A proposed preamble channel estimation scheme for flip FBMC-based indoor VLC systems

• Autorzy: El-Ganiny Mohamed Y. , Khalaf Ashraf A. M. , Hussein Aziza I. , Hamed Hesham F. A.

Identyfikatory

DOI

10.24425/opelre.2022.140859

• Języki publikacji: EN

Abstrakty

EN

Filter bank multicarrier waveform is investigated as a potential waveform for visible light communication broadcasting systems. Imaginary inter-carrier and/or inter-symbol interference are causing substantial performance degradation in the filter bank multicarrier system. Direct current-biased optical filter bank multicarrier modulation overcomes all the problems of direct current-biased optical-orthogonal frequency division multiplexing modulation approaches in terms of speed and bandwidth. However, it also wastes a lot of energy while transforming a true bipolar signal into a positive unipolar signal by adding direct current-bias. In this paper, a flip-filter bank multicarrier-based visible light communication system was introduced to overcome this problem. In this system, a bipolar signal is converted to a unipolar signal by isolating the positive and negative parts, turning them to positive and then delivering the signal. Also, a new channel estimation scheme for a flip-filter bank multicarrier system is proposed which improves the channel estimation performance compared to that of each of the conventional schemes. The proposed system performance is measured in terms of bit error rate, normalized mean squared error, and constellation diagram. The superiority of the proposed scheme over other conventional structures has been successfully verified by MATLAB 2020b simulation experiments results. These results are evaluated under indoor visible light communication standard.

Słowa kluczowe

EN

channel estimation; filter bank multicarrier; IEEE 802.15.7 standard; interference approximation method; visible light communication

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2022
• Tom: Vol. 30, No. 1
• Strony: art. no. e140859
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr., tab.

Twórcy

autor

El-Ganiny Mohamed Y.

• Department of Electrical Engineering, Higher Technological Institute, 10th of Ramadan City, Sharqia, Egypt

autor

Khalaf Ashraf A. M.

• Department of Electrical Engineering, Faculty of Engineering, Minia University, Minia, Egypt

autor

Hussein Aziza I.

• Electrical and Computer Engineering Department, Effat University, Jeddah, Kingdom of Saudi Arabia

autor

Hamed Hesham F. A.

• Department of Telecommunications Engineering, Egyptian Russian University, Badr City, Egypt

Bibliografia

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