Through this initiative, Fujitsu, NEC, and NEDO will accelerate the global reach of base station equipment that conforms to O-RAN specifications, and contribute to stimulating growth and innovation in the open 5G market.
1. Summary
With the start of 5G commercial services in various countries, post 5G(2) with enhanced functions such as ultra-low latency and multiple simultaneous connections is expected to be used in a variety of industries, such as automobile factories. It is expected that the technologies that realize these functions will serve as the core of
In recent years, base station equipment has become more open due to O-RAN fronthaul interface specifications(3) formulated by the
Under these circumstances, NEDO commissioned Fujitsu and NEC to conduct R&D on assessment and verification technologies for interoperability between base station equipment in the "Post 5G
Fujitsu and NEC have begun developing technologies to verify base station equipment interoperability at their respective facilities in the
2. Characteristics of technology for interoperability verification and establishment of a verification environment
1) Significantly improve the efficiency of interoperability verification
Fujitsu and NEC will combine their many years of experience and know-how in developing base station equipment compliant with O-RAN fronthaul interface specifications. The two companies will develop technologies to verify the interoperability of various vendors' equipment for O-RAN fronthaul. The technologies include FHA(5), P-DU(6), test scenario extraction tools(7), test parameter change tools(8), and validation result determination tools(9). Introducing these technologies into the verification environments of both companies' laboratories, will make it possible to significantly improve the efficiency of interoperability verification for different vendors' equipment.
2) Verification under conditions close to commercial environments
In this project, Fujitsu's lab in the
3. Future plans
Fujitsu and NEC will establish a verification environment using new technologies in their respective laboratories from August of this year, and will begin interoperability testing. The two companies will collaborate with carriers, equipment vendors, and governments in various countries and regions, aiming to significantly reduce the time required to conduct interoperability testing for base station equipment. The companies will also work with NEDO to support the global adoption and development of equipment that conforms to O-RAN specifications through this project, thereby contributing to the stimulation and growth of the open 5G market.
(1) Interoperability Testing: Evaluates and verifies the connectivity between base station equipment, whether maximum throughput can be achieved, and whether required throughput can be achieved even when multiple user devices are connected.
(2) Post 5G: 5G with enhanced functions such as ultra-low latency and multiple simultaneous connections.
(3) O-RAN Fronthaul interface: An open interface that connects CU/DU and RU formulated by
(4)
(5) FHA (FrontHaul Analyzer): The technology for verifying the normality of fronthaul protocols (M-Plane, CUS-Plane) in accordance with O-RAN specifications.
(6) P-DU (Pseudo-DU): The technology verifying the normality of the RU itself.
(7) Test scenario extraction tool: A tool that automatically extracts the best test scenario for each 5G network.
(8) Test parameter change tool: A tool that automatically extracts and changes test parameters for more efficient verification.
(9) Verification result determination tool: A tool that automatically checks pass or fail status of verification results.
About Fujitsu
Fujitsu is the leading Japanese information and communication technology (ICT) company offering a full range of technology products, solutions and services. Approximately 126,000 Fujitsu people support customers in more than 100 countries. We use our experience and the power of ICT to shape the future of society with our customers.
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