Apparatus to enable EHT multi-AP group formation in a multi-AP network

US11564109B2 · kind B2 · utility

Assignee

• Intel Corporation · US

Inventors

• Cheng Chen · Portland, US
• Po-Kai Huang · San Jose, US
• Laurent Cariou · Portland, US
• Carlos Cordeiro · Portland, US
• Feng Jiang · Santa Clara, US
• Xiaogang Chen · Beijing, CN
• Qinghua Li · Sunnyvale, US
• Arik Klein · Givat Shmuel, IL
• Daniel F. Bravo · Portland, US

Key dates

• Filing date: Jun 5, 2020
• Grant date: Jan 24, 2023
• Expiry date: Oct 16, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W88/12
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

An access point (AP) station (STA) (AP STA) may be configured to operate as a multi-AP controller in a multi-AP network. A multi-AP group formation message is encoded for transmission to other APs in the multi-AP network. The multi-AP group formation message is encoded to notify the APs of the formation of an extremely-high throughput (EHT) multi-AP group, to designate whether an AP is a member of an EHT multi-AP group, and whether an AP can take the role of a coordinator AP or coordinated AP within the EHT multi-AP group. For multi-AP joint processing, the AP STA is further configured to encode an AP trigger frame for transmission to the APs in the multi-AP network. The AP trigger frame is to trigger physical layer (PHY) and medium-access control layer (MAC) parameter synchronization. The AP trigger frame is to trigger transmission of aggregated MAC protocol data units (A-MPDUs) by the APs that include MAC parameters and PHY parameters.