Professional Hands-on Workshop
RF Engineering • 6 GHz • Wi-Fi 7 MLO • Enterprise Security • Ekahau Design • Troubleshooting • AI-Assisted Analysis
หลักสูตรระดับ Professional Masterclass สำหรับผู้ที่ต้องการออกแบบ ติดตั้ง ปรับแต่ง รักษาความปลอดภัย ตรวจวัด และแก้ไขปัญหาระบบ Enterprise Wireless LAN สมัยใหม่ ตั้งแต่ Wi-Fi 6, Wi-Fi 6E ไปจนถึง Wi-Fi 7 โดยมุ่งเน้นกระบวนการทำงานแบบ Wireless Engineer ที่สามารถนำไปใช้จริงในองค์กร ไม่จำกัดอยู่เพียงการตั้งค่า Access Point หรือ Controller เท่านั้น
เครือข่ายไร้สายยุคใหม่ไม่ได้แข่งขันกันเฉพาะเรื่องความเร็ว แต่เกี่ยวข้องกับ Capacity, Latency, Mobility, 6 GHz Spectrum, Multi-Link Operation, Enterprise Identity, Security และความสามารถในการพิสูจน์คุณภาพหลังการติดตั้ง หลักสูตรนี้จึงเชื่อมโยง RF Engineering, Network Design, Security, Site Survey, Performance Validation และ Troubleshooting เข้าเป็นกระบวนการเดียวกัน
วัตถุประสงค์ของหลักสูตร
- เข้าใจหลักการ RF และพฤติกรรมของ 2.4 GHz, 5 GHz และ 6 GHz อย่างเป็นระบบ
- ออกแบบ Enterprise Wi-Fi โดยใช้ทั้ง Coverage-Based และ Capacity-Based Design
- เข้าใจและทดสอบเทคโนโลยีสำคัญของ Wi-Fi 6/6E/7 เช่น OFDMA, MU-MIMO, BSS Coloring, 320 MHz, Multi-RU, 4K-QAM, Preamble Puncturing และ MLO
- ออกแบบ Wireless Security ด้วย WPA3, PMF, OWE, IEEE 802.1X, RADIUS และ EAP-TLS
- ออกแบบ Roaming และ Mobility สำหรับ Voice, Video, Handheld และ Mobile Applications
- ใช้ Ekahau และเครื่องมือวิเคราะห์เพื่อทำ Predictive Design, Survey, Validation และ Capacity Planning
- ตรวจวัด Throughput, Latency, Jitter, Packet Loss, Retry Rate, RSSI, SNR และ Channel Utilization
- แก้ไขปัญหา Wi-Fi แบบ Layer-by-Layer และใช้ AI ช่วยวิเคราะห์ Log, RF Metrics และ Root Cause
ผู้ที่เหมาะสมในการอบรม
- Network Engineers / Network Administrators
- Wireless Engineers / Wireless Administrators
- System & Infrastructure Engineers
- Cybersecurity Engineers ที่ดูแล Wireless Security
- IT Managers / Technical Leads
- ผู้รับผิดชอบการออกแบบและติดตั้ง Enterprise WLAN
- ผู้ที่มีพื้นฐาน Wi-Fi และต้องการยกระดับสู่ระดับ Engineering / Professional
พื้นฐานที่ควรมีในการอบรมหลักสูตรนี้
- มีพื้นฐาน TCP/IP, VLAN, Switching และ Routing เบื้องต้น
- เข้าใจการใช้งาน Access Point และ Wireless LAN ขั้นพื้นฐาน
- สามารถใช้งาน Windows หรือ Linux Command Line เบื้องต้น
- ไม่จำเป็นต้องมีประสบการณ์ Wi-Fi 7 มาก่อน
รายละเอียดหลักสูตร
Module 1: Modern Enterprise Wireless Networking Architecture
1.1 Evolution of Enterprise Wi-Fi
- Wi-Fi 4 / 5 / 6 / 6E / 7 Evolution
- IEEE 802.11 Standards Overview
- From Coverage-Based Wi-Fi to Capacity-Based Wi-Fi
- Enterprise WLAN Architecture
- Autonomous AP vs Controller-Based WLAN
- Cloud-Managed WLAN
- Distributed vs Centralized Wireless Architecture
1.2 Modern WLAN Infrastructure Components
- Access Points and Wireless Controllers
- Cloud Controllers
- PoE / Multi-Gigabit Switching
- RADIUS / AAA
- DHCP / DNS
- VLAN Infrastructure
- Firewall and NAC Integration
1.3 Wireless Engineering Workflow
- Requirements Analysis
- RF Planning
- Capacity Planning
- AP Placement
- Channel Planning
- Security Architecture
- Deployment, Validation and Optimization
Module 2: RF Engineering for Wi-Fi Professionals
2.1 RF Fundamentals
- Frequency, Wavelength, Amplitude and Phase
- RF Power, dB and dBm
- RSSI, SNR and Noise Floor
2.2 RF Propagation
- Free Space Path Loss
- Reflection, Refraction and Diffraction
- Absorption, Attenuation and Multipath
2.3 Antenna Engineering
- Omnidirectional vs Directional Antennas
- Antenna Gain and Beamwidth
- Polarization and Radiation Pattern
- MIMO Antenna Systems
2.4 Wi-Fi Coverage Engineering
- Cell Size and Coverage Overlap
- Minimum RSSI and SNR Requirements
- Coverage vs Capacity
- Sticky Client and Cell-Edge Performance
Hands-on Labs
- Lab 1: RF Signal Measurement: RSSI, SNR, Noise Floor, Data Rate and Channel Utilization
Module 3: Wi-Fi Spectrum and Channel Engineering
3.1 2.4 GHz Engineering
- Channel Structure
- Co-Channel and Adjacent Channel Interference
- Channel Reuse
3.2 5 GHz Engineering
- Channel Planning and DFS
- 20 / 40 / 80 / 160 MHz
- Channel Reuse Strategy
3.3 6 GHz Engineering
- 6 GHz Channel Structure
- 20 / 40 / 80 / 160 / 320 MHz
- Preferred Scanning Channels
- 6 GHz Discovery and Client Compatibility
- 6 GHz Coverage Considerations
3.4 Regulatory Concepts
- Indoor Low-Power Operation
- Standard Power Concepts
- Automated Frequency Coordination (AFC) Concepts
- Regulatory Domain Considerations
Hands-on Labs
- Lab 2: 2.4 GHz vs 5 GHz vs 6 GHz RF Comparison
- Lab 3: Channel Width vs Throughput (20/40/80/160/320 MHz)
- Lab 4: Channel Interference Analysis
Module 4: Wi-Fi 6 Engineering
4.1 Wi-Fi 6 / IEEE 802.11ax Architecture
- High-Efficiency WLAN and High-Density Design
4.2 OFDMA
- OFDM vs OFDMA
- Resource Units
- Downlink and Uplink OFDMA
- Multi-Client Efficiency
4.3 MIMO and Spatial Reuse
- SU-MIMO and MU-MIMO
- Spatial Streams and Beamforming
- BSS Coloring and OBSS
4.4 Power and MAC/PHY Enhancements
- Target Wake Time
- HE Frames and Trigger Frames
- Dual Carrier Modulation
- Resource Scheduling
Hands-on Labs
- Lab 5: Wi-Fi 6 OFDMA Multi-Client Test
- Lab 6: MIMO / Spatial Stream Verification
- Lab 7: BSS Coloring and Channel Utilization Analysis
- Lab 8: Wi-Fi 6 Latency Under Load
Module 5: Wi-Fi 6E and 6 GHz Network Engineering
5.1 Wi-Fi 6E Architecture
- Wi-Fi 6 vs Wi-Fi 6E
- Advantages of 6 GHz and Clean Spectrum
- Capacity Benefits
5.2 6 GHz WLAN Discovery
- Reduced Neighbor Reports
- Preferred Scanning Channels
- Out-of-Band Discovery
5.3 6 GHz Coverage and Migration
- Propagation Differences and AP Density
- Tri-Band Network Design
- SSID Strategy
- Legacy and 6 GHz Client Coexistence
Hands-on Labs
- Lab 9: Enable and Validate 6 GHz WLAN
- Lab 10: 5 GHz vs 6 GHz RSSI/SNR Survey
- Lab 11: 5 GHz vs 6 GHz Throughput Comparison
Module 6: Wi-Fi 7 Engineering
6.1 IEEE 802.11be / EHT Architecture
- Wi-Fi 7 Design Goals
- Wi-Fi 6E vs Wi-Fi 7
6.2 320 MHz Channels
- Channel Architecture
- Throughput Potential
- Spectrum Consumption
- When NOT to Use 320 MHz
6.3 4096-QAM and Multi-RU
- MCS and Signal Quality Requirements
- Flexible Resource Unit Allocation
- Real-World Limitations
6.4 Preamble Puncturing and Enhanced MU-MIMO
- Interference Avoidance
- Partial Channel Utilization
- Multi-User Capacity
Hands-on Labs
- Lab 12: Wi-Fi 7 320 MHz Performance Test
- Lab 13: Wi-Fi 6 vs Wi-Fi 7 Benchmark
- Lab 14: Wi-Fi 7 Retry Rate and Link Stability Analysis
Module 7: Multi-Link Operation (MLO) Engineering
7.1 Understanding MLO
- Multi-Link Device, Multi-Link AP and Multi-Link Client
- Link Setup and Link Management
7.2 MLO Operating Concepts
- Multi-Radio Operation
- STR Concepts
- EMLSR Concepts
- Link Selection and Switching
7.3 MLO Engineering Benefits
- Throughput Aggregation
- Latency Reduction
- Link Resilience
- Load Distribution
7.4 Design Considerations
- Client Support
- Band Combination
- Security Requirements
- Roaming and Spectrum Usage
Hands-on Labs
- Lab 15: Enable and Validate MLO
- Lab 16: MLO vs Single-Link Throughput
- Lab 17: MLO Latency and Jitter Test
- Lab 18: Concurrent MLO Client Performance
Module 8: Enterprise Wi-Fi Security Architecture
8.1 Wireless Threat Landscape
- Rogue AP and Evil Twin
- Deauthentication Attacks
- Credential Attacks
- Unauthorized Clients and Misconfiguration Risks
8.2 WPA2 / WPA3 Architecture
- WPA3-Personal and SAE
- WPA3-Enterprise
- Encryption and Key Management
8.3 PMF and Enhanced Open
- IEEE 802.11w Protected Management Frames
- OWE for Encrypted Guest Access
8.4 6 GHz / Wi-Fi 7 Security
- WPA3 and PMF Requirements
- MLO Security
- Modern Cipher Considerations
- Legacy Client Compatibility
Hands-on Labs
- Lab 19: WPA3-Personal Configuration
- Lab 20: Enhanced Open / OWE Guest WLAN
- Lab 21: PMF Validation and Deauthentication Protection
- Lab 22: WPA3-Enterprise with RADIUS
Module 9: Enterprise Identity, AAA and Zero Trust Wireless
9.1 IEEE 802.1X and RADIUS
- Supplicant, Authenticator and Authentication Server
- Authentication, Authorization and Accounting
9.2 Enterprise Authentication
- PEAP
- EAP-TLS
- Certificate Authentication
9.3 Identity-Based WLAN
- Employee, Contractor, Guest, BYOD and IoT
9.4 Segmentation and Zero Trust
- SSID-to-VLAN Mapping
- Dynamic VLAN
- Role-Based Access
- Least Privilege
- NAC Integration and Continuous Visibility
Hands-on Labs
- Lab 23: SSID-to-VLAN Enterprise Segmentation
- Lab 24: RADIUS / EAP-TLS Authentication
- Lab 25: Employee / Guest / IoT Wireless Segmentation
Module 10: Roaming Engineering
10.1 Wi-Fi Roaming Fundamentals
- Client-Driven Roaming
- Coverage Overlap
- Roaming Threshold
10.2 Fast Roaming Technologies
- IEEE 802.11k
- IEEE 802.11v
- IEEE 802.11r
10.3 Roaming Design
- Voice over Wi-Fi
- Video Conferencing
- Warehouse Scanners
- Healthcare and Mobile Devices
10.4 Roaming Troubleshooting
- Sticky Clients
- Slow Roaming
- Authentication Delay
- Packet Loss During Roaming
Hands-on Labs
- Lab 26: Fast Roaming 802.11r/k/v
- Lab 27: Roaming Latency and Packet Loss Measurement
Module 11: Capacity and High-Density Wi-Fi Design
11.1 Coverage vs Capacity
- Client Density Planning
- Users per AP
- Devices per User
- Application Requirements
11.2 Airtime and Application Capacity
- Airtime Utilization
- Slow Client Impact
- Channel Utilization
- Voice, Video, Teams/Zoom, Cloud Applications, CCTV and IoT
11.3 High-Density Environments
- Meeting Rooms
- Classrooms
- Conference Areas
- Auditoriums and Stadium Concepts
Hands-on Labs
- Lab 28: Capacity Planning for 50 Concurrent Users
Module 12: Enterprise Wi-Fi Infrastructure Design
12.1 Wired Backhaul for Wi-Fi 6/7
- 1 GbE Limitations
- 2.5 / 5 / 10 GbE Multi-Gigabit Ethernet
12.2 Power Engineering
- PoE, PoE+ and PoE++
- AP Power Budget
12.3 Network Services Integration
- VLAN and Switching Architecture
- DHCP and DNS Architecture
- Firewall Integration
- High Availability
- Internet and WAN Considerations
Module 13: Wireless Site Survey and Ekahau Engineering
13.1 Site Survey Methodology
- Predictive Survey
- Passive Survey
- Active Survey
- AP-on-a-Stick Survey
- Validation Survey
- Spectrum Survey
13.2 Requirements Gathering
- Floor Plans
- Wall Materials
- User Density
- Application Requirements
- Coverage Requirements
13.3 Predictive Design
- Floor Plan Import
- Wall Attenuation
- AP Selection and Placement
- Channel and Power Planning
Hands-on Labs
- Lab 29: Ekahau Predictive Design
- Lab 30: AP-on-a-Stick Survey
- Lab 31: Predictive vs Actual Coverage Validation
- Lab 32: Capacity Analysis with Ekahau
Module 14: Wireless Spectrum Analysis
14.1 Wi-Fi and Non-Wi-Fi Interference
- Bluetooth
- Wireless Cameras
- Microwave Devices
- IoT
- Neighboring WLANs
14.2 Spectrum Analysis Methodology
- Channel Utilization
- Noise Floor
- Interference Patterns
- Corrective Actions
Hands-on Labs
- Lab 33: Wireless Interference Investigation
Module 15: Performance Engineering and Benchmarking
15.1 Throughput and Transport Testing
- TCP vs UDP
- Single Stream vs Multi-Stream
15.2 Quality Metrics
- Latency
- Jitter
- Packet Loss
- Retry Rate
- Airtime Utilization
15.3 Performance Baseline
- Baseline Methodology
- Before/After Validation
- Evidence-Based Acceptance Criteria
Hands-on Labs
- Lab 34: Enterprise Wi-Fi Performance Baseline with iperf3
- Lab 35: TCP vs UDP Performance Analysis
- Lab 36: Latency/Jitter Under Network Load
Module 16 :Wi-Fi Troubleshooting Engineering
16.1 Layer-by-Layer Troubleshooting
- RF Layer
- 802.11 Layer
- Authentication
- DHCP
- DNS
- VLAN
- Routing
- Firewall
16.2 Client Connectivity Problems
- Cannot See SSID
- Authentication Failure
- DHCP Failure
- Limited Connectivity
- Frequent Disconnect
16.3 Performance Problems
- Low Throughput
- High Latency
- High Retry Rate
- Poor RSSI / SNR
- Channel Congestion
16.4 Advanced Troubleshooting
- Roaming Problems
- 6 GHz Problems
- MLO Problems
Hands-on Labs
- Lab 37: Client Cannot Connect
- Lab 38: Incorrect VLAN / DHCP Troubleshooting
- Lab 39: High Latency and Packet Loss
- Lab 40: Channel Congestion Scenario
- Lab 41: Poor Roaming Scenario
- Lab 42: Wi-Fi 7 MLO Troubleshooting
Module 17: AI-Assisted Wireless Network Analysis
17.1 AI as a Wireless Engineering Copilot
- RF Measurement Analysis
- Wi-Fi Log Analysis
- Client Failure Analysis
- Configuration Review
- Design Review
17.2 AI-Assisted Root Cause Analysis
- RSSI / SNR / Noise Floor
- Channel Utilization
- Retry Rate
- Client Count
- Authentication and DHCP Logs
17.3 AI-Assisted Troubleshooting Workflow
- Telemetry → Analysis → Possible Causes → Root Cause → Recommended Action → Validation
Hands-on Labs
- Lab 43: AI-Assisted Wi-Fi Health Analysis
- Lab 44: AI Root Cause Analysis from Wireless Logs
- Lab 45: AI Review of Wireless Design
Module 18: Real-World Enterprise Wireless Design Workshop
18.1 Design Scenarios
- Corporate Office
- Educational Campus
- Warehouse
- Hospital
- Hotel
- Retail / Shopping Mall
- Industrial / Factory Environment
18.2 Required Engineering Decisions
- Wireless Requirements
- AP Type and Quantity
- AP Placement
- Frequency Bands and Channel Width
- VLAN and Security Model
- Roaming Requirements
- Capacity
- Wired Backhaul and PoE Requirements
Module 19: Final Enterprise Wireless Engineering Challenge
19.1 Integrated Troubleshooting Scenario
- Incorrect AP Placement
- Coverage Holes
- Channel Overlap
- Excessive Channel Width
- Poor Roaming
- VLAN / DHCP Problems
- WPA3 / PMF Compatibility Issues
- 6 GHz Client Problems
- MLO Configuration Problems
- High Retry Rate / High Latency
19.2 Required Professional Workflow
- Discover → Measure → Analyze → Diagnose → Correct → Validate → Document
Hands-on Labs
- Lab 46: Final Real-World Enterprise Wi-Fi Troubleshooting Challenge
19.3 Professional Engineering Templates Provided
- Wireless Requirements Assessment Form
- Wi-Fi Design Checklist
- RF Design Worksheet
- AP Placement Worksheet
- Channel Planning Worksheet
- Capacity Planning Worksheet
- SSID / VLAN Matrix
- Wireless Security Matrix
- Wi-Fi Site Survey Checklist
- Wireless Commissioning Checklist
- Wi-Fi Performance Baseline Form
- Troubleshooting Workflow
- Root Cause Analysis Template
- Bill of Materials (BOM) Template
- Final Wireless Design Report Template
- Wi-Fi Health Check Report Template
19.4 Technologies and Tools Used in Class
- TP-Link Omada Wi-Fi 6 Access Points
- TP-Link Omada Wi-Fi 7 Access Points
- Omada OC300 Hardware Controller
- Managed PoE / Multi-Gigabit Switches
- Windows / Linux Clients
- Wi-Fi 6/6E/7 Client Devices
- FreeRADIUS / Windows NPS or equivalent RADIUS platform
- iperf3
- Wireshark
- Ekahau
- Wireless Analysis / Spectrum Analysis Tools
- AI-Assisted Analysis Tools