An optimal circular 16-QAM modulation technique for wavelet and Fourier based OFDM

Khaizuran Abdullah, Ahmad Fadzil Ismail, Wahidah Hashim, Zahir M. Hussain

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

2 Citations (Scopus)

Abstract

A new approach of an optimal 16-QAM modulation has been introduced to be used for both Fourier and wavelet based OFDM. The comparison between circular and square 16- QAM is included. It is shown that the power consumption of circular is better than the square by 0.5359 W or -2.71 dB for the same minimum distance 2d. Simulation works for Fourier and wavelet based OFDM have been performed. In Fourier base OFDM, the circular has slightly out-performed the square when the number of subcarriers is varied from 32 to 256 at different BER values. When considering wavelet based OFDM, all wavelet families except Biorthogonal and Reverse-Biorthogonal have performed similar result for both modulation schemes. Of all Biorthogonal families, bior5.5 is the most out-performed one when using circular and square 16-QAM respectively.

Original languageEnglish
Title of host publicationInternational Conference on Computer and Communication Engineering, ICCCE'10
DOIs
Publication statusPublished - 2010
EventInternational Conference on Computer and Communication Engineering, ICCCE'10 - Kuala Lumpur, Malaysia
Duration: 11 May 201012 May 2010

Other

OtherInternational Conference on Computer and Communication Engineering, ICCCE'10
CountryMalaysia
CityKuala Lumpur
Period11/05/1012/05/10

Fingerprint

Quadrature amplitude modulation
Orthogonal frequency division multiplexing
Modulation
Electric power utilization

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Cite this

Abdullah, K., Ismail, A. F., Hashim, W., & Hussain, Z. M. (2010). An optimal circular 16-QAM modulation technique for wavelet and Fourier based OFDM. In International Conference on Computer and Communication Engineering, ICCCE'10 [5556821] https://doi.org/10.1109/ICCCE.2010.5556821
Abdullah, Khaizuran ; Ismail, Ahmad Fadzil ; Hashim, Wahidah ; Hussain, Zahir M. / An optimal circular 16-QAM modulation technique for wavelet and Fourier based OFDM. International Conference on Computer and Communication Engineering, ICCCE'10. 2010.
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Abdullah, K, Ismail, AF, Hashim, W & Hussain, ZM 2010, An optimal circular 16-QAM modulation technique for wavelet and Fourier based OFDM. in International Conference on Computer and Communication Engineering, ICCCE'10., 5556821, International Conference on Computer and Communication Engineering, ICCCE'10, Kuala Lumpur, Malaysia, 11/05/10. https://doi.org/10.1109/ICCCE.2010.5556821

An optimal circular 16-QAM modulation technique for wavelet and Fourier based OFDM. / Abdullah, Khaizuran; Ismail, Ahmad Fadzil; Hashim, Wahidah; Hussain, Zahir M.

International Conference on Computer and Communication Engineering, ICCCE'10. 2010. 5556821.

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

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AB - A new approach of an optimal 16-QAM modulation has been introduced to be used for both Fourier and wavelet based OFDM. The comparison between circular and square 16- QAM is included. It is shown that the power consumption of circular is better than the square by 0.5359 W or -2.71 dB for the same minimum distance 2d. Simulation works for Fourier and wavelet based OFDM have been performed. In Fourier base OFDM, the circular has slightly out-performed the square when the number of subcarriers is varied from 32 to 256 at different BER values. When considering wavelet based OFDM, all wavelet families except Biorthogonal and Reverse-Biorthogonal have performed similar result for both modulation schemes. Of all Biorthogonal families, bior5.5 is the most out-performed one when using circular and square 16-QAM respectively.

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Abdullah K, Ismail AF, Hashim W, Hussain ZM. An optimal circular 16-QAM modulation technique for wavelet and Fourier based OFDM. In International Conference on Computer and Communication Engineering, ICCCE'10. 2010. 5556821 https://doi.org/10.1109/ICCCE.2010.5556821