Setiasabda, Paul Elijah (2016) Software-defined radio implementation with hackrf one: FM transceiver, jammer and GSM receiver. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Various communication systems have emerged in the last two decades where each of the system needs different equipments for testing and usage. The inefficient usage of resources led to an idea for Joseph Mitola who introduced the term Software Radio. Software Radio is the term used for an equipment that is capable of processing a signal wholly on the software for an unlimited amount of bandwidth. ADC/DAC and antenna are the main hardware needed for this. Currently, the idea of software radio cannot be fully implemented yet. Instead, a few compromises were made resulting in software-defined radio, where a huge part of the processing is done through a processor and software while some parts are done through hardware and the hardware can be adjusted by the software. One of the popular software-defined radio available in the market is HackRF One. The aim of this thesis is to demonstrate that HackRF One is a software-defined radio by implementing a few different communication systems on a wide range of frequencies. The systems are FM receiver, FM transmitter and GSM Receiver. A jammer was also implemented. The FM Receiver shows a good signal reception from commercial FM Radio stations and is able to extract the music from those FM channels. The FM transmission was checked with a spectrum analyzer. The frequencies used in the experiment were 84 MHz, 850 MHz, 1.9 GHz and 2.5 GHz. At 84 MHz, the sound sent from the computer’s microphone was heard when tested using a commercial radio receiver showing that HackRF One is truly capable of transmitting FM Radio. HackRF One is also able to receive data from GSM transmission but it needs a software called wireshark to decode the data. With a few GSM information such as Kc and TMSI, the data of SMS and Phone calls can be extracted from the decoded data. Jammer was also implemented for FM, GSM and WiFi. FM radio can be jammed depending on the power, while it is more difficult to jam GSM and WiFi. A phone can get receptions from different base stations. HackRF one is able to block the frequency of one base station. If there is only a base station available to the phone, HackRF one can jam the phone’s connection. Jamming WiFi is similar with GSM, because in some WiFi systems, they can
reconnect to other WiFi channels, HackRF one can jam one channel, but not all WiFi channels. / Berbagai sistem komunikasi telah muncul dalam 2 dekade terakhir di mana masingmasing sistem memerlukan peralatan yang berbeda untuk melakukan pengujian dan
penggunaan. Penggunaan peralatan yang tidak efisien ini memberikan ide kepada
Joseph Mitola yang memperkenalkan istilah Software Radio. Software Radio
adalah istilah yang digunakan untuk peralatan yang mampu memproses sinyal
sepenuhnya pada perangkat lunak dengan jumlah bandwidth yang tidak terbatas.
ADC / DAC dan antena adalah satu-satunya perangkat keras yang diperlukan untuk
Software Radio. Saat ini, ide Software Radio tidak dapat sepenuhnya diimplementasikan. Sebaliknya, beberapa kompromi dilakukan yang memunculkan
Software-Defined Radio, di mana sebagian besar dari pengolahan dilakukan pada
prosesor dan perangkat lunak sementara beberapa bagian lain dilakukan melalui
perangkat keras dan perangkat keras yang dapat diatur melalui perangkat lunak.
Salah satu Software-Defined Radio populer yang tersedia di pasar adalah HackRF
One. Tujuan dari skripsi ini adalah menunjukkan beberapa kemampuan HackRF
One sebagai Software-Defined Radio dengan menerapkan tiga sistem komunikasi
yang berbeda pada berbagai frekuensi. Tiga sistem tersebut adalah penerima FM,
pemancar FM dan penerima GSM. Sebuah Jammer juga di-implementasikan.
Penerima FM menunjukkan penerimaan sinyal yang baik dari pemancar FM Radio
komersial dan mampu mengekstrak musik dari saluran-saluran FM. Transmisi FM
dilakukan dan diperiksa dengan spectrum analyzer. Frekuensi yang digunakan
dalam penelitian ini adalah 84 MHz, 850 MHz, 1,9 GHz dan 2,5 GHz. Pada 84
MHz, suara yang dikirim dari mikrofon komputer terdengar saat diuji menggunakan
penerima radio komersial menunjukkan bahwa HackRF One benar-benar mampu
melakukan transmisi FM Radio. HackRF One juga dapat menerima sinyal dari
GSM, tetapi memerlukan perangkat lunak bernama Wireshark untuk membaca data
dari GSM. Dengan beberapa informasi seperti Kc dan TMSI, data dari SMS dan
panggilan telepon dapat diekstraksi dari data. Jammer juga diterapkan untuk FM,
GSM dan WiFi. Radio FM dapat di blok tergantung dari kekuatan sinyal, sementara
lebih sulit untuk jamming sistem GSM dan WiFi. Sebuah ponsel yang menerima
sinyal dari beberapa base station yang berbeda akan sulit untuk di-blok oleh
HackRF yang hanya mampu mem-blok satu frekuensi base station, tetapi jika hanya
ada satu base station yang tersedia untuk telepon, HackRF dapat mem-blok
sambungan telepon itu. WiFi Jammer mirip dengan GSM, karena dalam beberapa
sistem WiFi, frekuensi sinyal dapat terkoneksi ulang ke saluran WiFi lain, HackRF
dapat memblok satu channel, tetapi tidak semua channel WiFi.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Setiasabda, Paul Elijah UNSPECIFIED UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Martoyo, Ihan UNSPECIFIED UNSPECIFIED Thesis advisor Uranus, Henri P. UNSPECIFIED UNSPECIFIED |
Additional Information: | SK 32-12 SET s |
Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Electrical Engineering Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Electrical Engineering |
Depositing User: | Users 6 not found. |
Date Deposited: | 26 Jun 2018 03:14 |
Last Modified: | 19 Oct 2021 08:10 |
URI: | http://repository.uph.edu/id/eprint/397 |