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. 10, 2024

Filed:

Apr. 20, 2022
Applicant:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Inventors:

Yun-Sun Baek, Gyeonggi-do, KR;

Nishant Gupta, Sitapur, IN;

Kill-Yeon Kim, Gyeonggi-do, KR;

Duk-Gu Sung, Seoul, KR;

Jae-Woong Lee, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/10 (2009.01); H04L 65/403 (2022.01); H04L 65/4061 (2022.01); H04W 4/08 (2009.01); H04W 76/45 (2018.01); H04W 76/50 (2018.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04W 4/10 (2013.01); H04L 65/4046 (2013.01); H04L 65/4061 (2013.01); H04W 4/08 (2013.01); H04W 76/45 (2018.02); H04W 76/50 (2018.02); H04W 84/18 (2013.01);
Abstract

Provided is a method performed by a terminal of performing communication, the method including generating a private call setup request message including a call identifier information element (IE), a caller IE, a callee IE, and a call type IE set to an emergency private call, based on receiving a user indication to upgrade a call to emergency call, wherein the terminal is in an in-progress private call state; setting a proximity-based services (ProSe) per-packet priority corresponding to the emergency private call; transmitting, to another terminal, the private call setup request message; starting a timer relating to private call request retransmission based on the emergency call setup request message; and entering an in-progress emergency private call state from the in-progress private call state.


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