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OFDM System Performance over AWGN Channels

Performance Evaluation of OFDM System with Rayleigh, Rician and AWGN Channels

Performance Evaluation of OFDM System with Rayleigh, Rician and AWGN Channels

... the performance in terms of BER using different modulation schemes on Rayleigh, Rician and AWGN ...This system model that is presented in this paper uses BPSK and 16-QAM as sub- carrier modulation ...

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Performance of OFDM system for AWGN, Rayleigh and Rician Channel

Performance of OFDM system for AWGN, Rayleigh and Rician Channel

... KEYWORDS: OFDM, AWGN channel, Rician channel, Rayleigh channel, ...transmission. OFDM one of them used for high rate transmission. OFDM system also utilized for modulation and ...send ...

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Performance Analysis and Improvement of LT Codes over AWGN Channels

Performance Analysis and Improvement of LT Codes over AWGN Channels

... better performance than their nonsystematic counterparts for low fixed code ...codes over the BEC as the conventional LT codes in this ...the performance of the above-mentioned systematic LT codes ...

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Performance Analysis of FFT-OFDM and DWT-OFDM over AWGN Channel under the Effect of CFO

Performance Analysis of FFT-OFDM and DWT-OFDM over AWGN Channel under the Effect of CFO

... DWT-based OFDM Wavelets are defined as a class of mathematical functions that shows oscillations with a particular amplitude that starts at zero, rises and then sets back again at its starting point to ...wireless ...

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Performance Improvement of Coded OFDM Communication System in AWGN Channel

Performance Improvement of Coded OFDM Communication System in AWGN Channel

... the performance of uncoded versus coded OFDM system over AWGN ...the performance of OFDM system. It shows the performance of RS and convolutional codes in ...

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PERFORMANCE ANALYSIS OF 16 PSK OVER AWGN, RICIAN, RAYLEIGH CHANNEL FOR MIMO-OFDM WIRELESS SYSTEM

PERFORMANCE ANALYSIS OF 16 PSK OVER AWGN, RICIAN, RAYLEIGH CHANNEL FOR MIMO-OFDM WIRELESS SYSTEM

... the performance of 16 PSK modulation and impact of different channels on the signals for MIMO OFDM ...a performance analysis on the basis of different fading ...BER performance is ...

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Robust Image Transmission with OFDM over an AWGN Channel

Robust Image Transmission with OFDM over an AWGN Channel

... III. OFDM SYSTEM DESCRIPTIONS WITH PROPOSEDMODIFICATION The block diagram of the proposed LDPC-COFDM system is illustrated in ...encoder.The OFDM considered in this paper utilizes N frequency ...

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STC-Mimo Block Spread OFDM in Frequency Selective AWGN Channels

STC-Mimo Block Spread OFDM in Frequency Selective AWGN Channels

... the performance, with different antenna configurations and propagation conditions the proposed MIMO-OFDM (STC) gives potentially higher spectral ...high performance over wireless ...

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Performance of OFDM QAM over Frequency-Selective Fading Channels

Performance of OFDM QAM over Frequency-Selective Fading Channels

... Without channel dispersion in flat fading, no time domain equalization is required, then a simple single carrier system can be used with diversity combining to combat flat fading and the[r] ...

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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels

Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels

... in OFDM is split across several separate narrowband channels at different frequencies to minimize interference and ...crosstalk. OFDM Transmits the original input data bits parallel as compared to ...

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A Review on Robust Image Transmission with OFDM over an AWGN Channel

A Review on Robust Image Transmission with OFDM over an AWGN Channel

... III. OFDM SYSTEM DESCRIPTIONS WITH PROPOSEDMODIFICATION The block diagram of the proposed LDPC-COFDM system is illustrated in ...encoder.The OFDM considered in this paper utilizes N frequency ...

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Bit Error Rate Performance of OFDM/OQPSK and CPM with Channel Coding Over AWGN Channel

Bit Error Rate Performance of OFDM/OQPSK and CPM with Channel Coding Over AWGN Channel

... Rate performance of Orthogonal Frequency Division Multiplexing/Offset Quadrature Phase Shift Keying (OFDM/OQPSK) and Continuous Phase Modulation (CPM) over Additive White Gaussian Noise (AWGN) ...

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A Unique Wavelet-based Multicarrier System with and without MIMO over Multipath Channels with AWGN

A Unique Wavelet-based Multicarrier System with and without MIMO over Multipath Channels with AWGN

... better performance than conventional FFT-OFDM frequency- domain ...proposed system exploits the special property of wavelet transforms such that filter distortions and signal aliasing is completely ...

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BER Performance of OFDM System over Nakagami m Fading Channels with Different Modulation Schemes

BER Performance of OFDM System over Nakagami m Fading Channels with Different Modulation Schemes

... (2) OFDM for Mobile Communication OFDM represents a different system design ...codes, OFDM segments are according to ...frequency. OFDM can be viewed as a form of frequency division ...

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Analysis of coded OFDM system over frequency-selective fading channels

Analysis of coded OFDM system over frequency-selective fading channels

... coding over n = lN independent parallel sub-channels with different signal to noise ratios determined by α i (t) ...the OFDM symbols in the same sub-carrier position over a sufficient large ...

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Systematic redundant residue number system codes: analytical upper bound and iterative decoding performance over AWGN and Rayleigh channels

Systematic redundant residue number system codes: analytical upper bound and iterative decoding performance over AWGN and Rayleigh channels

... Since December 1997, he has been with the Communications Research Group, Department of Electronics and Computer Science, University of Southampton, Southampton, U.K., where he held various research posts as a Visiting ...

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RADON TRANSFORM BASED OFDM-IDMA SYSTEM WITH AWGN CHANNEL

RADON TRANSFORM BASED OFDM-IDMA SYSTEM WITH AWGN CHANNEL

... (OFDM-IDMA) system for next generation wireless communication ...in OFDM system Conventional OFDM/QAM systems are robust for multi-path channels due to the cyclically prefixed ...

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Performance evaluation of ofdm system using convolution  code under awgn, rayleigh and rician channel

Performance evaluation of ofdm system using convolution code under awgn, rayleigh and rician channel

... Mbps. OFDM involves Frequency Division Multiplexing and Multicarrier ...well OFDM the subcarriers are designed to be orthogonal this allow subcarriers to overlap and save the bandwidth that achieving high ...

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Ber Performance Analysis of Coded OFDM based Systems over Various Channels

Ber Performance Analysis of Coded OFDM based Systems over Various Channels

... growing. OFDM technology promises to be a key technique for achieving the high data capacity and spectral efficiency requirements for wireless communication systems of the near ...network performance. It is ...

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Performance Comparison of MIMO Systems over AWGN and Rician Channels using OSTBC4 with Zero Forcing Receivers

Performance Comparison of MIMO Systems over AWGN and Rician Channels using OSTBC4 with Zero Forcing Receivers

... the performance analysis of MIMO system over AWGN and Rician fading channels employing different antenna configurations using OSTBC4 is presented with zero forcing ...MIMO system ...

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