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:
Mar. 08, 2022

Filed:

Feb. 03, 2020
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Ahmed Zaki, Bengaluru, IN;

Ravinder Kumar, Meham, IN;

Vijayvaradharaj Tirucherai Muralidharan, Santa Clara, CA (US);

Murali Menon, Acton, MA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 8/24 (2009.01); H04L 1/00 (2006.01); H04L 1/18 (2006.01); H04B 17/336 (2015.01); H04B 7/01 (2006.01); H04L 5/00 (2006.01); H04W 24/08 (2009.01);
U.S. Cl.
CPC ...
H04W 72/042 (2013.01); H04B 7/01 (2013.01); H04B 17/336 (2015.01); H04L 1/0013 (2013.01); H04L 1/1819 (2013.01); H04L 5/0051 (2013.01); H04W 8/24 (2013.01); H04W 24/08 (2013.01); H04W 72/0446 (2013.01); H04W 72/0453 (2013.01);
Abstract

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may retune from a first narrowband carrier to a second narrowband carrier. The UE may determine to retune in one or more symbols of either a first narrowband subframe or a second narrowband subframe based on the number of symbols for the UE to retune and a number of other factors. The other factors may include the start symbol of a downlink channel scheduled in the second narrowband subframe, the number of antenna ports configured for the UE, hybrid automatic repeat request (HARQ) identifier (ID), coding rate or effective coding rate, among others. The UE may determine to retune in the first narrowband subframe, the second narrowband subframe, or in both subframes in order to utilize reference signals transmitted to the UE and reception of all downlink messages scheduled for the UE.


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