Core Network

How Can China’s Satellite Network Avoid Risks Amid Frequent Outages of Musk’s Starlink?

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How Can China's Satellite Network Avoid Risks Amid Frequent Outages of Musk's Starlink?

Author: Xie Ying Since July of this year, Starlink, the satellite internet service operated by Elon Musk’s SpaceX, has experienced large-scale network outages, exposing technical and operational shortcomings during its rapid expansion. As the world’s largest low Earth orbit satellite internet provider, covering 140 countries and serving 6 million users, Starlink’s failures have not only … Read more

MWC 2018 Observations: Device Manufacturers Drive 5G Technology, Operators Propel 5G Maturity

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MWC 2018 Observations: Device Manufacturers Drive 5G Technology, Operators Propel 5G Maturity

Wu Chao,S1440513090003 (Release Date:2018.03.05) MWC 2018 has concluded, and we can observe the development strategies of various manufacturers from their displays and presentations. Below is a summary of the most important aspects from each company: [ZTE]: In collaboration with China Mobile and Qualcomm, demonstrated the world’s first 3GPP-standard based IoDT testing; [Huawei]: Released Huawei’s first … Read more

Research on Enhanced Mobile Core Network Technology Supporting NB-IoT High Orbit Satellite IMS Voice Calls

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With the rapid development and promotion of direct satellite services for mobile phones, the demand for voice communication among satellite terminal users is continuously increasing. Currently, in areas without ground base station signal coverage, voice services rely on high orbit satellites, which have very limited bandwidth. There is an urgent need to enhance core network … Read more

The Strongest Core Network Architecture Diagram

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The Strongest Core Network Architecture Diagram

Hello everyone, I am Xiaozhao Jun. Today, I saw a very shocking diagram in the WeChat group: Those who are in the know should understand. This is the diagram of the entire mobile communication network architecture and protocol specifications by 3GPP. In simpler terms, it is the complete architecture diagram of the core network from … Read more

How the First Nationwide NB-IoT Network Was Built

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How the First Nationwide NB-IoT Network Was Built

On February 12, a piece of news from the Yingtan Daily shook the communications industry. As of January 22 at 12:00, China Mobile Yingtan Branch successfully completed the construction and launch of the NB-IoT network covering the entire Yingtan city, marking the successful establishment of the first city-level NB-IoT network fully covering a city in … Read more

The Most Powerful: Core Network Topology Diagram

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The Most Powerful: Core Network Topology Diagram

Today, I saw a stunning diagram in a WeChat group: Those who are knowledgeable should understand. This is the diagram of the entire mobile communication network architecture and protocol specifications from 3GPP. In simpler terms, it is the complete architecture diagram of the core network from 2G to 5G. It showcases almost all network elements, … Read more