ZiLOG日前推出针对通用红外遥控(UIR)应用产品开发的整体解决方案,名为Remote on a Chip.该方案不仅仅提供包括Crimzon系列8位微控制器在内的芯片组,也为客户提供一个红外线代码集数据库、一套完整的开发工具、定制固件和软件、专家设...ZiLOG日前推出针对通用红外遥控(UIR)应用产品开发的整体解决方案,名为Remote on a Chip.该方案不仅仅提供包括Crimzon系列8位微控制器在内的芯片组,也为客户提供一个红外线代码集数据库、一套完整的开发工具、定制固件和软件、专家设计和工程资源,从而可以帮助客户使其产品能够更快地上市并且更具成本效益.展开更多
With the exponential growth of maritime wireless devices and the rapid development of maritime applications,traditional maritime communication networks encounter communication and computation limitations in supporting...With the exponential growth of maritime wireless devices and the rapid development of maritime applications,traditional maritime communication networks encounter communication and computation limitations in supporting computation-intensive and latency-critical tasks.Edge computing and Intelligent Reflecting Surface(IRS)have emerged as promising techniques to improve communication and computation services for maritime devices with limited computation capabilities and battery capacity.This paper studies an IRS Mounted on Unmanned Aerial Vehicle(UIRS)assisted maritime edge computing network,in which the UIRS is deployed to assist the transmission from Unmanned Surface Vehicles(USVs)to the edge server via Non-Orthogonal Multiple Access(NOMA)protocol.We propose a resource management and trajectory optimization scheme by jointly optimizing subslot duration,offloading ratios,transmit power,edge computation capability allocation,UIRS phase shifts and UIRS trajectory,aiming at minimizing the overall energy consumption.Since the non-convex nature of the optimization problem,we propose a two-layered method by decomposing the original problem into two subproblems.The top-layered subproblem is solved by the Semi-Definite Relaxation(SDR)method and the underlying-layered subproblem is solved by the Deep Deterministic Policy Gradient(DDPG)algorithm.Numerical results demonstrate that our proposed scheme can effectively and efficiently reduce overall energy consumption.展开更多
文摘ZiLOG日前推出针对通用红外遥控(UIR)应用产品开发的整体解决方案,名为Remote on a Chip.该方案不仅仅提供包括Crimzon系列8位微控制器在内的芯片组,也为客户提供一个红外线代码集数据库、一套完整的开发工具、定制固件和软件、专家设计和工程资源,从而可以帮助客户使其产品能够更快地上市并且更具成本效益.
基金supported in part by the National Natural Science Foundation of China(Nos.62371085,51939001,62122069,and 62071431)in part by the Fundamental Research Funds for the Central Universities(No.3132023514).
文摘With the exponential growth of maritime wireless devices and the rapid development of maritime applications,traditional maritime communication networks encounter communication and computation limitations in supporting computation-intensive and latency-critical tasks.Edge computing and Intelligent Reflecting Surface(IRS)have emerged as promising techniques to improve communication and computation services for maritime devices with limited computation capabilities and battery capacity.This paper studies an IRS Mounted on Unmanned Aerial Vehicle(UIRS)assisted maritime edge computing network,in which the UIRS is deployed to assist the transmission from Unmanned Surface Vehicles(USVs)to the edge server via Non-Orthogonal Multiple Access(NOMA)protocol.We propose a resource management and trajectory optimization scheme by jointly optimizing subslot duration,offloading ratios,transmit power,edge computation capability allocation,UIRS phase shifts and UIRS trajectory,aiming at minimizing the overall energy consumption.Since the non-convex nature of the optimization problem,we propose a two-layered method by decomposing the original problem into two subproblems.The top-layered subproblem is solved by the Semi-Definite Relaxation(SDR)method and the underlying-layered subproblem is solved by the Deep Deterministic Policy Gradient(DDPG)algorithm.Numerical results demonstrate that our proposed scheme can effectively and efficiently reduce overall energy consumption.
