An OFDM scheme with pre-IDFT/DFT on frequency-selective Rayleigh fading channels

被引：2

作者：

Jwa, JW ^{[1
]}

机构：

[1] Cheju Natl Univ, Mobile Commun Lab, Fac Telecommun & Comp Engn, Cheju, South Korea

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2005年 / E88B卷 / 07期

关键词：

orthogonal frequency division multiplexing (OFDM); equalization; interleaving; multipath fading;

D O I：

10.1093/ietcom/e88-b.7.3073

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：

In this paper, we propose an OFDM scheme with pre-IDFT/DFT and the frequency domain equalization on frequency-selective Rayleigh fading channels [11]. In this scheme, a two-dimensional block interleaving is used to randomize the correlated noise caused by the frequency domain linear equalizer. Then, the pre-DFT averages the interleaved noise enhancement and improves the error performance of the proposed scheme. Computer simulations confirm the bit error probability of the proposed scheme for multilevel modulations.

引用

页码：3073 / 3077

页数：5

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