InterDigital Inc (IDCC)

[Gamco]

United States Patent 9,763,178
Zhang , et al. September 12, 2017

Enhanced active scanning in wireless local area networks


Abstract

A method for active scanning in a wireless network may include two transmitters. In such a method, the following steps may take place: initiating active scanning on at least one of a plurality of channels; waiting to transmit a first probe request on a first channel of the plurality of channels based on a delay timer; receiving at the first STA, while the delay timer is not expired, a probe request from a second STA; and skipping the first probe request on the first channel of the plurality of channels based on information contained in the received probe request from the second STA.



Inventors:
Zhang; Guodong (Syosset, NY), Wang; Lei (San Diego, CA), Wang; Xiaofei (Cedar Grove, NJ), Levy; Joseph S. (Merrick, NY), Olesen; Robert L. (Huntington, NY)

Applicant:


Name

City

State

Country

Type


InterDigital Patent Holdings, Inc.
Wilmington
DE
US


Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)


Family ID:
1000002829550

Appl. No.:
15/354,775

Filed:
November 17, 2016


Prior Publication Data






Document Identifier

Publication Date

US 20170070947 A1 Mar 9, 2017



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Filing Date

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Issue Date

14718580 May 21, 2015 9622153
13789316 Mar 7, 2013 9042324
61642275 May 3, 2012
61668285 Jul 5, 2012
61696567 Sep 4, 2012
61749064 Jan 4, 2013




Current U.S. Class: 1/1
Current CPC Class: H04W 48/16 (20130101); H04W 48/10 (20130101); H04W 48/14 (20130101); H04W 72/04 (20130101); H04W 84/12 (20130101); H04W 88/08 (20130101)
Current International Class: H04W 48/16 (20090101); H04W 72/04 (20090101); H04W 48/10 (20090101); H04W 48/14 (20090101); H04W 84/12 (20090101); H04W 88/08 (20090101)

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