Time-Varying Rayleigh Channels
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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A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels
... multipath Rayleigh fading and ITU channel models defined in the IEEE ...multipath Rayleigh fading channel model and ITU channel model for vehicular test environments with 6 path ...
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New Multiple Antennas Method based Energy Detector for Cognitive Radio over Fading Channels
... over Rayleigh and Nakagami- fading channels with asingle antenna, under ...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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Reduced Order Estimation of Time Varying Wireless Channels in Real Life Scattering Environment
... of channels. For example, Rayleigh fading model is the most frequently used one due to its ...fading Rayleigh distributed channels whose autocor- relation function is Bessel function of first ...
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Model-based approach to reliable information transfer over time-varying communication channels
... model time-varying wireless communications channels [39-41], including Rayleigh fading channels [42, 43], Ricean fading channels and Nakagami fading channels ...wireless ...
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Timing and Integer Frequency Offset Estimation for DLMT System over Time Varying Rayleigh Fading Channel
... [13] H. Bolcskei, Blind Estimation of Symbol Timing and Carrier Frequency Offset in Wireless OFDM Systems, IEEE Transactions on Communications, vol. 49, no. 6, pp. 988C999, June 2001. [14] Danping Li, Yongzhao Li, Hailin ...
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WCDMA uplink under Rayleigh fading channels is
... as time distribution characteristics of the radio signal in multipath environment to enhance the link-level performance of a WCDMA mobile communication ...as time varying vector of impulse ...
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Rayleigh Fading Multi Antenna Channels
... or time vary- ing. In the time varying case, we can further distinguish between fast variations (compared to the data transmission rate), which allow us to compute average information rates, and ...
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Identification of LOS in Time Varying, Frequency Selective Radio Channels
... of time consumption and computational ...observing time must be long enough; (b) the transmissions that have relatively weaker LOS component cannot be easily distinguished from other theoretical ...
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Download Download PDF
... over Rayleigh fading ...flat Rayleigh fading channels, and on time-varying frequency-selective Rayleigh fading channels using rectangular M-QAM and OFDM systems ...
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Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels
... linear time-varying (LTV) finite-impulse response zero-forcing (ZF) equalizers for time- and frequency-selective (so-called doubly selective) single-input multiple-output (SIMO) ...rapidly ...
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On the Performance of Different Simulation Models for Rayleigh Fading Channels
... seven Rayleigh fading models in term of the computational ...the time needed to generate 106 samples of the fading process 𝑔(𝑡) on an Intel® Core™ i5 machine using routines coded in MATLAB® ...the ...
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Distributed Space Time Block Code over Mixed Rayleigh and Rician Frequency Selective Fading Channels
... first time slot, the source serially transmits two data blocks to two ...next time slot, one relay only amplifies and forwards its received signals, while the other precodes its received data blocks by a ...
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Frequency estimation in multipath rayleigh-sparse-fading channels
... Abstract—Maximum-likelihood (ML) data-aided frequency estimation in multipath Rayleigh-fading channels with sparse impulse responses is investigated. We solve this problem under the assumption that the ...
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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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Full Rate, Full Diversity Adaptive Space Time Block Coding for Transmission over Rayleigh Fading Channels
... be found between the code orthogonality and coding rate of STBC schemes employing more than two transmit antennas. Specifically, an orthogonal STBC scheme having a lower cod- ing rate was designed in [2], while a ...
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Adaptive Channel Estimation for Turbo Decoding
... decoder at the first iteration. After the first iteration, we get the extrinsic information from the turbo decoder, which could help us better understand what we have received about the transmitted data bits. In the ...
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Performance Analysis of Orthogonal Space Time Block Code over Rayleigh Fading Channels for Various Modulation Techniques
... space time block code. In case of space time block code , if there are 2 b signals in the constellation ,then at time slot one 2b bits arrive at the encoder and select two complex symbols and ...
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Code-Aided Estimation and Detection on Time-Varying Correlated Mimo Channels: A Factor Graph Approach
... parameter varying according to a discrete-time linear ...a time-varying channel [7–9]. How- ever, estimating a time-varying channel in the presence of unknown data symbols is not ...
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CONCATENATED TCM AND BCH FOR 8- PSK OVER RAYLEIGH AND AWGN CHANNEL
... In this paper, BCH and TCM concatenated system for 8PSK modulation has been proposed. Simulation results show that the proposed concatenated system provides significant bandwidth efficiency than RS-TCM. The proposed ...
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