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High-throughput satellite terminal beam switching method and device based on 5G core network

A technology of beam switching and core network, which is applied in the field of satellite communication, and can solve problems such as insufficient capacity to support communication needs, limited coverage of a single satellite, and beam switching

Active Publication Date: 2022-01-18
SPACE STAR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coverage of a single satellite is limited, and the capacity cannot support the communication needs, so it is necessary to combine satellites in different regions
These satellites form partially overlapping communication beams on the ground, so they must face the problem of beam switching

Method used

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  • High-throughput satellite terminal beam switching method and device based on 5G core network
  • High-throughput satellite terminal beam switching method and device based on 5G core network
  • High-throughput satellite terminal beam switching method and device based on 5G core network

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Embodiment 1

[0064] refer to figure 1 , showing a flow chart of steps of a method for switching beams of high-throughput satellite terminals based on a 5G core network provided by an embodiment of the present invention, as shown in figure 1 As shown, the method may include the following steps:

[0065] Step 101: Periodically receive the location information reported by the satellite terminal through the network management system, and judge whether the satellite terminal needs to perform beam switching according to the location information, and if necessary, notify the target network control center to prepare resources and notify the source Internet The gateway performs a switching preparation start command, and at the same time sends the satellite network data in the target Internet gateway.

[0066] The embodiments of the present invention can be applied to the scenario of switching beams of high-throughput satellite terminals in a 5G core network.

[0067] The embodiment of the present...

Embodiment 2

[0082] refer to Image 6 , which shows a schematic structural diagram of a 5G core network-based high-throughput satellite terminal beam switching device provided by an embodiment of the present invention, as shown in Image 6 As shown, the device can include the following modules:

[0083] The beam switching preparation module 610 is used to periodically receive the location information reported by the satellite terminal through the network management system, and judge whether the satellite terminal needs to perform beam switching according to the location information, and if necessary, notify the target network control center to perform resource switching. Prepare and notify the source Internet gateway to carry out the handover preparation start command, and at the same time send the satellite network data in the target Internet gateway;

[0084] The beam switching execution module 620 is configured to notify the satellite by sending a unicast satellite terminal information...

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Abstract

The invention discloses a high-throughput satellite terminal beam switching method and device based on a 5G core network. The method comprises the following steps: periodically receiving position information reported by a satellite terminal through a network management system, judging whether the satellite terminal needs to carry out beam switching or not according to the position information, if so, notifying a target network control center to carry out resource preparation, notifying a source Internet gateway to carry out a switching preparation start command; meanwhile, satellite network data in the target internet gateway are sent; after the switching preparation work is completed and the network management system receives a switching start confirmation message sent by the source internet gateway, the satellite terminal is notified to log in a specified target beam in a mode that a source network control center sends a unicast satellite terminal information message; and after the satellite terminal completes beam switching, the target network control center notifies the target Internet gateway that switching is completed through the network management system. According to the invention, beam switching and exception handling of the satellite terminal can be successfully completed.

Description

technical field [0001] The invention relates to the technical field of satellite communication, in particular to a method and device for switching beams of high-throughput satellite terminals based on a 5G core network. Background technique [0002] At present, satellite communication has the characteristics of wide coverage, wide frequency band, large capacity, and flexibility, and is an ideal solution. However, the coverage of a single satellite is limited, and the capacity cannot support communication needs, so it is necessary to combine satellites in different regions. These satellites form partially overlapping communication beams on the ground, so they must face the problem of beam switching. Contents of the invention [0003] The technical problem solved by the present invention is to overcome the deficiencies of the prior art and provide a high-throughput satellite terminal beam switching method and device based on the 5G core network. [0004] Technical solution...

Claims

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Application Information

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IPC IPC(8): H04B7/185H04W16/28H04W24/02H04W36/00H04W36/14H04W36/32
CPCH04B7/18513H04B7/18519H04W16/28H04W36/32H04W36/14H04W24/02H04W36/0079Y02D30/70
Inventor 刘海客吕枫王宏远郝晓强张华健
Owner SPACE STAR TECH CO LTD
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