Channel Estimation Using a Training Sequence
Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications
... Abstract Channel estimation is a key technology for wireless optical communication (WOC) ...the training sequence (TS), this article develops three frequency domain (FD) channel ...
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An improved method of mimo ofdm channel estimation using chaotic pilot sequence
... other channel impairments with the available power and ...the channel state information accurately and promptly for coherent detection of information symbols and channel ...wireless channel ...
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Synchronisation of the superimposed training method for channel estimation in the presence of DC-offset
... the channel estimation and equalisation problem has been addressed under the superimposed training ...No training sequence synchronisa- tion was provided, and a DC-offset could be ...
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Optimal Superimposed Training Sequences for Channel Estimation in MIMO-OFDM Systems
... based channel estimation scheme for ST-based MIMO-OFDM systems is ...the training symbols on the data symbols prior to data ...the channel for an improved ...the training sequences that ...
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Channel Estimation Modeling
... joint channel estimation and single channel estimation are shown in ...joint channel estimator takes it into ...multipath channel. But for joint channel estimation ...
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Training based channel estimation algorithms for dual hop MIMO OFDM relay systems
... Training-Based Channel Estimation Algorithms for Dual Hop MIMO OFDM Relay Systems Andrew ...(MMSE) training-based channel estimation for two-hop multiple-input multiple-output ...
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A low complexity iterative channel estimation and equalisation scheme for (data-dependent) superimposed training
... equalisation. Channel estimation techniques fall into three main categories: blind, semi-blind and ...the training sequence used for channel estimation is allocated an empty time ...
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Synchronization and channel estimation in experimental M-QAM OFDM radio over fiber systems using CAZAC based training preamble
... Keywords— Channel estimation; frequency offset; OFDM; pilot; radio over fiber; synchronization; training sequence I. I NTRODUCTION The wireless bandwidths at conventional radio frequency (RF) ...
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Doubly Selective Channel Estimation Using Superimposed Training and Exponential Bases Models
... based) channel estimation using superimposed ...joint channel and information sequence estimation, based on CE-BEM, using Viterbi de- ...information sequence as ...
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Channel estimation and symbol detection for block transmission using data-dependent superimposed training
... of channel estimation error and ...However, using the fact that the data symbols are drawn from a finite alphabet and that is small compared to , symbol detection can be accomplished by finding the ...
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Linearly Time Varying Channel Estimation and Symbol Detection for OFDMA Uplink Using Superimposed Training
... by using superimposed ...the channel coe ffi cient is linearly ...LTV channel, we adopt a two-step approach to estimate the time-varying channel coefficients over multiple OFDMA ...the ...
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LTE Downlink Channel Estimation Using Music Algorithm
... the estimation of the channel coefficients; this operation is ensured by the interpolation of ...bit sequence into PSK/QAM symbols, performs IFFT on the symbols to convert them into time-domain ...
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Channel Estimation Using Extended Technique of Guard Band Reduction
... multi- channel modulation system employing Frequency Division Multiplexing (FDM) of orthogonal sub-carriers, each modulating a low bit-rate digital ...of channel state information greatly influences the ...
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MIMO-OFDM CHANNEL ESTIMATION USING PILOT TONE DESIGN
... for channel estimation in MIMO-OFDM systems has been studied by two di®erent ...the sequence of training symbols to the length of the MIMO channel, as described in [50], leading to ...
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Channel equalization using watermark as a training sequence
... ing sequence. There are some blind equalization algorithms, where training sequences are not used and data can still be equalized (Litwin, 1999; Zarzoso, ...by using digital watermarking. The ...
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Optimal Estimation of Training Interval for Channel Equalizations
... optimal training equalization for wireless communication is proposed and ...the training of the equalizer is carried out periodically, with the training interval optimized for a maximal ...
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Channel Estimation using OFDM for 4G
... parts channel estimation and channel tracking. In the channel estimation part, estimation of the channel transfer function in the preamble using MLS method is ...
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Training Based Channel Estimation in MIMO OFDM Systems
... 3D channel estimation unit, a unified and bandwidth effi- cient 3D pilot design is established that fits diverse de- ployment ...the channel is spatially correlated, pilots located on odd transmit ...
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Block synchronisation for joint channel and DC-offset estimation using data-dependent superimposed training
... joint channel and DC-offset estimation for data-dependent superimposed training ...in channel estimates with unknown ...for estimation of this delay ambiguity by exploiting the special ...
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Doubly selective channel estimation for OFDM modulated amplify and forward relay networks using superimposed training
... ST-based channel estimation We first test the proposed channel estimator with differ- ent tracking parameters, ...the channel MSE of S ! R and R ! D are almost independent of the AWGN, espe- ...
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