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公开(公告)号：US20230328717A1
公开(公告)日：2023-10-12
申请号：US18332630
申请日：2023-06-09
Applicant: Cisco Technology, Inc.
Inventor： Brian D. HART , Malcolm M. SMITH , Sanjay K. KATABATHUNI , Pooya MONAJEMI , Venkataprasad CHIRREDDY
IPC: H04W72/1263 , H04W72/21 , H04W72/52 , H04W72/566
CPC classification number: H04W72/1263 , H04W72/21 , H04W72/52 , H04W72/569
Abstract: A method includes determining whether a first access point of a plurality of access points and a second access point of the plurality of access points should communicate simultaneously over a shared channel in a first network and in response to determining that one of the plurality of access points won contention of a transmission opportunity for the shared channel, dividing the transmission opportunity into a plurality of time slots. The method also includes scheduling transmissions of the first and second access points into the plurality of time slots according to the determination whether the first and second access points should communicate simultaneously over the shared channel and communicating, to the second access point and over a wired network or a second network different from the first network, an indication of whether the second access point should communicate during a first time slot of the plurality of time slots.
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公开(公告)号：US20230178890A1
公开(公告)日：2023-06-08
申请号：US17457330
申请日：2021-12-02
Applicant: Cisco Technology, Inc.
Inventor： Santosh B. KULKARNI , Vishal S. DESAI , Pooya MONAJEMI , Young Il CHOI
CPC classification number: H01Q3/36 , H01Q25/002
Abstract: Flexible radio assignment with beamsteering antennas is provided by controlling a plurality of Access Points (APs) including steerable antennas to each transmit a first plurality of discovery frames at a first beamwidth; controlling the plurality of APs to steer the steerable antennas at a second beamwidth, less than the first beamwidth, to a plurality of steering angles; controlling the plurality of APs to each transmit a second plurality of discovery frames at each steering angle of the plurality of steering angles; determining an overlap in radio coverage among the plurality of APs based on the first plurality and the second plurality of discovery frames; and identifying redundant radios based on the overlap in radio coverage; and reassigning the redundant radios from use for client transmissions to a secondary role.
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公开(公告)号：US20230094149A1
公开(公告)日：2023-03-30
申请号：US18058604
申请日：2022-11-23
Applicant: Cisco Technology, Inc.
Inventor： Malcolm Muir SMITH , Brian D. HART , Pooya MONAJEMI , Santosh Babaji KULKARNI , Vishal Satyendra DESAI
Abstract: Seamless client roaming for Multi-Link Device (MLD) clients may be provided. First, a Traffic Identifier (TID)-to-link map may be established by an Upper Service Access Point (U-SAP) of a multi-AP MLD entity that assigns subsets of TIDs to at least two links of the entity. For example, a client device logically associates with the U-SAP, while the client device physically connects to a first and second AP of the entity on a respective first and second link, where the first and second AP include first and second Lower Service Access Points (L-SAPs) and are non-collocated. Next, using the map, data received at the U-SAP is directed over one of the two links for transmission to the client device. Further, frame aggregation and block acknowledgment functions may be performed by one of the first or second L-SAP based on whether data transmission is over the first or second link.
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公开(公告)号：US20230027444A1
公开(公告)日：2023-01-26
申请号：US17443403
申请日：2021-07-26
Applicant: Cisco Technology, Inc.
Inventor： Brian D. HART , Malcolm M. SMITH , Sanjay K. KATABATHUNI , Pooya MONAJEMI , Venkataprasad CHIRREDDY
IPC: H04W72/12
Abstract: A method includes determining whether a first access point of a plurality of access points and a second access point of the plurality of access points should communicate simultaneously over a shared channel in a first network and in response to determining that one of the plurality of access points won contention of a transmission opportunity for the shared channel, dividing the transmission opportunity into a plurality of time slots. The method also includes scheduling transmissions of the first and second access points into the plurality of time slots according to the determination whether the first and second access points should communicate simultaneously over the shared channel and communicating, to the second access point and over a wired network or a second network different from the first network, an indication of whether the second access point should communicate during a first time slot of the plurality of time slots.
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公开(公告)号：US20220322145A1
公开(公告)日：2022-10-06
申请号：US17219376
申请日：2021-03-31
Applicant: Cisco Technology, Inc.
Inventor： Pooya MONAJEMI , Vishal Satyendra DESAI , Santosh Babaji KULKARNI
Abstract: Mitigation of active link alternation by multi-link devices (MLDs) may be provided. First, at least first and second links may be established between an Access Point (AP) MLD and an associated MLD client. The first link may be active, while the second link may be inactive. A set of traffic load data associated with the links may be collected before and after transmission of a Basic Service Set (BSS) load report to the MLD client. The report may include a traffic load on the second link prior to transmission, where the second link is less loaded than the first link. Based on the collected traffic load data, an active link alternation from the first to the second link by the MLD client responsive to receiving the report may be detected. One or more methods for BSS load report management may then be applied to mitigate future active link alternation.
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Patent Agency Ranking
公开(公告)号：US20220086661A1
公开(公告)日：2022-03-17
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 , 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.
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公开(公告)号：US20210392568A1
公开(公告)日：2021-12-16
申请号：US16902038
申请日：2020-06-15
Applicant: Cisco Technology, Inc.
Inventor： Jerome HENRY , Akram I. SHERIFF , Sudhir K. JAIN , Pooya MONAJEMI
Abstract: Aspects described herein include a method comprising receiving an initial Fine Timing Measurement (FTM) request from an Initiating Station (ISTA), determining a priority classification of the ISTA relative to other ISTAs, and determining, based at least partly on the priority classification, whether to accept the initial FTM request.
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公开(公告)号：US20200305008A1
公开(公告)日：2020-09-24
申请号：US16362451
申请日：2019-03-22
Applicant: Cisco Technology, Inc.
Inventor： Jerome HENRY , Pooya MONAJEMI , Vishal S. DESAI
Abstract: A machine learning based adaptive short beacon activation (SBA) engine is described. The SBA engine provides for activating or suppressing short beacon transmission in a network cell based on total network cell effects in both airtime consumption and network flows as determined by the SBA engine. In some examples the SBA engine utilizes input parameters received from various wireless medium to evaluate the current and near future advantages and/or disadvantages of activating/suppressing short beacons.
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公开(公告)号：US20200304378A1
公开(公告)日：2020-09-24
申请号：US16358689
申请日：2019-03-19
Applicant: Cisco Technology, Inc.
Inventor： Young Il CHOI , Vishal S. DESAI , Santosh Babaji KULKARNI , Pooya MONAJEMI
Abstract: Techniques for dynamic RF site configuration are provided. Historical association data is collected from a plurality of access points in a physical environment, and a machine learning model is trained to predict future association events, based on the historical association data. Current association data is then collected from the plurality of access points, and at least one predicted association event is generated by processing the current association data using the trained machine learning model. The plurality of access points is allocated to a plurality of radio frequency (RF) sites based on the at least one predicted association event. Finally, at least one of the plurality of RF sites is configured based on the predicted association event.
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公开(公告)号：US20200153540A1
公开(公告)日：2020-05-14
申请号：US16748582
申请日：2020-01-21
Applicant: Cisco Technology, Inc.
Inventor： Benjamin Jacob CIZDZIEL , Brian Donald HART , Pooya MONAJEMI , Vishal Satyendra DESAI
IPC: H04L1/00 , H04L12/851 , H04W16/14 , H04L12/803
Abstract: An access point in a wireless network communicates wirelessly with one or more client devices over a channel that includes a plurality of subchannels. Radar is detected on a first subchannel of the plurality of subchannels. It is determined to puncture the first subchannel, based on the detecting the radar on the first subchannel and based on one or more puncturing factors. The first subchannel is punctured, the puncturing comprising muting one or more subcarriers on the first subchannel.
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