Perencanaan dan analisis kehandalan sistem komunikasi radio microwave tampak pandang pada pita frekuensi 12750-13250 MHz [Planning and analysis of the reliability of line of sight microwave radio communication system on 12750-13250 MHz band]
Article Sidebar
Read Counter : 792
Download : 1815
Main Article Content
Abstract
Propagasi gelombang radio dapat diartikan sebagai proses perambatan gelombang radio dari pemancar ke penerima. Gelombang ini akan merambat melalui udara bebas menuju antena penerima dan mengalami redaman di sepanjang lintansannya, redaman perangkat dan saluran transmisi, sehingga ketika sampai di antena penerima, energi sinyal sudah sangat lemah. Line of sight (LOS) merupakan salah satu jenis propagasi di mana diantara stasiun pengirim dan stasiun penerima tidak terdapat penghalang. Kendala geografis dan kelengkungan bumi menyebabkan adanya keterbatasan untuk transmisi line of sight, namun masalah ini secara umum dapat dikurangi melalui perencanaan, perhitungan dan penggunaan teknologi tambahan. Dalam perencanaan sistem komunikasi radio, kinerja LOS perlu direncanakan cadangan daya akibat fluktuasi sinyal serta analisis kehandalannya. Sistem radio gelombang mikro digital antar titik yang menggunakan frekuensi 13 GHz dengan modulasi 16 QAM, bit rate 140 MBps,dan noise figure 0,7 dB memerlukan daya pancar -4,488 dBm, fading margin sebesar 85,51 dB dan kehandalannya sebesar 99,9999999%.
*****
Radio wave propagation can be defined as the process of propagation of radio waves from the transmitter to the receiver. These waves will propagate through free air towards the receiver antena with experienced curbs along the tracks, so when it arrive at the receiver antena, the signal energy is very slow. Line of sight (LOS) is one kind of propagation where no obstacles found between the transmitter and the receiver station. Geographical constraints and the curvature of the earth bring limitations to the line of sight transmission, but this problem can generally be reduced through planning, calculation and use of additional technologies. In a radio communication system planning, LOS performance needs to be planned caused by signal fluctuations and reliability. Digital microwave point to point radio systems using 13 GHz of spectrum, 16 QAM of modulation, 140 MBps of bit rate, 0,7 dB of noise figure requires -4,488 dBm of transmit power, 85,51 dB of fading margin, and 99.99999999 % of reliability.
Article Details
Authors who publish with this journal agree to the following terms:
- Copyright on any article is retained by the author(s).
- Author grant the journal, right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work’s authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal’s published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work.
- The article and any associated published material is distributed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License
References
Alim, M.A., Rahman, M.M.,Hossain, M.M., Al-Nahid, A.(2010). Analysis of Large Scale Propagation Model For Mobile Communication in Urban Area. International Journal of Computer Science and Information Security,7.
Astuti,R.P.(1998). Perkuliahan Perancangan Radio Teresterial. Sekolah Tinggi Teknologi Telkom, Bandung.
Can, M.(2012). System Power budget Analysis of Microwave Radio Links in Adana Region. Adana Turkey Memduh,ieee.
Chulhe, J., Hang Lee, J.H.(2012).Outage Analysis and Optimization of DF-Based Multi-Hop Transmission for Fading Channel with large Path Loss Exponent.IEEE 0018-954.
DAI,H. Link Budget Analysis in Mobile Communication System.The University of Birmingham, B.15 2 TT, UK.
Effendi, M.R. (2004). Diktat Kuliah Kanal Fading Acak, Departemen Teknik Elektro, ITB, Bandung.
Freeman, R.L.(1987). Radio Sistem Design For Telecommunication (1-100 GHz). John Willey & Sons, New York.
Freeman, R.L. (1999). Telecommunication Transmission Hand Book. John Willey & Sons, New York.
Judawisastra, H.(2004). Catatan Kuliah EL-366 Antena dan Propagasi, Departemen Teknik Elektro, ITB, Bandung.
Kim, J.(2009). Range Estimation of TACTICAL RADIO WAVEFORM USING LINK BUDGET ANALYSIS. IEEE Milwauke School of Engineering.
Kundu, A.K., Khan, M.T.H., Sharmin,W., Goni,M.O.,Barket, K.A.(2013). Designing a mobile satellite communication Antenna and Link Budget Optimization. International Conference on Electrical Information and Communication Technology (EICT).
Kurniawan,A.(2003). Predictive Power Control in CDMA Sistem. Dissertation Doctor of Philosophy, University of South Australia.
Lehpahmer,H.(2004). Microwave Transmission Network: Planning, Design and Development. Pg 106 McGraw-Hill Professional Engineering.
Permenkominfo No.33. tentang Perencanaan Penggunaan Pita Frekuensi Radio Microwave Link Titik ke Titik (Point to Point) (2015).
Permenkominfo No.34. tentang Persyaratan Teknis Alat dan Perangkat Radio Microwave Link Titik ke Titik dengan Sistem Digital Hybrid (2015).
Rajagopalan,H.,Rahmat-Samii,Y.(2010). Link Budget Analysis and Characterization for Ingestible Capsule Antenna. IEEE Transaction, 23, (pp No. 978).
Rappaport, T.S (1996). Wireless Communications, Principle and Practice. IEEE Press, Printice-Hall, New York.
Santoso, Zahra, Anwar, Perancangan Jalur Gelombang Mikro 13 GHz Titik ke Titik Area Prawoto-Undaan Kudus. Jurusan Teknik Elektro Fakultas Teknik,Universitas Dipeneogoro,Semarang.
Sharma,D.,Sharma,P.K.,Gupta, Vishal., Singh,R.K.(2010). A Survey on Path loss Models Used in Wireless Communication System Design. IJRTE, 3 (2).
Sharma,K., Naglia, P.(2016). Transmission and Optimization of a 3G/4G Microwave Network at 14 GHz. International Journal of Engineering Science and Computing,6 (5),(pp. 6086 – 6091)
Thakur, A., Kamboj, S.(2016). Transmission and Optimization of a 3G Microwave Network at 18 GHz. International Journal of Engineering Science and Computing,6,(5),(pp. 5624 -5626)
Ubom, E.A.,Idigo,V.E., Azubogu,A.C.O., Ohaneme, C.O., Alumona,T.L. (2011). Path loss Characteziation of Wireless Propagation of South-South Region of Nigeria. International Journal of Computer Theory and Engineering,3(3).
Yinfen,X.(2011). Planning of 3 G-oriented Transmission Network. IEEE 978-1-61284-459-6/11.