Abstract
In order to meet the ever-increasing bandwidth demand of the users, new "digital subscriber line" (DSL) technologies are being developed. In addition to the traditional differential mode of the telephone line, telecom operators are now looking in to the exploitation of the phantom-mode signal. New transmission line models, using the multiconductor transmission lines theory, were developed to support this extended use. In this paper, it is shown that the phantom mode is an eigenmode of the quad cable system, and hence, according to the theory, there is no crosstalk between this mode and the differential mode.
Original language | English |
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Pages (from-to) | 896-902 |
Number of pages | 7 |
Journal | IEEE Transactions on Instrumentation and Measurement |
Volume | 61 |
Publication status | Published - 1 Apr 2012 |
Keywords
- Digital subscriber line (DSL) technologies
- multiconductor transmission line
- phantom mode
- quad