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:
May. 26, 2020

Filed:

Dec. 21, 2018
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Sami M. Almalfouh, San Jose, CA (US);

Li Su, San Jose, CA (US);

Sai Sravan Bharadwaj Karri, Santa Clara, CA (US);

Chiranjeevi M. Kosuri, Morgan Hill, CA (US);

Karthik Chockalingam, Santa Clara, CA (US);

Swaminathan Balakrishnan, Santa Clara, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/08 (2009.01); H04W 76/10 (2018.01); H04B 17/336 (2015.01); H04W 56/00 (2009.01);
U.S. Cl.
CPC ...
H04W 24/08 (2013.01); H04B 17/336 (2015.01); H04W 56/0035 (2013.01); H04W 76/10 (2018.02);
Abstract

This disclosure relates to radio link monitoring techniques. According to some embodiments, a wireless device may establish a radio link with a cellular base station according to a radio access technology. The base station may provide reference signals, control signals, and data signals to the wireless device via the radio link. The wireless device may perform radio link monitoring of the radio link using characteristics of decoding performance for one or more of the control signals and the data signals. Performing radio link monitoring of the radio link may include determining whether the radio link is in-sync or out-of-sync and determining whether radio link failure has occurred.


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