GFDM with different subcarrier bandwidths

Yuta Akai, Yuka Enjoji, Yukitoshi Sanada, Ryota Kimura, Ryo Sawai

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

Abstract

This paper proposes a generalized frequency division multiplexing (GFDM) modulation scheme that transmits a signal with different subcarrier bandwidths. In a receiver, the GFDM signal is demodulated by using a zero forcing (ZF) algorithm or a minimum mean square error (MMSE) algorithm and the BER performance of these algorithms is related to the condition number of a modulation matrix. This matrix can be optimized by adjusting the roll-off factor of subcarrier filters. It is shown that the performance of the proposed GFDM is about 0.02 dB better than that with a roll-off factor of 0 at a BER of 10-3 on an AWGN channel. On the other hand, on the multipath fading channels, the BER performance improves as the subcarrier bandwidth increases because of frequency diversity.

Original languageEnglish
Title of host publication2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509017010
DOIs
Publication statusPublished - 2017 Mar 17
Event84th IEEE Vehicular Technology Conference, VTC Fall 2016 - Montreal, Canada
Duration: 2016 Sep 182016 Sep 21

Other

Other84th IEEE Vehicular Technology Conference, VTC Fall 2016
CountryCanada
CityMontreal
Period16/9/1816/9/21

Fingerprint

Frequency division multiplexing
Multiplexing
Division
Bandwidth
Modulation
Multipath fading
Mean square error
Fading channels
Zero-forcing
Minimum Mean Square Error
Multipath
Fading Channels
Condition number
Receiver
Filter

ASJC Scopus subject areas

  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Akai, Y., Enjoji, Y., Sanada, Y., Kimura, R., & Sawai, R. (2017). GFDM with different subcarrier bandwidths. In 2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings [7881030] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VTCFall.2016.7881030

GFDM with different subcarrier bandwidths. / Akai, Yuta; Enjoji, Yuka; Sanada, Yukitoshi; Kimura, Ryota; Sawai, Ryo.

2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 7881030.

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

Akai, Y, Enjoji, Y, Sanada, Y, Kimura, R & Sawai, R 2017, GFDM with different subcarrier bandwidths. in 2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings., 7881030, Institute of Electrical and Electronics Engineers Inc., 84th IEEE Vehicular Technology Conference, VTC Fall 2016, Montreal, Canada, 16/9/18. https://doi.org/10.1109/VTCFall.2016.7881030
Akai Y, Enjoji Y, Sanada Y, Kimura R, Sawai R. GFDM with different subcarrier bandwidths. In 2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2017. 7881030 https://doi.org/10.1109/VTCFall.2016.7881030
Akai, Yuta ; Enjoji, Yuka ; Sanada, Yukitoshi ; Kimura, Ryota ; Sawai, Ryo. / GFDM with different subcarrier bandwidths. 2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017.
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