United States Patent 9,042,324
Zhang , et al. May 26, 2015
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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: detecting a first probe request having a scanning target originating from a first transmitter; desiring to send a probe request to the scanning target from a second transmitter; and canceling the second probe request on a condition that the second transmitter detects the first probe request.
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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: 1000001117055
Appl. No.: 13/789,316
Filed: March 7, 2013
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Prior Publication Data
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Document Identifier Publication Date
US 20130294354 A1 Nov 7, 2013
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
61642275 May 3, 2012
61668285 Jul 5, 2012
61696567 Sep 4, 2012
61749064 Jan 4, 2013
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Current U.S. Class: 370/329
Current CPC Class: H04W 72/04 (20130101); H04W 48/16 (20130101); H04W 84/12 (20130101)
Current International Class: H04W 72/04 (20090101)
Field of Search: ;370/329,328,338
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