Designs for Reducing the Average Power of The Tomlinson-Harashima Precoding
Date Issued
2005-07-31
Date
2005-07-31
Author(s)
DOI
932213E002110
Abstract
Tomlinson-Harashima precoding is a technique for
eliminating intersymbol interference for the channel
with response known by the transmitter. By placing
equalizer at the transmitter side of the communication
system, the intersymbol interference can be
completely eliminated without noise enhancement.
Due to the feedback design of Tomlinson-Harashima
(TH) precoding, the output amplitude is uniformly
distributed. By observing this phenomenon, we
propose various designs so that the average power of
the output sequence of the TH precoding system can
be reduced.
Regarding the problem of reducing the average
output power of TH precoding system, there are a
few related research works, such as trellis shaping. In
this research, we propose to integrate error-correcting
codes and selective mapping methods including
multiple maximum-length sequences and multiple
interleavers, so as to obtain TH precoding systems
with low output power, high transmission rate and
high transmission reliability.
Subjects
Error-correcting Code
Tomlinson-Harashima precoding
Intersymbol Interference
pseudo-random sequence
Publisher
臺北市：國立臺灣大學電信工程學研究所
Type
report
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