PERFORMANCE ENHANCEMENT USING FORWARD ERROR-CORRECTION ON POWER-LINE COMMUNICATION CHANNELS

被引:6
|
作者
CHAN, MHL [1 ]
FRIEDMAN, D [1 ]
DONALDSON, RW [1 ]
机构
[1] UNIV BRITISH COLUMBIA,DEPT ELECT ENGN,VANCOUVER V6T 1Z4,BC,CANADA
关键词
POWERLINE COMMUNICATIONS; FORWARD ERROR CORRECTION (FEC) CODING; CONVOLUTIONAL CODING; DISTRIBUTION AUTOMATION; VLSI CODEC IMPLEMENTATION; BIT ERROR RATE MEASUREMENT; PACKET ERROR RATE MEASUREMENT; DATA THROUGHPUT MEASUREMENT;
D O I
10.1109/61.296240
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 use of forward error correction (FEC) coding is investigated, to enhance communication throughput and reliability on noisy power line networks. Rate one-half self-orthogonal convolutional codes are considered. These codes are known to be effective in other environments, and can be decoded inexpensively in real-time using majority logic decoders. Extensive bit and packet error rate tests were conducted on actual, noisy in-building power line links. Coding gains of 15 dB were observed at 10(-3) decoded bit error rates. A self-orthogonal (2, 1, 6) convolutional code with interleaving to degree 7 was particularly effective, and was implemented as a VLSI microelectronic chip. Its use improved data throughput and packet error rates substantially, at data transmission rates of 9,600 bits/s.
引用
收藏
页码:645 / 653
页数:9
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