OPTIMASI WLAN

Workshop Wireless LAN Michael S. Sunggiardi (michael@sunggiardi.com) PT Marvel Network Sistem

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Workshop Wireless LAN

Workshop Wireless LAN Frekwensi Spektrum

[object Object],[object Object],Workshop Wireless LAN

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Workshop Wireless LAN

[object Object],[object Object],[object Object],Workshop Wireless LAN

[object Object],Workshop Wireless LAN

[object Object],Workshop Wireless LAN 26 MHz 84.5 MHz 125 MHz 2.4 GHz 915 MHz 5.8 GHz World Wide Band 1 2412 2401 2423 2 2417 2406 2428 3 2422 2411 2433 4 2427 2416 2438 5 2432 2421 2443 6 2437 2426 2448 7 2442 2431 2453 8 2447 2436 2458 9 2452 2441 2463 10 2457 2446 2468 11 2462 2451 2473 12 2467 2456 2478 13 2472 2461 2483 2400 ISM Band 14 2484 2473 2495 Channel number Top of channel Center frequency Bottom of channel 2410 2420 2430 2440 2450 2460 2470 2480 MHz

[object Object],[object Object],[object Object],[object Object],[object Object],Workshop Wireless LAN

Workshop Wireless LAN ,[object Object],1 W 2 W 10 W 30 dBm 33 dBm 40 dBm 100 W 50 dBm 100 mW 20 dBm 1 mW 0 dBm 100 uW -10 dBm 0.001 nW -80 dBm

[object Object],[object Object],[object Object],[object Object],Workshop Wireless LAN

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Workshop Wireless LAN

Workshop Wireless LAN ,[object Object]

[object Object],[object Object],Workshop Wireless LAN TIME 1 2 3 4 5 6 7 8 9 10 11 12 f1 f2 f3 f4 f5 Setiap kanal = 1MHz Hopset

Workshop Wireless LAN ,[object Object],4 2,4GHz 5,2GHz Catatan : e : QOS h : 802.11a untuk Eropa i : perbaikan security b a b/i a/h/i a/b/e/g/h/i b/e/g/i b/e/i a/e/h/i

Workshop Wireless LAN ,[object Object],Access Point PCI Card USB PCMCIA Compact Flash Embedded

Workshop Wireless LAN ,[object Object],[object Object],[object Object]

Workshop Wireless LAN ,[object Object],Sumber : DigiTimes 08-2003 3.000K AP, module, NIC, ADSL Belkin Broadcom, Atheros Askey 4.000K ADSL, VoIP, module Cisco, Apple, HPQ, YahooBB Broadcom, Intersil Ambit 4.000K module, NIC Netgear, D-Link Intersil Z-Com 6.000K AP, module, NIC Agere, Proxim, IBM, HPQ Agere USI 6.000K AP, module, NIC D-Link, Accton TI. Atheros GlobalSun 6.000K AP, module, NIC Linksys, Melco, Dell, HPQ Broadcom, Intersil GemTek 7.000K Router, AP, module, NIC Linksys, Melco, Corega, PCI Broadcom, Intersil CyberTAN Shipment Products Customer Chipsets Supplier

Workshop Wireless LAN ,[object Object],LW 2

Workshop Wireless LAN ,[object Object],Mulai dengan memasang Access Point di pojok ruangan dan jalan ke arah luar untuk memonitor kwalitas sambungan dan jarak Geser Access Point ke titik yang paling optimal di sel yang akan kita bikin Catatan : pastikan proses test ini memasukan faktor yang paling buruk, bukan yang terbaik - Tutup semua pintu - Gunakan badan sebagai penghalang 1 2 2 1

Workshop Wireless LAN ,[object Object],[object Object],[object Object],[object Object],[object Object],1 2 3

Workshop Wireless LAN ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],4 5 AP pertama 4 5

Workshop Wireless LAN ,[object Object],Lakukan hal yang sama untuk semua sel 2 1 1 2 1 2 2 1 2 1 X X X

Workshop Wireless LAN ,[object Object],[object Object],[object Object],[object Object]

Workshop Wireless LAN ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Workshop Wireless LAN ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Workshop Wireless LAN

[object Object],Workshop Wireless LAN Radius of n th Fresnel Zone given by: Titik A Titik B ,[object Object],[object Object],d 2 d 1 2 1 2 1 d d d d n r n   

[object Object],Workshop Wireless LAN Karakteristik jalur dapat berubah setiap saat, tergantung keadaan.

Workshop Wireless LAN ,[object Object],[object Object],Horizontal Vertical

Workshop Wireless LAN ,[object Object],[object Object],[object Object],Andrew Corporation Heliax Times Microwave LMR types

Workshop Wireless LAN ,[object Object],[object Object],[object Object],[object Object],Contoh Anti Petir

Workshop Wireless LAN ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Workshop Wireless LAN ,[object Object],[object Object],[object Object],Output Power Threshold System Gain RSL Fade Margin

Workshop Wireless LAN ,[object Object],[object Object],[object Object],Spectrum Analyzer

Workshop Wireless LAN ,[object Object],WatchGuard Firewall Allot Bandwidth Limiter KVM Switch Cisco Router Cisco Router Compex Switch HDSL Modem

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