high efficiency channel estimation
Performance comparison of Different Pilot Aided Channel Estimation Techniques for OFDM IEEE 802 11e (Mobile Wimax) Systems
... the high bit rates required for a wireless multimedia ...different channel estimation algorithms for OFDM mobile communication systems based on the use of pilot ...iterative channel ...
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Channel Estimation with Improved OFDM
... has high spectral efficiency transmission ...its high transmission rate and high bandwidth ...The channel response might change during an OFDM symbol period in a high-mobility ...
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Analysis of Adaptive Semiblind Channel Estimation Scheme with Missed Data Channel Estimation Schemes in MIMO Antenna system
... provide high capacity with less bandwidth ...some channel estimation techniques have been tried to implement with the adaptive semiblind channel estimation scheme using less requirement ...
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Structured Compressed Sensing for Channel Estimation under High Speed Mobile Environment
... for high spectral efficiency and high performance has led to the development of fourth-generation (4G) broadband wireless ...systems, Channel estimation is the key ...
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Joint Channel Estimation Based On Compressive Sensing For Multi-User Massive Mimo-Ofdm Systems
... sparse channel estimation as it can recovery the original channel frequency domain response with high probability, but it may also cause the large pilot overhead with the increase of the ...
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Simplified Channel Tracking for Single and Multicarrier VBLAST
... a channel coherence time of approximately 162s ...for channel estimation, the short coherence time means a small number of symbols can be transmitted between two training periods thus reducing the ...
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GWO Based Optimal Channel Estimation Technique for Large Scale Mimo in LTE Network
... For High Data ...Very High Data Rates In Downlink And Uplink ...Spectral Efficiency Begins To ...Communication Channel. Also, The Spectral Efficiency And Data Capacity Are Enhanced ...
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An efficient pilot carrier channel estimation using Genetic Algorithm in MIMO OFDM system
... transmit high speed multimedia information. The OFDM technique carries high data rate information by multiplexing numerous parallel low rate data streams with orthogonal ...has high spectral ...
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Compressive Sensing Based Channel Estimation for High-order MIMO Systems
... The estimation MSE performance comparison between the conventional NBEAP and the proposed NBEFAP scheme is given in ...better estimation MSE performance even when its pilot length (L=30) is shorter than ...
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Study on communication channel estimation by improved SOMP based on distributed compressed sensing
... BP channel estimation algorithm can reach lower bit error rate, which is far less than that of LS channel estimation ...CS-based channel estimation studies in 2010 and 2011, ...
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A Survey on Channel Estimation for OFDM-IDMA Receivers Systems
... the high SNR and for slowly varying ...both channel estimation and prediction errors in adaptive modulation in order to meet a target BER are ...
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IMPLEMENTATION OF OFDM AND CHANNEL ESTIMATION USING LS AND MMSE ESTIMATOR
... Orthogonal Frequency Division Multiplexing (OFDM) is most commonly employed in wireless communication systems because of the high rate of data transmission potential with efficiency for high ...
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Assisted Channel Estimation with Dynamic Allocation Pilot Subcarriers for OFDM Communications
... The channel estimation is a fundamental step in a trans- mission system whose performances are directly related to the severity of this step in the reception ...The estimation quality is highly ...
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An improved method of mimo ofdm channel estimation using chaotic pilot sequence
... spectral efficiency and reliability are necessary for future wireless communication ...of high rate transmission and its robustness against multi-path fading and other channel impairments with the ...
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Performance of compressive sensing algorithms over time varying frequency selective channel
... mobility channel with at higher bit rates. The high degree of variation among these channels creates difficulty in estimation of the channel ...statistics. Channel gain of each path is ...
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BER Performance of NLMS Adaptive Channel Estimation Technique for MIMO-OFDM Systems
... complexity, high peak-to-average power ratio (PAPR), antennas design, equalization, channel estimation and so ...a high envelope fluctuation require highly linear power amplifiers to evade ...
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Kalman interpolation filter for channel estimation of LTE downlink in high mobility environments
... the channel from the received pilot and data ...whole channel response for each OFDM symbol given the observations at the pilot ...Pilot-symbol-aided channel estima- tion has been studied [2-4] and ...
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EXPERIMENT NO 3
... as high data rate (HDR) to improve spectral efficiency for data services such as shared downlink packet data channel and high peak data rates using high-order modulation and adaptive ...
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Diamond Search Improvement For Motion Estimation In High Efficiency Video Coding
... The full-search method of motion estimation is a method of comparing the reference block with all the blocks within the predetermined search range. The full search procedure uses a 64✕64 block to compare all ...
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Title: 802.11a Synchronizer Performance Analysis (Simulation)
... band channel equalization, baseband equalization, and vector coding/structured channel signaling and combination of these ...the high peak-to-average ratio of ...
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