United States Patent 10,123,266
Wang , et al. November 6, 2018
Method and apparatus for power savings in a wireless local area network
Abstract
A method and apparatus for power savings in a wireless local area network (WLAN) are disclosed. A station (STA) may receive parameters that associate the STA to a specific group of STAs and perform a channel access during a period that is allowed for the group of STAs based on the parameters. The STA may receive information regarding an access slot that is allowed for the group of STAs and access a channel during the access slot. The STA may receive a schedule for wake up from a doze state and goes in and out of the doze state based on the schedule. A highest channel access priority may be provided to a sensor or meter type of STA. The STA may indicate to an access point (AP) that the STA will not listen to a traffic indication map (TIM) or a delivery TIM (DTIM) in a beacon.
Inventors:
Wang; Xiaofei (Cedar Grove, NJ), Ghosh; Monisha (Chappaqua, NY), Wang; Lei (San Diego, CA), Shah; Nirav B. (San Diego, CA), Zhang; Guodong (Syosset, NY), Grandhi; Sudheer A. (Pleasanton, CA)
Applicant:
Name
City
State
Country
Type
INTERDIGITAL PATENT HOLDINGS, INC.
Wilmington
DE
US
Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)
Family ID:
1000003634900
Appl. No.:
13/785,445
Filed:
March 5, 2013
Prior Publication Data
Document Identifier
Publication Date
US 20130235773 A1 Sep 12, 2013
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
61607481 Mar 6, 2012
61642231 May 3, 2012
61645957 May 11, 2012
61669492 Jul 9, 2012
61696568 Sep 4, 2012
Current U.S. Class: 1/1
Current CPC Class: H04W 52/0203 (20130101); H04W 52/0206 (20130101); Y02D 70/23 (20180101); H04W 52/0219 (20130101); Y02D 70/00 (20180101); Y02D 70/1224 (20180101); Y02D 70/1226 (20180101); Y02D 70/1242 (20180101); Y02D 70/1244 (20180101); Y02D 70/1246 (20180101); Y02D 70/1262 (20180101); Y02D 70/1264 (20180101); Y02D 70/142 (20180101); Y02D 70/144 (20180101); Y02D 70/146 (20180101); Y02D 70/164 (20180101)
Current International Class: H04W 52/02 (20090101
PPP
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