Beam hopping resource allocation method based on attention and dual depth Q network

By adopting the beam hopping resource allocation method based on attention and dual deep Q networks in low-orbit satellite communication systems, the problem of uneven beam resource allocation under dynamic changes in ground traffic demand is solved, and efficient resource utilization and communication performance improvement is achieved.

CN119652394APending Publication Date: 2025-03-18HARBIN INST OF TECH
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Patent Information

Application Number
CN202411852030.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

Under the highly dynamic ground flow requirements, existing low-orbit satellite communication systems have problems such as uneven beam resource allocation, low communication efficiency and poor communication performance.

Method used

Using the beam hopping resource allocation method based on attention and dual depth Q networks, by constructing a multi-beam low-orbit satellite communication system model, the signal-to-reset station generates a beam hopping plan based on the dual depth Q network, and the low-orbit satellites allocate beam hopping resources according to the schedule.

Benefits of technology

It realizes highly adaptive beam configuration, solves the problem of uneven beam resource allocation, improves resource utilization and communication efficiency, and improves the anti-interference ability and communication performance of the system.

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Abstract

The invention discloses a hopping beam resource allocation method based on attention and a dual depth Q network, and belongs to the technical field of hopping beam resource allocation. According to the invention, the problems of non-uniform beam resource allocation, low communication efficiency and poor communication performance in the existing low-orbit satellite communication system under a highly dynamic ground flow demand are solved. The method specifically comprises the following steps: step 1, constructing a multi-beam low-orbit satellite communication system model comprising a gateway station, a low-orbit satellite and a ground terminal; step 2, establishing a target function according to a service request of a ground terminal; step 3, the gateway station generates a beam jump schedule based on the dual depth Q network, and a reward function adopted in the training process of the dual depth Q network is designed according to a target function; and step 4, the low-orbit satellites perform hopping beam resource allocation according to the beam hopping schedule. The method provided by the invention can be applied to hopping beam resource allocation.
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