QAM symbol error rate in OFDM systems over frequency-selective fast Ricean-fading channels

被引：13

作者：

Yen, Rainfield Y. ^{[1
]}

Liu, Hong-Yu ^{[2
]}

Tsai, Wei K. ^{[3
]}

机构：

[1] Tamkang Univ, Dept Elect Engn, Taipei 25137, Taiwan

[2] Dahan Inst Technol, Dept Comp & Commun Engn, Hualien 97145, Taiwan

[3] Univ Calif Irvine, Dept Elect & Comp Engn, Irvine, CA 92697 USA

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2008年 / 57卷 / 02期

关键词：

frequency-selective fading channels; interchannel interference (ICI); orthogonal frequency-division multiplexing (OFDM); Ricean-fading channels;

D O I：

10.1109/TVT.2007.906371

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：

For digital data transmission using an orthogonal frequency-division multiplexing (OFDM) over fading channels, the interchannel-interference (ICI) term caused by the Doppler spread is correlated with the desired signal term. Nonetheless, many researchers have assumed the ICI term to be uncorrelated with the desired signal term. In this paper, we present the symbol-error-rate (SER) performance for the M-quadratic amplitude-modulation OFDM systems over Ricean fading using the exact correlated ICI model. The results are then compared with the uncorrelated ICI results. We find that the two results present some differences. The differences tend to increase as the Ricean factor is increased.

引用

页码：1322 / 1325

页数：4

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