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

研究成果: Conference contribution

1 引用 (Scopus)

抄録

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.

元の言語English
ホスト出版物のタイトル2018 28th International Telecommunication Networks and Applications Conference, ITNAC 2018
出版者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781538671771
DOI
出版物ステータスPublished - 2019 1 16
外部発表Yes
イベント28th International Telecommunication Networks and Applications Conference, ITNAC 2018 - Sydney, Australia
継続期間: 2018 11 212018 11 23

出版物シリーズ

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

Conference

Conference28th International Telecommunication Networks and Applications Conference, ITNAC 2018
Australia
Sydney
期間18/11/2118/11/23

Fingerprint

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

ASJC Scopus subject areas

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

これを引用

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. : 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).

研究成果: Conference contribution

Mustafa, AM, Nguyen, NQ, Sato, T & Ohta, GI 2019, Four Single-Sideband M-QAM Modulation using Soft Input Soft Output Equalizer over OFDM. : 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. : 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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AB - 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.

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