H2D-DDQN：跨域通信最佳中继选择策略

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中图分类号：TN919.23 文献标志码：A文章编号：1003-3114（2025）-06-1253-09

Abstract：Insaairo-doaincomuication，forationtrasmissionisasilydisturbedbytheviontrsingin unstablecommunicationquality.Existingrelayselectionalgoritmsaredificult toadapttosuchchanges inthecomplexandchaging seaandairenvironments，thusectingthestabilityofcomunicationToaddressthesechallnges，thispaperproposesaniproved optimalNext-hopRelaySelectionforCrossSea-AirOpticalCommuncationvia Hop-to-DestinationaidedDoubleDeepQ-Network （H2D-DDQN）fortrans-seaandairboreopticalcommunicationsbasedonDouble DeepQ-Network（DDQN），whichutilizesamphibiousunmannedaerialvehiclecomunicationsinseaandairenvironments，imingtoenhancethestabiltyofiformationtransmsionin dynamicenviromentsAGatedRecurentUnit（GRU）isintroducedtoenhancethemodel'sabilitytoprocesstimingataadacascadingrewardmechanismisintroduced.Inaditionaherarchicaldivergenceagleajustentmechanismisdesignedtoaly adjusthelasedivergenceangleaccodingtotesparsityofteodes.eefctivenssandfeasibilityofteproosdstategough simulation and practical tests，and the packet delivery rate reaches 99.5% and 98.6% ，respectively.

Keywords：cro-sea-airmedum；blue-grenlaser;GRU；hierarchicaldivergenceangleadjustmentmechanism；relayselection

0 引言

随着6G时代的到来，海空跨域通信需求日益增长[1-2]，这导致水下与空中之间的高效信息传输成为了一大难题。（剩余13603字）