Next Generation Mobile Networks Alliance

Description

The Next Generation Mobile Networks (NGMN) Alliance is not a 3GPP standard itself, but a highly influential industry consortium that shapes the direction of 3GPP standardization. It operates as a forum where leading mobile network operators, technology vendors, and academic institutions collaborate to define common visions and requirements for future mobile network generations. The NGMN output takes the form of detailed white papers, technical requirements documents, and trial specifications, which are formally submitted as contributions to 3GPP and other standards bodies.

NGMN works by establishing project groups focused on specific technology areas, such as 5G, green future networks, or disaggregated operations. These groups conduct extensive research, proof-of-concept testing, and analysis to identify key challenges and opportunities. They then distill this work into concrete, consensus-based requirements for performance (e.g., data rates, latency), architecture (e.g., network slicing, cloud-native principles), operational efficiency, and service enablement. These requirements are designed to be implementable and to address the holistic business and technical needs of the global operator community.

Its role in the 3GPP ecosystem is that of a primary requirements driver and validation body. Landmark NGMN deliverables, such as the '5G White Paper' and the 'NGMN 5G Requirements and Architecture' documents, directly formed the foundation for 3GPP's 5G system specifications (e.g., TS 22.261 on service requirements). By providing a unified operator voice, NGMN ensures that 3GPP standards are not just technically sound but also commercially viable, interoperable, and capable of supporting the diverse use cases—from enhanced mobile broadband to massive IoT and critical communications—that define modern networks.

Purpose & Motivation

The NGMN Alliance was founded in 2006 by a group of global operators to address the fragmentation and inefficiency in pre-4G network evolution. Prior to NGMN, the path to new network generations was often driven by individual vendor roadmaps or regional standards bodies, leading to incompatible technologies and slowing global innovation. The core problem was the lack of a unified, operator-led vision to guide the entire industry.

Its creation was motivated by the desire to create a single, strong voice for network operators to articulate their common requirements to vendors and standards developers. This ensures that the resulting technologies, primarily standardized in 3GPP, are aligned with real-world deployment scenarios, cost structures, and service portfolios. NGMN solves the problem of misalignment between research, standardization, and commercial deployment by fostering pre-competitive collaboration on system-level concepts.

Historically, NGMN's work on defining the requirements for LTE-Advanced and, most significantly, 5G, has been instrumental. It provided the crucial link between high-level use case visions (e.g., the ITU's IMT-2020) and the detailed technical specifications developed in 3GPP. By doing so, it accelerated the standardization process, reduced market uncertainty, and helped achieve a globally harmonized and successful rollout of 4G and 5G technologies.

Key Features

• Operator-led definition of system requirements for next-generation networks
• Development of end-to-end architecture visions and recommendations
• Conducts proof-of-concept and trial projects to validate technologies
• Fosters industry-wide collaboration on pre-competitive challenges
• Provides key input documents to 3GPP and other SDOs
• Focuses on total cost of ownership, energy efficiency, and operational excellence

Evolution Across Releases

Defining Specifications