); H04L 5/1469 (2013.01); H04L 5/24 (2013.01); H04W 4/70 (2018.02); H04W 72/0446 (2013.01); H04W 72/0453 (2013.01); H04L 1/04 (2013.01); H04L 5/001 (2013.01); H04L 5/0023 (2013.01); H04W 56/0005 (2013.01); H04W 56/008 (2013.01);
Abstract

There is a need to support narrowband TDD frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband TDD frame structure(s) for narrowband communications. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine a narrowband TDD frame structure for narrowband communications from a group of narrowband TDD frame structures. In one aspect, the narrowband TDD frame structure may include a set of downlink subframes and more than one special subframe. The apparatus may determine a set of narrowband carriers and a minimum set of subframes on the set of narrowband carriers based at least in part on the set of downlink subframes and more than one special subframe on which a NRS should be transmitted. The apparatus may transmit the NRS using the narrowband TDD frame structure determined for the narrowband communications.


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