Course benefits
This unique, fast-track course has been designed to meet the needs of staff wanting a broad understanding of a range of modern wireless communications systems and networks.
The course provides a solid understanding of wireless networks, technologies, protocols, and a comprehensive, vendor-neutral coverage of wireless solutions and supporting technologies,
including RF, microwave, HF/UHF, GSM, GPRS, EDGE, UMTS (3G), CDMA, W-CDMA, TETRA trunk mobile networks, 802.11 Wi-Fi Wireless LANs, Wireless WANs, WiMAX networks, 4G and 5G networks, Bluetooth and ZigBEE.
The course begins with an overview of the motivations for wireless communications, and a review of the technical constraints of wireless communications.
Delegates learn how radio communications works, and examine the challenges and new developments in fundamental wireless technologies.
The course then examines the leading technologies and protocols used in modern radio systems and wireless networks.
Objective
On completing the course, delegates will be able to:
- Understand and explain the fundamental principles of a range of wireless communications systems.
- Understand and apply the essential concepts of Radio Frequency (RF) technology, including RF planning, RF-related calculations and spread spectrum technologies.
- Understand some of the fundamental problems and constraints of wireless systems, and apply these to problem analysis and troubleshooting of wireless networks.
- Undrestand the essentials of radio frequency (RF) propagation, Fresnel Zone, and more.
- Understand the design and operation of wireless radio hardware and antenna.
- Understand the sources, causes and effects of RF interference, and techniques for mitigating against interference.
- Describe the rules governing wireless operation in the licensed and license-exempt bands, to comply with local radio regulations.
- Undestand and explain the roles of modulation, multiplexing, coding (including Block, RS, Viterbi decoding), puncturing, and more.
- Describe the mainstream media and multiple access schemes used in modern wireless networks, including FDMA, TDMA and CDMA
- Describe spread spectrum technologies, multiplexing and modulation technologies, including FHSS, DSSS, PBCC and OFDM
- Understand and explain the concepts behind 1G, 2G, 2.5G, 3G, 4G and 5G networks.
- Understand and explain the modern wireless network architectures, including Cellular Mobile Communications, Wireless LAN, Wireless PAN, Hot Spots, Mesh, Wireless WAN, Roaming, Voice and Multi-Media over Wireless
Describe the architecture and operation of the following wireless networks at a technical level:
- Global System for Mobile communications - GSM
- General Packet Radio Service - GPRS
- Universal Mobile Telecommunications System - UMTS
- Terretrial Trunked Radio - TETRA
- IEEE 802.11 Wireless LANs - Wi-Fi
- IEEE 802.16 - WiMAX
- IEEE 802.15.1 - Bluetooth
- IEEE 802.15.4 - ZigBee
- Understand the security issues with 802.11 WLANs, and the security countermeasures that are available.
- Describe the security mechanisms used in GSM, GPRS, UMTS, TETRA, Wi-Fi, WiMAX, Bluetooth and ZigBee wireless networks.
Hands-on practical exercises
The course incorporates a range of hands-on practical exercises, including the following:
- Scanning radio frequencies and identifying radio network transmissions.
- Building IEEE 802.11 Wi-Fi Networks.
- Configuring ad working with 802.11 Wi-Fi wireless clients.
- Securing 802.11 Wi-Fi networks with WEP, WPA personal, and WPA enterprise.
- Working with Bluetooth equipment and Piconets
- Working with GPRS and UMTS equipment for mobile data network access.
Why this course?
In just five days, this unique course from LEVER Technology Group PLC provides an essential, comprehensive, fast-track coverage of the technical aspects of the predominant wireless communications technologies, protocols and systems used throughout the World.
The course incorporates a range of hands-on practical labs using commercial wireless communications equipment, to reinforce the material covered.
Who should attend?
This course is ideal for anyone wanting a solid understanding of the broad range of wireless communications systems used around the World today, including:
- Developers of wireless products and services
- Technical sales and marketing professionals
- Staff responsible for technical testing of wireless equipment
- Wireless communications engineers
- Mobile communications engineers
- Radio engineers.
Pre-requisites
Delegates should have existing experience in telecommunications or data networking prior to attending this course.
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Course 603: Content
Essential principles of radio communications
Electromagnetic radiation
Review of RF bands
Radio propagation principles
Super heterodyne receiver
RF propagation
Free Space Path Loss (FSPL)
Reflection, Refraction, Diffraction, Absorption
Multipath effects
Multipath Rayleigh fading
Delay spread
Frequency-selective fading
Fresnel Zones
Radio Frequency Equipment and Transmissions
The basics of radio
Radio antennas
- Omni-directional
- Semi-directional
- Highly-directional
Dipole, patch, yagi, grid, parabolic
Cables and connector usage requirements
Amplifiers, attenuators, lightning arrestors, splitters
Spread Spectrum technologies: FHSS, DSSS, PBCC, OFDM
WLAN data rates and ranges
RF channels
Channel reuse
Interference
Common Causes of RF Interference
Signal Range
System Operating Margin (SOM)
What are Hidden Nodes?
What is the Near/Far issue?
Modulation and Performance
Comparison of modulation techniques
Types of modulators and demodulators
BPSK, QPSK, MPSK, pi/4-QPSK
QAM
BFSK, MFSK
Performance of modulations over fading channels
Antenna and space diversity
Multi-antenna array to improve bandwidth efficiency
BLAST
MSK-type signals: SQPSK, MSK, GMSK
Adjacent channel interference
Information Theory
Shannon's equation
Why code?
Orthogonal Frequency Division Multiplexing (OFDM)
Coding Techniques
Block and Reed-Solomon coding
Interleaving
Viterbi algorithm
Trellis coding
Convolutional coding
Turbo coding
Continuous Phase Modulation, CPM
Fundamental Multiple Access Schemes
FDMA
TDMA
CDMA
CSMA
PRMA
Wireless Network Architectures
Defining 1G, 2G, 2.5G, 3G, 4G and 5G networks
Wireless LAN
Wireless PAN
Hot Spots
Mesh networking
Wireless WAN
Roaming between wireless networks
Voice and Multi-Media over Wireless
Mobile Radio System Fundamentals
Cellular radio systems
Frequency reuse
Handoff
Near-far problem
Coverage evaluation
Capacity and quality of service
Overview of Ccurrent Cellular Standards
NMTS
AMPS, TACS,
D-AMPS
GSM
TDMA, IS-136
CDMA, IS-95
WCDMA
Fundamentals of GSM
GSM features and services
The GSM Architecture
GSM in operation
Attaching to the network
GSM MO and MT calls
Overview of the GSM Air Interface
Circuit-Switched Data (CSD)
High-Speed Circuit-Switched Data (HSCSD)
Short Message Service (SMS)
Unstructured Supplimentary Services Data (USSD)
Fundamentals of GPRS
Drivers for mobile data
Features and applications of GPRS
GPRS architecture and operation
GPRS and the Internet
GPRS protocol architecture
EDGE and E-GPRS
GPRS in 3G networks
Current GPRS services
GPRS products and applications
Blackberry
Fundamentals of 3G and UMTS
What defines 3G networks?
What is iMode?
What is UMTS?
The role of UMTS as a 3G System
Services offered by UMTS Systems
Evolving services from GSM and GPRS to UMTS
The Virtual Home Environment (VHE)
Wideband CDMA (W-CDMA)
UMTS Radio Access Network (UTRAN)
Latest developments with UMTS
IMT-2007
HSDPA Fundamentals (UMTS Rel 5)
HSUPA Fundamentals (UMTS Rel 6)
Fundamentals of TETRA
Overview of Trunk Mobile Communications
Trunking concepts
Overview of iDEN
Overview of Tetrapol
Introduction to TETRA technology
Operational TETRA systems and equipment
TETRA Features and Services
Voice and Data services
Circuit-switched data
IP packet data
Short Data Service, SDS
Voice coding
Direct Mode Operation (DMO)
Spectral efficiency
TETRA Architecture
BS, LSC, MSC, LS, MT, TE
TM Air Interfaces
Direct Mode Air Interface
Gateway and Repeater stations
Spectrum allocations and channel assignments
Physical and Logical channels
TDMA structure
Medium Access Control sublayers
Logical Link Control layer
Frame, slot and burst structures
TETRA voice coding
TETRA and Data Networks
TETRA IP
TETRA over IP (ToIP) solutions
TETRA authentication, encryption and End-to-End encryption
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Introduction to Wireless LANs
The Wireless LAN industry
Wireless LAN applications
Organisations and Vendors
FCC and ETSI rules for RF
Worldwide frequency ranges and channels
IEEE 802.11 family of standards
IEEE 802.11a, b, g, Pre-n
Wi-Fi Alliance standardisation
Access Points, Service Sets
SSID, BSSID
The Distribution System (DS)
Wireless stations (STA)
Client devices and accessories
SOHO WiFi networks
Wireless Residential gateways
Wireless Repeaters
Wireless LAN switches
Wireless Routers
Enterprise Wireless Gateways
Enterprise Encryption Gateways
Voice over Wi-Fi (VoWiFi) systems
Wireless Bridges
Wireless workgroup bridges
Wireless Ad Hoc Networks
Ad Hoc WLAN concepts
IBSS processes
Creating and using an Ad Hoc network
802.11 MAC Layer
Joining a wireless LAN
Beacons, Passive Scanning, Active Scanning (Probing)
Authentication
Association
Dynamic Rate Selection (DRS / ARS)
Roaming in a wireless network
IEEE 802.11f Inter-Access Point Protocol (IAPP)
802.11 Power management
RTS/CTS
Packet fragmentation
Wireless LAN Security
Types of wireless network attacks
War Driving - how easy is it?
Netstumbler, Kismet, Airsnort
Wireless packet sniffers and analysers
Wired Equivalence Privacy (WEP)
Configuring WEP
The problems with WEP
Effective wireless security solutions
What is IEEE 802.1x?
What is EAP?
RADIUS / AAA authentication
What is TKIP?
Cisco LEAP
EAP-TLS, EAP-TTLS and PEAP
Wi-Fi Protected Access (WPA) v1
WPA v2 / IEEE 802.11i
Advanced Encryption Standard (AES)
VPN-based security solutions
Issues with VPNs and wireless LANs
Fundamentals of WiMAX
WiMAX applications
WiMAX implementation scenarios
WiMAX in LOS and NLOS environments
WiMAX market opportunities
WiMAX vendor and market review
Market size, rate of growth
Review of leading WiMAX equipment vendors
Current WiMAX deployments
The role of IEEE 802.16
WiMAX versus IEEE 802.20 (MBWA)
802.16 Connections and Layers
The Standards organisations:
- IEEE
- ETSI
- WiMAX Forum
Current 802.16 standards
- 802.16
- 802.16a
- 802.16-2007 (802.16)
- 802.16c
- 802.16e
- 802.16f
- 802.16i
Overview of IEEE 802.16
Physical network architecture
Protocol architecture
PHY layer
PMD layers
MAC layer
Higher protocol layers
10-66GHz bands
802.16a extension for 2-11GHz bands
Orthogonal Frequency Division Multiplexing (OFDM)
Orthogonal Frequency Division Multiple Access (OFDMA)
Adaptive modulation
Physical Layer for 10-66GHz
Physical Layer for 2-11GHz
Time Division Duplexing (TDD)
Frequency Division Duplexing (FDD)
WiMAX Mobility - 802.16e
802.16 Physical and MAC Layers
Downlink Data Path
Uplink Data Path
Radio Aspects
Space Time Coding (STC)
Adaptive Antenna Systems (AAS)
Multiple Inputs, Multiple Outputs (MIMO)
Spatial Division Multiple Access (SDMA)
The WiMAX MAC Layer
Convergence Layers
Roles of ATM and IP
WiMAX frame formats
Starting up a Subscriber Station
WiMAX Quality of Service (QoS)
Current WiMAX VoIP solutions
The WiMAX security architecture
Fundamentals of Bluetooth
The role of Bluetooth
Bluetooth standards
Applications for Bluetooth, Bluetooth usage models
The Bluetooth protocol architecture
Frequency band and RF channels
Bluetooth frequency hopping
The Packet format
SCO links and ACL links, data rates
Device addressing
Controller states, Access procedures
Piconets, Scatternets
Bluetooth Security:
- Authentication, Encryption
Example Bluetooth hardware
Bluetooth antenna designs
Size constraints
Interference and Co-existence with other ISM band users
Fundamentals of ZigBee
What is ZigBee?
Networking capabilities
Data rates, ranges
Target markets and applications
ZigBee Standards and technology
IEEE WPAN standards overview
ZigBee Frequencies and channels
Power levels
Antenna
802.15.4 PHY
802.15.4 MAC layer
Addresses
CSMA/CA MAC scheme
Beacons
Scanning
Association
Data transfer
ZigBee topologies and applications
Point-to-point topology:
Star topology:
Cluster tree
Wired integration:
Roaming and bridging to other networks
ZigBee Upper layer protocols
ZigBee Security
ZigBee security modes
ACL
Data encryption
Review of Wireless Systems Security
Security measures built into:
- GSM
- GPRS
- UMTS
- 802.11 Wi-Fi networks
- Wi-Fi war driving
- ASLEAP
- Bluetooth
- Bluetooth exploits, Bluesnarfing, etc
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