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Multi-user RTS frame and multi-user CTS frame for sub-channel selective transmission site

A multi-user, selective technology, applied in transmission systems, digital transmission systems, wireless communications, etc., can solve problems such as adverse and affecting WLAN communication performance

Pending Publication Date: 2022-03-11
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These constraints can adversely affect communication performance in WLANs

Method used

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  • Multi-user RTS frame and multi-user CTS frame for sub-channel selective transmission site
  • Multi-user RTS frame and multi-user CTS frame for sub-channel selective transmission site
  • Multi-user RTS frame and multi-user CTS frame for sub-channel selective transmission site

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0060] Some implementations include electronic devices (eg, access points) that provide MU-RTS frames. During operation, the electronic device may provide a MU-RTS frame that conveys an RTS on a channel associated with a second electronic device and a second RTS on a second channel associated with a third electronic device. RTS. For example, the channel may include a primary channel, the second channel may include a secondary channel, and / or the second channel may include a packet detection channel associated with a third electronic device. It should be noted that the third electronic device may include an SST site, and the second electronic device may include a non-SST site. The electronic device may then receive the MU-CTS frame including the CTS in a third channel associated with the third electronic device. Additionally, the third channel may be identical to or a subset of the second channel, and / or the third channel may include a CTS receive channel associated with the ...

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Abstract

The invention relates to a multi-user RTS frame and a multi-user CTS frame for a sub-channel selective transmission site. During operation, an electronic device (e.g., an access point) may provide a multi-user (MU) request to send (RTS) frame that transmits an RTS to a second electronic device in a channel associated with the second electronic device and a second RTS in a second channel associated with a third electronic device. For example, the channel may include a primary channel, and the second channel may include a secondary channel. Note that the third electronic device may include an SST site, and the second electronic device may include a non-SST site. The electronic device may then receive the MU-CTS frame including a clear to send (CTS) in a third channel associated with a third electronic device. Further, the third channel may be equivalent to or a subset of the second channels, and / or the third channel may include a CTS receive channel associated with the electronic device.

Description

technical field [0001] The described embodiments generally relate to wireless communications between electronic devices, including for transmitting multi-user (MU) request-to-send (RTS) frames and multi-user permission to send (RTS) frames in a wireless local area network (WLAN). The clear-to-send (CTS)) frame is a technique used by Subchannel Selective Transmission (SST) stations. Background technique [0002] Many electronic devices communicate with each other using wireless local area networks (WLANs), such as those based on communication protocols conforming to Institute of Electrical and Electronics Engineers (IEEE) standards, such as the IEEE 802.11 standard (sometimes referred to as "Wi-Fi"). [0003] In IEEE 802.11ax, stations (which are sometimes referred to as "clients" or "receiving electronics") and access points (which are sometimes referred to as "electronics" or "transmitting electronics") can set separate trigger enables Target wake-up time (TWT) agreement t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/00H04W74/08H04L1/00
CPCH04W74/002H04W74/0833H04L1/0083H04W74/0816H04W84/12
Inventor J·L·内克特刘勇江津菁伍天宇王琦S·K·勇
Owner APPLE INC