Constellation shaping for IEEE 802.11

Y.C. Gultekin; W.J. van Houtum; S. Serbetli; F.M.J. Willems

doi:10.1109/PIMRC.2017.8292338

Constellation shaping for IEEE 802.11

Y.C. Gultekin, W.J. van Houtum, S. Serbetli, F.M.J. Willems

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

24 Citaten (Scopus)

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A constellation shaping scheme is proposed. The motivation is to decrease the required transmit power for a specified spectral efficiency. Instead of imposing a non-uniform distribution on the constellation or using nonuniformly spaced symbols, a sphere constraint is employed on the n-dimensional signal space. An efficient algorithm called enumerative amplitude shaping is given to find and index all signal points in the sphere. A comparison with a prominent probabilistic shaping algorithm is provided. The enumerative approach achieves the target rate more efficiently for small block lengths. To introduce error correction, the convolutional encoder used in IEEE Std 802.11 is combined with the shaper in a novel way. Instead of utilizing a larger constellation in combination with shaping, a higher code rate is used by puncturing. Gains up to 1.61 dB are observed for the rates 3 to 6 bits/2-D with 64- and 256-QAM schemes in AWGN channels. The contribution of puncturing in these gains is discussed.

Originele taal-2	Engels
Titel	Proceedings of the 28th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017)
Subtitel	Engaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings
Plaats van productie	Piscataway
Uitgeverij	Institute of Electrical and Electronics Engineers
Aantal pagina's	7
ISBN van elektronische versie	978-1-5386-3531-5
ISBN van geprinte versie	978-1-5386-3529-2
DOI's	https://doi.org/10.1109/PIMRC.2017.8292338
Status	Gepubliceerd - 14 feb. 2018
Evenement	28th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017 - Hotel Bonaventure, Montreal, Canada Duur: 8 okt. 2017 → 13 okt. 2017 Congresnummer: 28 http://pimrc2017.ieee-pimrc.org/

Congres

Congres	28th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017
Verkorte titel	PIMRC 2017
Land/Regio	Canada
Stad	Montreal
Periode	8/10/17 → 13/10/17
Internet adres	http://pimrc2017.ieee-pimrc.org/

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10.1109/PIMRC.2017.8292338

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http://www.mendeley.com/research/constellation-shaping-ieee-80211

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24 Citaties
1 Conferentiebijdrage
1 Tijdschriftartikel

Enumerative sphere shaping for wireless communications with short packets
Gultekin, Y. (Corresponding author), van Houtum, W., Koppelaar, A. G. C. & Willems, F., 1 feb. 2020, In: IEEE Transactions on Wireless Communications. 19, 2, blz. 1098-1112 15 blz., 8895789.
Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

Open Access
63 Citaties (SciVal)

3 Downloads (Pure)
Partial enumerative sphere shaping
Gultekin, Y., van Houtum, W., Koppelaar, A. G. C. & Willems, F., sep. 2019, 2019 IEEE 90th Vehicular Technology Conference, VTC 2019 Fall - Proceedings. Piscataway: Institute of Electrical and Electronics Engineers, 6 blz. 8891195
Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

Open Access
5 Citaten (Scopus)

1 Downloads (Pure)

Citeer dit

Gultekin, Y. C., van Houtum, W. J., Serbetli, S., & Willems, F. M. J. (2018). Constellation shaping for IEEE 802.11. In Proceedings of the 28th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017): Engaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/PIMRC.2017.8292338

Gultekin, Y.C. ; van Houtum, W.J. ; Serbetli, S. et al. / Constellation shaping for IEEE 802.11. Proceedings of the 28th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017): Engaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings. Piscataway : Institute of Electrical and Electronics Engineers, 2018.

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abstract = "A constellation shaping scheme is proposed. The motivation is to decrease the required transmit power for a specified spectral efficiency. Instead of imposing a non-uniform distribution on the constellation or using nonuniformly spaced symbols, a sphere constraint is employed on the n-dimensional signal space. An efficient algorithm called enumerative amplitude shaping is given to find and index all signal points in the sphere. A comparison with a prominent probabilistic shaping algorithm is provided. The enumerative approach achieves the target rate more efficiently for small block lengths. To introduce error correction, the convolutional encoder used in IEEE Std 802.11 is combined with the shaper in a novel way. Instead of utilizing a larger constellation in combination with shaping, a higher code rate is used by puncturing. Gains up to 1.61 dB are observed for the rates 3 to 6 bits/2-D with 64- and 256-QAM schemes in AWGN channels. The contribution of puncturing in these gains is discussed.",

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Gultekin, YC , van Houtum, WJ, Serbetli, S & Willems, FMJ 2018, Constellation shaping for IEEE 802.11. in Proceedings of the 28th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017): Engaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers, Piscataway, 28th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017, Montreal, Canada, 8/10/17. https://doi.org/10.1109/PIMRC.2017.8292338

Constellation shaping for IEEE 802.11. / Gultekin, Y.C.; van Houtum, W.J.; Serbetli, S. et al.
Proceedings of the 28th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017): Engaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings. Piscataway: Institute of Electrical and Electronics Engineers, 2018.

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

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Gultekin YC , van Houtum WJ, Serbetli S, Willems FMJ. Constellation shaping for IEEE 802.11. In Proceedings of the 28th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017): Engaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings. Piscataway: Institute of Electrical and Electronics Engineers. 2018 doi: 10.1109/PIMRC.2017.8292338

Constellation shaping for IEEE 802.11

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Congres

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Enumerative sphere shaping for wireless communications with short packets

Partial enumerative sphere shaping

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