Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM

Alhasani M. Mustafa, Ngoc quang Nguyen, Takuro Sato, Gen Ichhiro Ohta

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

    Abstract

    The Single Sideband (SSB) modulation through Hilbert transformation has successfully transmitted data using only half bandwidth for the same amount of contained information. Towards this line, the Four Single SideBand (4-SSB) using QPSK modulation over OFDM was proposed as a new applicable modulation for the next generation communication system, such as 5G. This approach can improve the network efficiency, however, the InterSymbol Interference (ISI) is substantially introduced in 4-SSB based modulation due to the wireless channel characteristics, especially when we are increasing the order of modulation. Particularly, the Widely Linear Minimum Mean Squared Error (MMSE) equalizer is impractical in high order modulation because of its high performance degradation. In this paper, we propose a 4-SSB M-QAM over OFDM approach to improve the modulation feasibility and data rate, compared to the previous 4-SSB using QPSK over OFDM. The proposal uses the Infinite Length MMSE Soft Input Soft Output (SISO) equalizer to deal with ISI induced by the Finite Impulse Response (FIR) of the Hilbert transform filter. The evaluation results show that the proposed 4-SSB-based modulation technique using MMSE SISO equalizer can considerably reduce the effect of ISI in non-ideal environments, including the Additive White Gaussian Noise (AWGN) and fading channel.

    Original languageEnglish
    Title of host publication2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781538671771
    DOIs
    Publication statusPublished - 2019 Jan 16
    Event28th International Telecommunication Networks and Applications Conference, ITNAC 2018 - Sydney, Australia
    Duration: 2018 Nov 212018 Nov 23

    Publication series

    Name2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018

    Conference

    Conference28th International Telecommunication Networks and Applications Conference, ITNAC 2018
    CountryAustralia
    CitySydney
    Period18/11/2118/11/23

    Fingerprint

    Quadrature amplitude modulation
    Equalizers
    Orthogonal frequency division multiplexing
    Modulation
    Intersymbol interference
    Quadrature phase shift keying
    Impulse response
    Fading channels
    Communication systems
    Bandwidth
    Degradation

    Keywords

    • Fading Channel
    • InterSymbol Interference (ISI)
    • Orthogonal 4-SSB Element Modulation
    • Single Sideband (SSB)
    • Turbo Equalization

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Hardware and Architecture
    • Software
    • Safety, Risk, Reliability and Quality

    Cite this

    Mustafa, A. M., Nguyen, N. Q., Sato, T., & Ohta, G. I. (2019). Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM. In 2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018 [8615451] (2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ATNAC.2018.8615451

    Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM. / Mustafa, Alhasani M.; Nguyen, Ngoc quang; Sato, Takuro; Ohta, Gen Ichhiro.

    2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018. Institute of Electrical and Electronics Engineers Inc., 2019. 8615451 (2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018).

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

    Mustafa, AM, Nguyen, NQ, Sato, T & Ohta, GI 2019, Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM. in 2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018., 8615451, 2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018, Institute of Electrical and Electronics Engineers Inc., 28th International Telecommunication Networks and Applications Conference, ITNAC 2018, Sydney, Australia, 18/11/21. https://doi.org/10.1109/ATNAC.2018.8615451
    Mustafa AM, Nguyen NQ, Sato T, Ohta GI. Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM. In 2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018. Institute of Electrical and Electronics Engineers Inc. 2019. 8615451. (2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018). https://doi.org/10.1109/ATNAC.2018.8615451
    Mustafa, Alhasani M. ; Nguyen, Ngoc quang ; Sato, Takuro ; Ohta, Gen Ichhiro. / Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM. 2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018. Institute of Electrical and Electronics Engineers Inc., 2019. (2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018).
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