Rayleigh flat-fading channels
Performance analysis of relay selection in cooperative networks over Rayleigh flat fading channels
... In [17], Ikki and Ahmed investigated the kth ordered best relay and proved that the diversity order increases with the number of relays and decreases linearly with the order of the relay, i.e., the best ordered relay is ...
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A novel Chaotic Collaborative CDMA scheme under Rayleigh fading
... The mathematical model of a 2XM1-CCCDMA scheme is described under Rayleigh flat fading channels and compared to high capacity grouped-CDMA schemes. The proposed scheme demonstrates acceptable ...
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Performance comparison of multiuser detectors with channel estimation for flat Rayleigh fading CDMA channels
... CDMA 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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A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels
... work, Rayleigh flat fading channels are considered, and simulations are performed for 200,000 random channel ...each Rayleigh channel is equivalent to two Gaussian channels, our ...
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Accurate BER of MC DS CDMA over Rayleigh Fading Channels
... We studied the accurate BER calculation of an asynchronous MC-DS-CDMA system exposed to flat Rayleigh fading using random spreading sequences and BPSK modulation. Using the CF approach, we derived a ...
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Interference Aspects of Adaptive Modems over Slow Rayleigh Fading Channels
... this flat region the interference cancellation is unable to function, because the noise is corrupting the combined constellation of signal and in- ...the flat region the interference cancellation begins to ...
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Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels
... for Rayleigh flat fading Multiple Input Multiple output (MIMO) channel using various pilot ...the flat-fading MIMO channel matrix H can be decomposed as an upper triangular matrix R and ...
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Performance of an adaptive successive serial parallel CDMA cancellation scheme in flat Rayleigh fading channels
... the Rayleigh-distributed signal amplitudes is wider, and as the successive serial cancellation scheme performs better with unequal powers, it offers the lowest average probability of bit ...the ...
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Web Applications Testing using White Box Method
... (AWGN, flat fading and frequency selective fading channels), channel estimation, adaptive equalization, and ...slow Rayleigh fading channel. For frequency selective fading ...
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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 ...[12], fading channels can be roughly divided into two types: (1) Large-scale fading due to (a) Path ...
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Performance of multiuser decision-feedback detector for flat Rayleigh fading synchronous CDMA channels
... We compare the decision-feedback detector with the conventional detector and the decorrelator. The average error rate of the conventional detector is evaluated using the result for distr[r] ...
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Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping
... choose Rayleigh fading channel and Rice fading channel for ...The flat fading and frequency selective fading are used in Rayleigh fading channel ...in ...
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MIMO-OFDM System in Rayleigh Fadding Channel Maninder Singh, Dr. Hardeep Singh Saini
... or Rayleigh fading and fades are independent and identically ...frequency-selective fading channel with a large bandwidth into a number of flat fading ...
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Performance of Macrodiversity MIMO systems in Flat Rayleigh Fading
... Since the MIMO fulfilled the present day technology needs, it has become very popular these days. Communication in wireless channels always comes in pair with the multipath fading. Multipath is the arrival ...
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Bit Error Rate (BER) Analysis of Rayleigh Fad...
... of fading channel. It starts with two types of fading effects that characterize mobile communications: large-scale and small-scale ...Large-scale fading represents the average signal power ...
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Performance Evaluation of IDEA encryption model under different Fading Channels
... In Wireless Networks, numerous algorithms are used to encrypt/decrypt the message. In this paper the performance of international data encryption algorithm is checked. In proposed algorithm message is split into number ...
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Study of Methods to Mitigate Fading in Mobile Communication
... such channels, taking into account, the phenomenon of multipath fading and correlation between ...employ Rayleigh, Rice and Nakagami-m distributions to approximate actual channel conditions and are ...
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Optimization of Hierarchical Modulation for Use of Scalable Media
... Exact (in M) BER expressions for uniform M-QAM over an additive white Gaussian noise (AWGN) channel have been developed in [17, 18] based on signal-space concepts and a recursive algorithm, respectively. Exact ...
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Low Complexity MLSE Equalization in Highly Dispersive Rayleigh Fading Channels
... sparse channels compared to its performance in equivalent dense ...sparse channels is not attributed to more diversity due to extra multipath, but rather to the higher level of interconnection between the ...
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Inter Carrier Interference Analysis of OFDM Systems Communicating Over Rapidly Fading Nakagami m Channels
... historically Rayleigh fading channels have been used in the analysis of wireless communications systems, recently the Nakagami-m fading channel model has drawn considerable attention [7] since ...
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