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Time-Domain Precoding for LTE-over-Copper Systems

Huang, Yezi LU ; Medeiros, Eduardo LU ; Magesacher, Thomas LU ; Höst, Stefan LU ; Lu, Chenguang; Eriksson, Per-Erik ; Ödling, Per LU and Börjesson, Per Ola LU (2016) IEEE International Conference on Communications, 2016 In 2016 IEEE International Conference on Communications (ICC) p.1-6
Abstract
Crosstalk cancellation is a crucial issue for traditional digital subscriber line systems. For LTE-over-copper systems, however, the need for crosstalk cancellation varies depending on the analog fronthauling architecture and its parameters. A crosstalk handler that is decoupled as much as possible from the rest of the system architecture is thus preferred. Therefore, we propose a time-domain precoding scheme specifically in downstream direction to separate the precoding unit from the LTE signal flow, and perform crosstalk cancellation in an on-demand manner. Estimation of all direct and crosstalk paths is assisted by LTE cell-specific reference signals. The time-domain precoder transforms the interference channel into a crosstalk-free... (More)
Crosstalk cancellation is a crucial issue for traditional digital subscriber line systems. For LTE-over-copper systems, however, the need for crosstalk cancellation varies depending on the analog fronthauling architecture and its parameters. A crosstalk handler that is decoupled as much as possible from the rest of the system architecture is thus preferred. Therefore, we propose a time-domain precoding scheme specifically in downstream direction to separate the precoding unit from the LTE signal flow, and perform crosstalk cancellation in an on-demand manner. Estimation of all direct and crosstalk paths is assisted by LTE cell-specific reference signals. The time-domain precoder transforms the interference channel into a crosstalk-free channel with identical direct paths, which allows for low-complexity inter-symbol interference mitigation. We evaluate the concept in terms of signal-to-noise ratio provided for LTE signals using measured wireline channel data. (Less)
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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
in press
subject
in
2016 IEEE International Conference on Communications (ICC)
pages
6 pages
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
conference name
IEEE International Conference on Communications, 2016
external identifiers
  • Scopus:84981346590
DOI
10.1109/ICC.2016.7511479
language
English
LU publication?
yes
id
07b3b8e6-d2d1-4607-bbe5-1c511cb96c42
date added to LUP
2016-05-30 09:12:16
date last changed
2016-11-29 04:00:02
@misc{07b3b8e6-d2d1-4607-bbe5-1c511cb96c42,
  abstract     = {Crosstalk cancellation is a crucial issue for traditional digital subscriber line systems. For LTE-over-copper systems, however, the need for crosstalk cancellation varies depending on the analog fronthauling architecture and its parameters. A crosstalk handler that is decoupled as much as possible from the rest of the system architecture is thus preferred. Therefore, we propose a time-domain precoding scheme specifically in downstream direction to separate the precoding unit from the LTE signal flow, and perform crosstalk cancellation in an on-demand manner. Estimation of all direct and crosstalk paths is assisted by LTE cell-specific reference signals. The time-domain precoder transforms the interference channel into a crosstalk-free channel with identical direct paths, which allows for low-complexity inter-symbol interference mitigation. We evaluate the concept in terms of signal-to-noise ratio provided for LTE signals using measured wireline channel data.},
  author       = {Huang, Yezi and Medeiros, Eduardo and Magesacher, Thomas and Höst, Stefan and Lu, Chenguang and Eriksson, Per-Erik  and Ödling, Per and Börjesson, Per Ola},
  language     = {eng},
  pages        = {1--6},
  publisher    = {ARRAY(0x4f7fad0)},
  series       = {2016 IEEE International Conference on Communications (ICC)},
  title        = {Time-Domain Precoding for LTE-over-Copper Systems},
  url          = {http://dx.doi.org/10.1109/ICC.2016.7511479 },
  year         = {2016},
}