Abstract
The fifth-generation (5G) network has special communication and security requirements including high reliability, low latency, precise automatic control, secure covert transmission, and evidence traceability. The 5G network combined with blockchain technology just meets this demand, so it is driving a rapidly growing volume of patent applications. This study proposes application scenarios, architecture diagrams, and patent analysis methods for blockchain-based 5G network technologies, beginning with a network architecture using mobile edge computing (MEC) and blockchain as independent platform components to solve MEC load pressure. In the patent analysis, a patent cluster map of blockchain-based 5G networks is proposed to analyze the intersection of technical application fields. The bottleneck period of technological development is presented for leading countries and enterprises in the technological development of blockchain-based 5G network, highlighting relative advantages and disadvantages. Specifically, to extract the core international patent classification (IPC) key technologies and their mutual interrelatedness, we use network topology analysis to establish an IPC network topology diagram through node global and local topology characteristics, thus revealing hotspots of IPC technology research and the characteristics of the technology relationship system. The findings provide a very useful reference for the formulation of government strategy to assist in the implementation and development of blockchain-based 5G network technologies for future smart cities.
Highlights
Fifth-generation (5G) mobile communication technologies promise high data throughput rates, low latency, and massive access, allowing for the rollout of user-centric 5G services to meet the growing needs and expectations of wireless internet users [1,2,3]. 5G provides data computing and high-speed transmission for massive connections to support heterogeneous Internet of Things (IoT) devices
Research technology terms related to 5G network typically include array antenna, multi-carrier, multiplexing technology, super-dense network, software-defined, self-defense networks, optics, semiconductors, nanostructures, virtualization, slice, cloud computing, edge computing, software-defined network, network virtualization, network slice, and D2D network
The 5G network is an accelerator for blockchain, and blockchain is a form of body armor for the 5G network
Summary
Fifth-generation (5G) mobile communication technologies promise high data throughput rates, low latency, and massive access, allowing for the rollout of user-centric 5G services to meet the growing needs and expectations of wireless internet users [1,2,3]. 5G provides data computing and high-speed transmission for massive connections to support heterogeneous Internet of Things (IoT) devices. Fifth-generation (5G) mobile communication technologies promise high data throughput rates, low latency, and massive access, allowing for the rollout of user-centric 5G services to meet the growing needs and expectations of wireless internet users [1,2,3]. Blockchain allows many different devices to coexist and interoperate in a transparent, safe, and friendly manner [4]. This new infrastructure paradigm can help resolve issues related to device registration and authentication, energy security transactions, and data traceability, compensating for some critical shortcomings in 5G technology [5]. The use of blockchain can help promote the efficient development of 5G applications, optimizing the underlying 5G network security communication technology [6,7]. The use of 5G technology can effectively improve the data processing rate of the blockchain, reducing user’s response times while increasing transaction frequencies [11,12]
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