Performance optimization of Tomlinson-Harashima precoder with tilted constellation

Authors:
Jiwon Kang;Dong-Seung Kwon;Chungyong Lee
Affiliations:
LG Electronics;Electronics and Telecommunications Research Institute;Electrical and Electronic Engineering Dept., Yonsei University
Venue:
IEEE Communications Letters
Year:
2010

Citing 3
Cited 0

Tomlinson-Harashima precoder with tilted constellation for reducing transmission power

IEEE Transactions on Wireless Communications
Cholesky Factorization With Symmetric Permutation Applied to Detecting and Precoding Spatially Multiplexed Data Streams

IEEE Transactions on Signal Processing
Precoding in multiantenna and multiuser communications

IEEE Transactions on Wireless Communications

Quantified Score

Hi-index	0.00

Visualization

Abstract

An algorithm is proposed to optimize performance of a novel technique providing a great performance improvement over Tomlinson-Harashima precoder (THP), referred to as THP with tilted constellation (THP-TC). Proposed algorithm deals with a problem that THP-TC has faced with, the optimization of size of angular candidate set under a constant noise power condition, which is valid for the most applications of THP-TC including multiuser MIMO applications. As a result, proposed algorithm facilitates THP-TC to reach its best compromise between the transmit power reduction and the symbol error increase caused by the estimation process of tilted angle at the receiver.