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.

Date of Patent:
May. 15, 2018

Filed:

Nov. 20, 2015
Applicant:

Mediatek Inc., Hsinchu, TW;

Inventors:

Yuh-Ren Jauh, Taoyuan, TW;

Chao-Chun Wang, Taipei, TW;

Assignee:

MEDIATEK INC., HsinChu, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 5/00 (2006.01); H04W 72/04 (2009.01); H04W 52/24 (2009.01); H04W 74/08 (2009.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04L 5/006 (2013.01); H04W 52/242 (2013.01); H04W 72/04 (2013.01); H04W 74/0816 (2013.01); H04W 74/0808 (2013.01); H04W 84/12 (2013.01);
Abstract

A method of sub-channel independent network allocation vector (NAV) management by a wireless station (STA) in a wideband wireless communications system is proposed. In the wideband system having multiple sub-bands, each NAV for a corresponding sub-band is independently managed. The protection duration for each NAV is independent for each sub-band and the threshold or update rule for NAV modification is also independent for each sub-band. The threshold or update rule for NAV modification may also be different when the NAV is generated or propagated by an OBSS STA. Furthermore, early termination of NAV is allowed if the NAV is set by an OBSS STA only.


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