low complexity channel estimation
Low Complexity Channel Estimation for OFDM and MC CDMA
... In the MC-CDMA mode a 128-chip WH spreading code was as- sumed and a single user transmitted all the spreading codes in parallel in order to maintain a data-rate similar to that of the OFDM system. All transmitted codes ...
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Low complexity Channel Estimation for Large scale Receiving Antenna Systems Based on PASTd
... In massive received antenna array system, not a few of algorithms have been studied deeply to capture targets’ angle information. The methods of two-dimensional DOA estimation includes the 2D-MUSIC algorithm [1], ...
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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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Low complexity beam domain channel estimation and power allocation in hybrid architecture massive MIMO systems
... beam-domain channel estimation and power allocation in hybrid architecture massive multiple-input and multiple-output (MIMO) communication ...a low-complexity channel estimation ...
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A Low Complexity LMMSE Channel Estimation Method for OFDM Based Cooperative Diversity Systems with Multiple Amplify and Forward Relays
... LMMSE channel estimation method for OFDM-based cooperative diversity systems with multiple AF relays over frequency-selective block-fading ...the channel correlation matrix and then introduce an ...
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Low-Complexity Geometry-Based MIMO Channel Simulation
... Since October 2003, Thomas Zemen has been with the Telecom- munications Research Center, Vienna, working as a Researcher in the strategic I0 project. His research interests include orthog- onal frequency division ...
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A Review of complexity method for wireless Channel Estimation using a BEM
... Our channel estimation method differs in its ability to estimate fast time-varying wireless channel since pilot tones are inserted into each OFDM block, and in its explicit relation with ...
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Evaluation of Low Complexity Massive MIMO Techniques Under Realistic Channel Conditions
... Abstract—A low complexity massive multiple-input multiple- output (MIMO) technique is studied with a geometry-based stochastic channel model, called COST 2100 ...the channel covariance matrix ...
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Performance and Complexity Comparison of Channel Estimation Algorithms for OFDM System
... for channel estimation using pilot-assisted ...Square Estimation (LSE) and the other one is Linear Minimum Mean Square Estimation ...less complexity as there is no need of any ...
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Iterative receivers with channel estimation for multi user MIMO OFDM: complexity and performance
... The low-complexity algorithms showed similar BER performance as the more complex ones, when con- verging, but at a generally slower convergence ...taking complexity into account, we demonstrate that ...
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Low Complexity FBMC OQAM Method for Double Selective Channel
... and low-latency ...example, channel estimation [5] or Multiple-Input and Multiple-Output (MIMO) ...on channel information at the transmitter or [8] which requires high computational ...
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Low complexity WLMMSE channel estimator for MB OFDM UWB systems
... (MMSE) channel estimation scheme have been proposed for multiband orthogonal frequency division multiplexing ultra-wideband (MB-OFDM UWB) systems dealing with non-circular ...WLMMSE channel ...
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A Low Complexity KL Expansion Based Channel Estimator for OFDM Systems
... to channel memory, fading multipath channel still introduces random attenuations on each ...corresponding channel frequency re- sponse, does not assure symbol recovery if the channel has nulls ...
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Performance and Complexity Improvement of Training Based Channel Estimation in MIMO Systems
... a low-complexity maximum-likelihood decoding approach based on matrix factorization for signal detection in MIMO ...the complexity of the MIMO detection algorithm. A reduced complexity ...
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Low complexity a posteriori probability approximation in EM based channel estimation for trellis coded systems
... accurate channel esti- ...tional complexity and memory requirement point of view, it is advantageous to compute the trellis-coded symbol APPs in the EM algorithm by means of the new algorithm A2 (that ...
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A low complexity iterative channel estimation and equalisation scheme for (data-dependent) superimposed training
... present a similar way of alleviating — but not fully cancelling as DDST achieves— the effects of the information data noise in ST. This is done in an iterative manner, where the equalised symbols obtained through ...
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Reducing the Leakage in OFDM Systems by Using Low Complexity DFT- Based Channel Estimation
... II.PROPOSEDOFDM CHANNEL ESTIMATIONA Wavelet based OFDM system with beam former and MIMO configuration is explained in this section. Figure1 shows the transmitter and receiver part respectively with k=8 number of ...
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Complexity Reduction Techniques for MMSE Channel Estimator in OFDM
... the channel estimation technique. Efficient channel estimation has a direct impact on the bit error rate (BER) performance of the OFDM ...designing channel estimators for wireless ...
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CHANNEL ESTIMATION FOR OFDM SYSTEMS WITH TRANSMITTER DIVERSITY
... a low complexity LMMSE channel estimation algorithm is eval- uated that reduces the computational complexity of the optimal LMMSE processor by 50% ...of channel delay spreads and ...
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Low Complexity Blind Symbol Timing Offset Estimation in OFDM Systems
... average estimation results over multiple received frames; and an MLE in ...computational complexity is only ...acceptable estimation per- formance and thus can provide a coarse initial search under ...
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