[PDF] Top 20 Time-Frequency Based Channel Estimation for High-Mobility OFDM Systems–Part I: MIMO Case

... Doppler frequency range, we are able to estimate all the parameters of a multi-path, fading, and time-varying MIMO-OFDM channel via the spreading function of the ... See full document

... the estimation of time-varying channels for Cooperative Orthogonal Frequency Division Multiplexing (CO-OFDM) ...communication systems, significant Doppler frequency shifts are ... See full document

... and OFDM symbol index are neglected. The performance results of MIMO- OFDM systems with various MSE values are shown in ...MMSE- based phase noise suppression scheme and the MMSE ... See full document

... STO estimation, during the past decade, many pilot-based channel estimation schemes have been proposed for OFDM/OQAM systems, which can be broadly classified into ... See full document

... [4]. OFDM is an alternative wireless modulation technology to CDMA. OFDM is a modulation scheme that allows digital data to be efficiently and reliably transmitted over a radio channel even in ... See full document

... the channel estimation techniques on the MIMO-OFDM wireless communication system can be roughly classified into the following categories: the least squares algorithm (LS), the linear least ... See full document

... orthogonal frequency division multiplexing (OFDM) is expected to be a promising ...the estimation of the carrier frequency offset (CFO) and the channel parameters is a great challenging ... See full document

... communication systems provide capacity gains, compared to a single-input single-output systems without increasing the overall transmit power or requiring additional ...the channel is available to the ... See full document

... provides channel parameter estimation and bit error rate performance for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems in new ... See full document

... orthogonal frequency division multiplexing (OFDM) ...multicarrier OFDM arrangements with multiple- input multiple output(MIMO) systems has numerous benefits, this paper, we propose ... See full document

... carrier channel estimation methods offer low complexity and good performance and are thus quite widely used in communications systems ...the channel. This paper presents a method of improving ... See full document

... carrier frequency offset (CFO) estimation in multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) ...integer part plus a fractional part ... See full document

... novel MIMO channel estimator with the proposed Pilot Expansion technique has been implemented for MIMO-based systems that operate in both frequency and time selective ... See full document

... communication systems, wireless devices like smart phones, laptops and tablets have become ...like High Definition (HD) video ...Orthogonal Frequency Division Multiplexing (OFDM) [1] could be ... See full document

... decision-directed channel estimation scheme is proposed, which is suitable for employment in a wide range of multi-antenna multi-carrier systems as well as for communications over the entire range of ... See full document

... the channel based on training utilize multiple OFDM symbols that consist completely of pilot ...(SISO) systems, this approach can be found [7] whereas for multiple-input multiple-output ... See full document

... multiuser channel estimation technique for space time block coded orthogonalfrequency division multiplexing (STBC-OFDM) systems Based on simple blocked pilot ...The ... See full document

... from OFDM compared to FDM. The figure shows the graphical illustration of OFDM receiver and transmitter structure and it also shows the how OFDM is different from ...the ofdm system, at the ... See full document

... multipath. OFDM is a modulation technique which has multiple carrier, it retains various carriers, within the allotted bandwidth, to convey the data from source to ...[11] MIMO system has been proposed ... See full document

... CS-based channel estima- tion algorithm SS-SAMP was proposed for the ACO- OFDM VLC ...noise, channel response). The results show that CS-based techniques: OMP, SAMP, and SS-SAMP perform ... See full document