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公开(公告)号：US10405314B2
公开(公告)日：2019-09-03
申请号：US15818654
申请日：2017-11-20
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Mathieu Mercier , Dongwoon Hahn , Sachin Ganu , Nethra Muniyappa , Sree Harsha , Rajini Balay
Abstract: Examples of the present disclosure include: obtain data collected from a plurality of access points (APs) in a WLAN, including a current allocation of channels to radios of the APs according to a current channel plan; calculate a new channel plan which assigns a different channel to at least one of the radios; calculate a first metric that predicts better network performance achieved by the new channel plan than the current allocation of channels to the radios; determine whether the first metric exceeds a first predetermined threshold; and implement the new channel plan in response to determining that the first metric exceeds the first predetermined threshold.
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公开(公告)号：US10397928B1
公开(公告)日：2019-08-27
申请号：US16103915
申请日：2018-08-14
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Sachin Ganu , Eldad Perahia , Gaurav Patwardhan
Abstract: Systems and methods for assigning default an alternative BSS colors in a wireless local area network (WLAN) including a network graph representing radio neighbors include assigning a frequency range and EIRP for each radio represented in the network graph; generating a subgraph of radios operating at the same frequency range; for the subgraph, determining a minimum number of basic service set (BSS) colors required to BSS color the subgraph without BSS color conflict; based on the minimum number of BSS colors, assigning a default BSS color to each radio in the subgraph to avoid BSS color conflict among radios in the subgraph; based on remaining BSS colors, assigning one or more alternative BSS colors to each radio in the subgraph.
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公开(公告)号：US20190132780A1
公开(公告)日：2019-05-02
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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24.发明授权公开(公告)号：US10827513B2
公开(公告)日：2020-11-03
申请号：US15966971
申请日：2018-04-30
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Gaurav Patwardhan , Sachin Ganu , Eldad Perahia , Dongwoon Hahn
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：US10708916B2
公开(公告)日：2020-07-07
申请号：US15762595
申请日：2015-09-29
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn
IPC: H04W4/00 , H04W72/04 , H04W16/10 , H04B17/345 , H04W88/12
Abstract: Examples disclosed herein relate, among other things, to a controller communicatively coupled to a plurality of radios, where each radio may be associated with a wireless channel. The controller may obtain, for each radio in the plurality of radios, a set of parameters associated with the radio's communication through the wireless channel associated with the radio, and determine an air-time capacity of the radio based on the set of parameters. The controller may also calculate a combined air-time capacity of the plurality of radios based on the air-time capacity of each of the plurality of radios, and based on the combined air-time capacity, determine whether to assign a different wireless channel to at least one of the plurality of radios.
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Patent Agency Ranking
公开(公告)号：US10674513B2
公开(公告)日：2020-06-02
申请号：US16541230
申请日：2019-08-15
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Sachin Ganu , Eldad Perahia , Gaurav Patwardhan
Abstract: Systems and methods for assigning default an alternative BSS colors in a wireless local area network (WLAN) including a network graph representing radio neighbors include assigning a frequency range and EIRP for each radio represented in the network graph; generating a subgraph of radios operating at the same frequency range; for the subgraph, determining a minimum number of basic service set (BSS) colors required to BSS color the subgraph without BSS color conflict; based on the minimum number of BSS colors, assigning a default BSS color to each radio in the subgraph to avoid BSS color conflict among radios in the subgraph; based on remaining BSS colors, assigning one or more alternative BSS colors to each radio in the subgraph.
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公开(公告)号：US20200037172A1
公开(公告)日：2020-01-30
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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28.发明申请公开(公告)号：US20190335486A1
公开(公告)日：2019-10-31
申请号：US15966971
申请日：2018-04-30
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Gaurav Patwardhan , Sachin Ganu , Eldad Perahia , Dongwoon Hahn
IPC: H04W72/12
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：US20190132746A1
公开(公告)日：2019-05-02
申请号：US15796747
申请日：2017-10-27
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：US20190082357A1
公开(公告)日：2019-03-14
申请号：US15700161
申请日：2017-09-10
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Dongwoon Hahn , Mathieu Mercier , Sachin Ganu , Nethra Muniyappa , Sree Harsha , Rajini Balay
Abstract: A method related to selecting a channel bandwidth may include partitioning the plurality of networks into a plurality (P) of local radio environments and identifying, for the P local radio environments, an available channel bandwidth set comprising a plurality of channel bandwidth values. The method may also relate to determining whether the plurality of channel bandwidth values provide a frequency reuse distance that is greater than a threshold frequency reuse distance, wherein the frequency reuse distance is estimated based at least on the pathloss measurement and, based on a determination that at least one of the plurality of channel bandwidth values provides the frequency reuse distance that is greater than the threshold frequency reuse distance, configuring a channel plan for the plurality of networks with a channel bandwidth value from the at least one of the plurality of channel bandwidth values.
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