The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Akses Berbilang Bahagian Kod Berbilang Pembawa Ortogonal (OMC-CDMA) ialah skim yang menggabungkan modulasi berbilang pembawa dengan Spektrum Penyebaran Urutan Langsung (DS-SS) dan membolehkan penggunaan lebar jalur yang cekap, rintangan terhadap pudar selektif frekuensi dalam jalur lebar. saluran radio mudah alih dan pelaksanaan yang cekap oleh algoritma FFT. Dalam kertas kerja ini, kami menganalisis kebarangkalian ralat bit (BER) OMC-CDMA pada saluran pudar berbilang laluan Rayleigh dua sinar dengan masa tunda dan membandingkan prestasi BER OMC-CDMA mengikut bilangan pengguna (M) dan subpembawa ( N), dan kuasa laluan tertunda. Kami mendapati bahawa prestasi OMC-CDMA sangat bergantung pada kuasa isyarat tertunda. Jika kuasa isyarat tertunda dinaikkan daripada 10% kepada 50% berbanding dengan kuasa laluan terus, kapasiti OMC-CDMA berkurangan kira-kira 40% pada BER=10-3, N=256 dan SNR=12 dB. Dan, walaupun lebih banyak subcarrier digunakan dalam keadaan kuasa isyarat tertunda agak hebat, prestasinya tidak bertambah baik dengan ketara.
The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.
Salinan
Sungdon MOON, Gwangzeen KO, Kiseon KIM, "Performance Analysis of Orthogonal Multicarrier-CDMA on Two-Ray Multipath Fading Channels" in IEICE TRANSACTIONS on Communications,
vol. E84-B, no. 1, pp. 128-133, January 2001, doi: .
Abstract: Orthogonal Multi-Carrier-Code Division Multiple Access (OMC-CDMA) is a scheme that combines multi-carrier modulation with Direct Sequence Spread Spectrum (DS-SS) and allows the efficient utilization of the bandwidth, the resistance against frequency selective fading in broadband mobile radio channels and the efficient implementation by the FFT algorithm. In this paper, we analyze the bit error probability (BER) of OMC-CDMA on two-ray Rayleigh multipath fading channels with the delay time and compare the BER performances of OMC-CDMA according to the number of users (M) and subcarriers (N), and the power of delayed path. We found that the performance of OMC-CDMA depends greatly on the power of delayed signal. If the power of delayed signal is increased from 10% to 50% as compared with the direct path power, the capacity of OMC-CDMA is decreased approximately by 40% at BER=10-3, N=256 and SNR=12 dB. And, though more subcarriers are used in the circumstance that the power of delayed signal is relatively great, the performance is not significantly improved.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e84-b_1_128/_p
Salinan
@ARTICLE{e84-b_1_128,
author={Sungdon MOON, Gwangzeen KO, Kiseon KIM, },
journal={IEICE TRANSACTIONS on Communications},
title={Performance Analysis of Orthogonal Multicarrier-CDMA on Two-Ray Multipath Fading Channels},
year={2001},
volume={E84-B},
number={1},
pages={128-133},
abstract={Orthogonal Multi-Carrier-Code Division Multiple Access (OMC-CDMA) is a scheme that combines multi-carrier modulation with Direct Sequence Spread Spectrum (DS-SS) and allows the efficient utilization of the bandwidth, the resistance against frequency selective fading in broadband mobile radio channels and the efficient implementation by the FFT algorithm. In this paper, we analyze the bit error probability (BER) of OMC-CDMA on two-ray Rayleigh multipath fading channels with the delay time and compare the BER performances of OMC-CDMA according to the number of users (M) and subcarriers (N), and the power of delayed path. We found that the performance of OMC-CDMA depends greatly on the power of delayed signal. If the power of delayed signal is increased from 10% to 50% as compared with the direct path power, the capacity of OMC-CDMA is decreased approximately by 40% at BER=10-3, N=256 and SNR=12 dB. And, though more subcarriers are used in the circumstance that the power of delayed signal is relatively great, the performance is not significantly improved.},
keywords={},
doi={},
ISSN={},
month={January},}
Salinan
TY - JOUR
TI - Performance Analysis of Orthogonal Multicarrier-CDMA on Two-Ray Multipath Fading Channels
T2 - IEICE TRANSACTIONS on Communications
SP - 128
EP - 133
AU - Sungdon MOON
AU - Gwangzeen KO
AU - Kiseon KIM
PY - 2001
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E84-B
IS - 1
JA - IEICE TRANSACTIONS on Communications
Y1 - January 2001
AB - Orthogonal Multi-Carrier-Code Division Multiple Access (OMC-CDMA) is a scheme that combines multi-carrier modulation with Direct Sequence Spread Spectrum (DS-SS) and allows the efficient utilization of the bandwidth, the resistance against frequency selective fading in broadband mobile radio channels and the efficient implementation by the FFT algorithm. In this paper, we analyze the bit error probability (BER) of OMC-CDMA on two-ray Rayleigh multipath fading channels with the delay time and compare the BER performances of OMC-CDMA according to the number of users (M) and subcarriers (N), and the power of delayed path. We found that the performance of OMC-CDMA depends greatly on the power of delayed signal. If the power of delayed signal is increased from 10% to 50% as compared with the direct path power, the capacity of OMC-CDMA is decreased approximately by 40% at BER=10-3, N=256 and SNR=12 dB. And, though more subcarriers are used in the circumstance that the power of delayed signal is relatively great, the performance is not significantly improved.
ER -