BER Comparison of OFDM System with the Mapping of Different Modulation Techniques Over Conventional Modulation Technique

被引：0
|
作者：
Mandvi [1 ]
Ghunawat, Ashish Kumar [1 ]
机构：
[1] Malviya Natl Inst Technol, Dept Elect & Commun Engn, Jaipur, Rajasthan, India
来源：
OPTICAL AND WIRELESS TECHNOLOGIES, OWT 2017 | 2018年 / 472卷
关键词：
BER; E-b/n(o); SNR; OFDM; BPSK; QPSK; MATLAB software; QAM;
D O I：
10.1007/978-981-10-7395-3_25
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents the comparative BER performance of OFDM using BPSK, QPSK, and QAM. There is no advantage of OFDM-BPSK over conventional BPSK, but OFDM-QPSK performs well over a QPSK after an SNR value of 7 dB. OFDM with M-QAM performs well over a conventional QAM at high SNR (greater than 15 dB) values. So, nowadays in 4G mobile communication, we are using OFDM with the mapping of higher order QAM system to achieve high data rate at slightly high SNR value. OFDM with higher order QAM is used where proper SNR value is available (to take the advantage of high SNR and high data rate).
引用
收藏
页码：219 / 226
页数：8
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