A novel microstrip dual-band EBG has been proposed together with design alternatives for flexible system accommodation. Based on a previously proposed EBG, the structure of the DB-EBG is designed first and then optimized by means of a full-capable simulator based on the 3D FDTD method. The DB-EBG was also fabricated and its reflection/transmission characteristics were measured for validation purposes. The very good agreement between the numerical simulations and experiments shows the power of this design approach.
This paper presents the evaluation of the quality of service parameters provided by the network slicing approach for 5G networks based on a software-defined networking environment. The open source controller Floodlight made bandwidth allocation decisions by assigning network slices to user profiles on particular topologies. The objective is to control the bandwidth resources that allow to guarantee latency and reliability values according to the type of service in a sliced 5G network. Thus, it was possible to demonstrate the versatility and scalability of the Floodlight controller, which reduced the loss rate by 10% in a congested network and ensured delays of less than 700ms in applications such as VoIP and video streaming sharing a channel with a limited bit rate of 5 Mbps.
This paper reviews the concepts and characteristics of Software Defined Radio (SDR), focusing on the problematics of the wireless sensor networks in their fields of application; this with the purpose of finding opportunities to implement SDR functionalities to solve the requirements within the environment of a wireless sensor network.
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