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. 07, 2024

Filed:

Jul. 20, 2020
Applicant:

Spreadtrum Communications (Shanghai) Co., Ltd., Shanghai, CN;

Inventors:

Yuhren Jauh, Shanghai, CN;

Yanchao Xu, Shanghai, CN;

Chinghwa Yu, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 48/20 (2009.01); H04W 36/06 (2009.01); H04W 36/08 (2009.01); H04W 72/0446 (2023.01); H04L 9/40 (2022.01); H04L 45/028 (2022.01); H04W 88/08 (2009.01); H04W 92/20 (2009.01);
U.S. Cl.
CPC ...
H04W 72/0446 (2013.01); H04W 36/06 (2013.01); H04W 36/08 (2013.01); H04W 48/20 (2013.01); H04L 45/028 (2013.01); H04L 63/0457 (2013.01); H04W 88/08 (2013.01); H04W 92/20 (2013.01);
Abstract

A reverse trigger system of multiple access point (multi-AP) operation and an Access Point (AP) are provided. The reverse trigger system includes: a common station; an initializer AP configured to send a trigger announcement to the common station, wherein the common station sends a trigger frame in response to receiving the trigger announcement; and at least one first coordinated AP configured to send first data in response to receiving the trigger frame, wherein the initializer AP is configured to send second data in response to receiving the trigger frame. Embodiments of the present disclosure may enable joint and synchronous data transmission between APs which cannot communicate with each other directly.


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