time-varying fading channels
Antenna Controller for Low-Latency and High Reliability Robotic Communications over Time-Varying Fading Channels
... is time-variant, we could try to com- pensate for the small-scale fading by using classical temporal diversity techniques [10], ...coherence- time is in general larger than the duration of the UDP ...
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Performance Analysis of an Adaptive Incremental Cooperative Relaying Scheme for Wireless Relay Networks
... over fading channels by exploiting relay nodes to retransmit the source data packet to the ...over time-varying fading channels, this paper proposes an adaptive incremental ...
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New Multiple Antennas Method based Energy Detector for Cognitive Radio over Fading Channels
... Nakagami- fading channels with asingle antenna, under ...[12], fading channels can be roughly divided into two types: (1) Large-scale fading due to (a) Path loss and (b) Shadowing, both ...
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Asynchronous device detection for cognitive device to device communications
... in time-varying fading ...dynamical fading channels when directly detecting the existence of a proximity D2D device ...the fading channel is governed by a discrete state Markov ...
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A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels
... Rayleigh fading and ITU channel models defined in the IEEE ...Rayleigh fading channel model and ITU channel model for vehicular test environments with 6 path ...
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Optimal Training for Time-Selective Wireless Fading Channels Using Cutoff Rate
... the fading channel state imposes lim- its on the achievable performance as measured by, for exam- ple, the mutual information, the bit-error rate (BER), or the minimum mean-square error ...rapidly varying ...
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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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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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Identification of LOS in Time Varying, Frequency Selective Radio Channels
... that fading channel amplitudes of narrowband systems exhibit Ricean distribution under LOS transmission, the comparison of the theoretical distribution with the observed one gives an idea about LOS/NLOS status of ...
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Space Time Water Filling for Composite MIMO Fading Channels
... narrowband channels, when channel state in- formation is available at the transmitter and instantaneous adaptation is possible, the capacity achieving distribution is found by using the well-known water-filling ...
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Minimization Of Inter Carrier Interference Using Iterative Technique for Mimo-Ofdm
... multipath fading channels the time period of an OFDM block is not ...in time-varying multipath ...to channels with ICI and no ...
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A Receiver Structure for Frequency Flat Time Varying Rayleigh Channels and Performance Analysis
... frequency-flat time-varying Rayleigh channels, consisting of two parts: a front-end stage and a Maximum A-Post- eriori (MAP) ...continuous time signal is an es- sential function of the ...
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... Rayleigh fading channels, and on time-varying frequency-selective Rayleigh fading channels using rectangular M-QAM and OFDM systems ...
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Stochastic Power Control for Time-Varying Long-Term Fading Wireless Networks
... use time-invariant (static) models for the wireless channels. In time-invariant models, channel parameters are random but do not depend on time, and remain constant throughout the observation ...
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Guaranteed Performance Region in Fading Orthogonal Space Time Coded Broadcast Channels
... In [7], the capacity region with minimal rate require- ments of the fading BC is studied. A certain part of the long-term transmit power is used to fulfill the minimum rate requirements, while the remaining part ...
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Space Time Trellis Coded 8PSK Schemes for Rapid Rayleigh Fading Channels
... in time and space. The concept of space-time (ST) codes had appeared first in [3], referred to as the delay diversity system, where dif- ferent symbols are simultaneously transmitted via di ff er- ent ...
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Multiple Symbol Decision Feedback Space Time Differential Decoding in Fading Channels
... same as before. In the simulations, the fading processes vary from one OFDM symbol to another. Figures 9, 10, and 11 show the BER performance of the decision-feedback space-time decoding method in OFDM ...
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Optimizing time and space MIMO antenna system for frequency selective fading channels
... selective fading channels is slightly better than that in flat fading and this is because path diversity is obtained by the inherent space–time equalization of ...
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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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Single Carrier Space Time Trellis and Space Time Block Coding for Dispersive Rayleigh Fading Channels
... wireless channels are neither high- ly time selective nor significantly frequency ...narrowband fading channels. When encountering wideband channels, multi-carrier Code Division Multiple ...
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