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Diversity scheme

On the Outage Probability Prediction of Time Diversity Scheme in Broadband Satellite Communication Systems

On the Outage Probability Prediction of Time Diversity Scheme in Broadband Satellite Communication Systems

... Time diversity as a technique for the compensation of rain attenuation has been studied in many papers ...time diversity systems at equatorial areas is presented using data derived from measurements at ...

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Performance Evaluation Of Image Transmission Over WiMAX With MIMO Antenna Diversity Scheme

Performance Evaluation Of Image Transmission Over WiMAX With MIMO Antenna Diversity Scheme

... Abstract— The image transmission over wireless communication channel is already explored by many researchers. Due to eye perception for only low frequency component the de-noising system may be add at receiver end of the ...

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Low Complexity Non Binary LDPC and Modulation Schemes communicating over MIMO Channels

Low Complexity Non Binary LDPC and Modulation Schemes communicating over MIMO Channels

... Since LDPC codes may be conveniently characterized by the vari- able nodes, check nodes and their inter-connections [13], a corre- sponding Baysian network can be constructed. Furthermore, in this contribution, the ...

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Cognitive Radio Performance Analysis and Threshold Optimization of Energy Detection over Inverse Gaussian Channel with Selection Combining Reception

Cognitive Radio Performance Analysis and Threshold Optimization of Energy Detection over Inverse Gaussian Channel with Selection Combining Reception

... well-known diversity scheme such as Selection Combining (SC) nothing that, though maximum ratio combing (MRC) provides the best improvement in the system performance, however, SC enjoys the lowest ...

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Dual Hop Relay with Cooperative Diversity and Relay Selection

Dual Hop Relay with Cooperative Diversity and Relay Selection

... cooperative diversity scheme based on the fusion of cooperative relaying scheme with orthogonal space-time block coding and LLR relay selection ...proposed scheme is carried out over Nakagami ...

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Wavelet Packet Transform Modulation for Multiple Input Multiple Output Applications

Wavelet Packet Transform Modulation for Multiple Input Multiple Output Applications

... It is accepted that OFDM with MIMO antennas can enhance data transfer rates without additional bandwidth. An example using the Alamouti two-antenna diversity scheme which includes at least two transmit ...

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THE THROUGHPUT FOR MULTI HOP RELAY WIRELESS SENSOR NETWORKS BASED ON COOPERATIVE 
DIVERSITY

THE THROUGHPUT FOR MULTI HOP RELAY WIRELESS SENSOR NETWORKS BASED ON COOPERATIVE DIVERSITY

... a diversity scheme, proposed by ...prevalent scheme, with two transmit antennas and one receive antenna, uses simple coding which is the only STBC that can achieve the full diversity gain ...

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Performance analysis of direct detection and coherent detection system for optical OFDM using QAM and DPSK

Performance analysis of direct detection and coherent detection system for optical OFDM using QAM and DPSK

... The paper presents a performance analysis of a coherent optical OFDM system in terms of its BER. Also a performance comparison is done to show the significance of polarization diversity scheme in coherent ...

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Implementation of Transmit Diversity Schemes

Implementation of Transmit Diversity Schemes

... SFBC simulation results indicate at a bit error rate (BER) of 10 -2 with diversity gain of about 5 dB and about 15 dB of gain at a BER of 10 -4 . SFBC performance curve gives an error floor due to the ...

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Adaptive Space Time Spreading Assisted Wideband CDMA Systems Communicating over Dispersive Nakagami m Fading Channels

Adaptive Space Time Spreading Assisted Wideband CDMA Systems Communicating over Dispersive Nakagami m Fading Channels

... transmit diversity tech- nique used for combating fading in wireless communica- tions [15, 16, 17, ...transmit diversity has now been adapted as an optional di- versity mode in the third-generation (3G) ...

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Rate Adaptation for Decoding and Forward Relay Channel by Random Projections Codes

Rate Adaptation for Decoding and Forward Relay Channel by Random Projections Codes

... receiving diversity scheme and coding diversity scheme with the same power allocation ...coding diversity scheme achieve more gain than ...

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INCORPORATION OF NEGOTIATION PROCESS INTO AN E COMMERCE PLATFORM TO INCREASE SALES

INCORPORATION OF NEGOTIATION PROCESS INTO AN E COMMERCE PLATFORM TO INCREASE SALES

... The rapid growth of the Internet technology has expanded the use of fingerprint into a larger application boundary. For example, the fingerprint is a common authentication method for mobile applications nowadays. With ...

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Single carrier frequency domain equalizer with Alamouti signalling using zero forcing equalizer for MIMO system

Single carrier frequency domain equalizer with Alamouti signalling using zero forcing equalizer for MIMO system

... shows diversity as function of data rate and transmission block length ...the diversity is two ...maximum diversity with maximum likelihood (ML) decoding for linear pre-coded OFDM ...multipath ...

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Spatial climate dynamics in the Iberian Peninsula since 15 000 yr BP

Spatial climate dynamics in the Iberian Peninsula since 15 000 yr BP

... netic diversity was found to be high and which are often con- sidered as refugial areas for several animal and plant ...and diversity in the Iberian Peninsula is a major issue for conservation issues, ...

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Broadcast Reserved Opportunity Assisted Diversity Relaying Scheme and Its Performance Evaluation

Broadcast Reserved Opportunity Assisted Diversity Relaying Scheme and Its Performance Evaluation

... multiuser diversity is exploited in each hop by selecting the next RN based on the instantaneous channel ...multiuser diversity relaying (IMDR). The scheme works based on the assumption that there ...

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Peak to Average Power Ratio Analysis for Golden Coded MIMO Systems

Peak to Average Power Ratio Analysis for Golden Coded MIMO Systems

... This paper focused on the PAPR analysis of golden coded SC- MIMO and MIMO-OFDM systems. For the SC-MIMO system, we have derived a closed-form expression of the PAPR for golden coded symbols. Simulation results showed an ...

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Performance Comparison of MPAM and MQAM in Nakagami m and Rician Fading Channel

Performance Comparison of MPAM and MQAM in Nakagami m and Rician Fading Channel

... transmit diversity (STTD) is obtained by averaging the conditional BER over the probability density function (pdf) of received signal-to-noise ratio (SNR) per bit for independent identically distributed Nakagami-m ...

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Design of Cooperative Non Orthogonal Multicast Cognitive Multiple Access for 5G Systems:User Scheduling and Performance Analysis

Design of Cooperative Non Orthogonal Multicast Cognitive Multiple Access for 5G Systems:User Scheduling and Performance Analysis

... applied by the cooperative MCR-NOMA, therefore yielding larger received SNR in the low to medium SNR regions. On the other hand, in the absence of CSI acquisition/exchange, the round robin scheduling can still ensure a ...

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Rake Receiver Detection of Adaptive Modulation Aided CDMA over Frequency Selective Channels

Rake Receiver Detection of Adaptive Modulation Aided CDMA over Frequency Selective Channels

... AQAM scheme is shown in Fig. 3 for various antenna diversity or- ders together with the performance of the constituent fixed mode modems employing ...AQAM scheme over the fixed modems was in the ...

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Multilocus Sequence Analysis Provides Insights into Molecular Epidemiology of Chlamydia pecorum Infections in Australian Sheep, Cattle, and Koalas

Multilocus Sequence Analysis Provides Insights into Molecular Epidemiology of Chlamydia pecorum Infections in Australian Sheep, Cattle, and Koalas

... (MLSA) scheme to examine the genetic diversity of and relationships between Australian sheep, cattle, and koala ...MLSA scheme for understanding the host relationship that exists between Australian ...

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