TIR-UWB COMMUNICATION SYSTEM ANALYSIS AND COMPENSATION IN AN IMPERFECT CSI SCENARIO

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KHALEGHI BIZAKI H.; ALIZADEH S.; OKHOVVAT M.

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Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ Year:2011 | Volume:9 | Issue:3 Page(s): 151-161

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Title

TIR-UWB COMMUNICATION SYSTEM ANALYSIS AND COMPENSATION IN AN IMPERFECT CSI SCENARIO

Author(s)

KHALEGHI BIZAKI H. | ALIZADEH S. | OKHOVVAT M. | Issue Writer Certificate

Keywords

OPTIMAL MMSE ESTIMATORQ3

TIME REVERSAL (TIR) TECHNIQUEQ3

TIME REVERSED UWB (TIR-UWB) SYSTEMSQ3

SIMPLE MATCHED FILTERQ3

Abstract

Time reversal method has been recently considered with great interest due to its ability of the receiver complexity mitigation in the UWB communication systems. However, the channel imperfection (Imperfect CSI) has the destroyed effects on the time-reversed UWB communication system performance. In this paper, at first the BER equations have been calculated in the TiR-UWB systems with the SIMPLE MATCHED FILTER receiver in an imperfect CSI scenario. Then, a two-stage algorithm is proposed to improve the TiR-UWB in such conditions. First stage of mentioned algorithm provides the pre-filter coefficients derivation based on MMSE criteria via channel estimation error covariance matrix and then, an iterative routine is obtained in second stage via the SIMPLE MATCHED FILTER receiver based on the derived coefficients in first stage. Finally, exhaustive simulations are done to demonstrate the performance advantage attained by the improved algorithm. As an especial case, the TiR-UWB system performance is improved by the proposed algorithm in 3 steps.

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APA: Copy

KHALEGHI BIZAKI, H., ALIZADEH, S., & OKHOVVAT, M.. (2011). TIR-UWB COMMUNICATION SYSTEM ANALYSIS AND COMPENSATION IN AN IMPERFECT CSI SCENARIO. NASHRIYYAH-I MUHANDESI-I BARQ VA MUHANDESI-I KAMPYUTAR-I IRAN (PERSIAN), 9(3), 151-161. SID. https://sid.ir/paper/53804/en

Vancouver: Copy

KHALEGHI BIZAKI H., ALIZADEH S., OKHOVVAT M.. TIR-UWB COMMUNICATION SYSTEM ANALYSIS AND COMPENSATION IN AN IMPERFECT CSI SCENARIO. NASHRIYYAH-I MUHANDESI-I BARQ VA MUHANDESI-I KAMPYUTAR-I IRAN (PERSIAN)[Internet]. 2011;9(3):151-161. Available from: https://sid.ir/paper/53804/en

IEEE: Copy

H. KHALEGHI BIZAKI, S. ALIZADEH, and M. OKHOVVAT, “TIR-UWB COMMUNICATION SYSTEM ANALYSIS AND COMPENSATION IN AN IMPERFECT CSI SCENARIO,” NASHRIYYAH-I MUHANDESI-I BARQ VA MUHANDESI-I KAMPYUTAR-I IRAN (PERSIAN), vol. 9, no. 3, pp. 151–161, 2011, [Online]. Available: https://sid.ir/paper/53804/en

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