multipath fading channels equalization
MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS
... Multipath fading occurs in any propagation environment with the possibility of transmitted signal taking several paths and/or with relative motion among the receiver and the ...mitigating fading ...
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Minimization Of Inter Carrier Interference Using Iterative Technique for Mimo-Ofdm
... in multipath fading channels the time period of an OFDM block is not ...to channels with ICI and no ...forcing equalization algorithm which is the algorithm used presently in the ...
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Low Complexity MLSE Equalization in Highly Dispersive Rayleigh Fading Channels
... sparse channels and it is shown that its performance in sparse channels is superior to its performance in equivalent dense, or nonsparse, channels, (equivalent dense channels will be explained ...
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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels
... of channels to be used will be reduced ...with multipath fading without the use of complex equalization ...propagation channels. Some of the fading channels such as Rician ...
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Minimum Probability of Error Based Equalization Algorithms for Fading Channels
... Novel channel equalizer algorithms are introduced for wireless communication systems to combat channel distortions resulting from multipath propagation. The novel algorithms are based on newly derived bounds on ...
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Frequency estimation in multipath rayleigh-sparse-fading channels
... and fading. In mobile channels, multipath components ex- perience different Doppler offsets; however, if the mobile speed and the carrier frequency are relatively low, the frequency offset is mainly ...
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A Low Complexity Approach to Space Time Coding for Multipath Fading Channels
... decision-feedback equalization (DFE) and de- coding (notice that sequence detection for TR-STBC with- out outer coding has been considered in [16, ...joint equalization and decoding scheme works on the ...
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Approximate Minimum Bit Error Rate Equalization for Fading Channels
... new equalization algorithm yields better performance than the traditional zero forcing (ZF) or minimum mean square error (MMSE) ...channel equalization and maintaining a relatively low bit error probability ...
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Channel length assisted symbol synchronization for OFDM systems in multipath fading channels
... Figure 6 plots the bit error rate (BER) of the proposed estimator and the ML estimator [5], as a function of SNR in multipath fading channels. To focus on synchro- nization, the channel frequency ...
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A Comparative Study between Multipath Fading Channels
... Rayleigh Fading channel, Rician Fading channel ...Rayleigh fading channel refers to a multiplicative distortion h(t) of the transmitted signal s(t), as in y(t) = h(t)·s(t)+ n(t), where y(t) is the ...
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Adaptive constrained CM based multicarrier CDMA receivers in multipath fading channels
... Alternatively, a reduced-tap receiver (TRTap) is proposed on the basis of the derived cyclically shifting matrix. According to the derived matrix representation of the received signal, the analytical steady-state mean ...
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Constant Envelope DCT- and FFT- based Multicarrier Systems
... Discrete Cosine Transform (DCT)- and Fast Fourier Transform (FFT)- based Orthogonal Frequency Division Multiplexing (OFDM) systems with a variety of angle modulations are considered for data transmission. These ...
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A Secure Chaos-Based Communication Scheme in Multipath Fading Channels Using Particle Filtering
... in multipath fading channels is presented, where the chaotic synchronization is implemented by particle filter ...and multipath fading channels condition, causes this idea act as ...
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STUDY OF VARIOUS MULTIPATH CHANNELS& SMALL-SCALE FADING& ITS PERFORMAMCE IN WIRELESS COMMUNICATION
... In this Research, we exhibit a time-frequency point of view of wireless communications after some time-varying multipath channels. Our discourse is principal with regards to code-division multiple access ...
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Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping
... Frequency hopping communication realizes communication by changing the carrier frequency determined by the sender and the receiver and carries the frequency hopping of signal messages in a wide frequency band against ...
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Adaptive relay techniques for OFDM-based cooperative communication systems
... accumulated multipath fading channels, the relay selection schemes only based on the channel gain or signal-to-noise ratio (SNR) cannot achieve high transmission efficiency without considering the ...
184
2 The wireless channel
... With a limit on the transmit power (either at the base-station or at the mobile), the largest distance between the base-station and a mobile at which communication can reliably take place is called the coverage of the ...
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CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels
... Wireless code-division multiple-access (CDMA) cellular downlink communications with transmit antenna arrays in multipath fading channels is studied. Various array signal processing techniques at the ...
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Performance of Wideband CDMA Using Space Time Spreading over Multipath Nakagami Fading Channels
... Abstract— In this contribution the performance of wideband code-division multiple-access (W-CDMA) systems using space- time spreading (STS) based transmit diversity is investigated, when frequency-selective Nakagami- m ...
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How Equalization Techniques Affect the TCP Performance of MC CDMA Systems in Correlated Fading Channels
... the equalization techniques are essentially investigated at the physical level (typically on the BER), without considering the upper levels ...level equalization techniques on the throughput would directly ...
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