A novel modulo loss suppression scheme employing theoretical BER formula for MU-MIMO THP systems

Kei Nishimura, Tomoki Maruko, Hiromichi Tomeba, Takashi Onodera, Minoru Kubota, Fumiaki Maehara, Fumio Takahata

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

This paper proposes a novel modulo loss suppression scheme employing a theoretical BER formula for multi-user multiple-input multiple-output (MU-MIMO) Tomlinson-Harashima Precoding (THP) systems. The main feature of the proposed approach is to control the constellation distance by using the simple theoretical bit error rate (BER) formula in order to overcome the modulo loss. Behind this proposal, there is an interesting fact that the BER performance is dependent on the influence of both the thermal noise and the modulo loss and that its influence is determined by the constellation distance. In the proposed approach, we newly derive a theoretical simple BER formula for MU-MIMO THP and then find out the optimal constellation distance to suppress the modulo loss. The effectiveness of the proposed scheme is demonstrated in comparison to the traditional MU-MIMO THP with fixed distance by means of computer simulations.

本文言語English
ホスト出版物のタイトル2015 IEEE 82nd Vehicular Technology Conference, VTC Fall 2015 - Proceedings
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781479980918
DOI
出版ステータスPublished - 2016 1月 25
イベント82nd IEEE Vehicular Technology Conference, VTC Fall 2015 - Boston, United States
継続期間: 2015 9月 62015 9月 9

出版物シリーズ

名前2015 IEEE 82nd Vehicular Technology Conference, VTC Fall 2015 - Proceedings

Other

Other82nd IEEE Vehicular Technology Conference, VTC Fall 2015
国/地域United States
CityBoston
Period15/9/615/9/9

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 自動車工学
  • ハードウェアとアーキテクチャ

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