Channel Estimation for MIMO-OFDM
Semiblind channel estimation for MIMO–OFDM systems
... semiblind channel estimation method for MIMO–OFDM systems based on a specific and non-redundant precoding scheme, say, circular pre- coding, since the circular precoding allows channel ...
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Advanced Channel Estimation for MIMO OFDM in Realistic Channel Conditions
... 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 ...
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Kalman Filtering based Channel Estimation for MIMO OFDM
... 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 the ...
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MMSE Channel Estimation For MIMO-OFDM Using Spatial and Temporal Correlations
... parametric channel estimation which utilizes sparsity of wireless channels to reduce the pilot overhead[4],[5] ...saprse MIMO-OFDM channel estimation scheme based on spatial and ...
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MMSE Channel Estimation for MIMO-OFDM Using Spatial and Temporal Correlations
... Abstract:- Channel has been introduced to achieve high data speed and better bit ...when OFDM (Orthogonal Frequency Division Multiplexing) is combined with MIMO to obtain high transmission rates, ...
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An improved method of mimo ofdm channel estimation using chaotic pilot sequence
... LS channel estimation and MMSE channel estimation for MIMO- OFDM in fading channel, where new chaotic sequence are used as data sequence which are generated from Logistic ...
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Synchronization and channel estimation in MIMO OFDM systems
... 1. Channel estimation in 2*2 MIMO-OFDM systems L=4 and ...CONCLUSION Estimation of channel coefficients and synchronization parameters are two main challenges in realization of ...
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Adaptive Channel Estimation Technique for MIMO-OFDM
... a MIMO-OFDM system is design. In training based channel estimation algorithms, training symbols or pilot tones that are known to the receiver, are multiplexed along with the data stream for ...
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Training Based Channel Estimation in MIMO OFDM Systems
... ABSTRACT OFDM combined with the MIMO technique has become a core and attractive technology in future wireless communi- cation systems and can be used to both improve capacity and quality of mobile wireless ...
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Capacity of MIMO OFDM with Pilot Aided Channel Estimation
... for MIMO-OFDM operating in time-variant frequency selec- tive ...for MIMO-OFDM schemes without channel knowledge at the ...pilot-aided channel estimation (PACE) with ...
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A perspective on Channel estimation in MIMO OFDM wireless systems
... Channel estimation is a crucial and challenging issue in coherent modulation and its accuracy has a significant impact on the overall performance of communication ...The channel estimation in ...
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Review on Channel Estimation in MIMO OFDM Wireless System
... of MIMO- OFDM (multiple input multiple output-orthogonal frequency division multiplexing) is more popular because of good data transmission rate and its robustness against multipath fading & good spectral ...
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Iterative Sparse Channel Estimation and Decoding for Underwater MIMO-OFDM
... underwater MIMO-OFDM that couples channel estimation with multiple-input multiple-output (MIMO) detection and low-density parity-check (LDPC) channel ...the channel ...
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A channel estimation method for MIMO-OFDM Mobile WiMax systems
... for channel estimation have been proposed in the ...Blind channel estimation which relies on the exploitation of the statistical information of the received symbols [4], has the ...
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Less Complex Channel Estimation Technique for MIMO OFDM system
... the channel information is available. For example, channel estimation is crucial for the receiver combining or decoding of space-time ...Therefore, channel estimation is essential in ...
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Sparse channel estimation by pilot allocation in MIMO OFDM systems
... The channel estimation problem in multi-input-multi-output orthogonal frequency division multiplexing (MIMO-OFDM) systems is due to multipath delay spread and high sampling rate is ...
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Synchronization and Channel Estimation in Higher Order Mimo Ofdm System
... So, channel estimation in the system is ...the channel estimation method in multi-antenna systems is better performance than in one antenna ...the channel estimation with zero ...
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MIMO OFDM with Enhanced Channel Estimation based on DFT Interpolation
... the channel characteristic (due to multipath ...the channel effect must be known at the receiver. In this paper channel estimation for STBC-MIMO-OFDM system has been investigated ...
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Channel Estimation and Optimization for Pilot Design in MIMO OFDM Systems
... LS channel estimation in MIMO OFDM systems. Channel estimation is done with the help of bit error rate and mean square error corresponding values of signal to noise ...
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MIMO OFDM Channel Estimation in the Presence of Carrier Frequency Offset
... phrases: MIMO-OFDM, CFO estimation, channel estimation, CRB, ...However, OFDM techniques are more sensitive to carrier frequency offset (CFO) than single- carrier (SC) ...the ...
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