InterDigital Inc (IDCC)

[Gamco]

United States Patent 9,854,469
Wang , et al. December 26, 2017

Supporting a large number of devices in wireless communications


Abstract

A method for receiving a backoff value at a wireless station is presented. A traffic indication map is received at the station, wherein a backoff number is implicitly assigned to the station based on a position of the station within the traffic indication map. The backoff value is determined by multiplying the backoff number by a predetermined time value.



Inventors:
Wang; Xiaofei (Cedar Grove, NJ), Wang; Lei (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:
1000003031378

Appl. No.:
13/785,842

Filed:
March 5, 2013


Prior Publication Data






Document Identifier

Publication Date

US 20130235720 A1 Sep 12, 2013



Related U.S. Patent Documents









Application Number

Filing Date

Patent Number

Issue Date

61607354 Mar 6, 2012
61669274 Jul 9, 2012
61696607 Sep 4, 2012




Current U.S. Class: 1/1
Current CPC Class: H04W 28/0278 (20130101); H04W 52/0216 (20130101); H04W 52/0219 (20130101); Y02B 60/50 (20130101); H04W 72/1289 (20130101)
Current International Class: H04W 28/02 (20090101); H04W 52/02 (20090101); H04W 72/12 (20090101)
Field of Search: ;370/229,252,328,312 ;340/1.1,7.1,7.2,7.32,7.33,7.34,7.35,7.36,7.37,7.38

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