flat fading wireless channels
A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels
... a wireless channel is the random variation of its transfer function, known as fading ...over fading channels in which the received signals from different paths are combined so as to maximize ...
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Blind spectrum sensing for cognitive radio over time variant multipath flat fading channels
... complex wireless environmental condition such as communication systems with time-variant multipath flat-fading ...multipath flat-fading channel ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... has served on numerous technical committees for the IEEE and SPIE and has been invited to lecture at universities in the United States and overseas. He is the Area Editor of special issues of the Signal Processing ...
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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- ...802.11 wireless networks, where less powerful convolutional codes ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... has served on numerous technical committees for the IEEE and SPIE and has been invited to lecture at universities in the United States and overseas. He is the Area Editor of special issues of the Signal Processing ...
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Fading Characteristics over Wireless Channels
... small-scale fading leads to four distinct effects, as shown in Fig. 1. Fading effects due to multipath time delay spread leads to “time dispersion” and “frequency selective fading” whereas Doppler ...
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Dual Tree Wavelet based OFDM: A Performance Calculation of Bit Error Rate
... digital wireless communications, have increased demands for wireless systems with high efficiency ...(AWGN) channels, flat fading channels (FFC), and multi-path selective ...
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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... -selective channels depends greatly on the eigenvalue distribution of spatial cor- relation ...MIMO wireless systems where because of the fast changing nature of the underlying channel, full channel ...
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Global Journal of Advance Engineering Technologies and Sciences ANALYSIS OF IMAGE COMPRESSION USING HAAR AND DB-2 WAVELET WITH MEDIAN FILTER Deepak Prajapat 1, Prof. Mahesh Goud2
... of wireless channels model Flat fading channel with QPSK modulation techniques and compared their effect, focus on decrease ...for Flat fading of QPSK in Haar with median filter ...
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Cooperative Communications over Flat Fading Channels with Carrier Offsets: A Double-Differential Modulation Approach
... Cooperative communications has several promising features to become a main technology in future wireless communica- tions systems. It has been shown in the literature [1, 2] that the cooperative communication can ...
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Joint Adaptive Modulation and Adaptive MAC Protocols for Wireless Sensor Networks
... to wireless sensor networks (WSN) to optimize Network ...over flat-fading channels, with data rate and transmit power being varied according to channel conditions with two variants: Adaptive ...
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Performance Analysis of Space Time Block Codes in Flat Fading MIMO Channels with Offsets
... Use of space-time codes with multiple transmit antennas has generated a lot of interest for increasing spectral efficiency as well as improved performance in wireless communications. Although, the literature on ...
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Web Applications Testing using White Box Method
... a wireless communication simulator including Gray coding, modulation, different channel models (AWGN, flat fading and frequency selective fading channels), channel estimation, adaptive ...
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Implementation of Transmit Diversity Schemes
... multiple flat fading channels can be obtained by performing orthogonal frequency division multiplexing (OFDM) on frequency selective fading ...In wireless communication systems ...
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International Journal of Emerging Technology and Advanced Engineering
... PSK relies on carrier changing between distinct phases of the signal to define the status of information being transmitted. PSK default is considered for binary (two) levels of phase modulations. PSK is considered a very ...
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Framework for Random Power Allocation of Wireless Sensor Networks in Fading Channels
... In this paper we assume multiuser environment with broad- casting devices (sensor nodes) randomly distributed in certain region. We refer to the transmitters as terminals and sometimes as sensors. All terminals send ...
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Performance Evaluation of Two-Hop Wireless Link under Rayleigh and Nakagami-m Fading Channel for 8-PSK and 16-QAM
... multipath fading, the distribution follows Ricean probability density function (PDF) instead of Rayleigh ...multi-hop wireless link applicable in ad-hoc network under fading environment ...Nakagami-m ...
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Wireless energy harvesting using signals from multiple fading channels
... multiple wireless signals experiencing either Rician fading or Gamma-shadowed Rician ...Rayleigh fading channels, the optimal power strategy is to put the total power in the source with the ...
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A Secure Method for Transmission of Sensitive Data over Wireless Fading Channels
... The delay limited transmission of secure data over fading channels was considered previously in [8]. In this work, the authors attempted to send the secure information using binning techniques inspired by ...
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A Study on Communication Channel Estimation for Emergency Networks in Underground Mining Environment
... multi-path fading phenomenon is called Rayleigh fading. Rayleigh fading gain distributions on different frequency bands may be mutually independent as long as the both frequencies are sufficiently ...
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