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公开(公告)号：US10652797B2
公开(公告)日：2020-05-12
申请号：US15795750
申请日：2017-10-27
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Kishore Srimattirumala , Nethra Muniyappa , Sachin Ganu , Rajini Balay , Sree Harsha , Mathieu Mercier
Abstract: An example access point comprising: a memory; and a processor executing instructions stored in the memory to: determine a first interference event while operating on a first channel, wherein the first channel is designated to the access point in a global channel plan by a network controller based on a global view of a wireless network; switch to operate on a second channel from the first channel for a first amount of time in response to the first interference event; determine a second interference event of the same event type as the first interference event on the first channel, wherein the second interference event is the same event type as the first interference event; and switch to operate on the second channel from the first channel for a longer amount of time than the first amount of time, wherein the second channel is selected based on a local view of the wireless network by the access point.
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公开(公告)号：US20200053634A1
公开(公告)日：2020-02-13
申请号：US16058985
申请日：2018-08-08
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Sachin Ganu , Eldad Perahia , Dongwoon Hahn
Abstract: Systems and methods for assigning BSS colors in a deployed wireless area network (WLAN) include identifying a plurality of APs of an external wireless network operating on a same channel as a deployed AP of a deployed wireless network; selecting as a subset of the plurality of APs of the external wireless network those APs of the external wireless network based on expected interference; grouping the APs of the subset of the plurality of APs by a basic service set (BSS) color used by each of the plurality of identified APs of the external wireless network to form AP BSS color groups; calculating an airtime utilization for each AP color group; and selecting a BSS color using the calculated airtime utilization and assigning the selected BSS color for use by the deployed AP of the deployed wireless network.
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公开(公告)号：US20190159204A1
公开(公告)日：2019-05-23
申请号：US15817867
申请日：2017-11-20
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Mathieu Mercier , Sachin Ganu , Nethra Muniyappa , Sree Harsha , Rajini Balay
CPC classification number: H04W72/0453 , H04B1/005 , H04W16/02 , H04W16/12 , H04W24/10 , H04W72/08 , H04W72/082
Abstract: An example method comprising: assigning at least one band mode specified in the band mode list to a radio of the identified node, assigning a dual band mode to a set of wireless nodes of the plurality of wireless nodes that each satisfy a baseline coverage when operating on a low frequency band of the wireless band mode, assigning a high frequency band mode to a set of wireless nodes of the plurality of nodes based on band capacity, assigning a channel to the radio of the node on the high frequency band based on a band capacity; and responsive to assigning the channel to the radio on the high frequency band, assigning a channel to each radio of the set of nodes on the low frequency band.
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4.发明授权公开(公告)号：US11622364B2
公开(公告)日：2023-04-04
申请号：US17027908
申请日：2020-09-22
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Sachin Ganu , Eldad Perahia , Dongwoon Hahn
IPC: H04W84/12 , H04W72/1263 , H04W88/08
Abstract: Methods for assigning effective isotopic radiated power to an access point in a wireless network are provided. In one aspect, a method includes determining weights for neighboring access points in a wireless network based on channel frequency and basic service set color assignments. For a particular access point, a first path loss based on the determined weights and a second path loss based on the neighboring access points are calculated. First and second effective isotopic radiated power values are calculated based on the respective first and second path losses. The effective isotopic radiated power of the particular access point is adjusted based on the lower of the first and second calculated effective isotopic radiated power values. Systems and machine-readable media are also provided.
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公开(公告)号：US11510218B2
公开(公告)日：2022-11-22
申请号：US16933740
申请日：2020-07-20
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Sree Harsha , Dongwoon Hahn , Sachin Ganu , Mathieu Mercier , Nethra Muniyappa
Abstract: A network controller may include a memory and a processor. The memory may include instructions executable by the processor to receive a message from an access point. The message may comprise an interference event detected on a particular channel, wherein the particular channel is part of a particular channel list associated with the access point and stored at the network controller in a wireless local area network (WLAN). The memory may further include instructions executable to remove the particular channel from the particular channel list associated with the access point. The memory may further include instructions executable to determine a channel plan for a plurality of access points in the WLAN based on a corresponding plurality of channel lists including the particular channel list and deploy the channel plan to the plurality of access points.
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Patent Agency Ranking
公开(公告)号：US11153764B2
公开(公告)日：2021-10-19
申请号：US16591830
申请日：2019-10-03
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Mathieu Mercier , Sachin Ganu , Nethra Muniyappa , Sree Harsha , Rajini Balay
Abstract: An example non-transitory computer readable medium comprising instructions executable by a processor to: determine a channel distribution vector based on a channel priority for a plurality of available wireless channels within a wireless network; receive a set of constraints on a channel plan; determine a channel plan meeting the set of user defined constraints based on the channel distribution vector; and transmit the channel plan to a plurality of radios on the wireless network, wherein the channel plan comprises a channel assigned to each radio of the plurality of radios.
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公开(公告)号：US10716022B2
公开(公告)日：2020-07-14
申请号：US16046940
申请日：2018-07-26
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Sachin Ganu , Gaurav Patwardhan , Eldad Perahia , Dongwoon Hahn
IPC: H04W24/08 , H04W52/36 , H04W88/08 , H04W84/12 , H04B17/336 , H04B17/318 , H04W52/24
Abstract: Systems and methods for calculating uplink pathloss in a wireless local area network are provided. Uplink pathloss between an access point and client device operating in the wireless local area network can be calculated based on determining an effective maximum transmit power. Based on the effective maximum transmit power, and known uplink power headroom, a current transmit power of the client device can be determined. Based on the current transmit power of the client device, uplink pathloss can be determined. If the operating conditions and/or characteristics of the client device and/or wireless local area network change, the uplink pathloss may be re-evaluated.
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公开(公告)号：US10349411B2
公开(公告)日：2019-07-09
申请号：US15817867
申请日：2017-11-20
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Mathieu Mercier , Sachin Ganu , Nethra Muniyappa , Sree Harsha , Rajini Balay
Abstract: An example method comprising: assigning at least one band mode specified in the band mode list to a radio of the identified node, assigning a dual band mode to a set of wireless nodes of the plurality of wireless nodes that each satisfy a baseline coverage when operating on a low frequency band of the wireless band mode, assigning a high frequency band mode to a set of wireless nodes of the plurality of nodes based on band capacity, assigning a channel to the radio of the node on the high frequency band based on a band capacity; and responsive to assigning the channel to the radio on the high frequency band, assigning a channel to each radio of the set of nodes on the low frequency band.
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公开(公告)号：US11277850B2
公开(公告)日：2022-03-15
申请号：US16046945
申请日：2018-07-26
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Sachin Ganu , Eldad Perahia , Dongwoon Hahn
Abstract: Systems and methods for grouping client devices for uplink multi-user transmission are provided. Client device groups may be determined based on at least one of traffic compatibility/similarity, client device class compatibility/similarity, and uplink pathloss similarity. A target received signal strength measured by an AP with which client devices in the client device groups communicate and an appropriate modulation coding scheme rate to be used by the client devices may be determined and set for the client devices. The modulation coding scheme rate can be adjusted based on feedback regarding successful data packet reception at the AP from each of the client devices.
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公开(公告)号：US10694452B2
公开(公告)日：2020-06-23
申请号：US16058985
申请日：2018-08-08
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Sachin Ganu , Eldad Perahia , Dongwoon Hahn
Abstract: Systems and methods for assigning BSS colors in a deployed wireless area network (WLAN) include identifying a plurality of APs of an external wireless network operating on a same channel as a deployed AP of a deployed wireless network; selecting as a subset of the plurality of APs of the external wireless network those APs of the external wireless network based on expected interference; grouping the APs of the subset of the plurality of APs by a basic service set (BSS) color used by each of the plurality of identified APs of the external wireless network to form AP BSS color groups; calculating an airtime utilization for each AP color group; and selecting a BSS color using the calculated airtime utilization and assigning the selected BSS color for use by the deployed AP of the deployed wireless network.
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