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Simulations for Time-varying Channels

On distributed scheduling for wireless networks with time-varying channels

On distributed scheduling for wireless networks with time-varying channels

... run time of algorithm for network sizes with 5, 10, 15 and 20 links are 4, 110, 3900 and 81400 ms ...the time taken roughly grows exponen- tially with the number of links in the ...

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Robust Adaptive OFDM with Diversity for Time Varying Channels

Robust Adaptive OFDM with Diversity for Time Varying Channels

... a time- varying channel is investigated, and the proposed robust scheme is ...with simulations that multiple outdated channel estimates and transmit/receive diversity significantly reduce the degra- ...

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A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels

A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels

... Abstract: This paper proposes an advanced receiver with joint inter-carrier interference (ICI) self cancellation and channel equalization for multiple-input multiple-output orthogonal frequency division multiplexing ...

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MIMO underwater acoustic communications over time-varying channels: from theory to practice

MIMO underwater acoustic communications over time-varying channels: from theory to practice

... sub- channels (320 Hz band for each sub-channel plus 48 Hz guard bands) with a maximum power per node of 1 ...coherence time is 1 second and that is the frame length and the slot time for sensing is ...

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Throughput optimal random medium access control for relay networks with time-varying channels

Throughput optimal random medium access control for relay networks with time-varying channels

... most prior works in the literature ignore the network stability and do not investigate throughput optimality. C. Main results and organization In this work, we take both channel state and queue length information into ...

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Differential Semi Blind Beamspace-Time Interference Cancellation for DS WCDMA Systems in Frequency Selective Time-Varying Channels

Differential Semi Blind Beamspace-Time Interference Cancellation for DS WCDMA Systems in Frequency Selective Time-Varying Channels

... a time invariant frequency selective channel whose channel coefficients for each frame are Rayleigh ...a time variant frequency selective channel, whose channel coefficients for each sample are obtained by ...

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Estimation of Critical Performance and Optimization of Scalable Joint Source/Channel Coder (SJSCC) For Time Varying Channels

Estimation of Critical Performance and Optimization of Scalable Joint Source/Channel Coder (SJSCC) For Time Varying Channels

... VI. CONCLUSIONS. We have modeled the Scalable Joint Source/Channel Coder (SJSCC) for wireless channels and extensive simulations are carried out for various channel states and bit rate. The results obtained ...

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A Frequency-Domain Band-MMSE Equalizer for Continuous Phase Modulation over Frequency-Selective Time-Varying Channels

A Frequency-Domain Band-MMSE Equalizer for Continuous Phase Modulation over Frequency-Selective Time-Varying Channels

... Simulations show that this band-MMSE equalizer exhibits a good performance complexity trade-off compared to existing solutions. I. I NTRODUCTION Continuous Phase Modulations (CPM) are widely known for their good ...

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Stochastic power control for time-varying longterm fading wireless channels

Stochastic power control for time-varying longterm fading wireless channels

... The outage probability is computed using Monte-Carlo simulations. The outage probability graphs of this example for both the PC and NPC cases are shown in Fig. 4a and 4b respectively. Fig. 4 shows how the outage ...

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A Receiver Structure for Frequency Flat Time Varying Rayleigh Channels and  Performance Analysis

A Receiver Structure for Frequency Flat Time Varying Rayleigh Channels and Performance Analysis

... Computer Simulations Computer simulations in this paper employ the Monte-Carlo method and are imple- mented in the C ...schemes: Time-Orthogonal modulation, MSK, and Orthogonal ...continuous ...

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Time-Varying FIR Equalization for MIMO Transmission over Doubly Selective Channels

Time-Varying FIR Equalization for MIMO Transmission over Doubly Selective Channels

... propose time-varying FIR equalization techniques for spatial multiplexing-based multiple-input multiple-output (MIMO) transmission over doubly selective ...of time-varying FIR filters designed ...

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Reduced Order Estimation of Time Varying Wireless Channels in Real Life Scattering Environment

Reduced Order Estimation of Time Varying Wireless Channels in Real Life Scattering Environment

... Then we model a real-life scenario from one of the intersections in city of London, ON. Reciprocally to the previous section, first we run some general simulations with use of MDPSS channel model to validate the ...

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Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels

Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels

... the time-domain representation of the min- imal norm LTV-ZF equalizer is introduced, and the math- ematical conditions assuring its existence are ...Carlo simulations, aimed at assessing the performances of ...

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An 802.11p Cross-Layered Pilot Scheme for Time- and Frequency-Varying Channels and Its Hardware Implementation

An 802.11p Cross-Layered Pilot Scheme for Time- and Frequency-Varying Channels and Its Hardware Implementation

... have varying precisions and hence the performance of the algorithms suffers from varying quantization ...computer simulations and compared with the measurements for ...

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Power line communications over time-varying frequency-selective power line channels for Smart Home Applications

Power line communications over time-varying frequency-selective power line channels for Smart Home Applications

... over time-varying power line ...over time-varying power line ...criterion. Simulations have proved that this criterion outperforms the other two criteria because it provides the highest ...

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Power line communications over time-varying frequency-selective power line channels for smart home applications

Power line communications over time-varying frequency-selective power line channels for smart home applications

... over time-varying power line ...over time-varying power line ...criterion. Simulations have proved that this criterion outperforms the other two criteria because it provides the highest ...

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On Discrete-Time Modeling of Time-Varying WSSUS Fading Channels

On Discrete-Time Modeling of Time-Varying WSSUS Fading Channels

... Since the scattering function of the discrete-time chan- nel h[k, 1] is approximately separable if the physical channel g(t, 7) is only slowly time-varying, every path h[k, ] of the disc[r] ...

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Identification of LOS in Time Varying, Frequency Selective Radio Channels

Identification of LOS in Time Varying, Frequency Selective Radio Channels

... Peculiar to LOS scenarios, first bin includes the LOS component beside some other paths which form the di ff used component defined in (3b). Therefore, in LOS scenarios, h 0 corresponds to the tap (k = 0) that contains ...

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Identifying time-varying channels with aid of pilots for MIMO-OFDM

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

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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