The use of unmanned aircraft systems(UAS)for critical public service missions by public organizations,local governments,and social users is expanding.Robust radio transmission by unmanned aerial vehicles(UAVs)is indis...The use of unmanned aircraft systems(UAS)for critical public service missions by public organizations,local governments,and social users is expanding.Robust radio transmission by unmanned aerial vehicles(UAVs)is indispensable in these applications.One of the standards suitable for UAV wireless communications is local 5G.However,to introduce local 5G into a UAS,several problems specific to UASes must be solved.Challenges include the deterioration of the signal-to-noise ratio due to topography and obstacles,the uncertainty of the communication environment due to the movement of multiple UAVs,and the limitation of the frequency bandwidth.To address these problems and to introduce local 5G into the UAS,we propose a novel communication scheduling method.The method incorporates transmission modes with diversity.Our evaluations shows that total data volumes increase by 1.9~3 times with the proposed scheduling method compared with transmission without diversity or efficient scheduling.展开更多
基金Part of this work was conducted under a national project,Research and Development of Communication Network Technology for Ef☀-cient Use of Frequency in Unmanned Aircraft Systems,which was supported by the Ministry of Internal Affairs and Communications(MIC),Japan,and this project was supported by the KDDI Foundation,Japan.The associate editor coordinating the review of this paper and approving it for publication was L.Bai.
文摘The use of unmanned aircraft systems(UAS)for critical public service missions by public organizations,local governments,and social users is expanding.Robust radio transmission by unmanned aerial vehicles(UAVs)is indispensable in these applications.One of the standards suitable for UAV wireless communications is local 5G.However,to introduce local 5G into a UAS,several problems specific to UASes must be solved.Challenges include the deterioration of the signal-to-noise ratio due to topography and obstacles,the uncertainty of the communication environment due to the movement of multiple UAVs,and the limitation of the frequency bandwidth.To address these problems and to introduce local 5G into the UAS,we propose a novel communication scheduling method.The method incorporates transmission modes with diversity.Our evaluations shows that total data volumes increase by 1.9~3 times with the proposed scheduling method compared with transmission without diversity or efficient scheduling.
