Shulou(Shulou.com)11/24 Report--

CTOnews.com reported on March 2 that MWC 2023 was held in Barcelona, Spain, from February 27 to March 2. At the summit of "stepping into the 5.5G era hand in hand" held during this period, Yang Chaobin, senior vice president of Huawei and president of ICT products and solutions, said that 6G is still in the early research stage, so 5.5G is the only way for the next upgrade and evolution of 5G network, and the industry is accelerating to form a consensus on this.

According to reports, 5.5G has started the process of standardization. 5.5G technical specifications will be defined through the three versions of 3GPP Release18, Release19 and Release20, which will continue to enrich the technical connotation of 5.5G. The version of Release18 will be frozen in H1 in 2024; F5.5G has landed the standard design from the industry initiative. ETSI issued a white paper on F5G Advanced in September last year, and the first standard version of F5.5G, Release3, which is the leading definition, will be frozen in H1 in 2024. IETF and IEEE also comprehensively carry out the first phase of Net5.5G related standards work such as SRv6, Wi-Fi 7, 800GE, etc., and the relevant standards will be fully released in 2024.

Yang Chaobin pointed out that spectrum resources are the cornerstone of wireless networks, and the 5.5g industry jointly promotes Sub 100GHz spectrum towards NR: on the one hand, the current stock spectrum is gradually moving towards 5.5G through spectrum re-ploughing and on-demand integration; on the other hand, it jointly promotes the commercial use of millimeter wave and U6GHz super-bandwidth spectrum to provide resource guarantee for 5.5G.

During this conference, GSMA led industry partners to form 5.5g Community,WBBA (World Broadband Association), which was officially established in 2022 and issued a Next Generation Broadband Roadmap white paper for F5.5G, while OMDIA issued a Net5.5G white paper in September last year, aligning industry goals from technology evolution, application scenarios, industrial ecology, etc., to align the industry pace and speed up the commercial process. In addition, 5.5G will realize the on-demand integration of existing resources in 5G network through key technologies such as stock spectrum re-ploughing and equipment multi-mode multiplexing, gradually evolve smoothly to 5.5G, and fully protect the existing investment of operators.

CTOnews.com learned from Huawei officials that Yang Chaobin said that with the joint efforts of the industry, a number of key technologies of 5.5G have made breakthroughs. Innovative technologies such as very large scale Antenna Array (ELAA) and Virtual large Carrier Reconstruction of discontinuous Spectrum (MBSC) of wireless networks have been verified by many operators around the world, bringing 5.5 G 10 Gigabit capabilities to reality. In the F5.5G fixed network, 50G PON has been standardized by ITU-T into the next generation PON. The key technologies such as uplink and downlink symmetry and multi-mode integration are becoming more and more mature, which lays the foundation for the smooth upgrade and evolution of F5G to F5.5G. The development of 5.5g / F5.5G drives IP network upgrade and turns on Net5.5G. Net5.5G continues to enhance in the ultra-wide 800GE, end-to-end IPv6+, intelligence, security, delay and other aspects, bringing new capabilities, new products and new opportunities for operators, stimulating the sustained growth of operators. Data show that by the end of 2022, the number of global 5G users has exceeded 1 billion, the number of gigabit broadband users has reached 100 million, and there are more than 20,000 applications in 5G industry.

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