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All Journal Jurnal Teknologi Perikanan dan Kelautan Indonesian Journal of Electronics and Instrumentation Systems e-Jurnal Arus Elektro Indonesia EMITTER International Journal of Engineering Technology InComTech: Jurnal Telekomunikasi dan Komputer TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol IJITEE (International Journal of Information Technology and Electrical Engineering) Journal of Applied Computer Science and Technology (JACOST) J-Innovation Jurnal INFOTEL
Andrita Ceriana Eska
Teknik Elektro Fakultas Teknik Universitas Jember
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Library & Information Science

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Journal : Jurnal INFOTEL

 1 
Komunikasi Bergerak Frekuensi 2.3 GHz Melewati Pepohonan Menggunakan Metode Giovanelli Knife Edge Andrita Ceriana Eska
JURNAL INFOTEL Vol 8 No 1 (2016): May 2016
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v8i1.57

Abstract

Sistem komunikasi antara MS (Mobile Station) dan RBS (Radio Base Station) dengan frekuensi 2.3 GHz kondisi uplink, komunikasi yang terjadi ketika pengguna MS yang bergerak disepanjang trotoar terhadap RBS yang berada di tepi bagian atas gedung. Propagasi melewati pepohonan yang berada diantara kedua ruas jalan dan juga berada disepanjang trotoar, sehingga metode difraksi menggunakan single knife-edge dan Giovanelli knife-edge. Pada penelitian ini berfokus pada variasi ketinggian gedung dan daya pancar. Analisa ditunjukkan pada persentase daerah cakupan disepanjang lintasan MS. Persentase tersebut terjadi peningkatan dengan variasi daya pancar 20 dBm hingga 40 dBm yang diikuti peningkatan ketinggian gedung. Hasil penelitian, menunjukkan beberapa titik pada lintasan yang memiliki loss yang sangat besar, menjadikan sedikit peningkatan persentase daerah tercakup RBS. Pengaruh dari komunikasi tersebut diantaranya karena pepohonan, atmosfer, dan juga jarak komunikasi
Propagasi Komunikasi Radio Base Station Femtocell pada Tiang Lampu Jalan Frekuensi 10 GHz Andrita Ceriana Eska
JURNAL INFOTEL Vol 9 No 4 (2017): November 2017
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v9i4.264

Abstract

Penelitian ini bertujuan untuk perkembangan sistem komunikasi. Penelitian ini membahas tentang sistem komunikasi Radio Base Station (RBS) femtocell pada tiang lampu jalan. Frekuensi komunikasi yang digunakan 10 GHz. Frekuensi tersebut dipengaruhi oleh redaman atmosfer seperti uap air dan oksigen. Analisa penelitian terdiri dari variasi ketinggian RBS femtocell, dan code rate dari signal-to-interference-plus-noise-ratio (SINR) threshold dengan modulasi 16 QAM dan 64 QAM. Variasi ketinggian RBS yaitu 6 meter, 8 meter, dan 10 meter. Variasi code rate yang digunakan untuk SINR threshold dari modulasi 16 QAM seperti 1/2, 2/3, 3/4, dan 4/5. Variasi nilai code rate yang digunakan untuk SINR threshold dari modulasi 64 QAM seperti 2/3, 3/4, dan 4/5. Hasil penelitian dari nilai signal-to-noise ratio dan persentase daerah cakupan pada lintasan mobile station.
Pengaruh Code Rate untuk Komunikasi RBS Femtocell Frekuensi 47 GHz pada Tiang Lampu Jalan Andrita Ceriana Eska
JURNAL INFOTEL Vol 9 No 4 (2017): November 2017
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v9i4.303

Abstract

Penelitian ini menjelaskan tentang sistem komunikasi radio base station femtocell yang diletakkan pada tiang lampu jalan. Frekuensi yang digunakan 47 GHz. Analisis pada penelitian ini terdiri dari variasi daya transmitter, dan variasi code rate dari signal-to-interference-plus-noise-ratio threshold 16 QAM. Daya transmitter yang digunakan 10 mW hingga 200 mW. Variasi code rate dari signal-to-interference-plus-noise-ratio threshold 16 QAM terdiri dari 1/2, 2/3, 3/4, dan 4/5. Sebagai hasil ditunjukkan hubungan antara daya transmitter dan code rate, dan hubungan antara persentase daerah tercakup pada lintasan mobile station dan code rate. Berdasarkan hubungan antara persentase daerah tercakup and code rate didapatkan semakin meningkat nilai code rate maka nilai persentase pada daerah tercakup semakin berkurang
Multipath Effects in Building Environment Toward Bandwidth Enhancement for Mobile Communication of 47 GHz Frequency Andrita Ceriana Eska
JURNAL INFOTEL Vol 10 No 1 (2018): February 2018
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v10i1.353

Abstract

This paper focused at communication system with multipath effects at building environment. The frequency that used for the communication system was 47 GHz. That frequency possibly used for higher bandwidth at communication system. The condition of communication propagation that used was downlink direction. Mobile station placed at track or street with buildings environment condition. This research analysis was based on transmitter power variation, bandwidth variation, and modulation threshold variation. That analysis produced signal to noise ratio value that was obtained from bandwidth variation and transmitter power variation. The transmitter power variation that used was consists of 0.01 Watt, 0.1 Watt, and 1 Watt. Threshold variations for communication modulation that used was consist of 16 QAM and 64 QAM. As the result such as bandwidth variation showed widened of bandwidth then more decreasing of signal to noise ration value, and more increasing of transmitter power then also more increase of signal to noise ratio value
Propagation of Mobile Communication with Tree Obstacle used OFDM-QAM at 10 GHz Andrita Ceriana Eska
JURNAL INFOTEL Vol 11 No 3 (2019): August 2019
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v11i3.439

Abstract

This research focused about mobile communication systems at line communication of road. Frequency communication was used 10 GHz. The tree was obstacle at every node of line communication. That communication was modeled with single diffraction. Single knife edge was used for that diffraction model. The communication transmission that used was Orthogonal Frequency Division Multiplexing. The modulation variation that used was consisted of 16 QAM and 64 QAM. Analysis that used was consisted of modulation variation, transmitter power variation, and coverage area variation. The result showed that SNR was decreased when transmitter power was increased, the value BER 64 QAM lower than BER 16 QAM, and percentage of coverage area that obtained was around 96%.
The Communication System of Building from Outdoor to Indoor with AMC at 10 GHz Andrita Ceriana Eska
JURNAL INFOTEL Vol 12 No 1 (2020): February 2020
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v12i1.465

Abstract

The propagation model of communication systems was used propagation from outdoor to indoor of building. In the inside that building used partition with brick. That propagation condition used downlink condition from mobile station side. The communication frequency used 10 GHz. Some parameter variation was used in this research such as radio base station coverage, mobile station location of building, and code rate communication. The coverage variation of radio base station used femtocell and picocell. As the result described signal to noise ratio (SNR)at every node communication, adaptive modulation and coding (AMC) variation, and coverage area percentage in the building. The modulation and coding scheme (MCS) was used consist of QPSK, 16 QAM, and 64 QAM
Doppler Shift Effect at The Communication Systems with 10 GHz around Building Andrita Ceriana Eska
JURNAL INFOTEL Vol 12 No 4 (2020): November 2020
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v12i4.483

Abstract

This research described the Doppler shift effect for the communication systems. The mobile station moves with various velocities around the building’s environment. Doppler’s shift influences the communication systems. The frequency communication was used 10 GHz and its influenced by atmospheric attenuation. This research consisted of propagation with LOS and NLOS conditions, mobile station velocity variation, height buildings variation, and transmitter power variation. This research described frequency maximum at Doppler shift, coherence time, and signal to noise ratio. More increase Doppler shift of coherence time caused signal noise ratio to decrease.
Cellular Communication Propagation at Drone around Building Environment with Single Knife Edge at 10 GHz Andrita Ceriana Eska
JURNAL INFOTEL Vol 13 No 1 (2021): February 2021
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v13i1.541

Abstract

The drone communication systems used a cellular network for controlling a drone from a long distance. That communication propagations between drone and base station were analyzed. The drone moved at the track around building environment. That environment used variations in building height. The communication propagation around building environment caused diffraction mechanism. Single knife edge method is used for that diffraction mechanism. The frequency of communication used 10 GHz. That frequency was influenced by atmospheric attenuation. This research was using some variations such as height of drone track location, transmitter power, and AMC (Adaptive Modulation Coding). MCS (Modulation Coding Scheme) was used AMC such as QPSK, 16 QAM, and 64 QAM. Some result was obtained at this research consist of LOS and NLOS distance, SNR, MCS probability, and percentage of drone coverage. NLOS propagation was caused by building height. The SNR value become increase when higher at drone position, such as drone was moving at 20 meters with height of flying drone 80 m and transmitter power 30 dBm obtained SNR 38.21 dBm. That SNR is affected AMC, so a higher SNR value increases AMC. The drone’s coverage 100%, with a height of flying drone 80 meters and transmitter power of 30 dBm. That condition showed more increasing coverage percentage than 64.8% for height of flying drone 20 meters and transmitter power 30 dBm. That result showed that more drone height increased of coverage percentage, probability modulation, and SNR value.
Receiver diversity with selection combining for drone communication around buildings at frequency 10 GHz Andrita Ceriana Eska
JURNAL INFOTEL Vol 14 No 2 (2022): May 2022
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v14i2.754

Abstract

The communication network for cellular network keep development. This research analyzed about cellular network was used drone network. The mobile drone used frequency at 10 GHz for communication. The mobile drone moved around buildings. Buildings were used high variation. Base Station placed around building. This research was using macro diversity Base Station, variation building, variation modulation, and variation height of drone trajectory. Macro diversity mechanism used for that two Base Station. Selection Combining (SC) method was used for that macro diversity mechanism. The modulation communication based from Adaptive Modulation and Coding (AMC). Adaptive Modulation and Coding (AMC) was used Modulation and coding scheme (MCS). Modulation was used QPSK, 16 QAM, and 64 QAM. As the result described signal to noise ratio (SNR) at every node communication, probability MCS, and percentage coverage of drone trajectory. MCS probability for 64 QAM become increased with selection combining method. The percentages coverage of drone trajectory was obtained 77.2% of the first BS, 66.8% of the second BS, and 87.2% with SC method.
Co-Authors Akbar, Muhammad Fakhri Alfian, Freska Meliniar Ali Rizal Chaidir Anam, Khairul Azmy Akhyar Al Insani Bambang Sri Kaloko Catur Suko Sarwono Chatarina Umbul Wahyuni Dedy Wahyu Herdiyanto Dodi Setiabudi GAMMA ADITYA RAHARDI Gozali, Moch. Guido Dias Kalandro Gunawan, Ekky Yonathan Immawan Wicaksono Ivanda, Dio Ferrel Laagu, M. Asnoer Muh Asnoer Laagu Nuryanto, Deka Rachmad Wahyu Muldayani Widya Cahyadi