"全球移动通信GSM系统空口标准-UM详解"

The GSM air interface standard UM, also known as ETSI EN 300 940 V7.7.1 (2000-10), is a European Standard developed for the digital cellular telecommunications system Phase 2. This standard specifically focuses on the mobile radio interface layer 3 specification, as outlined in the GSM 04.08 version 7.7.1 Release 1998. The Global System for Mobile Communications (GSM) is a key aspect of this standard, aiming to provide a comprehensive framework for mobile communication. The ETSI EN 300 940 V7.7.1 standard plays a crucial role in defining the protocols and procedures for the GSM system's air interface. It covers various aspects of mobile communication, including signaling, network synchronization, handover procedures, and call setup. By adhering to this standard, network operators and equipment manufacturers can ensure seamless interoperability and efficient communication across different GSM networks. Key keywords associated with this standard include Digital cellular telecommunications system and Global System for Mobile communications (GSM), reflecting the focus on digital technology and global mobile network connectivity. The standardization of the GSM air interface helps to promote consistency and reliability in mobile communication services, benefiting both users and service providers. Overall, the GSM air interface standard UM represents a significant milestone in the evolution of mobile communication technology. Its detailed specifications and guidelines provide a solid foundation for the development and deployment of GSM networks, contributing to the widespread adoption of mobile communication services worldwide. Adherence to this standard is essential for ensuring the compatibility and functionality of GSM networks, making it an essential reference for industry professionals and stakeholders in the telecommunications sector.