4G LTE
EMERGING TRENDS
IP CONVERGENCE & IMS
TECHNOLOGY FOR BUSINESS
UMTS/HSPA+
WIRELESS LANDSCAPE
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The 4th generation (4G) of wireless technologies promises a much higher air interface data rate (over 100 Mbps) to users while reducing the cost per bit for wireless service providers. The current T1/E1 backhaul will not be able to support the high data rate with reasonable costs. The backhaul is already becoming the bottleneck in the existing 3G networks and will continue to be a challenge for emerging 4G networks. These networks require IP based broadband backhaul solutions. This course provides the background and solutions for IP backhaul planning for 3G/4G radio networks, starting with a review of the trends in 3G/4G wireless data services and related backhaul challenges. An overview of IP/MPLS is given since it is seen as an emerging technology for backhaul operation. Finally, deployment considerations and a backhaul migration path are discussed along with an exercise to calculate backhaul requirements.
Learning Objectives
After completing this course, the student will be able to: • List the requirements and challenges for 3G/4G backhaul • List 3G/4G wireless network backhaul options • Compare different backhaul facilities and explain the pros and cons of the available solutions • Discuss the role of these key technologies from a backhaul perspective, their operations and support: ATM, TDM, MPLS, Carrier Ethernet and IP • Sketch the 2G/3G/4G integrated IP/Ethernet backhaul deployment architecture with full redundancy • Compare key traditional and packet based timing and synchronization methods such as IEEE 1588 • Apply the end-to-end QoS concepts in IP and Ethernet integrated backhaul and their usage in SLA monitoring • Calculate protocol overhead for various backhaul options for voice, Web, video, etc. • Utilize traffic models to forecast backhaul requirements and calculate link bandwidths • Explain backhaul/Ethernet testing scenarios with RFC 2544 and Y.1731 in-network testing
Intended Audience
This course is designed for those involved in planning, design and engineering of 3G/4G backhaul systems. It is suitable for backhaul network engineers and managers involved in deployment and operation of 3G/4G networks.
Suggested Prerequisites
• Basic knowledge of telecommunications such as T1 and SONET
Course Length
2 Days Instructor Led
Course Outlines / Knowledge Knuggets
1. LTE and EBH Motivation 1.1. Motivation 1.2. End-to-end network architecture 1.3. Possible EBH solutions 2. L2 Backhaul Solution 2.1. L2 backhaul architecture 2.2. VLANs, subnets 2.3. Static routes 2.4. Use of MPLS in backhaul 2.5. 2G, 3G and LTE paths 3. L3 Backhaul Solution 3.1. L3 backhaul architecture 3.2. VLANs, subnets 3.3. Static routes 3.4. Use of OSPF in backhaul 3.5. 2G, 3G and LTE paths 4. Metro/Carrier E Technology and Operations 4.1. Motivation and benefits 4.2. Network architecture 4.3. Service types 4.4. Service attributes 4.5. Circuit emulation – CESoPSN 5. Ethernet Backhaul Network Design Considerations 5.1. IP network routing/operations 5.2. Layer 2 and 3 design aspects 5.3. Redundancy in the backhaul network 5.4. Availability and resiliency 6. QoS, Timing and SLA 6.1. 2G/3G/LTE backhaul traffic profiles 6.2. End-to-end QoS support 6.3. Timing and synchronization 6.4. Packet mode timing IEEE 1588v2 6.5. OAM and performance metrics 6.6. SLA administration and monitoring 7. Ethernet Backhaul Network Testing and Deployment 7.1. Backhaul network testing with RFC2544 7.2. Backhaul network turn-up 7.3. Network level testing with Y.1731 7.4. E-OAM and CFM 8. Ethernet Backhaul Network Planning 8.1. Network planning overview 8.2. Capacity planning issues 8.3. Backhaul technology selection criteria 8.4. Traffic forecast and modeling 8.5. Bandwidth/capacity computation
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