Bit error probability of OFDM system over frequency nonselective fast Rayleigh fading channels

被引：17

作者：

Wan, L ^{[1
]}

Dubey, VK ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

ELECTRONICS LETTERS | 2000年 / 36卷 / 15期

关键词：

Bit error rate - Probability density function - Rayleigh fading - Signal distortion;

D O I：

10.1049/el:20000944

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：

The variation in the channel impulse response during one OFDM symbol, which occurs in fast fading channel environments, destroys the orthogonality between the subcarriers. As a result, a complicated multiple distortion and an extra additive distortion component are introduced. A theoretical derivation of the BER formula is presented, which involves a proposed method for calculating the probability density function (PDF) of the sum of N (N greater than or equal to 3) correlated Rayleigh random variables (RVs). The results obtained using the derived EER formula agree well with the simulation results.

引用

页码：1306 / 1307

页数：2

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