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Three-dimensional carrierless AM/PM line code for the unshielded twisted pair cables

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2 Author(s)
Shalash, A. ; Dept. of Electr. Eng., Minnesota Univ., Minneapolis, MN, USA ; Parhi, K.K.

The Carrierless AM/PM (CAP) modulation scheme is a viable alternative for high speed digital transmission for the HDSL/ADSL/VHDSL environments. In this paper, the conventional 2-D CAP system is expanded to a 3-D space. A 50% increase in the system throughput is achieved at the expense of added receiver complexity and some performance degradation. The 3-D signaling is obtained through a minimax optimization process to match the characteristics of the original 2-D system and to achieve perfect reconstruction (PR) condition. The 3-D CAP system is simulated over unshielded twisted pair (UTP) cable environment for baud rate of 150 Mbps

Published in:

Circuits and Systems, 1997. ISCAS '97., Proceedings of 1997 IEEE International Symposium on  (Volume:3 )

Date of Conference:

9-12 Jun 1997