Comparison of CDMA and OFDM techniques for downstream power-line communications on low voltage grid

被引：42

作者：

Del Re, E ^{[1
]}

Fantacci, R ^{[1
]}

Morosi, S ^{[1
]}

Seravalle, R ^{[1
]}

机构：

[1] Univ Florence, Dipartimento Elettron & Telecommun, I-50139 Florence, Italy

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2003年 / 18卷 / 04期

关键词：

code division multiple access (CDMA); orthogonal frequency division multiplexing (OFDM); power-line communication (PLC);

D O I：

10.1109/TPWRD.2003.817517

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 provides a fair comparison between direct sequence code division multiple access (DS-CDMA) and orthogonal frequency division multiplexing (OFDM) systems for broadband downstream power-line communications (PLCs). Considered schemes seem particularly suitable for high bit rate broadcast flexible communications on low voltage grid in order to guarantee local access. The performance of the considered systems is expressed in terms of bit error rate (BER), derived by simulations under the assumptions of frequency-selective multipath fading channel, and additive colored Gaussian noise according to the in-building networks model, under the same overall working conditions of bandwidth occupation, transmitted power, and global data rate.

引用

页码：1104 / 1109

页数：6