UPPER AND LOWER BOUNDS ON ICI POWER OF FRFT-OFDM SYSTEMS IN FREQUENCY SELECTIVE TIME VARYING CHANNELS

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MOKHTARI Z.; SABBAGHIAN M.

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Paper Information

Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ Year:2016 | Volume:14 | Issue:2 Page(s): 143-148

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Title

UPPER AND LOWER BOUNDS ON ICI POWER OF FRFT-OFDM SYSTEMS IN FREQUENCY SELECTIVE TIME VARYING CHANNELS

Author(s)

MOKHTARI Z. | SABBAGHIAN M. | Issue Writer Certificate

Keywords

ORTHOGONAL FREQUENCY DOMAIN MULTIPLEXINGQ2

INTER CARRIER INTERFERENCEQ2

FRACTIONAL FOURIER TRANSFORMQ1

FREQUENCY SELECTIVE TIME VARYING CHANNELQ2

Abstract

Abstract-In this paper, we study the INTER CARRIER INTERFERENCE (ICI) in FRACTIONAL FOURIER TRANSFORM based orthogonal frequency division multiplexing (FrFT-OFDM) systems. In this analysis, we derive tight upper and lower bounds for ICI power of FrFT-OFDM systems in doubly dispersive channels. These bounds have considerably simpler expressions than the exact ICI formula. Thus, they provide deep and useful insight into the effect of Doppler frequency, symbol duration, channel delay spread, and angle of transform on the ICI power. This analysis confirms that in the special case of flat fast fading channels the FrFT-OFDM and Fourier transform based OFDM (FT-OFDM) systems exhibit analogous performance while in doubly dispersive channels FrFT-OFDM can achieve better performance than single carrier (SC) and FT-OFDM, if the angle of transform is selected accurately.

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APA: Copy

MOKHTARI, Z., & SABBAGHIAN, M.. (2016). UPPER AND LOWER BOUNDS ON ICI POWER OF FRFT-OFDM SYSTEMS IN FREQUENCY SELECTIVE TIME VARYING CHANNELS. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, 14(2), 143-148. SID. https://sid.ir/paper/228193/en

Vancouver: Copy

MOKHTARI Z., SABBAGHIAN M.. UPPER AND LOWER BOUNDS ON ICI POWER OF FRFT-OFDM SYSTEMS IN FREQUENCY SELECTIVE TIME VARYING CHANNELS. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ[Internet]. 2016;14(2):143-148. Available from: https://sid.ir/paper/228193/en

IEEE: Copy

Z. MOKHTARI, and M. SABBAGHIAN, “UPPER AND LOWER BOUNDS ON ICI POWER OF FRFT-OFDM SYSTEMS IN FREQUENCY SELECTIVE TIME VARYING CHANNELS,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, vol. 14, no. 2, pp. 143–148, 2016, [Online]. Available: https://sid.ir/paper/228193/en

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