Intel Corporation

Intel IP Corporation

Apple Inc.

Intel Corporation and Intel IP Corporation

Intel Corporation Et Al.

Intel IP Corportion

Cariou, Laurent

Po-Kai Huang

Robert J Stacey

Laurent Cariou

Qinghua Li

Daniel F Bravo

Emily H Qi

Minyoung Park

Xiaogang Chen

Thomas J Kenney

Chittabrata Ghosh

Feng Jiang

Arik Klein

Shahrnaz Azizi

Noam Ginsburg

Carlos Cordeiro

Elad Oren

Danny Ben-Ari

Ido Ouzieli

Dibakar Das

Danny Alexander

Yaron Alpert

RongZhen Yang

Cheng Chen

Vinod Kristem

Alexander W Min

Jonathan Segev

Ehud Reshef

Ziv Avital

Robert D Hughes

David J McCall

Ofer Schreiber

Daniel Leiderman

Yuan Zhu

Dave A Cavalcanti

Johannes Berg

Amir Hitron

Huaning Niu

Hujun Yin

Avner Epstein

Juan Fang

Adrian Paul Stephens

Necati Canpolat

Ofer Hareuveni

Dmitry Akhmetov

Yushu Zhang

Jing Zhu

Jeongho Jeon

Michael Glik

Assaf Gurevitz

Javier Perez-Ramirez

Jeffrey R Foerster

Roya Doostnejad

Nir Yizhak Balaban

Avi Mansour

Peng Meng

Ilan Peer

Eldad Perahia

Xintian Eddie Lin

Shilpa Talwar

Ping Wang

Bahareh Sadeghi

Farid Adrangi

Guoqing C Li

Elad Levy

Ravikumar Balakrishnan

Gadi Shor

Timothy F Cox

Shahar Gross

Chen Kojokaro

Ehsan Aryafar

Hassan Yaghoobi

Yongsen Ma

Elad Oelad Oren

Michal Glik

The application relates to a 4-way handshake optimization. An initiating entity includes processor circuitry configured to: transmit a first open authentication frame to a responding entity via a wireless interface, wherein the first open authentication frame comprises information that helps the responding entity to identify a Pairwise Master Key (PMK) and a first random number; receive a second open authentication frame from the responding entity, wherein the second open authentication frame comprises a second random number; transmit an association request frame to the responding entity via the wireless interface, wherein the association request frame is encrypted with at least part of a Pairwise Transient Key (PTK) derived by the initiating entity from the PMK; and receive an association response frame from the responding entity, wherein the association response frame is encrypted with at least part of the PTK derived by the responding entity from the PMK.

4-way handshake optimization

This disclosure describes methods, apparatus, and systems related to non-contiguous channel bonding. A device may determine a wireless communication channel having one or more subchannels in accordance with one or more communication standards. The device may determine instructions to perform one or more clear channel assessments (CCAs) on at least one of the one or more subchannels. The device may cause to send the instructions to one or more first devices. The device may identify a frame received from at least one of the one or more first devices, wherein the frame is received on at least one available subchannel of the one or more subchannels.

Non-contiguous channel bonding

This disclosure describes systems, methods, and devices related to allocating non-continuous resource units (RUs). A device may determine a non-continuous RU allocation for one or more devices in a 80 MHz bandwidth including four 20 MHz channels, the non-continuous RU allocation including disabled tones of a 20 MHz channel of the four 20 MHz channels, and the disabled tones being a subset of tones within the 20 MHz channel. The device may determine a high efficiency wireless frame comprising an indication of the non-continuous RU allocation. The device may send the high efficiency wireless frame to one or more multiple devices.

Enhanced resource allocation for wireless communications

The disclosure provides a method for resisting downgrade attack for private limited connection, comprising: performing a 4-way handshake between an initiating entity and a responding entity to establish a PMKSA; receiving, by the initiating entity, a frame from the responding entity during the 4-way handshake, wherein the frame comprises an indication of usage of private limited connection for all responding entities in a network identified by a SSID of the responding entity; and establishing, by the initiating entity, a private limited connection in the network identified by the SSID of the responding entity.

Method and apparatus for resisting downgrade attack for private limited connection

This disclosure describes systems, methods, and devices related to group addressed data delivery. A device may determine a plurality of links between one or more access points (APs) in an AP multi-link device (MLD) and one or more logical non-AP stations (STAs) in a non-AP MLD. The device may determine one or more group addressed frames to be sent from the one or more APs of the AP MLD to the one or more non-AP STAs of the non-AP MLD. The device may generate a delivery traffic indication map (DTIM) associated with each link to be used by the one or more non-AP STAs of the non-AP MLD to receive group addressed frames. The device may perform an action based on whether the non-AP MLD sent an indication that a first link of the plurality of links is selected by the non-AP MLD for receiving a first group addressed frame from the one or more group addressed frames.

Group addressed data delivery

The disclosure provides techniques for a configuration of frequency domain aggregated (FA) physical layer protocol data unit (PPDU) for trigger based (TB) PPDUs. An apparatus for an access point (AP) includes a radio frequency (RF) interface; and processing circuitry coupled with the RF interface. The processing circuitry is configured to: encode a trigger frame to be transmitted via the RF interface to stations (STAs) communicatively connected with the AP, wherein the trigger frame includes signaling to indicate a configuration of frequency domain aggregated (FA) physical layer protocol data unit (PPDU) for at least two STAs; and decode an FA PPDU aggregated by composite trigger based (TB) PPDUs from the at least two STAs.

Configuration of FA PPDU for TB PPDU

This disclosure describes systems, methods, and devices related to multi-link operation. A device may configure a single N×N transmit (TX)/receive (RX) radio to a plurality of 1×1 TX/RX radios, where N is a positive integer. The device may monitor a first channel of a plurality of channels to determine its availability. The device may monitor a second channel of the plurality of channels to determine its availability. The device may identify a first control frame received from an access point (AP) multi-link device (MLD) on the second channel. The device may cause to send a second control frame to the AP MLD on the second channel. The device may configure back to a single N×N TX/RX radio to receive a data frame.

Multi-link operation for a single radio multi-link device

Methods, apparatuses, and computer readable media for communicating elements between multi-link devices are disclosed. Apparatuses of a multi-link device (MLD) are disclosed, where the apparatuses comprise processing circuitry configured to encode a management frame, the management frame comprising a link information field, the link information field indicating a first link of the MLD for which management information is applicable and configure a non-access point (AP) of the MLD or a station (STA) of the MUD to transmit the management frame on a second link of the MLD. The processing circuitry is further configured to decode a second management frame, the second management frame comprising a second link information field, the second link information field indicating a second link of the MLD for which second management information is applicable.

Cross link management frame signaling

This disclosure describes systems, methods, and devices related to traffic indications for multi-link devices (MLDs). A device may generate a first traffic indication map (TIM) with a first bitmap including a first indication that traffic is to be sent by a first access point (AP) device of the MLD to a first non-AP device of a second MLD using a first communication link. The device may generate a second TIM with a second bitmap including a second indication that no traffic is to be sent by a second AP device of the MLD to a second non-AP device of the second MLD using a second communication link. The device may send, using the first communication link, the beacon, the beacon including the first TIM and the second TIM. The device may send, using the first communication link, a data frame to the first non-AP device of the second MLD.

Enhanced traffic indications for multi-link wireless communication devices

This disclosure describes systems, methods, and devices related to an extreme high throughput (EHT) signaling structure. A device may establish a communication channel with one or more station devices (STAs). The device may generate an extreme high throughput signal field (EHT-SIG) of a header, wherein the EHT-SIG field comprises information associated with resource allocations (RUs). The device may generate a frame comprising the header. The device may assign a first RU to a first station device. The device may assign a second RU to the first station device, wherein the first RU or the second RU is an aggregation of a 26-tome RU and a neighboring RU. The device may cause to send the frame to the first station device.

Multi-link re-setup and link change

This disclosure describes systems, methods, and devices related to low power wake-up radio beacon signaling. An access point may determine timing information for the transmission of low power wake up radio beacons and send that timing information to a user device. An access point may then send low power wake up radio beacons based on that timing information to a user device, and a user device may receive the low power wake up radio beacons based on the timing information.

Low power wake-up radio beacon signaling

This disclosure describes systems, methods, and devices related to multi-link power save indication. A device may establish two or more links with a non-access point (AP) multi-link device (MLD). The device may connect a first AP of the AP MLD to a first station device (STA) of the non-AP MLD using a first link. The device may connect a second AP of the AP MLD to a second STA of the non-AP MLD using a second link. The device may use a link bitmap field included in a frame, wherein the link bitmap field comprises a first bit associated with the first STA and a second bit associated with the second STA. The device may communicate with the non-AP MLD based on the link bitmap.

Method of multi-link power save indication

This disclosure describes systems, methods, and devices related to security for multi-link operation. A device may determine a multi-link communication with a first multi-link device comprising two or more links associated with two or more station devices (STAs) included in the first multi-link device. The device may determine a first medium access control (MAC) address associated with a first link of the two or more links. The device may determine a second MAC address associated with a second link of the two or more links. The device may generate one or more pairwise security keys to be used in the multi-link communication on the two or more links. The device may cause to send a frame to the first multi-link device using at least one combination of the one or more pairwise security keys.

Security for multi-link operation

This disclosure describes systems, methods, and devices related to security for multi-link operations. A multi-link device (MLD) may establish a first communication link between a first device of the MLD and a first device of a second MLD, and a second communication link between a second device of the MLD and a second device of the second MLD. The MLD may generate a group-addressed message. The MLD may protect the group-addressed message using a first key or a first integrity key. The MLD may protect the group-addressed message using a second key or a second integrity key. The MLD may send, using the first communication link, the group-addressed message protected using the first key or the first integrity key, and may send, using the second communication link, the group-addressed message protected using the second key or the second integrity key.

Enhanced security for multi-link wireless operations

An extremely high throughput (EHT) station (STA) configured for trigger based (TB) transmission may decode an trigger frame (TF) received from an access point (AP). The TF may include an assignment of resources comprising one or more 20 MHz channels. The EHT STA may determine which of the one or more assigned channels are available for transmission and which of the allocated channels are unavailable when the EHT STA is assigned more than one 20 MHz channel. The EHT STA may encode a EHT TB PPDU in response to the trigger frame. The EHT TB PPDU may be encoded to include an EHT preamble followed by a data field. The EHT preamble may be encoded to indicate channel availability. The EHT STA may generate signalling to cause the EHT STA to transmit the encoded EHT TB PPDU only on the assigned channels that have been determined to be available.

Trigger-based PPDU resource indication for EHT networks

Growing community of inventors

San Jose, CA, United States of America

Po-Kai Huang