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公开(公告)号：US20230247484A1
公开(公告)日：2023-08-03
申请号：US17591026
申请日：2022-02-02
Applicant: Cisco Technology, Inc.
Inventor： Ali Sajassi , Arman Rezaee , Pradeep Kumar Kathail
CPC classification number: H04W28/0967 , H04B7/18521 , H04W24/10 , H04W84/06
Abstract: According to an embodiment, a node comprises one or more processors operable to execute instructions to cause the node to perform operations. The operations comprise determining a link quality associated with each satellite link of a plurality of satellite links and applying load balancing to the plurality of satellite links. The load balancing is based at least in part on the respective link quality associated with each satellite link. The load balancing comprises determining which of the satellite links to include in an active set selected to communicate data to or from the node and, for each satellite link in the active set, determining a portion of the data to communicate via the respective satellite link. The operations further comprise transmitting or receiving the data via the satellite links in the active set. Each satellite link in the active set communicates its respective portion of the data.
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2.发明公开公开(公告)号：US20240195496A1
公开(公告)日：2024-06-13
申请号：US18078882
申请日：2022-12-09
Applicant: Cisco Technology, Inc.
Inventor： Arman Rezaee , Ali Sajassi
CPC classification number: H04B7/18584 , H04W28/0226
Abstract: Described herein are techniques for leveraging ground station computing devices for performing route planning calculations to be used in a LEO satellite network for traffic routing. Such techniques may comprise receiving, at a ground station computing device, a request to generate routing information for a satellite node over a period of time, determining, by the ground station computing device, a number of communication connections associated with at least one destination node, each communication connection of the number of communication connections associated with a portion of the period of time, selecting, by the ground station computing device, one or more communication connection of the number of communication connections to cover the period of time, populating, by the ground station computing device, the routing information with an indication of the selected at least one communication connection, and providing the routing information to the satellite node.
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公开(公告)号：US20240195495A1
公开(公告)日：2024-06-13
申请号：US18078868
申请日：2022-12-09
Applicant: Cisco Technology, Inc.
Inventor： Ali Sajassi , Arman Rezaee
IPC: H04B7/185 , H04B10/118
CPC classification number: H04B7/18584 , H04B7/18521 , H04B10/118
Abstract: Described herein are techniques for routing communications to a destination node within a LEO satellite network. The techniques may comprise receiving, at a satellite node in a network of satellites, a communication directed to an address for a destination satellite, determining whether the satellite node is the destination satellite, upon determining that the satellite node is the destination satellite, transmitting the communication to a ground station in communication range of the satellite node, and upon determining that the satellite node is not the destination satellite: identifying, via a local routing table, a second satellite node associated with the address for the destination satellite, and forwarding the communication to the second satellite node.
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公开(公告)号：US11800422B2
公开(公告)日：2023-10-24
申请号：US17390445
申请日：2021-07-30
Applicant: Cisco Technology, Inc.
Inventor： Arman Rezaee , Ali Sajassi , Alessandro Erta , Elango Ganesan , Pradeep Kumar Kathail
CPC classification number: H04W36/30 , H04B7/18521 , H04B7/18541 , H04L45/50
Abstract: In one embodiment, an earthbound transceiver in a low earth orbit (LEO) satellite network establishes a connection with a first LEO satellite from a first set of LEO satellites. The first set of LEO satellites are distributed across a first plurality of orbits including first neighboring LEO satellites of the first LEO satellite, and the first neighboring LEO satellites have a fixed or semi-fixed position relative to the first LEO satellite. The earthbound transceiver determines first signal strength values associated with the first set of LEO satellites and second signal strength values associated with a second set of LEO satellites. The earthbound transceiver then periodically compares the first signal strength values to the second signal strength values. At an optimal handoff time, the earthbound transceiver initiates the handoff operation from the first LEO satellite to a second LEO satellite from the second set of LEO satellites.
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公开(公告)号：US20220369167A1
公开(公告)日：2022-11-17
申请号：US17815292
申请日：2022-07-27
Applicant: Cisco Technology, Inc.
Inventor： Pascal Thubert , Arman Rezaee
IPC: H04W28/18
Abstract: Optimal determination of wireless network pathway configurations may be provided. A computing device may receive an error profile and a response instruction associated with the error profile, as generated by a network controller. The computing device may then monitor, for an error, on a communication Track, in a network, between an ingress node and an egress node. Then, the computing device, upon detecting the error, can determine that the error is similar to the error profile, and based on the determination that the error is similar to the error profile, enact the response instruction. The response instruction can direct the computing device to switch from the communication Track to a communication subTrack between the ingress node and the egress node.
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Patent Agency Ranking
公开(公告)号：US20220225201A1
公开(公告)日：2022-07-14
申请号：US17390445
申请日：2021-07-30
Applicant: Cisco Technology, Inc.
Inventor： Arman Rezaee , Ali Sajassi , Alessandro Erta , Elango Ganesan , Pradeep Kumar Kathail
Abstract: In one embodiment, an earthbound transceiver in a low earth orbit (LEO) satellite network establishes a connection with a first LEO satellite from a first set of LEO satellites. The first set of LEO satellites are distributed across a first plurality of orbits including first neighboring LEO satellites of the first LEO satellite, and the first neighboring LEO satellites have a fixed or semi-fixed position relative to the first LEO satellite. The earthbound transceiver determines first signal strength values associated with the first set of LEO satellites and second signal strength values associated with a second set of LEO satellites. The earthbound transceiver then periodically compares the first signal strength values to the second signal strength values. At an optimal handoff time, the earthbound transceiver initiates the handoff operation from the first LEO satellite to a second LEO satellite from the second set of LEO satellites.
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公开(公告)号：US12245080B2
公开(公告)日：2025-03-04
申请号：US17591026
申请日：2022-02-02
Applicant: Cisco Technology, Inc.
Inventor： Ali Sajassi , Arman Rezaee , Pradeep Kumar Kathail
Abstract: According to an embodiment, a node comprises one or more processors operable to execute instructions to cause the node to perform operations. The operations comprise determining a link quality associated with each satellite link of a plurality of satellite links and applying load balancing to the plurality of satellite links. The load balancing is based at least in part on the respective link quality associated with each satellite link. The load balancing comprises determining which of the satellite links to include in an active set selected to communicate data to or from the node and, for each satellite link in the active set, determining a portion of the data to communicate via the respective satellite link. The operations further comprise transmitting or receiving the data via the satellite links in the active set. Each satellite link in the active set communicates its respective portion of the data.
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公开(公告)号：US20240195490A1
公开(公告)日：2024-06-13
申请号：US18078838
申请日：2022-12-09
Applicant: Cisco Technology, Inc.
Inventor： Ali Sajassi , Arman Rezaee , Pradeep Kumar Kathail
CPC classification number: H04B7/18523 , H04W64/003 , H04W40/20
Abstract: Described herein are techniques for implementing a low earth orbit (LEO) satellite network and routing communications (e.g., packets) over that network. In embodiments, the techniques may comprise receiving, at a first ground station computing device, a request to determine destination information for a communication, determining, at the first ground station computing device based on information about the communication, a target computing device to which the communication is to be routed, determining, at the first ground station computing based on the target computing device, a location of a destination ground station, determining, at the first ground station computing by mapping orbital data to the location of the destination ground station, a destination satellite, generating the destination information to include at least an address for the destination satellite, and providing the destination information in response to the request.
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公开(公告)号：US11743774B2
公开(公告)日：2023-08-29
申请号：US17815292
申请日：2022-07-27
Applicant: Cisco Technology, Inc.
Inventor： Pascal Thubert , Arman Rezaee
IPC: H04W28/18
CPC classification number: H04W28/18
Abstract: Optimal determination of wireless network pathway configurations may be provided. A computing device may receive an error profile and a response instruction associated with the error profile, as generated by a network controller. The computing device may then monitor, for an error, on a communication Track, in a network, between an ingress node and an egress node. Then, the computing device, upon detecting the error, can determine that the error is similar to the error profile, and based on the determination that the error is similar to the error profile, enact the response instruction. The response instruction can direct the computing device to switch from the communication Track to a communication subTrack between the ingress node and the egress node.
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公开(公告)号：US11463916B2
公开(公告)日：2022-10-04
申请号：US17145201
申请日：2021-01-08
Applicant: Cisco Technology, Inc.
Inventor： Pascal Thubert , Arman Rezaee
IPC: H04W28/18
Abstract: Optimal determination of wireless network pathway configurations may be provided. A computing device may receive an error profile and a response instruction associated with the error profile, as generated by a network controller. The computing device may then monitor, for an error, on a communication Track, in a network, between an ingress node and an egress node. Then, the computing device, upon detecting the error, can determine that the error is similar to the error profile, and based on the determination that the error is similar to the error profile, enact the response instruction. The response instruction can direct the computing device to switch from the communication Track to a communication subTrack between the ingress node and the egress node.
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