3GPP Version 19: The Evolution of Mobile Standards

The development of 3GPP Release 19 ($\text{Rel-19}$) marks a pivotal milestone in the trajectory of mobile connectivity. As the second iteration of the 5G-Advanced era, this release is scheduled to have its fully implementable specifications finalized by the end of December 2025.

Strategic Objectives and Future Roadmap

$\text{Rel-19}$ is designed as a strategic bridge, blending innovation with continuity. It solidifies the advancements made in previous cycles while preparing the industry for the next leap in technology.

The Path to 6G

While $\text{Rel-19}$ concludes the current phase, the momentum continues into Release 20 (planned for 2026). The focus for $\text{Rel-20}$ will be twofold:

1. Commercial Optimization: Addressing the immediate needs of active 5G deployments.
2. 6G Foundations: Initiating the primary studies for the sixth generation, specifically focusing on:
   • System Architecture
   • Security Frameworks
   • Radio Evolution
   • Future Use Case Requirements

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Documentation and Resources

Detailed insights into the scope of this release can be found in the technical report TR 21.919.

Note: To access the full PDF of TR 21.919, users should navigate to the versions tab and select the most recent iteration.

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Development Timeline and Process

The roadmap for $\text{Rel-19}$ was not created in isolation but through extensive global collaboration.

Key Milestones

• January 2023: TSDSI Workshops held to discuss the transition from 5G toward 6G.
• TSGs#100: Plenary sessions commenced the decision-making process for $\text{Rel-19}$ content.
• Taipei Workshops: Over 500 presentations were submitted to define the technical scope.
• December 2023: Final content was ratified at the TSGs (#102).

Monitoring Progress

The evolution of the release is tracked via the Work Plan. https://www.3gpp.org/specifications/work-plan

# To monitor Rel-19 growth:
# 1. Visit 3GPP Specifications portal
# 2. Navigate to 'Work Plan'
# 3. Filter by Release 19

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Branding: The '5G-Advanced' Identity

The official 5G-Advanced logo is a staple of $\text{Rel-19}$ deliverables. This branding is not merely aesthetic but serves a functional purpose within the industry.

Historical Context of Markers: The decision to implement this specific marker was finalized during the PCG#46-e Meeting in April 2021. Since the conclusion of early LTE work in 2008, the Project Coordination Group (PCG) has utilized distinct markers to:

• Blur the lines between versions $\rightarrow$ Distinguish new capabilities.
• Clarify service offerings for partners and customers.
• Provide a common vocabulary for the 3GPP community.

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3GPP Organizational Framework

The ecosystem supporting $\text{Rel-19}$ is composed of various specialized groups and administrative bodies:

Technical Specification Groups (TSGs)

• Core Network Terminals (CT): Including WGs 1, 3, 4, and 6.
• Radio Access Networks (RAN): Including WGs 1, 2, 3, 4, 5, and AH1.
• Service System Aspects (SA): Including WGs 1, 2, 3, 4, 5, and 6.

Administrative and Support Structures

• Project Coordination Group (PCG): Handles membership, funding, and legal matters.
• Mobile Competence Centre (MCC): Manages task forces and vacancies.
• Delegates Corner: Provides guidance on working procedures, elections, and technical votes.

Specification Management

The 3GPP portal allows users to browse technologies by series or TSG, manage Change Requests (via a step-by-step process), and track the numbering schemes for Technical Specifications (TS) and Technical Reports (TR).

Release History Archive: $\text{Rel-19}$ is part of a long lineage of standards, spanning from the original $\text{Rel-1999}$ through $\text{Rel-4}$ $\dots$ $\text{Rel-18}$, and looking forward to $\text{Rel-20}$ and $\text{Rel-21}$.

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Get Involved: 3GPP encourages industry participation through its global partnership. Interested parties can explore "How We Work," join a group, or subscribe to the 3GPP Highlights newsletter.