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Wireless

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Jaringan Wireless di Dunia Berkembang

Edisi ke Dua

Sebuah panduan praktis untuk merencanakan dan membuat infrastruktur telekomunikasi biaya murah

Jaringan Wireless di Dunia BerkembangUntuk informasi tentang proyek ini, kunjungi kami di http://wndw.net/ Edisi pertama, Januari 2006 Edisi kedua, Desember 2007 Banyak istilah dan merek yang digunakan oleh para pabrikan dan vendor untuk membedakan produk mereka dan di klaim sebagai merek dagang. Jika ada istilah dan mereka tersebut muncul di buku ini, dan para penulis mengetahu akan klaim trademark, maka istilah dan merek tersebut akan di ketik dengan semua huruf besar atau awalnya huruf besar. Semua mereka dagang adalah milik dari para pemilik masing-masing. Para penulis dan penerbit telah berusaha semaksimal mungkin untuk memperhatikan hal tersebut dalam menyiapkan buku ini, tapi tidak memberikan pernyataan atau implikasi garansi akan segala hal dan tidak bertanggung jawab jika ada kesalahan atau ketidak sengajaan. Tidak bertanggung jawab atas kecelakaan atau kerusakan yang berhubungan dengan atau terjadi karena penggunaan informasi yang ada di buku ini.

2007 Hacker Friendly LLC, http://hackerfriendly.com/

Pekerjaan ini di lepaskan di bawah lisensi Creative Commons Attribution-ShareAlike 3.0. Untuk lebih detail tentang hak anda untuk menggunakan dan mendistribusikan pekerjaan ini, silahkan lihat di http://creativecommons.org/licenses/by-sa/3.0/

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Daftar isiBab 1 Dimana harus Memulai....................................................................................................................1 Tujuan dari buku ini..............................................................................................................................2 Memasukkan nirkabel ke jaringan anda yang sudah ada......................................................................2 Protokol jaringan nirkabel.....................................................................................................................3 Tanya & Jawab......................................................................................................................................5 Bab 2 Pengenalan Praktis pada Fisika Radio.............................................................................................8 Apakah gelombang?..............................................................................................................................8 Polarisasi..............................................................................................................................................11 Spektrum Elektromagnetik..................................................................................................................12 Bandwidth ..........................................................................................................................................14 Frekuensi dan Kanal............................................................................................................................14 Perilaku Gelombang Radio.................................................................................................................15 Line of sight ........................................................................................................................................23 Daya.....................................................................................................................................................26 Fisika dalam dunia nyata.....................................................................................................................28 Bab 3 Disain Jaringan..............................................................................................................................29 Merancang jaringan fisik.....................................................................................................................54 Jaringan nirkabel 802.11.....................................................................................................................58 Jaringan Mesh dengan OLSR..............................................................................................................60 Estimasi kapasitas................................................................................................................................70 Optimasi Trafik....................................................................................................................................86 Optimasi sambungan Internet..............................................................................................................97 Informasi lebih lanjut .......................................................................................................................101 Bab 4 Antena & Jalur Transmisi ...........................................................................................................102 Kabel.................................................................................................................................................102 Pemandung atau Bumbung Gelombang...........................................................................................104 Konektor dan Adapter ......................................................................................................................106 Antena dan pola radiasi.....................................................................................................................109 Teori Reflektor...................................................................................................................................122 Amplifier...........................................................................................................................................123 Disain praktis antenna.......................................................................................................................125 Bab 5 Perangkat Keras Jaringan............................................................................................................142 Nirkabel yang tersambung.................................................................................................................142 Memilih komponen nirkabel ............................................................................................................144 Solusi Komersial vs. DIY..................................................................................................................146 Membuat sebuah Akses Point dari PC .............................................................................................150 Bab 6 Keamanan & Pengawasan...........................................................................................................163 Keamanan secara Fisik......................................................................................................................163 Ancaman Terhadap Jaringan.............................................................................................................165 Authentikasi.......................................................................................................................................168 Privasi ...............................................................................................................................................173 Network Monitoring .........................................................................................................................181 Trafik Normal? .................................................................................................................................211 Bab 7 Pembangkit Listrik Tenaga Surya ...............................................................................................220 Energi surya ......................................................................................................................................220

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Komponen sistem Photovoltaic ........................................................................................................221 Panel surya .......................................................................................................................................222 Baterai ..............................................................................................................................................223 Regulator...........................................................................................................................................224 Konverter...........................................................................................................................................239 Peralatan atau beban..........................................................................................................................241 Prosedur perhitungan Sistem Photovoltaic........................................................................................251 Biaya instalasi pembangkit listrik tenaga surya ...............................................................................255 Bab 8 Membangun sebuah Node Luar Ruang ......................................................................................257 Penutup kedap air..............................................................................................................................257 Menyediakan daya.............................................................................................................................258 Pertimbangan peletakan ...................................................................................................................259 Pengamanan.......................................................................................................................................265 Mengarahkan antena pada hubungan jarak jauh .............................................................................