Time-Varying Channels
A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels
... Fig. 8. BER comparison of existing methods and the proposed adaptive modified PRCC with 16QAM modulation, ε=0.25 under ITU Channel A of 100km/hr. 5. Conclusion This paper proposes an advanced receiver with ICI self ...
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A Novel Receiver Architecture for Single-Carrier Transmission over Time-Varying Channels
... over Time-Varying Channels Zijian Tang and Geert Leus Abstract—In this paper, we present a single-carrier transceiver for rapidly time-varying channels, where the equalization ...
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Throughput Optimal Scheduling Over Time-Varying Channels in the Presence of Heavy-Tailed Traffic
... Fig. 5. Under LMW scheduling, q L is light-tailed for arrival rates in the unshaded region. and can be found in [14, Theorem 9]. VI. C ONCLUSIONS We considered a system of parallel queues fed by a mix of heavy-tailed and ...
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Throughput optimal random medium access control for relay networks with time-varying channels
... the channels between the source and relay nodes to the destination node are time ...for time-varying channels, and prove that this scheme is throughput ...
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Estimation of Critical Performance and Optimization of Scalable Joint Source/Channel Coder (SJSCC) For Time Varying Channels
... inherently time varying and subject to Rayleigh fading ...over time varying channels with two Channel State Information’s (CSI) and three bit rates ( 1, ½ and ¼) for efficient ...
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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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Single carrier fractional Fourier domain equalization system with zero padding for fast time varying channels
... slow time-varying, we could use the well-known overlap-add technique as ZP to make the circulant Toeplitz matrix ...fast time-varying, this method cannot be ...fast time-varying ...
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Multi segmental OFDM signals equalization with piecewise linear channel model over rapidly time varying channels
... the channels remain con- stant during each sample duration and neither exploit real oversampling benefits as in [19], in which more sam- ples are obtained around each ...the time variations by the PLM ...
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RD Optimized, Adaptive, Error-Resilient Transmission of MJPEG2000-Coded Video over Multiple Time-Varying Channels
... Multiple time-varying channels Assume now that L channels are available for transmission of the string of T coding ...the channels of varying condition such that the ...
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A Frequency-Domain Band-MMSE Equalizer for Continuous Phase Modulation over Frequency-Selective Time-Varying Channels
... frequency-selective time-varying ...the time-invariant ...art time domain equalizers for CPM over time-varying channels at the price of a reasonable loss of performance at ...
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On distributed scheduling for wireless networks with time-varying channels
... Special token of thanks to Prof. Lei Ying, with whom I have had a very fruitful collaboration and for providing me with valuable feedback at the initial stages of this thesis work. I would like to express my gratitude to ...
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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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Identifying time-varying channels with aid of pilots for MIMO-OFDM
... Long Channels We examine now a much longer channel with length L = 15, for which the results are given in Figure ...the channels where the data are located are not estimated directly in the Block-type ...
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LTE modeling for low complexity Time Varying channels in MIMO-OFDM
... the time resolution because half of the samples are used to characterize the signal similarly frequency resolution will be doubled and this decomposition process will be repeated again for obtaining the wavelet ...
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A novel scheduling scheme for finite buffer service in time-varying channels
... Iccr is sponsored by IEEE Beijing Section, The Chinese Institute of Electronics, China Institute of Communications, Chinese Association Artificial Intelligence, Beijin[r] ...
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MIMO underwater acoustic communications over time-varying channels: from theory to practice
... thermore representing an effective trade-off between feasibility and perfor- mance, especially if compared to the other electromagnetic signals-based methods. Communication over RF channels has been extensively ...
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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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Differential Semi Blind Beamspace-Time Interference Cancellation for DS WCDMA Systems in Frequency Selective Time-Varying Channels
... BST-SBCMACI varying the number of users is compared against the performance of BST- SBCMACI-DIFF for SNR=6dB and N t ...a time invariant frequency selective ...DIFF varying the SNR for M=8 and N t ...
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A robust ICI suppression based on an adaptive equalizer for very fast time varying channels in LTE R systems
... the time domain for very fast time-varying LTE-railway channels, and then, we propose an effective and adaptive frequency-domain equalizer that can offer a tradeoff between performance and ...
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Pilot Placement for Time Varying MIMO OFDM Channels with Virtual Subcarriers
... rapid time-variation of a fading multipath environment can impair the performance of multiple-input multiple-output orthogonal frequency division multiplexing (MIMO ...under time-varying ...
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