پیاده سازی شبکه های بی سیم CWNA

 

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 and coding schemes (MCS) used for 802.11 communications
  • How channels and bandwidth are related to each other in wireless networks
  • Types of Spread Spectrum used in wireless networking

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
  • Understand 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
  • Understand the two standards currently available for PoE
  • Powering 802.11n APs

Basic WLAN Analysis

  • Protocol Analysis
  • ۸۰۲٫۱۱ Frame Types
  • Data Frames
  • Control Frames
  • Management Frames
  • Protection Mechanisms
  • Legacy Power Saving operations
  • Transmission Rates

Coordinating 802.11 Frame Transmissions

  • Differences between CSMA/CD and CSMA/CA
  • Distributed Coordination Function (DCF)
  • Network Allocation Vector (NAV)
  • Clear Channel Assessment (CCA)
  • Interframe Spacing (IFS)
  • Contention Window (CW)
  • Quality of Service in 802.11 WLANs
  • Point Coordination Function (PCF)
  • Hybrid Coordination Function (HCF)

RF Math and System Operating Margin

  • RF units of measure
  • Basic RF mathematics
  • RF signal measurements
  • Understand link budgets

۸۰۲٫۱۱ Service Sets

  • Three types of service sets defined for use within 802.11 WLANs
  • ۸۰۲٫۱۱ authentication and association
  • ۸۰۲٫۱۱ network infrastructure
  • Roaming within a WLAN
  • Load-balancing as a method to improve congestion in WLANs
  • The 802.11n Amendment

Challenges addressed by 802.11n

  • ۸۰۲٫۱۱n PHY/MAC layer enhancements
  • MIMO and SISO systems
  • ۸۰۲٫۱۱n coexistence mechanisms
  • ۸۰۲٫۱۱n integration and deployment considerations
  • ۸۰۲٫۱۱n site surveying and analysis

Wireless LAN Operation

  • WLAN Hardware Devices
  • WLAN Software
  • Architecture Types and Evolution
  • Ad Hoc & Infrastructure Connectivity Operation
  • AP Modes
  • Bridging & Repeating
  • Mesh Networking
  • WLAN Controller Deployments
  • WLAN Profiles
  • Multichannel Architecture (MCA)
  • Single Channel Architecture (SCA)
  • WLAN Management Systems (WNMS)

WLAN Security

  • The Importance of WLAN Security
  • Security Policy
  • Legacy WLAN Security Mechanisms
  • Modern WLAN Security Mechanisms
  • Baseline WLAN Security Practices

Site Surveying

  • Defining an RF site survey
  • Spectrum Analysis
  • Types of RF site surveys
  • Manual RF site surveys
  • Predictive Modeling
  • Dense AP deployments

Antennas

  • Types of antennas and antenna systems commonly used in 802.11 WLANs
  • Antenna Polarization and Gain
  • Antenna implementation and safety
  • Types of antenna cables, connectors, and other accessories

 


پیاده سازی زیر ساخت بیسیم

+Network

 

– معرفی استاندارد ۸۰۲٫۱۱ WLAN ها
– مفاهیم فرکانس رادیویی
– قواعد و قوانین قدرت خروجی فرکانس رادیویی
– انتقال برق از روی شبکه
– آنالیز مقدماتی شبکه های بی سیم
– هماهنگ کردن انتقال فریم ها در شبکه ۸۰۲٫۱۱n
– محاسبات فرکانس رادیویی
– مجموعه های سرویس ۸۰۲٫۱۱
– چالش هایی که با ۸۰۲٫۱۱ رفع می گردند
– کاربرد شبکه های بی سیم
– امنیت بی سیم
– پیمایش محیط
– آنتن ها

 


دسته بندی ها: سایرشبکه و سخت افزار

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  • ساختمان1.خیابان ارم.نبش کوچه2
  • 32251000 داخلی 130

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