Faysal Aziz5G RedCap
Linux Cellular Networking and Advanced Modem Integration
Why this course
Modern embedded systems, industrial IoT platforms, routers, gateways, and edge computing solutions increasingly rely on seamless integration between Linux operating systems and LTE/5G cellular technologies. As operators transition towards 5G Standalone (SA) networks and 3GPP Release 17 introduces Reduced Capability (RedCap) devices, engineers must understand not only cellular networking fundamentals but also Linux networking, modem management, IPv6 adoption, dual-SIM architectures, and practical troubleshooting techniques.
This intensive one-day technical workshop provides participants with the knowledge required to design, deploy, integrate, and troubleshoot Linux-based cellular networking solutions using current industry practices and emerging technologies. Recent developments in 3GPP Release 17 and Release 18 have expanded RedCap capabilities for industrial IoT, wearables, gateways, and edge devices, making this knowledge increasingly relevant for modern deployments.
The course is delivered by an instructor with over 30 years of industry experience, using practical, real-world implementation techniques and deployment scenarios that reflect current industry requirements rather than purely academic concepts.
Learning outcomes
Upon completion of this course, participants will be able to:
- Understand LTE and 5G network architecture from a Linux integration perspective.
- Explain the principles and deployment considerations of 5G RedCap technology.
- Configure Linux systems for LTE and 5G cellular connectivity.
- Understand IPv4/IPv6 dual-stack networking in cellular environments.
- Integrate cellular modems within Linux using common modem management frameworks.
- Understand Dual SIM Dual Standby (DSDS) architecture involving physical SIMs and eSIM technologies.
- Configure routing and network services for Linux-based cellular devices.
- Perform structured troubleshooting of modem, IP, routing, and connectivity issues.
Prerequisites
- Basic Linux command-line experience
- Fundamental TCP/IP networking knowledge
- Familiarity with IPv4 networking
- Basic understanding of LTE or mobile networking concepts is beneficial but not mandatory
6 modules
01Introduction to Modern Cellular Networking2 topics
Evolution from LTE to 5G
- LTE architecture overview
- 5G Non-Standalone (NSA)
- 5G Standalone (SA)
- User equipment architecture
- Cellular network components
Linux in Cellular Networking
- Embedded Linux platforms
- Industrial gateways
- IoT edge devices
- Router and appliance deployments
02LTE and 5G RedCap Fundamentals2 topics
Overview of 3GPP Release 17
- Introduction to RedCap
- Design objectives
- Device capability reductions
- Performance characteristics
- Target applications
RedCap Deployment Considerations
- Supported network architectures
- Device classes
- Power efficiency
- Network compatibility
- Migration from LTE
- Current ecosystem and industry adoption
- Introduction to Release 18 eRedCap enhancements
03Linux Cellular Modem Integration3 topics
Cellular Modem Architecture
- USB and PCIe modems
- Cellular interfaces
- AT command fundamentals
- QMI architecture
- MBIM architecture
Linux Modem Frameworks
- ModemManager
- NetworkManager
- libqmi
- libmbim
- PPP considerations
Modem Initialization
- Device detection
- SIM initialization
- APN configuration
- Registration procedures
- PDP context establishment
- Connection verification
04IPv4 and IPv6 Networking in Cellular Environments3 topics
IPv6 Fundamentals
- Address architecture
- Global addressing
- Link-local addressing
- Prefix delegation
Dual-Stack Networking
- IPv4 and IPv6 coexistence
- Cellular operator implementations
- APN considerations
- Address assignment mechanisms
- DNS configuration
Linux IPv6 Configuration
- Interface configuration
- Routing tables
- Neighbor Discovery
- Default gateway management
- Connectivity validation
05Dual SIM Dual Standby (DSDS) and eSIM Technologies3 topics
DSDS Architecture
- Operational principles
- Active versus standby behaviour
- Network registration
- SIM selection strategies
eSIM Fundamentals
- Embedded UICC architecture
- Profile management
- Remote SIM provisioning concepts
- eSIM lifecycle
SIM Management
- Physical SIM integration
- eSIM coexistence
- Failover considerations
- Network switching
- Operational best practices
06Linux Network Configuration and Routing3 topics
Network Interface Configuration
- Interface management
- IP address assignment
- Routing configuration
- DNS management
Cellular Routing
- Default routes
- Multiple network interfaces
- Route metrics
- Policy-based routing concepts
- Failover strategies
Network Services
- DHCP interactions
- Static addressing
- Firewall considerations
- NAT concepts
- Connectivity verification
Indicative Duration
1 Day (Instructor-Led Technical Workshop)
This training outline is intended as a representative guideline for the proposed course content. The sequence, emphasis, depth, and coverage of individual topics may be modified, expanded, consolidated, or reordered by the trainer to accommodate participant backgrounds, technical objectives, available time, technology updates, and operational requirements without prior notice.
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