Abstract

The 5G network is designed to meet the needs of more flexible and diversified services such as Extreme Mobile broadband (eMBB), Massive Machine-Type Communication (mMTC), and Ultra-Reliable Low-Latency Communication (URLLC). The spectrum below 6GHz is insufficient to be used by the upcoming 5G services; therefore, researchers are looking to higher frequency bands, such as 6-10GHz, or even higher 20-60GHz, which belongs to extremely high frequency. The 5G transmission system is designed to comply with the concept of frontend and backend softwarization. 3GPP proposed a software-oriented network slicing technology to meet the requirements of various service scenarios more flexibly. This study used the mmWave of 20-30GHz / 30-40GHz as the experimental frequency band and used the waveform simulator, SystemVue, to generate CP-OFDM and DFT-s-OFDM waveforms. We built a flexible platform using Software-Defined Network (SDN) from end-user to the core network by integrating waveforms, mmWave, and Network Function Virtualization (NFV) to realize the versatile design of architecture and resource allocation of the 5G core network.

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