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公开(公告)号：US11778594B2
公开(公告)日：2023-10-03
申请号：US17062408
申请日：2020-10-02
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Abhiruchi Dakshinkar , Gaurav Patwardhan , Mohd Shahnawaz Siraj
IPC: H04W72/04 , H04B7/0413 , H04L12/46 , H04L45/74
CPC classification number: H04W72/04 , H04B7/0413 , H04L12/4641 , H04L45/74
Abstract: Systems and methods are provided for aggregating Media Access Control (MAC) Protocol Data Units (MPDUs) destined for different peers, and may have the same or different source address information, e.g., within the same or across different virtual access points (VAPs). For example, trigger frames used to signal to devices which subchannel(s) those devices can utilize, may be aggregated. For example, a multi-VAP/multi-device block acknowledgement for acknowledging packets transmitted to devices belonging to different VAPs can be sent as an aggregated MPDU.
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公开(公告)号：US11683835B2
公开(公告)日：2023-06-20
申请号：US17221596
申请日：2021-04-02
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Gaurav Patwardhan , Eldad Perahia , Abhiruchi Dakshinkar , Nitin A. Changlani , Sachin Ganu
CPC classification number: H04W74/0816 , H04W28/0268 , H04W28/0975 , H04W28/18 , H04W74/0808
Abstract: Currently, spatial reuse (SR) is a feature used indiscriminately for/across all traffic classes. However, systems and methods are provided for reducing channel access latency via selective application of SR for latency-sensitive and high-priority traffic. If a radio frequency (RF) signal is detected on a channel used by an access point (AP) or a client device, a determination can be made as to whether the energy of the RF signal relative to SR energy level thresholds permits transmission on that channel used simultaneously by another, e.g., neighboring AP. If so, frames can be transmitted so long as the other neighboring AP is associated with a different basic service set (BSS) color than that of the AP, and so long as the frames to be transmitted belong to a high-priority/low-latency traffic access category.
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43.发明申请公开(公告)号：US20220408480A1
公开(公告)日：2022-12-22
申请号：US17351843
申请日：2021-06-18
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： NITIN A. CHANGLANI , Eldad Perahia , Gaurav Patwardhan , Abhiruchi Dakshinkar , Sachin Ganu
Abstract: Systems and methods are provided for using a short data frame sent at a particular rate that can be used to probe a channel on which an access point is operating. The rate can be increased/decreased depending on whether or not transmission of the short data frame was successful or not. In this way, the highest possible rate (which can be impacted by any or all of the following factors: number of spatial streams, modulation and coding scheme, channel bandwidth, guard interval) can be selected to transmit data on the channel. In other words, a transmission rate can be selected dynamically and on a per-packet basis for a spatial reuse data frame that would follow the short data frame based on whether transmission of the short data frame was successful.
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公开(公告)号：US20220369314A1
公开(公告)日：2022-11-17
申请号：US17319003
申请日：2021-05-12
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Abhiruchi Dakshinkar , Eldad Perahia , Gaurav Patwardhan , Nitin A. Changlani , Sachin Ganu
IPC: H04W72/04
Abstract: Currently, spatial reuse (SR) is a feature used indiscriminately for/across all traffic classes. However, systems and methods are provided for increasing the reliability of voice traffic and Transmission Control Protocol (TCP) Acknowledgement (ACK) messaging. The result is improved quality of voice calls, and enhanced network capacity. When the length of a data section of a packet suggests that subsequent packets are associated with voice traffic or TCP ACKs, such packets are not transmitted when another transmission(s) is occurring under spatial reuse. When a determination is made that the length of a data section of the packet suggests non-voice traffic or TCP ACKs, they can be transmitted simultaneously with other transmissions occurring under spatial reuse.
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公开(公告)号：US20220322436A1
公开(公告)日：2022-10-06
申请号：US17221596
申请日：2021-04-02
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Eldad Perahia , Abhiruchi Dakshinkar , Nitin A. Changlani , Sachin Ganu
Abstract: Currently, spatial reuse (SR) is a feature used indiscriminately for/across all traffic classes. However, systems and methods are provided for reducing channel access latency via selective application of SR for latency-sensitive and high-priority traffic. If a radio frequency (RF) signal is detected on a channel used by an access point (AP) or a client device, a determination can be made as to whether the energy of the RF signal relative to SR energy level thresholds permits transmission on that channel used simultaneously by another, e.g., neighboring AP. If so, frames can be transmitted so long as the other neighboring AP is associated with a different basic service set (BSS) color than that of the AP, and so long as the frames to be transmitted belong to a high-priority/low-latency traffic access category.
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Patent Agency Ranking
公开(公告)号：US11250172B2
公开(公告)日：2022-02-15
申请号：US15965870
申请日：2018-04-28
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Sachin Ganu
Abstract: Example method includes: receiving, by a network device, a connection request to a wireless local area network (WLAN) from a client device; determining, by the network device, that the client device is associated with a particular role indicating that the client device is stolen; and performing, by the network device, a set of special handling operations that facilitates maintaining an active connection between the client device and the WLAN, collecting and reporting information about the client device to an investigation agency.
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公开(公告)号：US20210392581A1
公开(公告)日：2021-12-16
申请号：US16902412
申请日：2020-06-16
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Eldad Perahia
IPC: H04W52/02 , H04W16/14 , H04B17/318
Abstract: Embodiments are directed to dynamic frequency selection (DFS) for wake up radio (WUR). An embodiment of a storage medium includes instructions to cause operations including select, by a primary access point (AP), a surrogate AP to communicate with a wake up radio of a station that is associated with the primary AP operating on a Dynamic Frequency Selection (DFS) channel; provide, by the primary AP to the surrogate AP, wake up radio parameters negotiated between the station and the primary AP; cause, by the primary AP, the surrogate AP to send a wake up signal to the station, the wake up signal to cause the wake up radio of the station to enable a primary connectivity radio of the station; and exchange, by the primary AP, data with the station via the primary connectivity radio after the primary connectivity radio is enabled.
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公开(公告)号：US10764859B2
公开(公告)日：2020-09-01
申请号：US16207109
申请日：2018-12-01
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Sachin Ganu
Abstract: Example method includes: determining, by a network device, a plurality of client devices' locations within a wireless network; assigning the plurality of client devices into a number of clusters; calculating an original cluster centroid location for each cluster of client devices; calculating an average distance between each client device in a particular cluster and the original cluster centroid location for the particular cluster; iteratively adjusting the number of clusters and assignment of the plurality of client devices to determine the number of clusters associated with a low number of cluster and a low average distance from each client device in a respective cluster to a respective cluster centroid location; and assigning a subset of access points in the wireless network to a high priority, each AP in the subset having the closest distance to the respective cluster centroid location corresponding to the determined number of clusters.
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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：US10547369B2
公开(公告)日：2020-01-28
申请号：US16258584
申请日：2019-01-26
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Gaurav Patwardhan , Kiran Ashokan , Mohd Shahnawaz Siraj , Satish Damodaran
IPC: H04B7/02 , H04B7/06 , H04B7/0417 , H04B7/0452
Abstract: According to examples of present disclosure, a network device may group a first subset of client devices for beamforming transmissions using multi-user multiple-input multiple-output (MU-MIMO), and also group a second subset of client devices associated with the two or more basic service sets for simultaneous data transmission using multi-user orthogonal frequency-division multiple access (MU-OFDMA). The subset of client devices within the same group may be associated with different basic service sets.
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