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公开(公告)号：US10904805B1
公开(公告)日：2021-01-26
申请号：US16659630
申请日：2019-10-22
Applicant: Cisco Technology, Inc.
Inventor： Akram Ismail Sheriff , Xiaoguang Jason Chen , Jun Liu , Robert Edgar Barton , Jerome Henry
Abstract: In one embodiment, a device in a wireless network receives telemetry data from a plurality of autonomous vehicles. The telemetry data is indicative of radio signal quality metrics experienced by the vehicles at a particular location over time. The device forms an array of wireless roaming thresholds by applying regression to the telemetry data. The device computes an optimum roaming threshold from the array of wireless roaming thresholds to be used by the vehicles when approaching the location. The device triggers, based on the computed optimum threshold, one or more of the autonomous vehicles to initiate access point roaming when approaching the particular location.
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Patent Agency Ranking
公开(公告)号：US20230412510A1
公开(公告)日：2023-12-21
申请号：US17750194
申请日：2022-05-20
Applicant: Cisco Technology, Inc.
Inventor： Shruti Agarwal , Xiaoguang Jason Chen
IPC: H04L47/10 , H04L47/11 , H04L47/125
CPC classification number: H04L47/13 , H04L47/125 , H04L47/11
Abstract: According to one or more embodiments of the disclosure, a supervisory networking device in an Ethernet ring obtains identity information for each of a plurality of other networking devices in the Ethernet ring. The supervisory networking device determines, based on the identity information, a relative position for each of the plurality of other networking devices in the Ethernet ring. The supervisory networking device generates, based on the relative position of each of the plurality of other networking devices in the Ethernet ring, a load balancing configuration for the Ethernet ring. The supervisory networking device implements the load balancing configuration in the Ethernet ring by blocking a first link of the supervisory networking device for a first subset of the plurality of other networking devices and a second link of the supervisory networking device for a second subset of the plurality of other networking devices.
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公开(公告)号：US11362937B2
公开(公告)日：2022-06-14
申请号：US16825171
申请日：2020-03-20
Applicant: Cisco Technology, Inc.
Inventor： Huimin She , Lele Zhang , Shiwei Gao , Xiaoguang Jason Chen , Chuanwei Li
IPC: G06F15/173 , H04L45/00 , H04L41/0816 , H04L45/02
Abstract: Techniques for utilizing Software-Defined Field-Area Network (SD-FAN) controllers to receive a geographic location and transmission power of individual nodes and generate a geographic location topology of a Field-Area Network (FAN) to provide nodes with location-aware route paths for data transmission. One or more SD-FAN controller(s) may maintain a geographic location database to store the geographic location and transmission power of the individual nodes. Each node may utilize a Destination Address Object to advertise its geographic location and transmission power to the SD-FAN controller. The SD-FAN controller(s) may utilize the geographic location table to generate the geographic location topology of the FAN and determine a location-aware route path for optimized data transmission between nodes in the FAN.
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公开(公告)号：US11018960B2
公开(公告)日：2021-05-25
申请号：US16294777
申请日：2019-03-06
Applicant: Cisco Technology, Inc.
Inventor： Ashish K. Dalela , Charles Calvin Byers , Xiaoguang Jason Chen , Pradeep K. Munakala
IPC: G06F15/173 , H04L12/26
Abstract: Techniques for accelerated Time series analysis (TSA) in a network are described. Packets from a first network flow at a network element, such as a switch or a router, are trapped using a hardware based TSA engine at the network element. The packets are then reduced into TSA tuples including TSA data points and stored into memory. A software based TSA module performs one or more TSA actions on the stored tuples, where the TSA actions produce analysis results used to determine network performance for the network and network based applications.
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公开(公告)号：US20190116482A1
公开(公告)日：2019-04-18
申请号：US16214444
申请日：2018-12-10
Applicant: Cisco Technology, Inc.
Inventor： Linyu Lu , Jun Liu , Xia Ke , Xiaoguang Jason Chen
Abstract: An apparatus includes a first wireless bridge device configured to transmit signals to and receive signals from wireless network access points located along a pathway, and a second wireless bridge device configured to transmit signals to and receive signals from the wireless network access points. The first wireless bridge device and the second wireless bridge device are coupled to and communicate with each other. When the first wireless bridge device is wirelessly connected to a first access point and about to initiate a roaming mode to attempt to wirelessly connect to a second access point, the first wireless bridge device notifies the second wireless bridge device of the initiating of the roaming mode and determines whether the second wireless bridge device is in the roaming mode while the apparatus is moving along the pathway.
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公开(公告)号：US20180288602A1
公开(公告)日：2018-10-04
申请号：US15472417
申请日：2017-03-29
Applicant: Cisco Technology, Inc.
Inventor： Linyu Lu , Jun Liu , Xia Ke , Xiaoguang Jason Chen
Abstract: An apparatus includes a first wireless bridge device configured to transmit signals to and receive signals from wireless network access points located along a pathway, and a second wireless bridge device configured to transmit signals to and receive signals from the wireless network access points. The first wireless bridge device and the second wireless bridge device are coupled to and communicate with each other. When the first wireless bridge device is wirelessly connected to a first access point and about to initiate a roaming mode to attempt to wirelessly connect to a second access point, the first wireless bridge device notifies the second wireless bridge device of the initiating of the roaming mode and determines whether the second wireless bridge device is in the roaming mode while the apparatus is moving along the pathway.
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