Motorola EWLAN Channel Training

Introduction to 802.11 WLANs

• Discuss the standards organizations responsible for shaping the 802.11 Wireless LAN protocol

• Learn how standards compliance is enforced for 802.11 WLAN vendors

• Examine the 802.11 standard and various amendments

• Discuss additional networking standards that are commonly used to enhance 802.11 WLANs

Radio Frequency Fundamentals

• Physical aspects of RF propagation

• Types of losses and attenuation that affect RF communications

• Types of modulation used for wireless communications

• How channels and bandwidth are related to each other in wireless networks

• Three types of Spread Spectrum used in wireless networking

RF Math and System Operating Margin

• RF units of measure

• Basic RF mathematics

• RF signal measurements

• Understand link budgets

• Define and calculate System Operating Margin (SOM)

802.11 Service Sets

• Explain three types of service sets defined for use within 802.11 WLANs

• Roaming within a WLAN

• Load-balancing as a method to improve congestion in WLANs

RF Power Output Regulations

• Understand international, regional, and local RF spectrum management organizations

• Understand RF channels in the unlicensed 2.4 GHz and 5 GHz frequency ranges

• How power output limitations are enforced by the FCC for Point-to-Multipoint (PtMP) and Point-to-Point (PtP) wireless connections

Power over Ethernet

• Recognize the two types of devices used in Power over Ethernet (PoE)

• Recognize the differences between the two types of Power Sourcing Equipment (PSE)

• Understand the two ways in which power can be delivered using PoE

• Understand the importance of planning to maximize the efficiency of Power over Ethernet

Wireless LAN Operation

• Ad Hoc networks

• Infrastructure networks

• Bridged networks

• Repeater networks

• Mesh networks

• WLAN switched networks

• Enterprise Wireless Gateway networks

• Enterprise Encryption Gateway networks

• Virtual AP networks

• Evolution of WLAN architectures

• WLAN Management

WLAN Security

• Security Policy and Procedures

• Legacy 802.11 Security Components

• 802.11i Security Components

• WPA-Personal

• WPA-Enterprise

• WPA2-Personal

• WPA2-Enterprise

• Baseline Security Practices (SOHO, SMB, Enterprise)

802.11 Analysis and Troubleshooting

• Introduction to 802.11 Protocol Analysis

• 802.11 Data Frames

• 802.11 Control Frames

• 802.11 Management Frames

• Frame Fragmentation

• Power Saving operations

• Transmission Rates

Coordinating 802.11 Frame Transmissions

• Differences between CSMA/CD and CSMA/CA

• Distributed Coordination Function (DCF)

• Quality of Service in 802.11 WLANS

Antennas

• Antenna characteristics and behaviors

• Types of antennas commonly used with WLANs

• Advanced antenna systems

• Antenna placement and mounting

• Antenna safety

• Types of antenna cables, connectors, and accessories

Site Surveying

• Understanding the need for a site survey
• Defining business requirements and justification
• Facility analysis
• Interviewing network management and users
• Identifying bandwidth requirements
• Determining contours of RF coverage
• Documenting installation problems
• Locating interference
• Reporting methodology and procedures
• Understanding specifics of each vertical market
• Understanding the customer's network topology
• Creating appropriate documentation during and after the site survey
• Understanding safety hazards
• Using appropriate hardware and software to perform the survey
• Understanding the need for spectrum analysis
• Manual RF site surveys
• Predictive site surveys
• Dense AP deployment