| 摘要: |
| 通过分析ADSL传输线路,对铜制双绞线进行了分析,包括线路特性、噪声特性的仿真.仿真中参考了6种典型的CSA环路作为分析的依据,讨论了近端串音(NEXT)、远端串音(FEXT)以及高斯白噪声对传输线路的影响,并将ADSL线路和HDSL、T1以及ISDN线路近端串音作了比较,最后得到ADSL信道的传送容量与线路长度的关系曲线. |
| 关键词: 非对称数字用户线 远端串音 近端串音 信道容量 高斯白噪声 仿真与分析 |
| DOI：10.3969/j.issn.1001-893X. |
| Received:March 13, 2006Revised:July 17, 2006 |
| 基金项目: |
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| Model Simulation and Channel Capacity Analysis of Copper Twisted Pairs |
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| Abstract: |
| This paper outlines ADSL access network and simulates the copper twisted lines. The characteristics of lines and noise sources are modeled. It explores the effect of different channels of noise sources, including FEXT, NEXT, HDSL, T1, ISDN, AWGN, to get the relationship between ADSL transmit capacity and length of line. |
| Key words: ADSL FEXT NEXT channel capacity AWGN simulation and analysis |
