In the past decade, mobile communications have exerted a profound effect on people's lifestyle, have improved efficiency of entire societies, and have enriched emotional interaction. Wireless communication networks have provided an unprecedented user experience that ensures connections anytime and anywhere, and therefore have built an interconnected world.

Each major industry innovation will boost the rapid development of social civilization. The development of mobile communication technologies is one of the most typical embodiments of the evolution of human civilization. In 2007, Huawei launched its SingleRAN Solution, which had significantly changed network deployment and management on the radio access network side. For the first time, the Huawei SingleRAN Solution proposed four "Ones" including: "One Radio", "One BBU", "One Transport", and "One O&M". These emphasized that this solution aims to help mobile  operators easily implement integrated deployment, smooth evolution, and efficient operation of networks that work in GSM, UMTS, and LTE modes.

The last ten years have witnessed the rapid development of mobile communications. Multiple network modes have been put into use, including 2G, 3G, 4G, and 4.5G, which lay a solid foundation for the emergence of 5G in the future. Besides basic services such as voice, text messages, and Internet browsing, diversified new services have been provided to meet increasing demand, such as HD videos, virtual reality (VR), automatic driving, and Internet of Things (IoT).

The long-term coexistence of multiple technologies, services, and business modes will be an important driving force behind the network architecture evolution. Firstly, the long-term coexistence of diversified access technologies such as 3G, 4G, 5G, and Wi-Fi, using unauthorized spectrums, will increase network complexity and require unified network architecture. Secondly, future mobile networks must provide multiple types of services that have significantly divergent requirements for network performance indicators such as rates, connections, and delay, and therefore require unified network architecture that meets different service requirements. Thirdly, multiple types of services are provided using differentiated business modes and require unified network architecture to facilitate capacity expansion and quick delivering for services.

In 2016, Huawei launched its CloudRAN Solution, which aimed to reconstruct wireless networks using cloud strategies to cater for the trend of digital transformation and help customers achieve commercial success.

CloudRAN is a regional-level solution, The core value of this solution is to effectively coordinate all resources to meet diversified demands and provide services for all sorts of industries using different frequency bands that work in different modes of multiple sites in a region.

Yang Chaobin, CMO of Huawei Wireless Network highlighted: "Based on operators' network requirements, Huawei is continuously innovating and carrying out in-depth research, and has proposed the CloudRAN Solution to help operators effectively facilitate new service provisions and implement open cooperation and innovation."