OFDM-MIMO based carrier frequency offset modulation for the multi-carrier transmission
نویسندگان
چکیده
منابع مشابه
Carrier Frequency Offset Estimation For MIMO-OFDM Beamforming Systems
In wireless communications systems, Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input Multiple Output (MIMO) are used to improve spectral efficiency and spatial diversity. Beamforming is used to improve bandwidth utilization. It increases the network range in wireless systems. The main challenge of OFDM system is Carrier frequency offset (CFO). The project focuses on CFO esti...
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Orthogonal frequency division multiplexing (OFDM) is a popular method for high data rate wireless transmission. The performance of OFDM system is very sensitive to carrier frequency Offset (CFO), which introduces inter-carrier interference (ICI). Multi-input multi-output system used for increasing diversity gain and capacity of the system. Alamouti space time block code is used for MIMO transmi...
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In this paper, we address the problem of carrier frequency offset (CFO) estimation for multipleinput multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. We reconstruct the received signal to form data model with multi-invariance property, and then multiinvariance MUSIC algorithm for CFO estimation is proposed. Our proposed algorithm has the better CFO estimation pe...
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Orthogonal Frequency Division Multiplexing (OFDM) is multicarrier modulation scheme for combating channel impairments such as severe multipath fading and impulsive noise. However, the principal disadvantage of OFDM is that it is highly susceptible to carrier frequency offset (CFO). Carrier frequency offset occurs due to frequency discrepancies between transmitter and receiver and Doppler shift ...
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ژورنال
عنوان ژورنال: International journal of advanced computer research
سال: 2022
ISSN: ['2249-7277', '2277-7970']
DOI: https://doi.org/10.19101/ijacr.2021.1152063