• No results found

non-Gaussian fading channels

Security gap analysis of some LDPC coded transmission schemes over the flat and fast fading Gaussian wire tap channels

Security gap analysis of some LDPC coded transmission schemes over the flat and fast fading Gaussian wire tap channels

... In this paper, we address the problem of choosing an LDPC code design technique with the aim of reduc- ing the security gap over flat and FF wire-tap channels. For this purpose, we consider some different LDPC ...

12

Performance evaluation of multi hop relaying over non gaussian PLC channels

Performance evaluation of multi hop relaying over non gaussian PLC channels

... The contributions of this paper are as follows. First, closed- form analytical expressions are derived for the outage prob- ability and energy efficiency of a single-hop PLC system. Note that the outage probability ...

9

A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels

A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels

... frequency-selective fading in the channel, subblock noise symbols due to an additive noise on the propagation channel become uncorrelated Gaussian random variables with same variances for a wide range of ...

5

Vector OFDM transmission over non Gaussian power line communication channels

Vector OFDM transmission over non Gaussian power line communication channels

... Similar to many PLC solutions originated in the wireless domain, VOFDM was first introduced in the context of wireless communications by Xia in [24] to reduce the size of FFT, IFFT and the cycle prefix overhead. This was ...

10

Inter Carrier Interference Analysis of OFDM Systems Communicating Over Rapidly Fading Nakagami m Channels

Inter Carrier Interference Analysis of OFDM Systems Communicating Over Rapidly Fading Nakagami m Channels

... Rayleigh fading channels has been extensively ...the fading channel’s enve- lope is constant within an OFDM ...in non-stationary Rayleigh fading channels has been investigated in ...

5

A Comparative Study between Multipath Fading Channels

A Comparative Study between Multipath Fading Channels

... complex Gaussian distributed fading coefficient should be modeled with a non-zero mean, giving rise to the Rician ...Rayleigh fading with strong line of sight (LOS) content is said to have a ...

6

A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels

A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels

... white Gaussian noise, maximal ratio combining (MRC) is a theoretically optimal combiner over fading channels in which the received signals from different paths are combined so as to maximize the ...

12

Energy detection based spectrum sensing over enriched multipath fading channels

Energy detection based spectrum sensing over enriched multipath fading channels

... Energy detection (ED) is considered a simple and adequate sensing method, compared to other detection schemes, due to its non-coherent structure and low computational and im- plementation complexities [3]. It is ...

7

Bit Error Rate and Signal to Noise Ratio Performance Evaluation of OFDM System with QPSK and QAM M-array Modulation Scheme in Rayleigh, Rician and AWGN Channel Using MATLAB/Simulink

Bit Error Rate and Signal to Noise Ratio Performance Evaluation of OFDM System with QPSK and QAM M-array Modulation Scheme in Rayleigh, Rician and AWGN Channel Using MATLAB/Simulink

... The fading that occurs in the channels are of different types ranging from Large scale fading and Small scale fading in a multipath ...large-scale fading, the received signal power ...

9

Design and Software Validation of Coded Communication Schemes using Multidimensional Signal Sets without Constellation Expansion Penalty in Band-Limited Gaussian and Fading Channels

Design and Software Validation of Coded Communication Schemes using Multidimensional Signal Sets without Constellation Expansion Penalty in Band-Limited Gaussian and Fading Channels

... Milton Quinteros was born on August 4, 1982, in Guayaquil, Ecuador. He received a Bach- elor of Science in Electrical Engineering in May 2007 and his Master of Science in Electrical Engineering in May 2009 from the ...

168

Bit Error Rate Analysis of OFDM System with Channel Estimation Error in Rayleigh Fading Channels

Bit Error Rate Analysis of OFDM System with Channel Estimation Error in Rayleigh Fading Channels

... complex Gaussian random variables with zero mean. The product of two Gaussian random variables is not a Gaussian random ...the non-Gaussian nature of term 3, calculation of the BER of ...

7

On the Delay Energy Tradeoff in Multiuser Fading Channels

On the Delay Energy Tradeoff in Multiuser Fading Channels

... We consider the delay-energy tradeoff on a fading channel with multiuser diversity. For fixed arbitrary rates of the users, the total transmitted energy is minimized subject to a delay constraint. To achieve this ...

14

Multiuser diversity in correlated Rayleigh fading channels

Multiuser diversity in correlated Rayleigh fading channels

... the channels correlation, although the rate reduction is ignorable in low correlation conditions (Figures 1 and ...independent fading conditions it is more likely that, at any time instant, one of the users ...

9

Algorithm for SNR Estimation In Rician
Fading Channels

Algorithm for SNR Estimation In Rician Fading Channels

... --------------------------------------------------------------------ABSTRACT-------------------------------------------------------------- Orthogonal frequency division multiplexing provides strong robustness against ...

6

Analysis of Cognitive Radio Capacity in Fading Channels

Analysis of Cognitive Radio Capacity in Fading Channels

... Abstract: This research paper is intended to derive, simulate and analyze the capacity of cognitive radio (CR) system in fading channels. Capacity being an information theoretic perspective for a wireless ...

6

Filter Centered Nonisotropic Fading Channel Archetypal For Wireless System Assessment

Filter Centered Nonisotropic Fading Channel Archetypal For Wireless System Assessment

... A fading channel can be simulated by producing fading gains with respect to isotropic and nonisotropic ...complex Gaussian process the channel model can be effectively produced and can be applied to ...

7

PERFORMANCE ANALYSIS OF DUAL DIVERSITY RECEIVER OVER CORRELATED a-µ FADING CHANNEL

PERFORMANCE ANALYSIS OF DUAL DIVERSITY RECEIVER OVER CORRELATED a-µ FADING CHANNEL

... multipath fading in wireless communication is modeled by several distribution such as Rayleigh, Rician, Weibull, ...(α-µ) fading model [1] has been proposed to describe the mobile radio signal considering ...

9

International Journal of Emerging Technology and Advanced Engineering

International Journal of Emerging Technology and Advanced Engineering

... frequency-selective channels and high information rates [1], and ...of non-particular thin band channels, which makes its vigorous against large defer spreads by safeguarding orthogonality in the ...

8

WCDMA uplink under Rayleigh fading channels is

WCDMA uplink under Rayleigh fading channels is

... multipath fading in the propagation ...multipath fading environment, the BER performance of a communication system using the proposed combination of adaptive beamforming and adaptive equalization is ...

8

Implementation of Mu Mimo Ofdm with Dcsk Modulation

Implementation of Mu Mimo Ofdm with Dcsk Modulation

... of non-coherent endured CPM correlates, every unmarried generating an alternation ...unmarried non-coherent persevering with CPM correlate is configured to encounter one in every of one's tool ...the ...

10

Show all 10000 documents...

Related subjects