Multi-carrier modulation schemes for frequency-selective fading channels

被引：0

作者：

Wetzker, G ^{[1
]}

Dukek, M ^{[1
]}

Ernst, H ^{[1
]}

Jondral, F ^{[1
]}

机构：

[1] Univ Karlsruhe, Inst Nachrichtentech, D-76128 Karlsruhe, Germany

来源：

ICUPC '98 - IEEE 1998 INTERNATIONAL CONFERENCE ON UNIVERSAL PERSONAL COMMUNICATIONS, VOLS 1 AND 2 | 1998年 / 1-2卷

关键词：

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

The performance of orthogonal frequency division multiplexing (OFDM) modulation schemes using differential (DPSK-OFDM), coherent (PSK-OFDM) data modulation and multi-carrier code division multiple access (MC-CDMA) are compared for time-variant and time-invariant multipath channels. Ignoring the CDMA aspect, MC-CDMA can be viewed as a novel modulation technique. While coherent OFDM and MC-CDMA require channel equalization, differential OFDM can work without it. As a channel equalization method a new controlled equalization scheme is introduced and investigated by simulations. MC-CDMA with controlled equalization is shown to be the most suited multi-carrier modulation principle over time-variant and time-invariant frequency-selective channels.

引用

页码：939 / 943

页数：5