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:
Feb. 06, 2024

Filed:

Jan. 03, 2022
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Ioannis Pefkianakis, San Jose, CA (US);

Madhusudan Chaudhary, Campbell, CA (US);

Muthukumaran Dhanapal, Dublin, CA (US);

Lakshmi N. Kavuri, Cupertino, CA (US);

Thanigaivelu Elangovan, Santa Clara, CA (US);

Ajay Singh, Cupertino, CA (US);

Deepankar Bhattacharjee, Milpitas, CA (US);

Gaurav Pathak, Hyderabad, IN;

Carola Faronius, Stockholm, SE;

Franco Travostino, San Jose, CA (US);

Raghuveer Mallikarjunan, Cupertino, CA (US);

Harshit Chuttani, Campbell, CA (US);

Sreevalsan Vallath, Dublin, CA (US);

Rajesh Ambati, Los Altos Hills, CA (US);

Jia Tang, San Jose, CA (US);

Ishwinder Singh, Cupertino, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 28/02 (2009.01); H04W 36/22 (2009.01); H04W 36/14 (2009.01); H04W 24/08 (2009.01);
U.S. Cl.
CPC ...
H04W 28/0284 (2013.01); H04W 24/08 (2013.01); H04W 36/14 (2013.01); H04W 36/22 (2013.01);
Abstract

A user equipment (UE) passively determines the presence of a cellular network bottleneck in a downlink channel and may take appropriate actions to mitigate the bottleneck. The UE may analyze the transport block size (TBS) of slots of received downlink traffic and assign states the to various slots based on this analysis. Based on these assigned states, the UE may identify a burst of network traffic from network traffic received from the cellular network, and the UE may also determine the burst duration as well as a busy estimation. The UE may determine that the cellular network is experiencing a bottleneck based at least in part on the burst duration and the busy estimation.


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