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. 03, 2022

Filed:

Mar. 02, 2020
Applicant:

Pantech Corporation, Seoul, KR;

Inventors:

Gi Seon Ryu, Seoul, KR;

Beom Joon Kim, Seoul, KR;

Assignee:

PANTECH CORPORATION, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/02 (2009.01); H04W 68/00 (2009.01); H04W 68/02 (2009.01); H04W 4/02 (2018.01);
U.S. Cl.
CPC ...
H04W 52/0206 (2013.01); H04W 4/02 (2013.01); H04W 52/0209 (2013.01); H04W 68/00 (2013.01); H04W 68/02 (2013.01); Y02D 30/70 (2020.08);
Abstract

A method of verifying availability of a mobile subscriber station that is in an idle-mode includes requesting to a base station by the mobile subscriber station to enter an idle-mode, wherein the base station is associated with a paging group comprising a plurality of base stations, and receiving from the base station an idle-mode response command to enter the idle-mode. The method also includes receiving from the base station a paging command comprising an action code associated with performing ranging while the mobile subscriber station is in the idle-mode to verify availability of the mobile subscriber station with respect to the base station, wherein if the ranging is not successfully performed with the base station during a predetermined period, the base station continues to transmit the paging command until a paging retrial count reaches a predetermined threshold.


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