公开(公告)号：US11855914B2

公开(公告)日：2023-12-26

申请号：US16698573

申请日：2019-11-27

Applicant: Cisco Technology, Inc.

Inventor： Santosh B. Kulkarni ,  Vishal S. Desai ,  Pooya Monajemi ,  Young Il Choi ,  Matthew A. Silverman

IPC: H04L49/9005 ,  G06F12/084 ,  G06F12/0864 ,  H04L43/067 ,  H04L49/9047 ,  H04L9/40

CPC classification number: H04L49/9005 ,  G06F12/084 ,  G06F12/0864 ,  H04L43/067 ,  H04L49/9047 ,  H04L63/20

Abstract: Embodiments herein describe a group of APs that uses a shared radar cache to select a new channel after vacating a current channel when performing dynamic frequency selection (DFS). The group of APs can set aside memory to store status information about the DFS channels in the frequency band. For example, when one AP detects a radar event (and has to vacate a DFS channel), the AP updates an entry for that channel in the shared radar cache. The APs can also query the cache to determine a new channel after vacating its current channel. That is, the shared radar cache may store the most recent radar events occurring in a channel. In this manner, the APs can select a new channel that has little or no recent radar events, which reduces the likelihood the AP will have to vacate the new channel.

公开(公告)号：US11445423B2

公开(公告)日：2022-09-13

申请号：US16888314

申请日：2020-05-29

Applicant: Cisco Technology, Inc.

Inventor： Vishal S. Desai ,  Benjamin J. Cizdziel ,  Santosh B. Kulkarni ,  Young Il Choi

IPC: H04W4/00 ,  H04W36/30 ,  H04W36/00

Abstract: Network environment health monitoring is provided by receiving an alert indicating that a first station (STA) is experiencing a connection with a first Access Point (AP) below a quality threshold; identifying a set of APs connected to a shared network with the first AP within one hop of the first AP; aggregating signal metrics for the first STA from the first AP and each AP of the set of APs; identifying a cause for the connection performing below the quality threshold based on the signal metrics as aggregated; and performing a remediation strategy based on the cause as identified.

公开(公告)号：US12200475B2

公开(公告)日：2025-01-14

申请号：US18481034

申请日：2023-10-04

Applicant: Cisco Technology, Inc.

Inventor： Vishal S. Desai ,  Benjamin J. Cizdziel ,  Santosh B. Kulkarni ,  Young Il Choi

IPC: H04W4/00 ,  H04W36/00 ,  H04W36/30

Abstract: Network environment health monitoring is provided by receiving an alert indicating that a first station (STA) is experiencing a connection with a first Access Point (AP) below a quality threshold; identifying a set of APs connected to a shared network with the first AP within one hop of the first AP; aggregating signal metrics for the first STA from the first AP and each AP of the set of APs; identifying a cause for the connection performing below the quality threshold based on the signal metrics as aggregated; and performing a remediation strategy based on the cause as identified.

公开(公告)号：US11528634B2

公开(公告)日：2022-12-13

申请号：US17304618

申请日：2021-06-23

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Vishal S. Desai ,  Santosh B. Kulkarni

IPC: H04W28/02 ,  H04L47/11 ,  H04W52/02

Abstract: Networked sleep mode management is provided by measuring network conditions for a first Access Point (AP) serving a plurality of Client Devices (CDs) configured to operate in one of a sleep mode and an active mode; in response to detecting, based on the measured network conditions, an amount of network usage devoted to transitioning members of the plurality of CDs from the sleep mode to the active mode satisfies a threshold: identifying a first subset of CDs from the plurality of CDs that are deprioritized for access to the sleep mode; receiving a sleep request from a given CD that is a member of the first subset of CDs; and denying the sleep request to force the given CD to maintain the active mode for at least a predefined amount of time.

公开(公告)号：US11218890B2

公开(公告)日：2022-01-04

申请号：US16888405

申请日：2020-05-29

Applicant: Cisco Technology, Inc.

Inventor： Benjamin J. Cizdziel ,  Pooya Monajemi ,  Vishal S. Desai ,  Santosh B. Kulkarni

IPC: H04W24/02 ,  H04W84/12 ,  H04W40/24 ,  H04W12/122

Abstract: Aspects described herein include an exclusionary approach for basic service set (BSS) color selection and assignment in a network. A network controller for a network selects a radio associated with an access point (AP) under management of the network controller and determines a potential set of BSS colors for the radio. The network controller then removes/excludes a set of BSS colors that impacts the radio from the potential set of BSS colors and updates or assigns a BSS color for the selected radio using the potential set of BSS colors, minimizing the chances that the assigned BSS color will cause an overlapping BSS color condition in the network.

公开(公告)号：US11089501B1

公开(公告)日：2021-08-10

申请号：US16750994

申请日：2020-01-23

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Vishal S. Desai ,  Santosh B. Kulkarni

IPC: H04W28/02 ,  H04W52/02 ,  H04L12/801

Abstract: Networked sleep mode management is provided by measuring network conditions for a first Access Point serving a plurality of client devices configured to operate in one of a sleep mode and an active mode; in response to detecting an amount of network usage devoted to transitioning members of the plurality of client devices from the sleep mode to the active mode satisfies a threshold: identifying a first subset of client devices from the plurality of client devices that are in the sleep mode; identifying a given client device from the first subset of client devices to transition to the active mode; and transmitting a tear-down message to the given client device that instructs the given client device to transition from the sleep mode to the active mode.

公开(公告)号：US12058536B2

公开(公告)日：2024-08-06

申请号：US17456326

申请日：2021-11-23

Applicant: Cisco Technology, Inc.

Inventor： Benjamin J. Cizdziel ,  Pooya Monajemi ,  Vishal S. Desai ,  Santosh B. Kulkarni

IPC: H04W24/02 ,  H04W12/122 ,  H04W40/24 ,  H04W84/12

CPC classification number: H04W24/02 ,  H04W12/122 ,  H04W40/244 ,  H04W84/12

Abstract: Aspects described herein include an exclusionary approach for basic service set (BSS) color selection and assignment in a network. A network controller for a network selects a radio associated with an access point (AP) under management of the network controller and determines a potential set of BSS colors for the radio. The network controller then removes/excludes a set of BSS colors that impacts the radio from the potential set of BSS colors and updates or assigns a BSS color for the selected radio using the potential set of BSS colors, minimizing the chances that the assigned BSS color will cause an overlapping BSS color condition in the network.

公开(公告)号：US11985542B2

公开(公告)日：2024-05-14

申请号：US17644457

申请日：2021-12-15

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Vishal S. Desai ,  Malcolm M. Smith ,  Santosh B. Kulkarni ,  Young Il Choi

IPC: H04W28/082 ,  H04W28/06 ,  H04W72/0453 ,  H04W72/542 ,  H04W76/15 ,  H04W88/06

CPC classification number: H04W28/06 ,  H04W28/082 ,  H04W72/0453 ,  H04W72/542 ,  H04W76/15 ,  H04W88/06

Abstract: Techniques are provided for optimizing performance of a multi-link device (MLD). In one embodiment, a controller receives information about a filter response for a first multi-link device (MLD, determines, based on the information about the filter response, a filtering transitional region of the first MLD indicating a range of frequencies where there is energy leakage due to the first MLD device operating in a simultaneous transmission and reception (STR) mode, determines cost metrics for a plurality of channels by identifying a STR and non-STR (NSTR) ratio for each of the plurality of channels, and assigns, based on the filtering transitional region and the cost metrics, a first radio of an access point (AP) to one of the plurality of channels to enable the first MLD to operate in the STR mode when communicating with the first radio.

公开(公告)号：US11791868B2

公开(公告)日：2023-10-17

申请号：US17451527

申请日：2021-10-20

Applicant: Cisco Technology, Inc.

Inventor： Santosh B. Kulkarni ,  Vishal S. Desai ,  Pooya Monajemi ,  Young Il Choi

IPC: H04B7/0426 ,  H04W16/10 ,  H04W48/16 ,  H04B17/318

CPC classification number: H04B7/043 ,  H04W16/10 ,  H04W48/16 ,  H04B17/318

Abstract: An operator may enhance radio resource management with beamwidth selection and beamsteering by receiving coverage data for a plurality of access points (APs) in a wireless network; calculating an antenna arrangement for the plurality of APs based on the coverage data, wherein the antenna arrangement covers a designated area in an environment; and configuring each AP of the plurality of aps according to the antenna arrangement by: setting a steering angle for adjustable antennas of the plurality of APs, setting a transmission power for the adjustable antennas; and setting a beamwidth of the adjustable antennas.

公开(公告)号：US11683852B2

公开(公告)日：2023-06-20

申请号：US17655131

申请日：2022-03-16

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Santosh B. Kulkarni ,  Benjamin J. Cizdziel ,  Vishal S. Desai ,  Young Il Choi

IPC: H04W76/27 ,  H04W8/00 ,  H04W28/08 ,  H04W36/00 ,  H04W48/20 ,  H04W74/08 ,  H04W88/08 ,  H04B17/318

CPC classification number: H04W76/27 ,  H04W8/005 ,  H04W28/08 ,  H04W36/0094 ,  H04W48/20 ,  H04W74/085 ,  H04W88/085 ,  H04B17/318

Abstract: Techniques are disclosed for determining one or more radio resource management (RRM) input parameters. The one or more RRM input parameters are determined based on a line of sight (LOS) estimate between two wireless stations (STAs). A plurality of RRM values are generated based on the one or more RRM input parameters. A wireless connection is established between a first wireless access point (AP) and a first STA using the RRM values.