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公开(公告)号：US11706699B2
公开(公告)日：2023-07-18
申请号：US17239382
申请日：2021-04-23
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Nitin A. Changlani , Deven Patel , Farhan Hasnain
Abstract: Systems and methods are provided by which all APs in a particular deployment can be used to assist in the out-of-band discovery of 6 GHz radios by client devices. That is, a series of iterative operations can be performed to: (I) determine the state of 6 GHz radios in a zone/deployment area; (II) identify what radios can be considered near-neighbors to non-6 GHz radios for purposes of advertising one or more of the 6 GHz radios; (Ill) rank neighboring 6 GHz radios for a given non-6 GHz radio based on certain radio metrics; and (IV) ultimately determine those 6 GHz radios that can be advertised by the given non-6 GHz radio.
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12.发明授权公开(公告)号：US11477817B2
公开(公告)日：2022-10-18
申请号：US16950728
申请日：2020-11-17
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Nitin A. Changlani , Qiang Zhou , Myung Cheol Kim
Abstract: Systems and methods are described for prioritizing channel access to uplink (UL) multi-user (MU) data capable active stations (STAs) by dynamically adapting a MU enhanced distributed channel access (EDCA) parameter set to provide for increased access to the channel by the UL MU data capable active STAs when the total number of active STAs associated to the AP less the number of active UL MU capable STAs exceeds the number of active UL MU data capable STAs; and by dynamically adapting the MU EDCA parameter set to equal a legacy EDCA parameter set to reduce collisions between the UL MU data capable STAs when the number of active UL MU data capable STAs exceeds or equals the total number of active STAs associated to the AP less the number of active UL MU data capable STAs.
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公开(公告)号：US20250159590A1
公开(公告)日：2025-05-15
申请号：US18835601
申请日：2023-02-08
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Abhiruchi Dakshinkar , Gaurav Patwardhan , Eldad Perahia , Sachin Ganu , Nitin A. Changlani
Abstract: The present disclosure describes examples of the mechanism of a Supplemental Beacon. The Supplemental Beacon may be used as an additional beacon to an original main beacon in a Wi-Fi system. The Supplemental Beacon may be transmitted in a Short Interframe Space (SIFS) interval preceding the transmittance of the main beacon. Establishing set times of the Supplemental Beacon transmittance before the main beacon may allow client devices to wake up at consistent time intervals to receive data, and allow client devices to only remain awake for a short duration between the Supplemental Beacon transmittance and the main beacon transmittance before going back to sleep. The support of a Supplemental Beacon to the main beacon at fixed times of short duration before the main beacon that may allow the conservation of power of client devices and network devices in the Wi-Fi system, and increase productivity in the transmission of data.
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公开(公告)号：US12095595B2
公开(公告)日：2024-09-17
申请号：US18166619
申请日：2023-02-09
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Nitin A. Changlani , Farhan Hasnain , Eldad Perahia , Deven Patel
CPC classification number: H04L25/0224 , H04L5/0007 , H04L25/063
Abstract: Systems and techniques are described that are directed to filter frequency response shift compensation, including compensating for shifting in the rejection band of the filter. Compensation for the shifting in the rejection band can include applying a pre-distortion to attenuate edge resource units (RUs), and applying PHY Protocol Data Unit (PPDU) scheduling schemes. For example, a PPDU scheduling scheme reduce bandwidth in the channel, thereby dropping the out of band RUs. Front ends provide feedback to a respective radio, which allows that radio to apply the appropriate pre-distortion. The front ends can include one or more filters enabling frequency domain coexistence between collocated radios operating in the differing Wi-Fi bands, and a coupler that provides the feedback indicating the frequency response shift to a radio. The radio can then apply a digital pre-distortion to compensate for the shifting in the rejection band.
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公开(公告)号：US11617187B2
公开(公告)日：2023-03-28
申请号：US17083261
申请日：2020-10-28
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Nitin A. Changlani , Qiang Zhou , Sachin Ganu , Hao Lu
IPC: H04W72/12 , H04W28/02 , H04W74/06 , H04W84/12 , H04W74/00 , H04W72/1263 , H04W72/121
Abstract: Systems and methods are provided for synchronizing uplink (UL) and downlink (DL) traffic. In particular, frames associated with Quality of Service (QoS}-sensitive traffic flows to be transmitted in a first direction are prioritized commensurate with frames to be transmitted in a second direction, different/opposite to that of the first direction. For example, UL traffic flows can be prioritized based on DL traffic flows, where the traffic flows belong to the same application flow, and vice versa, where DL traffic flows can be prioritized based on UL traffic flows for the same application flow. In this way, end-to-end QoS can be achieved.
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Patent Agency Ranking
公开(公告)号：US11546931B2
公开(公告)日：2023-01-03
申请号：US17127774
申请日：2020-12-18
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Qiang Zhou , Nitin A. Changlani , Sachin Ganu , Hao Lu
Abstract: Systems and methods are provided for transmitting buffer state report poll (BSRP) triggers from a WLAN device with a BSRP frequency that is based on an amount of pending data at the UL buffer of each station associated to the WLAN device. The BSRP frequency can further be based on a priority of the pending data at the UL buffer. The amount of pending data at the UL buffer can be compared to a threshold, the value of which can depend on the priority of the pending data, and the BSRP frequency can be based on the comparison.
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17.发明授权公开(公告)号：US11856602B2
公开(公告)日：2023-12-26
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
CPC classification number: H04W74/0808 , H04L1/0003 , H04L1/0071 , H04W84/12
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：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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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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