[PDF] Top 20 Frequency estimation in multipath rayleigh-sparse-fading channels
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Frequency estimation in multipath rayleigh-sparse-fading channels
... data-aided frequency estimation in multipath Rayleigh-fading channels with sparse impulse responses is ...the fading of different path amplitudes are independent ... See full document
11
Performance comparison of multiuser detectors with channel estimation for flat Rayleigh fading CDMA channels
... Code Division Multiple Access (CDMA) is a promising technique for mobile communication systems. The major advantage of CDMA compared with Frequency Division Multiple Access (FDMA) and Time Division Multiple Access ... See full document
28
Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels
... provides frequency diversity and it reduces the multipath fading and interference [1], ...and multipath interference, less stringent power ...carrier frequency in a particular time ... See full document
6
Bit Error Performance for Asynchronous Ds Cdma Systems Over Multipath Rayleigh Fading Channels (RESEARCH NOTE)
... In recent years, there has been considerable interest in the use of CDMA as an alternative to traditional frequency–division multiple − access (FDMA) and time–division multiple–access (TDMA) techniques in mobile ... See full document
6
Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping
... slow frequency hopping, and choose Rayleigh fading channel and Rice fading channel for ...flat fading and frequency selective fading are used in Rayleigh ... See full document
9
Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels
... A Multiple Input Multiple Output (MIMO) communica- tion system uses multiple antennas at the transmitter and receiver to achieve numerous advantages. Traditionally, antenna arrays have been used at the transmitter and ... See full document
7
An Adaptive Channel Estimation Algorithm Using Time Frequency Polynomial Model for OFDM with Fading Multipath Channels
... by multipath ef- fect of wireless channels is an essential ...sub- channels by dividing the transmit data into several paral- lel low bit rate data streams to modulate the carriers cor- responding to ... See full document
13
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... over Rayleigh fading ...flat Rayleigh fading channels, and on time-varying frequency-selective Rayleigh fading channels using rectangular M-QAM and OFDM ... See full document
10
MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS
... particular fading model remains a ...combat multipath fading in both Rayleigh and Rician channels is the focus of this ...fast fading and not adequate to combat frequency ... See full document
12
An Improved Channel Estimation Algorithm Based on Cubic Convolution Interpolation for LOWPM System
... Doppler frequency shift existing in multipath Rayleigh fading channel, cubic convolution interpolation based LMMSE channel estimation algorithm is put forward in this ... See full document
8
A Comparative Study between Multipath Fading Channels
... radio frequency (RF) ...channel, Rayleigh Fading channel, Rician Fading channel ...term Rayleigh fading channel refers to a multiplicative distortion h(t) of the transmitted ... See full document
6
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 ... See full document
6
WCDMA uplink under Rayleigh fading channels is
... of multipath components, their location (in the time domain), and their (complex-valued) attenuation facilitates implementation of several advanced receiving techniques that help increase the signal to ... See full document
8
Constant Envelope DCT- and FFT- based Multicarrier Systems
... of multipath fading channels is considered in several recent ...a frequency-selective channel for diagonalization using DCT into parallel, decoupled, and memoryless subchannels are derived in ... See full document
191
Slow Frequency Hopping Multicarrier DS CDMA for Transmission over Nakagami Multipath Fading Channels
... a multipath fading environment, and a maximum ratio combining (MRC) assisted RAKE receiver is ...Nakagami- multipath fading channels, which closely model various multipath ... See full document
11
Channel length assisted symbol synchronization for OFDM systems in multipath fading channels
... in multipath channels, utilizing a correlation length that equals the summation of the channel and CP ...in multipath channels, an approach in that work [13] may require many symbols to obtain ... See full document
11
1. A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels
... orthogonal frequency division multiplexing (OFDM) systems [1], a frequency selective (FS) channel is commuted into an accumulation of flat fading channels, which can be indemnified by simply ... See full document
7
Performance of compressive sensing algorithms over time varying frequency selective channel
... varying frequency selective channel. Orthogonal Frequency Division Multiplexing (OFDM) be combined with Multiple Input Multiple Output (MIMO) system to increases the system capacity on time varying ... See full document
6
Study of Methods to Mitigate Fading in Mobile Communication
... to multipath fades due to a large number of scaterers and ...or frequency, result in severe degradation of the quality of signals at the receiver making it impossible to detect and ...such channels, ... See full document
5
Multiuser diversity in correlated Rayleigh fading channels
... multiuser Rayleigh- fading channels when there is correlation between the users fading ...to channels dependencies is ignorable in low correlation conditions, the effect of scheduling ... See full document
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