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Traffic Engineering



Course Name:	Traffic Engineering Models for Network Design Training

Deployment Options:	Onsite - Instructor-Led Training

Course Duration:	3-4 days depending on audience background and options

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Introduction:

Good traffic engineering is not only an essential element of a network’s initial design but also critical to its smooth, ongoing operation. The job of the engineer responsible for traffic on a mobile network has recently become more important as well as more complex. Traffic is growing faster on mobile networks than on traditional, land line, fixed infrastructure networks. This growth in mobility traffic is paralleled by the increasing growth and diversity of mobility based data applications and services along with a continuously changing subscribers’ services profile. And, of course, any analysis of traffic over radio channels must also account for the radio related impacts to capacity which can be dynamic in nature.

In this course, you will study traffic engineering from multiple angles including an overview of the various RF modulation techniques popular in commercial networks today, and how those modulation techniques impact available capacity. Emphasis is placed on understanding the correct methodology to use for a particular service and achieving the highest level of utilization and efficiency without sacrificing the quality of service. The course will not only arm you with a good understanding of when to employ the appropriate Erlang or other traffic model, it will also give you a new level of sophistication in ensuring the quality of service (QoS) for your subscribers while maximizing the utility of our network.

Audience:

If you are involved with telecommunications planning, design, optimization, traffic engineering, deployment, business strategy, marketing, or services creation and can benefit from an intensive tutorial on traffic engineering, this course can help provide that.

Prerequisites:

While there are no specific course prerequisites, prior exposure to telecommunications traffic issues and some background in probability and statistics will be helpful.

Customize it:

This 3-4-day Traffic Engineering Models for Network Design course will be customized to your needs and specifications. Eno.com will assist you in identifying those needs and specifications. A word to the wise, there are many vendors of telecommunication training. They will typically have a broad and general course, one size fits all, already developed and just put your organization?s name on the title slide. This minimizes their effort and time investment. At Eno.com, every course is made to your exact and exacting specifications. We help you ensure what you are getting is what you really need even if at the beginning you weren't too sure of what that was. We fit the class to your needs. We never fit you into our standard, one size fits all, class. Please call or e-mail to schedule a no-obligation conference call to help us understand your audience background and training objectives.

Objectives:

On completing this course, you will be able to:

Effectively apply Erlang B, Extended Erlang B, and Erlang C to the solution of mobile traffic engineering problems.
List the key differences and impacts to capacity of fractional frequency reuse systems versus CDMA or WCDMA systems and how those differences affect traffic engineering.
Describe the major components of the mobile network architecture, including signaling, and how they work together.
Describe how different services place different impacts on the network and utilization of resources.

Course Outline

Getting Started: Apparatus and Issues of Traffic Engineering

Overview of probabilistic systems
Overview of stochastic systems
Telecommunications services types and traffic generation
Voice call profiles
Data call profiles
Accounting for static capacity
Accounting for mobility

Models and Techniques of Traffic Engineering

Traffic information, sources of data
Analysis of data
Calculation of Erlang B
Use of Erlang B
Calculation of Extended Erlang B
Use of Extended Erlang B
Use of Extended Erlang B in radio resource sharing
Calculation of Erlang C
Use of Erlang C
Use of Erlang C in data services
Static dimensioning

Mobility Overview

Mobile network overview
BTS/Node B
BSC/RNC
Switching
Signalling
Mobility call flows
Resource allocation
Set up and tear down
Synchronicity
Codecs used and accounting for codec variability
Transcoder free operations (TrFO) and impact to capacity engineering
Remote Transcoder Operation (RTO) and impact to capacity engineering

Mobility Traffic Engineering for GSM

Mobility for GSM systems
Predicting mobility requirements
Accounting for mobility impact in GSM systems
Impact of capacity in GSM systems
Advanced capacity management techniques in GSM systems
Radio network load balancing
BSC load balancing
Propagation delay budgets
Codecs used throughout GSM systems
2.5G data on GSM systems
Timeslot allocation between voice and data
Timers for BTS hand over
Timers for inter-BSC hand over
Timers for inter-MSC hand over
Dimensional trade-offs, capacity versus mobility versus probability of time slot availability