Impulse noise identification for the HFC upstream channel

被引：2
|
作者：
Li, KH [1 ]
Huang, A
Ingram, MA
Howard, D
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
[2] Georgia Inst Technol, Ctr Broadband Telecommun, Atlanta, GA 30332 USA
来源：
IEEE TRANSACTIONS ON BROADCASTING | 1998年 / 44卷 / 03期
关键词：
D O I：
10.1109/11.715319
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：
An algorithm is described that identifies the shape of the impulse within the impulse noise component of the HFC upstream channel. The cross-correlation function (CCF) is used to align samples of the impulse waveforms in time. The singular value decomposition (SVD) finds the dominant basis waveforms that represent the collection of samples. We find that two frequency-modulated basis waveforms sufficiently span our set of 75 measured impulses. The joint statistics of the basis coefficients is given.
引用
收藏
页码：324 / 329
页数：6
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