Typical application scenarios of 5g forward transmission include optical fiber direct connection, wavelength division multiplexing and other active transmission technologies. Among them, WDM technology can multiplex multiple wavelengths in a single fiber. The overall advantages are large capacity and saving fiber resources, but the disadvantages are high cost and large link budget. It can be subdivided into passive WDM, semi-active WDM and active WDM.
In the initial stage of 5g deployment, the forward transmission will be mainly based on optical fiber direct connection and passive WDM. In the future, with the gradual expansion of network deployment scale, especially the scale application of cran small centralized and large centralized deployment mode, the proportion of deployment based on semi-active WDM will be significantly increased.
5g's demand for high-performance and low-cost optical modules continues to exist. Technological innovation and industrial chain aggregation are two effective means. The upstream and downstream of the industrial chain and all parties in the industry need to form a joint force. On the basis of evaluating the actual application scenarios and transmission distance requirements, the rationalization, generalization and localization industry chain should be established, and the focus should be promoted from the aspects of standards and specifications, test verification and evaluation mechanism.
The rapid development of 5g network construction has brought opportunities and vitality to the optical module market. It is expected that the coexistence and development trend of 5g optical module diversified technology solutions will continue in the short term. If there are too many branches, problems such as repeated development, resource waste and market fragmentation will be brought about, which will affect the coordinated development of industrial chain to a certain extent.
In order to minimize the potential impact of parallel solutions, it is suggested that 5g forwarding related industries should consider deployment requirements, transmission performance optimization, low-cost construction, convenient operation and maintenance management, and benign development of industrial chain, strengthen the collaborative promotion of common technologies from the standard level, unify the management and control model and operation management and maintenance (OAM) mechanism, and further optimize and improve the production The industry development pattern enables the industry resources to be orderly allocated, and the cost can be reduced through the scale effect.
