time-domain channel estimation
A Survey on Channel Estimation for OFDM-IDMA Receivers Systems
... OFDM channel estimation based on piecewise- constant and piecewise-linear interpolation between pilots has been proposed for OFDM system in [15], with the drawback that they need large pilots to get ...
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Time-Frequency Training OFDM: A Novel Technique
... for channel estimation and ...reliable time-domain channel estimation and frequency-domain data detection in TDS-OFDM systems, iterative interference cancellation has to ...
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Low Complexity Channel Estimation for OFDM and MC CDMA
... SUMMARY In this paper we have proposed a channel estimation method, which is based on a low-complexity decision directed MMSE FS-CLR estimator combined with a robust time-domain FS-CIR p[r] ...
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Optimal Superimposed Training Sequences for Channel Estimation in MIMO-OFDM Systems
... iterative time domain Least Squares (LS) based channel estimation method using superimposed training (ST) for a Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing ...
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Review of Channel Estimation Techniques in OFDM
... in time, the block-type pilot arrangement is suitable for frequency-selective ...the channel variation by reducing the pilot symbol ...the channel along the frequency ...frequency-selective ...
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Assisted Channel Estimation with Dynamic Allocation Pilot Subcarriers for OFDM Communications
... efficient estimation of time-variant ...the channel, pilot subcarri- ers are inserted into the OFDM ...The channel is estimated in the time domain and the temporal variations of ...
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Analysis of SOSTTC-OFDM based on Least Squares Method
... fading channel SOBC in the space and time domain show an improved coding gain and provide full diversity when compared with both space-time block codes [3] and space- time trellis codes ...
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Single channel speech separation in modulation frequency domain based on a novel pitch range estimation method
... single channel speech separation sys- tem is proposed that estimates the pitch range of one or two speakers and segregates the target speech from the ...the estimation of pitch range based on short ...
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Channel Frequency Response Estimation for MIMO Systems with Frequency-Domain Equalization
... the channel information in terms of the channel frequency response ...CFR estimation scheme, which is hardware efficient when integrated with SC-FDE and space-time coding (STC) in MIMO ...CFR ...
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Cyclic Prefix Based Channel Estimation of Single Carrier Frequency Domain Equalization
... equalization, channel state information need to be known. Traditionally, the channel estimation is based on the known sequence of bits, which is unique for a certain transmitter and which is repeated ...
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An Adaptive LMMSE Interpolation Algorithm for Channel Estimation in LTE Advanced Systems
... PDP estimation is mainly to estimate the channel power delay distribution (PDP), The PDP estimation idea is that the channel estimation value of the pilot position is obtained by the ...
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Comparisons of Short Prefix Based Channel Estimation in Single Carrier Communication Systems
... precise channel state infor- mation (CSI) for the ...time domain. With the assumption that there are only L number of channel taps where L is smaller than the length of cyclic prefix (CP), the ...
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A time-domain control signal detection technique for OFDM
... a time-domain approach used to detect deterministic control signalling ...(ML) estimation method, which is often used, the time-domain detection technique requires no channel ...
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Channel Estimation Enhancement in OFDM System based on Time Domain interpolation
... the channel is very ...(fading channel), when increasing the data rate this leads to increase the inter- symbol-interference ...fading channel into many parallel flat fading channel [1]. Also ...
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Semiblind frequency-domain timing synchronization and channel estimation for OFDM systems
... and channel estimation algorithm based on unit vectors, and demonstrates that this algo- rithm is suitable for multipath fading channels with both LOS and NLOS ...frequency- domain. Then, a fine ...
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Channel estimation for FDD massive MIMO system by exploiting the sparse structures in angular domain
... CSI: Channel state information; DFT: Discrete Fourier transform; EM: Expectation maximization; FDD: Frequency division duplex; IoT: Internet of Things; LS: Least square; MIMO: Multiple-input multiple-output; MMSE: ...
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Performance evaluation of MIMO OFDM implementation on Wireless Open Access Research Platform (WARP)
... anticipate channel fading without increasing the bandwidth of the transmission ...same time can be use so that the receiver able to detect and estimate the signal data ...and time by using ...
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Space-time block coding with imperfect channel estimation and synchronization
... the channel state information ...the channel estimation can never be perfect and fading factors derived from pilot symbols cannot represent the channels for data symbols in fast fading environment ...
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On the orthogonalised reverse path method for nonlinear system identification
... conditioned spectral analysis which yield the underlying linear FRF can corrupt or bias the estimates of the nonlinear term parameters. The first objective of the current paper has been to suggest some simple strategies ...
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Assessing Software Quality with Time Domain Pareto Type II using SPC
... of size r, which would be equal to power of the distribution function of the original variable (m(t)). The whole process involves the mathematical model of the mean value function and knowledge about its parameters. If ...
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