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公开(公告)号：US20230403582A1
公开(公告)日：2023-12-14
申请号：US17805932
申请日：2022-06-08
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xuguang JIA , Jianpo HAN , Qiang ZHOU
CPC classification number: H04W24/08 , H04W36/30 , H04W72/082 , H04W52/243
Abstract: In embodiments of the present disclosure, a method is provided for interference mitigation in wireless communication. Radio statistics indicating transmissions between an AP and a plurality of clients are obtained at the AP. Based on the radio statistics, a client suffering from adjacent band interference is identified from the plurality of clients. An indication is transmitted to at least one other client of the plurality of clients to mitigate the adjacent band interference and the at least one other client is identified based on the client. In this way, by transmitting the indication to the client(s) associated with the client identified as suffering from the adjacent band interference, the adjacent band interference can be mitigated or eliminated efficiently.
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公开(公告)号：US20240260109A1
公开(公告)日：2024-08-01
申请号：US18161953
申请日：2023-01-31
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xuguang JIA , Xiaoyang FU , Yongchang GUO
Abstract: Implementations of the present disclosure relate to multi-link communications between multi-link devices, in which a first link between a station of a first multi-link device and an access point of a second multi-link device and a second link between an access point in the first multi-link device and a station in the second multi-link device can be both established. The first link and the second link are combined for an improved multi-link communication with better performance, such as the reduction of latency, an improved power-saving mechanism and the enhanced time synchronization.
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公开(公告)号：US20240215092A1
公开(公告)日：2024-06-27
申请号：US18145123
申请日：2022-12-22
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xiaoyang FU , Xuguang JIA , Guangzhi RAN
CPC classification number: H04W76/15 , H04W28/085
Abstract: In implementations of the present disclosure, a method is provided for multi-link operation (MLO) at multi-link devices (MLDs). A first MLD establishes a plurality of links on a radio band with a second MLD based on a primary service set identifier (SSID). The first MLD further generates a key for the plurality of links on the radio band based on the primary SSID, and performs transmission of a traffic flow with the second MLD at least based on the plurality of links and the key. In this way, with multiple links on the same radio band, a suitable link among the multiple links can be used for the transmission, thereby improving stability, utility and performance of links in the MLO.
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公开(公告)号：US20230095205A1
公开(公告)日：2023-03-30
申请号：US17488837
申请日：2021-09-29
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Abhiruchi DAKSHINKAR , Xuguang JIA , Qiang ZHOU
Abstract: Implementations of the present disclosure relate to selecting a transmitting virtual access point (VAP) for a MBSSID set. A method comprises selecting a VAP from a set of VAPs as a transmitting VAP based on context information about the set of VAPs, at least one of the set of VAPs other than the transmitting VAP being determined as at least one non-transmitting VAP The method also comprises generating a beacon frame for the set of VAPs by including an identifier of the transmitting VAP in a header part of the beacon frame and including at least one identifier of the at least one non-transmitting VAP in a payload part of the beacon frame. A generated beacon frame is broadcasted. In this way, a transmitting VAP of a set of VAPs is no longer determined by default, but can be selected for different cases.
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公开(公告)号：US20220353953A1
公开(公告)日：2022-11-03
申请号：US17244318
申请日：2021-04-29
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xiaoyang FU , Xuguang JIA , Qiang ZHOU
IPC: H04W84/18
Abstract: In embodiments of the present disclosure, a method is provided for managing a mesh point. A request is transmitted from a mesh point to a mesh portal, and the request indicates that Reduced Neighbor Report (RNR) information is required. A beacon with the RNR information is received from the mesh portal. A mesh link is established with a target mesh portal based on the beacon with the RNR information. Therefore, the time cost and the data communication of a scanning procedure of the mesh point may be greatly reduced. Further, communications in the scanning procedure are lowered, such that conflicts in the air may be alleviated.
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Patent Agency Ranking
公开(公告)号：US20240147276A1
公开(公告)日：2024-05-02
申请号：US18050609
申请日：2022-10-28
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xuguang JIA , Yongchang GUO , Zhenlei WANG
IPC: H04W24/10 , H04L43/0811 , H04W24/04 , H04W52/02 , H04W76/19
CPC classification number: H04W24/10 , H04L43/0811 , H04W24/04 , H04W52/0229 , H04W76/19
Abstract: Implementations of the present disclosure relate to link failure detection. In the implementations, an access point (AP) determines a power save mode of each of a plurality of links established between the AP and a station. If at least two links of the plurality of links are in a power save mode, the AP determines a detection time period for detecting signals based on beacon intervals of the at least two links. The AP then transmits detection signals to the station in the at least two links during the detection time period. The AP determines connectivity of the at least two links based on responses to the detection signals received from the station. In this way, all the failed links in power save mode can be efficiently detected, thereby facilitating transmission scheduling between the AP and station.
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公开(公告)号：US20240089854A1
公开(公告)日：2024-03-14
申请号：US17932210
申请日：2022-09-14
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xuguang JIA , Qiang ZHOU , Guangzhi RAN
IPC: H04W52/02
CPC classification number: H04W52/0216 , H04W52/0274
Abstract: In embodiments of the present disclosure, there is provided an approach for aligning target beacon transmission time (TBTT) for multi-link connection. A method comprises setting up a first link and a second link between an access point (AP) and a wireless device based on multi-link operation (MLO), and obtaining a first TBTT of the first link and a second TBTT of the second link. The method further comprises aligning the first TBTT and the second TBTT at a start time, and then transmitting beacon frames on the first link and the second link according to the aligning of the first TBTT and second TBTT. Embodiments of the present disclosure synchronize and align the beacon TBTTs for different links, and can reduce the wake-up time on all active links, thereby saving power for the wireless device.
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公开(公告)号：US20220225231A1
公开(公告)日：2022-07-14
申请号：US17146086
申请日：2021-01-11
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Junyu PEI , Xuguang JIA , Xiaoyang FU
Abstract: In embodiments of the present disclosure, there is provided an approach for power saving in a mesh network. According to embodiments of the present disclosure, a mesh portal transmits, to a mesh point in a sleep mode, a packet for waking up the mesh point during a predetermined time period. The mesh point in the sleep mode detects the packet during the predetermined time period. In accordance with a determination that the mesh point is waked up, the mesh portal establishes a mesh link with the mesh point. Embodiments of the present disclosure provide an effective way for power saving in a mesh network.
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公开(公告)号：US20220182931A1
公开(公告)日：2022-06-09
申请号：US17110839
申请日：2020-12-03
Applicant: Hewlett Packard Enterprise Development LP
Inventor： Xuguang JIA , Qiang ZHOU , Guangzhi RAN
Abstract: In embodiments of the present disclosure, there is provided an approach for managing Target Wake Time (TWT) clients in a congested environment. According to embodiments of the present disclosure, a TWT client transmits, to an AP, a request to negotiate a schedule for a TWT session. The request comprises a first set of TWT parameters requested by the TWT client. The AP determines, based on respective sets of TWT parameters of existing TWT sessions and the first set of TWT parameters, a second set of TWT parameters for the TWT client to minimize overlap between the TWT session and the existing TWT sessions. The AP transmits a response comprising the second set of TWT parameters to the TWT client. Embodiments of the present disclosure provide an effective way for assigning air resources to multiple TWT clients in a congested environment, thereby reducing collisions among TWT sessions.
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公开(公告)号：US20240365134A1
公开(公告)日：2024-10-31
申请号：US18308407
申请日：2023-04-27
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Qiang ZHOU , Berend DUNSBERGEN , Xuguang JIA
Abstract: Systems and methods are provided for performing live upgrading of Access Points (APs) in WiFi-7. A method of upgrading an AP having Multi-Link Operation (MLO) and a Multi-Link Device (MLD) comprising a UMAC sublayer (MLD UMAC) and an LMAC sublayer (MLD LMAC), includes determining whether the MLD is in tunnel mode, and when the MLD is not in tunnel mode, switching the MLD to tunnel mode. Contents of the MLD UMAC are transferred to a controller; and contents of the MLD LMAC, comprising one or more MLD links, are transferred to one or more neighbor APs. Live upgrade of the upgrading AP is performed, after which the upgrading AP is rebooted. The MLD links previously transferred to the one or more neighbor APs are transferred back to the upgraded AP, and the contents of the MLD UMAC are copied from the controller to the UMAC of the upgraded AP.
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