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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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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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公开(公告)号：US11665682B2
公开(公告)日：2023-05-30
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: H04L12/28 , H04W72/0453 , H04J1/16 , H04W84/12
CPC classification number: H04W72/0453 , H04W84/12
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：US11606228B2
公开(公告)日：2023-03-14
申请号：US17245866
申请日：2021-04-30
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Nitin A. Changlani , Farhan Hasnain , Eldad Perahia , Deven Patel
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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Patent Agency Ranking
公开(公告)号：US11510204B1
公开(公告)日：2022-11-22
申请号：US17246253
申请日：2021-04-30
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Nitin A. Changlani , Eldad Perahia
IPC: H04W72/04 , H04B7/06 , H04W72/12 , H04B7/0452 , H04B7/0417
Abstract: Systems and methods are provided for determining, at a beamformee, to transmit data signals from transmitting spatial streams at one or more beamformers. Next, a gain resulting from an uplink transmit beamforming protocol may be determined to exceed an overhead of the transmit beamforming protocol. In response to the determination, the uplink transmit beamforming protocol may be conducted. This protocol includes, transmitting trigger frames to the beamformers to obtain channel data regarding channels between each of the transmitting antennae and the active receiving antennae, receiving responses to the trigger frames from each of the beamformers, generating the channel data based on the received responses, feeding back the channel data to each of the beamformers, scheduling the uplink transmit beamforming protocol based on the channel data, and receiving an integrated data signal from the beamformers based on a processing of the data signals via the uplink transmit beamforming protocol.
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公开(公告)号：US11388137B1
公开(公告)日：2022-07-12
申请号：US17125799
申请日：2020-12-17
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Nitin A. Changlani , Jingong Li , Manoj Thawani
IPC: H04L61/50 , H04W88/08 , H04W76/11 , H04L101/622
Abstract: An access point of a network configured to derive basic service set identifiers (BSSIDs). The access point determines a base media access control (MAC) address associated with an access point. The access point computes an offset for at least one radio of the access point. The access point determines a radio-specific MAC address for the at least one radio of the access point by incrementing the base MAC address by the offset. The access point then derives a plurality of BSSIDs for the at least one radio of the access point based on the radio-specific MAC address. In some cases, the access point determines a radio from which a BSSID is provided based on the BSSID.
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公开(公告)号：US11706710B2
公开(公告)日：2023-07-18
申请号：US17374533
申请日：2021-07-13
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Gaurav Patwardhan , Nitin A. Changlani , Eldad Perahia , Sachin Ganu , Mohd Shahnawaz Siraj , Abhiruchi Dakshinkar
CPC classification number: H04W52/0216 , H04W84/12
Abstract: Systems and methods are configured to receive a first request to schedule a Time To Wake (TWT) service period (SP) for a first station. The first request can be based on individual TWT protocol. That the TWT SP satisfies a threshold level of similarity with an existing TWT SP maintained for a group of at least one station scheduled to communicate over the existing TWT SP can be determined. The group can include a second station. The first station can be assigned to the group. A first packet can be transmitted to the first station and a second packet can be transmitted to the second station over the existing TWT SP.
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公开(公告)号：US11601873B2
公开(公告)日：2023-03-07
申请号：US17239415
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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10.发明申请公开(公告)号：US20220159713A1
公开(公告)日：2022-05-19
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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