flat fading channels
A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels
... channel fading in wireless communication ...Rayleigh flat fading channels based on Hammerstein type ...over fading channels in presence of ...
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Blind spectrum sensing for cognitive radio over time variant multipath flat fading channels
... multipath flat-fading channels with memory are very common in wireless communication systems, es- pecially in mobile radio communication systems ...different channels are independent with each ...
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Performance analysis of relay selection in cooperative networks over Rayleigh flat fading channels
... flat fading Rayleigh channels, utilizing two-time slots using distributed space time block coding (STBC) or distributed beamforming (BF) are also investigated to exploit the channel ...
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Cooperative Communications over Flat Fading Channels with Carrier Offsets: A Double-Differential Modulation Approach
... formly distributed over [ − π,π), however, in general, there is no restriction over the probability distribution of the carrier offsets and they could have any probability distribution. We have assumed that these carrier ...
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Iterative decoding with imperfect channel estimation for wireless systems.
... In th is thesis, we propose a new iterative algorithm for tu rb o decoding w ith integrated channel estim ation for Rayleigh flat-fading channels. T h e design of th e proposed algorithm is based on ...
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Performance comparison of multiuser detectors with channel estimation for flat Rayleigh fading CDMA channels
... Rayleigh flat fading ...the flat Rayleigh fading channels, the BER of the decorrelator was derived in [11], and the BER of the DF for two users was derived in ...
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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... selective fading channels from an algebraic viewpoint and develop the corresponding linear precoding structures to maximize their ergodic ...selective fading MIMO channels, we construct ...
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Joint Adaptive Modulation and Adaptive MAC Protocols for Wireless Sensor Networks
... over flat-fading channels, with data rate and transmit power being varied according to channel conditions with two variants: Adaptive Modulation with Idle mode (AMI) and a new Adaptive Sleep with ...
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Dual Tree Wavelet based OFDM: A Performance Calculation of Bit Error Rate
... (AWGN) channels, flat fading channels (FFC), and multi-path selective fading channels (SFC) compared with traditional ...
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BER Performance of 2x2 and 4x4 Transmit Diversity MIMO in Downlink LTE
... Multi-antenna(MIMO) techniques are reported to improve the performance of radio communication systems in terms of their capacity and spectral efficiency. In combination with appropriate receiver technologies they can ...
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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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Security gap analysis of some LDPC coded transmission schemes over the flat and fast fading Gaussian wire tap channels
... the flat addi- tive white Gaussian noise (AWGN) channel and then also in the presence of fast fading ...on flat AWGN chan- ...Rayleigh fading channel [16] and to the broadcast channel with ...
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Study of Methods to Mitigate Fading in Mobile Communication
... The mobile communication channel is susceptible to multipath fades due to a large number of scaterers and reflectors. Diversity techniques are used to mitigate the effects of the multipath phenomenon. For a communication ...
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Fading Characteristics over Wireless Channels
... Multipath fading is phenomena that may cause attenuation and distortion to the transmitted ...Multipath fading, therefore, needs to be taken into consideration when designing wireless radio communication ...
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MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS
... Rayleigh fading channel than channel coding but in the case a Rician channel, channel-coding technique outperforms diversity mitigation ...excellent fading mitigation scheme refer to results of this ...
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Rayleigh Fading Multi Antenna Channels
... Large systems limits were calculated for the capacity in the case of perfect channel knowledge at the transmitter. For power levels above a certain critical threshold, this limit can be easily calculated in closed form. ...
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Capacity of MIMO systems with semicorrelated flat fading
... correlated channels have begun to appear rapidly in the literature ...spatial fading correlation [8] which may be present at either or both ends of the radio ...
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Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes
... scale fading models, and antenna diversity combining techniques and goes on to underline the importance of study of MRC diversity combining in different fading ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... In this section, the bit error rate (BER) performance of the proposed PFDs and SMDs are studied through experiments. In all the experiments, the transmitted signal was differential BPSK modulated. The number of users was ...
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International Journal of Emerging Technology and Advanced Engineering
... High data rate and strong reliability in wireless communication systems are becoming the dominant factors for a successful exploitation of commercial networks. MIMO-OFDM, a new wireless broadband technology, has gained ...
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