Time Varying Channels
New Wavelet Based Performance Analysis and Optimization of Scalable Joint Source/Channel Coder (SJSCC & SJSCCN) for Time Varying Channels
... inherently time varying and subject to Rayleigh fading ...over time varying channels with two Channel State Information (CSI) and three bit rates ( 1, ½ and ¼) for the transmission of ...
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A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels
... This paper proposes an advanced receiver with ICI self cancellation, Kalman channel estimation and equalization for MIMO-OFDM systems in time-varying channels. ICI self cancellation is an efficient ...
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Multi segmental OFDM signals equalization with piecewise linear channel model over rapidly time varying channels
... rapidly time-varying channels, the performance of (orthogonal frequency division multiplexing) OFDM systems with the conventional one tap equalizer will be significantly ...the time variations ...
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RD Optimized, Adaptive, Error-Resilient Transmission of MJPEG2000-Coded Video over Multiple Time-Varying Channels
... Figure 3 shows the block diagram of the system used in this paper. The raw frame data (only the Y-component of the YUV sequence was utilized) is fed into the source coding block. Here, the raw frame is encoded at a ...
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A robust ICI suppression based on an adaptive equalizer for very fast time varying channels in LTE R systems
... Other studies have been developed using either filter in frequency domain or windowing function in the time domain [10, 11]. The main purpose of filter is to reduce the amplitude of side lobes, which leads to the ...
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Securing OFDM over Wireless Time Varying Channels Using Subcarrier Overloading with Joint Signal Constellations
... A method of overloading subcarriers by multiple transmitters to secure OFDM in wireless time-varying channels is proposed and analyzed. The method is based on reverse piloting, superposition ...
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Estimation of Critical Performance and Optimization of Scalable Joint Source/Channel Coder (SJSCC) For Time Varying Channels
... Systems need heterogeneous design and development of Joint/Source channel coding for “time-Varying” channels Viz. wireless mobile communication and internet access. The performance improvement for ...
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Single carrier fractional Fourier domain equalization system with zero padding for fast time varying channels
... fast time-varying channel. It can solve the time-varying problem by selecting the optimal fractional Fourier transform ...fast time-varying ...
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Identifying time-varying channels with aid of pilots for MIMO-OFDM
... the time domain with a parsimonious model, ...fit time-varying channels much tighter than its variant, the critically sampled complex exponential BEM [(C)CE-BEM] [3,4], and it has a steady ...
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Importance sampling methodologies for simulation of communication systems with time-varying channels and adaptive equalizers
... In addition to the TS technique, we also present a statistically biased, but simpler tech- nique for using IS with adaptive equalizers which is based on the independence assumption betwe[r] ...
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Robust Adaptive OFDM with Diversity for Time Varying Channels
... In this paper, we propose a robust adaptive modulation scheme for OFDM with transmit and/or receive diversity. The scheme is based on the idea of using outdated estimates of the channel, as suggested in [12, 21], to ...
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A novel scheduling scheme for finite buffer service in time-varying channels
... Organizing Structure Sponsors IEEE Beijing Section The Chinese Institute of Electronics China Institute of Communications Chinese Association Artificial Intelligence Beijing University o[r] ...
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LTE modeling for low complexity Time Varying channels in MIMO-OFDM
... data rate. Spectrum efficiency and flexible utilization of spectrum is highly required today for different wireless communication related applications. In multicarrier communication the main idea is to divide the data ...
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EFFECT OF FATIGUE ON SSVEP DURING VIRTUAL WHEELCHAIR NAVIGATION
... In this work we propose an algorithm based on Differential Evolution algorithm for OFDM pilot design optimization. It is specifically tailored to suboptimum pilot arrangements over time varying ...
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Model-based approach to reliable information transfer over time-varying communication channels
... over time-correlated, time-varying channels needs further consid ...the time correlation of the time-varying channel ...physical channels [21], mu tual ...
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Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels
... over time- and frequency-selective, so-called doubly selective, channels requires an accurate description of the time-varying be- haviour of the transmission ...linear ...
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Pilot Placement for Time Varying MIMO OFDM Channels with Virtual Subcarriers
... in time-varying ...to time variations must be decreased in high delay envi- ...linearly time-varying ...linearly time- varying channel are based on complex exponential ...
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Spectrally Efficient Communication over Time-Varying Frequency-Selective Mobile Channels: Variable-Size Burst Construction and Adaptive Modulation
... using time-varying FIR equalization ...rapidly varying channel to be treated as an equivalent slow fading ...of time-varying channels ...
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Time Varying Quantile Lasso
... The least absolute shrinkage and selection operator (Lasso) method as proposed by Tibshi- rani (1996) has been widely used and extended during recent years. The literature presents a method which simultaneously completes ...
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Time varying dimension models
... Next let us compare our three di¤erent TVD models. Broadly speaking, they are yielding similar results. However, our …rst TVD model is sometimes a bit di¤erent from the other two. It exhibits less time variation ...
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