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ITS » Paper and Presentation » Teknik Telekomunikasi - D4
Posted by dee@its.ac.id at 01/10/2013 08:23:33  •  875 Views


ANALISA KINERJA KODE KONVOLUSI PADA SISTEM SUCCESSIVE INTERFERENCE CANCELLATION MULTIUSER DETECTION CDMA DENGAN MODULASI QAM BERBASIS PERANGKAT LUNAK

CONVOLUTIONAL CODE PERFORMANCE ANALYSIS ON SUCCESSIVE INTERFERENCE CANCELLATION MUD CDMA SYSTEM WITH QAM MODULATION-BASED SOFTWARE

Author :
DEWI, KARINA MEYRITA ( 7207040028 )




ABSTRAK

Pada Proyek Akhir ini dilakukan Analisa Kinerja Kode Konvolusi pada Sistem Successive Interference Cancellation Multiuser Detection CDMA dengan Modulasi Quadrature Amplitude Modulation Berbasis Perangkat Lunak. Encoder kode konvolusi digunakan di sisi transmitter dengan rate 12 dan decoder di sisi receiver menggunakan algoritma viterbi. Hasil berupa kurva nilai BER terhadap fungsi SNR. Dari hasil simulasi didapatkan hasil bahwa pada sistem tanpa menggunakan kode konvolusi memiliki kinerja yang lebih baik karena sudah mencapai BER 10-3 ketika SNR 15.5 dB sedangkan sistem tanpa menggunakan kode konvolusi belum dapat mencapai nilai BER 10-3. Pada sistem perbandingan stage pada SIC menunjukkan bahwa penggunaan SIC 3 stage memiliki kinerja yang lebih baik 1.5 dB dibandingkan dengan jika menggunakan 1 atau 2 stage saja. Sedangkan untuk sistem dengan menggunakan 6 user memiliki kinerja yang lebih baik 9.5 dB jika dibandingkan dengan sistem yang menggunakan 10 user.


ABSTRACT

In the Final Project was conducted on the Convolution Code Performance Analysis System Successive Interference Cancellation Multiuser Detection CDMA with Quadrature Amplitude Modulation - Based Software. Convolutional code encoder is used at the transmitter side with a rate 12 and the decoder at the receiver side using the Viterbi algorithm. The results of the BER curve of the function of SNR. From the simulation results showed that the system without the use of convolutional codes have better performance because it had reached BER value 10-3 when the SNR is 15.5 dB while the system without the use of convolutional codes have not been able to reach the BER of 10- 3.On stage at the SIC system comparison showed that the use of the SIC three stages has a better performance 1.5 dB compared to when using 1 or 2 stages only. As for the system using 6 users have better erformance 9.5 dB when compared with systems using 10 users.



KeywordsBER; Convolution Code;CDMA;Quadrature Amplitude Modulation;Multipath Fading
 
Subject:  Telepon seluler
Contributor
  1. Ir. Yoedy Moegiharto, MT
Date Create: 03/08/2011
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-paper-72021130002189
Collection ID: 72021130002189
Call Number: 621.384 56 Dew a


Source
Paper and Presentation of Telecomunication Engineering, 621.384 56 Dew a, 2013

Coverage
ITS Community

Rights
Copyright @2013 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




[ Download - Open Access ]

  1.  ITS-paper-27218-7207040028-Paper.pdf - 321 KB
  2.  ITS-paper-27218-7207040028-Presentation.pdf - 676 KB




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