TAKARIR Access Point
Pusat akses.
Bandwith
Kapasitas transmisi dari sambungan elektronik.
Browsing
Mencari
Coverage area
Daerah Jangkauan
Chatting
Percakapan melalui jaringan intenet.
Free space loss
Redaman ruang bebas
Hardware
Perangkat Keras.
Hotspot
Interface
coverage area yang dimiliki access point agar komputer dgn perangkat wireless disekitar dapat terkoneksi internet Antar Muka
Infrared
Infra Merah
Local area network
Koneksi Area Lokal.
Network Operation Center
Pusat Pengoprasian Jaringan
Open source
bahasa pemrograman yang tersedia gratis.
Personal Computer
Komputer Pribadi
Radio Frekuensi
frekuensi radio
Receiver
Penerima.
Resource sharing
Berbagi sumber daya.
Roaming
Perpindahan range dari satu Access Point satu ke Access Point yang lain.
Software
perangkat lunak.
Server
Pusat pengatur layanan
Tranceiver
Perangkat yang mengirim & menerima informasi.
User
Pemakai
Workstation
Kumpulan komputer pada sebuah jaringan.
Wireless
Tanpa kabel.
Wide Area Network
Jaringan pada suatu negara area geografis yang luas seperti negara atau benua.
x
DAFTAR ISI 8
LEMBAR PENGESAHAN PEMBIMBING .........................................................ii LEMBAR PENGESAHAN PENGUJI ...................................................................iii HALAMAN PERSEMBAHAN ..............................................................................iv HALAMAN MOTTO ..............................................................................................v KATA PENGANTAR ..............................................................................................vi ABSTRAKSI.............................................................................................................ix TAKARIR .................................................................................................................x DAFTAR ISI .............................................................................................................xi DAFTAR TABEL ....................................................................................................xiv DAFTAR GAMBAR ................................................................................................xv BAB I PENDAHULUAN .........................................................................................1 1.1
Latar Belakang Masalah ..............................................................................1
1.2
Rumusan Masalah .......................................................................................2
1.3
Batasan Masalah..........................................................................................2
1.4
Tujuan Penelitian ........................................................................................2
1.5
Manfaat Penelitian ......................................................................................2
1.6
Metodologi Penelitian .................................................................................3 1.6.1 Waktu, Objek dan Tempat Penelitian ..............................................3 1.6.2 Identifikasi Masalah .........................................................................3 1.6.3 Metode Pengumpulan Data ..............................................................3
1.7
Sistematika Penulisan .................................................................................4
BAB II LANDASAN TEORI ..................................................................................6 2.1
Pengenalan Jaringan Komputer...................................................................6
2.2
Klasifikasi Jaringan Komputer....................................................................7 2.2.1 Local Area Network (LAN) .............................................................7 2.2.2 Metropolitan Area Network (MAN) ................................................8 2.2.3 Wide Area Network (WAN) ............................................................8
xi
2.3
Wireless LAN..............................................................................................9 2.3.1 Sejarah Wireless LAN......................................................................9 2.3.2 Standart Wireless LAN ....................................................................9 2.3.1 Standarisasi IEEE 802.11 .................................................................13
2.4
Arsitektur Jaringan Wireless .......................................................................17 2.4.1 Sinyal Digital Informasi ...................................................................20 2.4.2 Udara sebagai Media Pertukaran Data .............................................22
2.5
Infrastruktur Jaringan Fisik Wireless ..........................................................22 2.5.1 Antena pada Jaringan Wireless ........................................................25
2.6 Topologi Jaringan Wireless .........................................................................26 2.6.1 Independent Basic Service Set (IBSS) .............................................26 2.6.2 Basic Service Set (BSS) ...................................................................27 2.6.3 Extended Service Set (ESS) .............................................................27 2.7 Teori Analisis Estimasi ...............................................................................29 2.7.1 Point Estimasi ..................................................................................29 2.7.2 Interval Estimasi...............................................................................29 2.7.3 Analisis Estimasi Untuk Proporsi ....................................................30 2.8 Sekilas Tentang Perumahan Sidanegara Cilacap ........................................31 BAB III METODOLOGI ........................................................................................32 3.1
Penelitian Lapangan ....................................................................................32 3.1.1 Identifikasi Lokasi ............................................................................33 3.1.2 Pengambilan Data Primer ................................................................33 3.1.3 Tipe User ..........................................................................................33 3.1.4 Pembuatan Rancangan Jaringan .......................................................34 3.1.5 Perhitungan Estimasi Biaya .............................................................34
3.2
Perhitungan Link Budget .............................................................................34 3.2.1 Propogasi NLOS ..............................................................................35 3.2.2 Propogasi LOS .................................................................................36 3.2.3 Perhitungan EIRP (Effective Isotropic Radiated Power) .................36 3.2.4 Perhitungan RSL (Receive Signal Level) .........................................37
3.3
Perancangan Jaringan Wireless Perumahan Sidanegara Cilacap ................37
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3.3.1 Keamanan Jaringan ..........................................................................39 BAB IV ANALISIS DAN PEMBAHASAN ...........................................................40 4.1
Analisa Hasil Perancangan dan Penempatan Access Point.........................40
4.2
Analisa Perhitungan Link Budget Perancangan Jaringan Wireless .............45 4.2.1 Mengkonversi Besar Daya Pemancar ..............................................46 4.2.2 Menghitung Free Space Loss (FSL).................................................46 4.2.3 Menghitung Effective Isotropic Radiated Power (EIRP) ................46 4.2.4 Menghitung Receive Signal Level (RSL) ........................................47
4.3
Estimasi Biaya .............................................................................................49 4.3.1 Modal Pra-Operasional ....................................................................49 4.3.2 Investasi Peralatan Teknologi Informasi ..........................................49 4.3.3 Investasi NOC ..................................................................................51 4.3.4 Estimasi Biaya Operasional .............................................................52
4.4 Analisa Keuntungan Usaha ..........................................................................53 4.5 Analisa Organisasi Pengelola Jaringan Wifi................................................54 4.6 Analisa Perbandingan performance dengan layanan speed personal ..........55 4.7 Hasil Pengujian Ketertarikan Menggunakan Kuesioner ..............................57 BAB V PENUTUP ....................................................................................................59 5.1
Kesimpulan .................................................................................................59
5.2
Saran ............................................................................................................60
DAFTAR PUSTAKA ...............................................................................................62 LAMPIRAN ..............................................................................................................63
xiii
DAFTAR TABEL
Tabel 2.1
Perbandingan WLAN dengan RF ....................................... 12
Tabel 2.2
Pita ISM (Indusrial Scientific and Medical) ....................... 12
Tabel 2.3
Perkembangan standar 802.11 ............................................ 14
Tabel 4.1
Hasil Perhitungan Link Budget............................................ 48
Tabel 4.2
Estimasi Biaya dan Daftar Barang yang dibutuhkan .......... 50
Tabel 4.3
Investasi Biaya Network Operating System ....................... 52
Tabel 4.4
Estimasi Biaya Operasional ................................................ 52
Tabel 4.5
Analisis Pendapatan Usaha Per Bulan ............................... 53
Tabel 4.6
Analisis Perbandingan layanan WiFi & Speedy Personal . 56
Tabel 4.7
Hasil jawaban responden..................................................... 57
xiv
DAFTAR GAMBAR
Gambar 2.1
Wide Area Network ............................................................. 8
Gambar 2.2
Adapter Wireless berbentuk Card PCI ................................ 23
Gambar 2.3
Access Point ........................................................................ 23
Gambar 2.4
Antena (omni atau sectoral) dan bridge .............................. 24
Gambar 2.5
Komunikasi peer to peer pada jaringan Ad Hoc ................. 26
Gambar 2.6
Topologi Basic Service set (BSS) ....................................... 27
Gambar 2.7
Extended Service set (ESS)................................................. 28
Gambar 2.8
Extended service Set (ESS) dengan distribution System .... 28
Gambar 3.1
Langkah-langkah penelitian ................................................ 32
Gambar 3.2
Rancangan Layout sederhana jaringan Wifi perumahan .... 38
Gambar 4.1
Struktur Organisasi Perusahaan .......................................... 54
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