24 October - 28 October 2010
(Sun - Thu) 5 days instructor-led customized training, 0900 - 1700 Dubai, UAE
Course Objectives
This course seeks to provide an understanding of RAN/IP and
its related
troubleshooting methodologies. It describes a
problem-solving approach
with analysis of troubleshooting and its preemptive
measures. It describes
the systematic approach and steps needed to identify the
cause of
problems and solve it. After completing the course,
Engineers can ensure
network applications integrity.
Course Overview
This course is designed for the technical or management
staff and to
present them with information on planning and
troubleshooting RAN/IP
Networks . The participants will learn about techniques how
how to resolve
the problems in RAN/IP networks.
Key Benefits
This course will enable participants to:
Develop an understanding of what type of testing
equipment used in
troubleshooting of RAN/IP networks.
Enable the engineering team to understand the problems
in Radio
Access and IP based networks.
Develop a scholastic approach for rectification of
problems and
Errors in RAN/IP Networks.
Pre-Requisites for Participants
A basic knowledge of Microwave Link Planning and Core
Network operation
will be required.
Who Should Attend?
For technicians, engineers, supervisors and managers
responsible for the
planning, design and operation of these networks.
Course Outline
Day 1
(Overview of Transmission Network and Core Network , Network
Communications Methods, Network Media and Hardware and
Microwave
Network)
Overview of Transmission Network
Overview of Core Network
Network Communications Methods
Network Communications Methods
Unicast Transmission
Broadcast Transmission
Multicast Transmission
Media Access Methods
Multiplexing
Polling
TokenBased
Media Access
CSMA/CD
CSMA/CA
Analog Signal Characteristics
Digital Signal
Modulation
Differential and Single Ended
Demodulation
Keying
Manchester Encoding
Serial Devices
Parallel Devices
Baseband Transmission
Broadband Transmission
Network Data Delivery
Network Data Delivery
MAC Addresses
TCP/IP Network Address
DNS Network Name
Identification
Packet
Ethernet Header
Error Checking Value
Network Monitor
Connection Services
The Error Detection Process
Parity
Cyclic Redundancy Check
Buffering
Data Windows
Fixed and Sliding Windows
Network Media and Hardware
Network Media and Hardware
Media Types Characteristics
Coaxial Cable
Twisted Pair Cable
UTP vs. STP Cable
Twisted Pair Cable Categories
RJ45
Connector
Ethernet Cable
Fiber Optic Cable
Fiber Optic Cable Mode Types
Fiber Optic Connectors
Wireless Communications
Radio Networking
Infrared Transmission
Microwave Transmission
Electrical Noise
Shielding
Differential Signaling
Noise Control with Twisted Pair
Termination
Grounding
Media Installation Techniques
Repeater
Hub
Switch
Bridge
Dedicated Router
Wireless Access Point
Gateway
Microwave Networks
Jitter and Wonder
Flowchart of MW Link Design
Network Management
Path attenuation for rainfall intensity
Countermeasures
Setting Up the Frequency Plan
International Frequency Plans
Frequency Planning Rules
Interference Mitigation
MW Links Integration
Procedure on MW Hop Design
Synchronization
Important recommendations for Troubleshooting
Troubleshooting Procedure
Day 2
(RF Transmission, Interferences, Stability of MW Link,
Troubleshooting of
Radio System and Troubleshooting and Testing)
Radio Frequency (RF) Transmission, Reception, and
Propagation
Sky wave versus ground wave propagation
Line-of-Sight (LOS) and Non-Line-of-Sight (non-LOS)
propagation
Free space path loss models
Factors affecting the behavior of radio waves
Reflection
Refraction
Scattering
Diffraction
Fading
Ducting
Electromagnetic interference
Earth curvature
Fresnel Zones
Interferences and its Trouble-shootings
Interferences in Analog and Digital System
Co-Channel Interference
Adjacent Channel Interference
Multipath Fading
Combined Signal Loss
Radio Wave propagation
Attenuation
Shadowing
Ducting
How to Generate Stability in MW Network
Atmospheric effects
Terrain effects
Multi-path propagation
Fade mechanisms
Interference issues
Link impairment mitigation
Path analysis
Performance data analysis
Link budget calculation
Troubleshooting of Radio System
Using the LEDs on modems and RF units
Use of a SWR meter
Communications service monitor and sweep
Generator/spectrum analyzer
Importance of correct terminations
Surge and lightning protection
Earthling/grounding
Troubleshooting and Testing
Capacity and Network Design
Slips, Wander and Jitter
Alarm Structure and Logic
Red alarm
Blue/AIS alarm
Yellow alarm
Loopback Testing
Day 3
(Microwave Prorogation,Link Availability and Reliability
Standards,
Equipment Specification & Selection, Link Design and
Planning)
Microwave Propagation and Fading Effects
Atmospheric effects on radio transmission
Fresnel zones
Diffraction loss and clearance over obstacles
Reflection effects in a network and their impact on
radio system
design
Radio refractivity and refractive index gradient
Understanding what k-factor really means
Understanding the effects of reflection and how to
minimize their
impact
Link Availability and Reliability Standards
The latest reliability standards and radio system design
implications
Understanding the difference between availability and
performance
The impact of the standards on different frequency bands
and link
lengths
Path, equipment and network reliability issues
Frequency Planning
Link Design
Equipment Specification and Selection
Antenna and Equipment
Antenna Reciprocity
Antenna Gain
Size of Antenna
Gain Comparison
Antenna by Directivity
Leaking Cable
Repeaters
Combiners
Splitters
Types of Antenna in Microwave
Transmission Line Feeders
Coaxial Cable
Link Design and Planning
Link design considerations
Path planning and path profiles
Active and passive repeaters
Issues around site acquisition and site planning
Frequency bands and their effect on link plans
Establishing line of sight
Site and path surveys
Fault Classification
Path Length
KPIs for transmission radio
Link Calculations
Day 4
(Network Troubleshooting , RF Testing and Troubleshooting
and System
Measurements, Troubleshooting Areas)
Network Troubleshooting
Network Troubleshooting
Troubleshooting IP Configuration
Troubleshooting with Ping
Troubleshooting with Tracert
Troubleshooting with Arp
Troubleshooting with Telnet
Troubleshooting with Nbtstat
Troubleshooting with Netstat
Troubleshooting with FTP
Troubleshooting with Nslookup
Electrical Safety Rules
Cable Tester
Types of Cable Testers
Crossover Cables
Hardware Loopback Plug
LED Indicator Lights
Types of LED Lights
Tone Generators and Tone Locater
Performance Monitor
Counter Threshold Values
Protocol Analyzer
RF Testing, Troubleshooting and System Measurement
Techniques
Measuring link performance
Carrier to interference and signal to interference ratio
Bit error rate (BER)
Burst errors
Dropouts due to rain
Minimum discernible signal
Inter modulation distortion
3rd order intermodulation definition
Measuring Intersymbol interference
Parasitic oscillations and spurs
Rain attenuation and link margins
Troubleshooting Areas
Air Interface
Coverage
Interference
Congestion
Transmission time wasted
Core network
Contention at Core Network
Packet loss
Processing delays at Core Network
Buffer/overflow
Core Network Problems, Causes, and Troubleshooting
No IP address
No PDP context
No GPRS attach
No uplink data
No downlink data
No Packet loss indicator
Day 5
(Testing, Diagnostic and Troubleshooting of Equipment, Traffic
Engineering for Transmission Network, Path Profile and
Clarence Criteria
, Third Party Tool, Testing Equipments and
Characteristics)
Testing, Diagnostic, and Trouble-shooting Equipment
Oscilloscopes
Microwave network analyzers
Spectrum analyzers
Signal generator
Noise figure meter
Power meters
SWR meters
Volt meters
BER testers
Traffic Engineering for Transmission Networks
Traffic Engineering Terms and Concepts
Traffic Engineering: Erlang B, Erlang C
Channel Element Dimension
Packet Data Services
Repeater Testing
Troubleshoot Voice and Video Quality Issues Defining
Common Voice
and Video Quality Issues
Symptoms like Poor call quality, constant/Intermittent,
delay, echo,
clipping, one-way path, disconnects, no service, blocked calls
etc�
Problems like Transmission errors, packet loss, jitter
buffer settings,
configuration errors, port settings, hardware failures, service
failures
