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.

Patent No.:

US 9775181 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 26, 2017

Filed:

Jun. 25, 2015
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Sachin Ahuja, Hyderabad, IN;

Ganesh Kondabattini, Hyderabad, IN;

Ganesh Babu Kumaravel, Hyderabad, IN;

Mukul Sharma, Hyderabad, IN;

Vidyullatha Kanchanapally, Hyderabad, IN;

Santhosh Kumar Padma, Hyderabad, IN;

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/04 (2009.01); H04W 76/02 (2009.01); H04W 12/06 (2009.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04W 76/02 (2013.01); H04W 12/06 (2013.01); H04W 84/12 (2013.01);
Abstract

A method and apparatus for re-associating a station (STA) to an access point (AP). The STA sends a re-association request to the AP to initiate a re-association process with the AP. The re-association request indicates that a handshake operation is to be bypassed during the re-association process. The STA receives a re-association response from the AP in response to the re-association request and, upon receiving the re-association response, enables data communications with the AP using a set of preexisting cryptographic keys. For example, the set of preexisting cryptographic keys may be negotiated with the AP during at least one of a prior association process or a prior re-association process.


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