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第六章 无线局域网规划与设计 PowerPoint PPT Presentation


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第六章 无线局域网规划与设计. 引入. 在无线局域网部署前,我们并不能明确地知道设备的部署数量和安装方式。只有在对覆盖地点进行勘测和指标计算后,才能确定出 AP 、天线及其他器件的型号和数量。同时通过勘测和指标计算,才能确定 AP 布放的位置、天线的方位角等工程设计参数,作为工程安装的指导资料。. 课程目标. 学习完本课程,您应该能够:. 掌握 WLAN 网络勘测与设计的工作内容和方法 掌握 WLAN 室内覆盖勘测设计原则 掌握 WLAN 室外覆盖勘测设计原则 掌握 WLAN 各种勘测、设计模板. 目录. WLAN 网络勘测操作指导 WLAN 室内覆盖勘测设计

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第六章 无线局域网规划与设计

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  • APAP


  • WLAN

  • WLAN

  • WLAN

  • WLAN


  • WLAN

  • WLAN

  • WLAN


WLAN


1

1

WLAN

1


WLAN


AP

AP

WLAN


WLAN




1611



AP

2.4G5G


AP

-70dBm


1611

AP1611


  • n2.76

PathLoss(dB) = 46 + 10*n*Log D (m)


AP


AP


AP


AP


AP

APAP

AP


AP

AP

802.11aAP802.11gAP


AP



WLAN


WLANH3C


2-3WildPackets AiroPeekwww. wildPackets.com

PDAWiFi Phone

AP


NetIQ Chariot

NetStumbler

/AirMagnet Laptop Analyzer

AirMagnet_Surveyor

WildPackets AiroPeek

-

/-Ekahau




  • CAD

  • Google earth

  • E3D



  • WLAN

  • WLAN

  • WLAN


WLAN


WLANWLAN

WLANAP

WLAN


WLAN

Pr[dB] = Pt[dB] + Gt[dB] - Pl[dB] + Gr[dB]

Pr[dB]

Pt[dB] Gt[dB]

Gr[dB] Pl[dB].

WLAN


2.4G

PathLoss(dB) = 46 + 10*n*LogDm

Dn

6dB


  • n2.76

PathLoss(dB) = 46 +10* n*Log Dm


  • n2.76

PathLoss(dB) = 46 +10* n*Log Dm


WLAN WLANAPAPWLANWLAN

2.4GHz

100-300mm20-40dB

30dB

2-15dB

12mm10dB

APAP



  • WLANAPAP

  • WLAN


60mAP

AP


    • 20m40m10020-30

20m

40m

40m


AP

25m40m100


  • APAP

  • APAP

AP1 : Channel 1

AP2 : Channel 6

AP3 : Channel 11

AP2

25m

AP1

AP3

40m


WLAN

1APAP

2


VS


VS


VS


VS


33


RSSISNRAPAP

3+m/s4+15s()


3


3

1

2

3


1 4

2 MarketingSales

3 EngineeringAP

4

1

2

3 SalesMarketing4

4 1


1 EngineeringAP

2 MarketingSales1AP

3 1


3D1


3D2


3D3


3D4


3D5


3D6


3D7



12m*10m

10m*10m

12m*6m

12m*10m

8m*12m

A

B

AP


  • 36m36m


A

X

B

X

C

X

D

X

E

X

Office

Down

Up

Lobby

F

X

Up

G

X

Office

AP

Meeting

Room

Demo

Room

H

X

Down

Up

Laboratory


AP1 (Ch1)

Down

Up

W-Link

Lobby

AP2 (Ch6)

Up

Office

AP3 (Ch11)

Meeting

Room

Demo

Room

Down

Up


  • WLAN

  • WLAN

  • WLAN


WLAN


WLANAP

AP

APAP


WLAN

WLAN

WLAN


8244~812~24412

40cm50cm


824

30APAP28312


AP

AP


8m


12m


WLAN

WLAN

INTERNET

2

3

1

AC

LS

4

6

5


WLAN

WLAN

802.11a

802.11a

INTERNET

2

3

1

AC

LSW

802.11a

802.11a

6

5

4


AP300

AP


  • WLAN

  • WLAN

  • WLAN


  • Login