Hybrid ARQ for modulo loss reduction in multi-user MIMO THP systems

Shoya Takebuchi, Hiromichi Tomeba, Takashi Onodera, Minoru Kubota, Fumiaki Maehara, Fumio Takahata

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    Multi-user MIMO (MU-MIMO) using Tomlinson-Harashima precoding (THP) has great potential to achieve high system capacity in wireless systems. On the other hand, hybrid ARQ (HARQ) is essential to realize the reliable wireless packet transmission and therefore, the combination of THP with HARQ can be seen as a promising approach to achieve reliable high-capacity wireless transmissions. However, this combination has a problem of severe performance degradation due to the accumulation of modulo loss which is the inherent drawback of THP. In this paper, we propose the HARQ scheme to cancel the accumulation of modulo loss in Multi-user MIMO THP systems. The main feature of the proposed approach is to add the same perturbation vector as the initial transmit packet to the retransmit packets in order to prevent the accumulation of modulo loss. The effectiveness of the proposed scheme is demonstrated in comparison with the conventional packet combining scheme by means of computer simulations.

    Original languageEnglish
    Title of host publicationISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems
    Pages375-380
    Number of pages6
    DOIs
    Publication statusPublished - 2013
    Event2013 21st International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2013 - Naha, Okinawa
    Duration: 2013 Nov 122013 Nov 15

    Other

    Other2013 21st International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2013
    CityNaha, Okinawa
    Period13/11/1213/11/15

    Fingerprint

    MIMO systems
    Degradation
    Computer simulation

    ASJC Scopus subject areas

    • Artificial Intelligence
    • Signal Processing

    Cite this

    Takebuchi, S., Tomeba, H., Onodera, T., Kubota, M., Maehara, F., & Takahata, F. (2013). Hybrid ARQ for modulo loss reduction in multi-user MIMO THP systems. In ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems (pp. 375-380). [6704579] https://doi.org/10.1109/ISPACS.2013.6704579

    Hybrid ARQ for modulo loss reduction in multi-user MIMO THP systems. / Takebuchi, Shoya; Tomeba, Hiromichi; Onodera, Takashi; Kubota, Minoru; Maehara, Fumiaki; Takahata, Fumio.

    ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems. 2013. p. 375-380 6704579.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Takebuchi, S, Tomeba, H, Onodera, T, Kubota, M, Maehara, F & Takahata, F 2013, Hybrid ARQ for modulo loss reduction in multi-user MIMO THP systems. in ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems., 6704579, pp. 375-380, 2013 21st International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2013, Naha, Okinawa, 13/11/12. https://doi.org/10.1109/ISPACS.2013.6704579
    Takebuchi S, Tomeba H, Onodera T, Kubota M, Maehara F, Takahata F. Hybrid ARQ for modulo loss reduction in multi-user MIMO THP systems. In ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems. 2013. p. 375-380. 6704579 https://doi.org/10.1109/ISPACS.2013.6704579
    Takebuchi, Shoya ; Tomeba, Hiromichi ; Onodera, Takashi ; Kubota, Minoru ; Maehara, Fumiaki ; Takahata, Fumio. / Hybrid ARQ for modulo loss reduction in multi-user MIMO THP systems. ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems. 2013. pp. 375-380
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