Book description
Designing and Deploying 802.11 Wireless Networks
Second Edition
A Practical Guide to Implementing 802.11n and 802.11ac Wireless Networks For Enterprise-Based Applications
Plan, deploy, and operate high-performance 802.11ac and 802.11n wireless networks
The new 802.11ac standard enables WLANs to deliver significantly higher performance. Network equipment manufacturers have refocused on 802.11ac- and 802.11n-compliant solutions, rapidly moving older versions of 802.11 toward “legacy” status. Now, there’s a complete guide to planning, designing, installing, testing, and supporting 802.11ac and 802.11n wireless networks in any environment, for virtually any application.
Jim Geier offers practical methods, tips, and recommendations that draw on his decades of experience deploying wireless solutions and shaping wireless standards. He carefully introduces 802.11ac’s fundamentally different design, site survey, implementation, and network configuration techniques, helping you maximize performance and avoid pitfalls.
Geier organizes each phase of WLAN deployment into clearly defined steps, making the entire planning and deployment process easy to understand and execute. He illuminates key concepts and methods through realistic case studies based on current Cisco products, while offering tips and techniques you can use with any vendor’s equipment. To build your skills with key tasks, you’ll find several hands-on exercises relying on free or inexpensive tools.
Whether you’re deploying an entirely new wireless network or migrating from older equipment, this guide contains all the expert knowledge you’ll need to succeed.
Jim Geier has 30 years of experience planning, designing, analyzing and implementing communications, wireless, and mobile systems. Geier is founder and Principal Consultant of Wireless-Nets, Ltd., providing wireless analysis and design services to product manufacturers. He is also president, CEO, and co-founder of Health Grade Networks, providing wireless network solutions to hospitals, airports, and manufacturing facilities. His books include the first edition of Designing and Deploying 802.11n Wireless Networks (Cisco Press); as well as Implementing 802.1X Security Solutions and Wireless Networking Handbook. Geier has been active in the IEEE 802.11 Working Group and Wi-Fi Alliance; has chaired the IEEE Computer Society (Dayton Section) and various conferences; and served as expert witness in patent litigation related to wireless and cellular technologies.
Review key 802.11 concepts, applications, markets, and technologies
Compare ad hoc, mesh, and infrastructure WLANs and their components
Consider the impact of radio signal interference, security vulnerabilities, multipath propagation, roaming, and battery limitations
Thoroughly understand today’s 802.11 standards in the context of actual network deployment and support
Plan your deployment: scoping, staffing, schedules, budgets, risks, feasibility analysis, and requirements
Architect access networks and distribution system for maximum reliability, manageability, and performance
Make the right tradeoffs and decisions to optimize range, performance, and roaming
Secure WLANs via encryption, authentication, rogue AP detection, RF shielding, and policies
Master design and site survey tools and methods for planning 802.11ac networks and migrations
Efficiently install and test any 802.11ac or 802.11n wireless network
Establish specialized support for wireless networks, including help desk operations
Systematically troubleshoot connectivity, performance, and roaming issues
Design efficient mesh networks and city-wide deployments
Table of contents
- About This eBook
- Title Page
- Copyright Page
- About the Author
- About the Technical Reviewers
- Dedication
- Acknowledgments
- Contents at a Glance
- Contents
- Icons Used in This Book
- Introduction
-
Part I: Fundamental Concepts
- Chapter 1. Introduction to Wireless LANs
- Chapter 2. Radio Wave Fundamentals
- Chapter 3. Wireless LAN Types and Components
- Chapter 4. Wireless LAN Implications
-
Part II: The 802.11 Standard
- Chapter 5. Introduction to IEEE 802.11 and Related Standards
-
Chapter 6. IEEE 802.11 Medium Access Control (MAC) Layer
- Primary 802.11 MAC Layer Functions
- Connectivity
- Timing and Synchronization
- RTS/CTS
-
802.11 MAC Frame Structures
- Protocol Version Field
- Type Field
- To DS Field
- From DS Field
- More Frag Field
- Retry Field
- Power Management Field
- More Data Field
- Protected Frame Field
- Order Field
- Duration/ID Field
- Address 1, 2, 3, and 4 Fields
- Sequence Control Field
- QoS Control Field
- HT Control Field
- Frame Body Field
- Frame Check Sequence Field
- MAC Frame Types
- Interoperability
- Summary
- Chapter 7. IEEE 802.11 Physical (PHY) Layers
-
Part III: Wireless Network Design
-
Chapter 8. Planning a Wireless LAN Deployment
- Project Management Principles
-
Wireless LAN Deployment Planning Steps
- Step 1: Defining the Project Scope
- Step 2: Developing the Work Breakdown Structure
- Design Phase
- Implementation Phase
- Operations and Maintenance Phase
- Step 3: Identifying Staffing
- Step 4: Creating a Schedule
- Step 5: Developing a Budget
- Hardware and Software Costs
- Step 6: Evaluating Risks
- Step 7: Analyzing Feasibility
- Evaluating the Outcome of the Project
- Summary
- Chapter 9. Defining Requirements for a Wireless LAN
- Chapter 10. System Architecture Considerations
-
Chapter 11. Range, Performance, and Roaming Considerations
- Range Versus Performance
- Range Considerations
-
Performance Considerations
- Throughput Versus Data Rate
- Radio Frequency Bands
- Transmit Power Settings
- Transmission Channel Settings
- Data Rate Settings
- Antennas
- Amplifiers
- Radio Signal Interference
- Channel Width Settings
- Signal Coverage
- Fragmentation Settings
- RTS/CTS Settings
- Bandwidth Control Mechanisms
- Microcell Deployment Strategies
- Roaming Considerations
- Summary
- Chapter 12. Radio Frequency Considerations
- Chapter 13. Security Considerations
-
Chapter 8. Planning a Wireless LAN Deployment
-
Part IV: Wireless Network Installation and Testing
- Chapter 14. Test Tools
-
Chapter 15. Performing a Wireless Site Survey
- Wireless Site Survey Considerations
- Reviewing Requirements
- Selecting Site Survey Tools
- Obtaining Floor Diagrams
- Inspecting the Facility
- Assessing the Existing Network Infrastructure
- Identifying Potential Radio Signal Interference
- Defining Signal Values for Acceptable Signal Coverage
- Identifying Optimum Access Point Antenna Installation Locations
- Writing an RF Site Survey Report
- Summary
- Chapter 16. Installing and Configuring a Wireless LAN
- Chapter 17. Testing a Wireless LAN
-
Part V: Operational Support Considerations
-
Chapter 18. Managing a Wireless LAN
- Operational Support Considerations
- Help Desk
- Network Monitoring
- Maintenance
- Sparing
- Engineering
- Configuration Management
-
Security Management
- Reviewing Existing Security Policies
- Reviewing the System Architecture
- Reviewing Management Tools and Procedures
- Interviewing Users
- Verifying Configurations of Wireless Devices
- Investigating Physical Installations of Access Points
- Identifying Rogue Access Points
- Performing Penetration Tests
- Analyzing Security Gaps
- Recommending Improvements
- Trouble Ticket Coordination
- Preparing for the Transfer to Operational Mode
- Summary
- Chapter 19. Troubleshooting a Wireless LAN
- Chapter 20. Preparing Operational Support Staff
-
Chapter 18. Managing a Wireless LAN
- Glossary
- Index
Product information
- Title: Designing and Deploying 802.11 Wireless Networks: A Practical Guide to Implementing 802.11n and 802.11ac Wireless Networks, Second Edition
- Author(s):
- Release date: May 2015
- Publisher(s): Cisco Press
- ISBN: 9780133891430
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