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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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4393101


4393101

  • APAP


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  • WLAN

  • WLAN

  • WLAN

  • WLAN


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  • WLAN

  • WLAN

  • WLAN


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WLAN


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1

1

WLAN

1


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WLAN


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AP

AP

WLAN


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WLAN


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1611


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AP

2.4G5G


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AP

-70dBm


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1611

AP1611


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  • n2.76

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


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AP


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AP


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AP


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AP


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AP

APAP

AP


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AP

AP

802.11aAP802.11gAP


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AP


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WLAN


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WLANH3C


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2-3WildPackets AiroPeekwww. wildPackets.com

PDAWiFi Phone

AP


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NetIQ Chariot

NetStumbler

/AirMagnet Laptop Analyzer

AirMagnet_Surveyor

WildPackets AiroPeek

-

/-Ekahau


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  • CAD

  • Google earth

  • E3D


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  • WLAN

  • WLAN

  • WLAN


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WLAN


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WLANWLAN

WLANAP

WLAN


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WLAN

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

Pr[dB]

Pt[dB] Gt[dB]

Gr[dB] Pl[dB].

WLAN


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2.4G

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

Dn

6dB


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  • n2.76

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


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  • n2.76

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


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WLAN WLANAPAPWLANWLAN

2.4GHz

100-300mm20-40dB

30dB

2-15dB

12mm10dB

APAP


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  • WLANAPAP

  • WLAN


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60mAP

AP


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    • 20m40m10020-30

20m

40m

40m


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AP

25m40m100


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  • APAP

  • APAP

AP1 : Channel 1

AP2 : Channel 6

AP3 : Channel 11

AP2

25m

AP1

AP3

40m


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WLAN

1APAP

2


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VS


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VS


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VS


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VS


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33


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RSSISNRAPAP

3+m/s4+15s()


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3


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3

1

2

3


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1 4

2 MarketingSales

3 EngineeringAP

4

1

2

3 SalesMarketing4

4 1


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1 EngineeringAP

2 MarketingSales1AP

3 1


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3D1


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3D2


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3D3


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3D4


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3D5


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3D6


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3D7


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12m*10m

10m*10m

12m*6m

12m*10m

8m*12m

A

B

AP


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  • 36m36m


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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


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AP1 (Ch1)

Down

Up

W-Link

Lobby

AP2 (Ch6)

Up

Office

AP3 (Ch11)

Meeting

Room

Demo

Room

Down

Up


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  • WLAN

  • WLAN

  • WLAN


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WLAN


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WLANAP

AP

APAP


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WLAN

WLAN

WLAN


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8244~812~24412

40cm50cm


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824

30APAP28312


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AP

AP


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8m


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12m


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WLAN

WLAN

INTERNET

2

3

1

AC

LS

4

6

5


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WLAN

WLAN

802.11a

802.11a

INTERNET

2

3

1

AC

LSW

802.11a

802.11a

6

5

4


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AP300

AP


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  • WLAN

  • WLAN

  • WLAN


  • Login