2020年白皮书:《5G网络的开放生态》
40页1、 Open5G 5G网络的开放生态 1 Executive Summary Three key application scenarios in 5G break the boundaries of communication between human beings in traditional mobile communications forcing 5G to support communication of human to machine and machine to machine However various application scenarios and requirements together with emergingly diversified standards and technologies call for an open 5G Open5G network which is featured with flexibility and customization This white paper investigates the concepts
2、 challenges and opportunities of Open5G network The main contributions of this white paper is summarized as follows 1 Key concepts of Open5G upon analyzing the technical requirements the concept of open networks is provided from three different open levels namely black box white box and gray box networks Specifically black box open networks provide third party applications or developers with supporting services and key network capabilities via open application programming interface API White box
3、 open networks refer to the fully open network which includes open source software developing and white boxing hardware design The gray box network is an partial open network where telecom operators and the equipment manufacturers cooperatively design the customized network devices Then the overall objectives of open network architecture are figured out Driven by developing requirements open network architecture should decouple network capability providers and solution providers enabling the for
4、mer to effectively design network architectures with finite resources and reducing the dependence of the latter on the technical details 2 Enabling technologies of Open5G for open core network 3GPP 5G service based architecture is discussed and then MulteFire based base station and open core network adopting distributed managements is provided Centralized unit distributed unit CU DU architecture of open radio access network is discussed featured with open CU open API to DU and white boxing remot
5、e radio unit active antenna unit RRU AAU After defining the open terminal from the view of equipment capability and openness an open terminal architecture is given including open software hardware resource architecture and open configuration and management layer The open methods of physical layer are open API to facilitate end to end network slices and software defined air interface SDAI Meanwhile based on software defined radio and SDAI an open smart physical layer architecture is proposed Upon
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