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MC/CDMA system performance

Ant Colony Based Multiuser Detection for MC DS CDMA Systems

Ant Colony Based Multiuser Detection for MC DS CDMA Systems

... BER performance versus signal-to-noise ratio (SNR) performance of the MRC-based correlation detector, the ML MUD and the ACO-based MUD, which was introduced in Sec- tions II and ...uplink MC ...

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Performance Enhancement of MC-CDMA System through STTC based STBC Site Diversity

Performance Enhancement of MC-CDMA System through STTC based STBC Site Diversity

... [1]. MC-CDMA is robust to multi- path fading, inheriting the advantages of conventional CDMA where frequency diversity can be achieved in a broadband channel ...transmission, MC-CDMA is ...

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An Overview of PAPR Reduction Techniques for an MC CDMA System

An Overview of PAPR Reduction Techniques for an MC CDMA System

... downlink MC-CDMA is investigated with different number of active users and walsh hadamard and golay complementary sequences are used as spreading ...PAPR performance but it also results in increase ...

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PAPR Reduction Based on Proposed Rotating Phase Shift Technique in MC CDMA Using FPGA

PAPR Reduction Based on Proposed Rotating Phase Shift Technique in MC CDMA Using FPGA

... Because, MC-CDMA is still suffering from PAPR which is a major drawback in most of the multi carrier communication ...the system in an FPGA becomes more flexible and ...ratio performance of ...

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PERFORMANCE ANALYSIS OF FIXED AND MOBILE WIMAX SYSTEM BASED ON OFDM AND MC-CDMA SYSTEMS

PERFORMANCE ANALYSIS OF FIXED AND MOBILE WIMAX SYSTEM BASED ON OFDM AND MC-CDMA SYSTEMS

... combined CDMA with Orthogonal Frequency Division Multiplexing (OFDM) to allow efficient use of available spectrum while retaining many advantages available in the CDMA ...and CDMA, MC- ...

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Multi User Detection by MMSE Adaptive Algorithm for Multi Beam MIMO MC CDMA using Sequences of References

Multi User Detection by MMSE Adaptive Algorithm for Multi Beam MIMO MC CDMA using Sequences of References

... the system, reducing the transmission power of mobile (and therefore increasing energy autonomy) and improved link ...for MC-CDMA system. Transmission implicated in the MC-CDMA ...

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Performance Evaluation of MC CDMA for Fixed WiMAX with Equalization

Performance Evaluation of MC CDMA for Fixed WiMAX with Equalization

... Although digital communication is less prone to errors yet there is no control over the errors which could occur due to wrong data reception by the receiver. One solution to this problem is to send the data again. But ...

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Throughput Improvement of STS-Based MC DS-CDMA System with Variable Spreading Factor

Throughput Improvement of STS-Based MC DS-CDMA System with Variable Spreading Factor

... and performance of the ...STS-based MC DS- CDMA system versus pre-dispreading SNR some critical thresholds are obtained which are used in rate adaptation ...BER performance of the ...

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PAPR Reduction of an MC CDMA system using SLM technique

PAPR Reduction of an MC CDMA system using SLM technique

... of MC-CDMA for different modulation ...reduction performance depends upon various number of phase sequence factors (U) and it significantly improves with increase in number of ...PAPR ...

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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels

Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels

... its performance is considered over multipath Nakagami- fading ...generalized MC DS-CDMA is a variable, allowing us to gain insight into the effects of the spacing on the bit error rate (BER) ...

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BER Enhancement of MC CDMA through B STTC Based STBC and STBC Based B STTC Site Diversity Techniques

BER Enhancement of MC CDMA through B STTC Based STBC and STBC Based B STTC Site Diversity Techniques

... transmission, MC-CDMA is suitable for downlink of cellular communication systems ...the system by employing spatially separated antennas at the transmitter and receiver ...rate MC-CDMA ...

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Performance Analysis of MC CDMA over Different Fading Channels

Performance Analysis of MC CDMA over Different Fading Channels

... This paper contains following sections-section 2 discusses the MC-CDMA system followed by section 3 which describes the OFDM and then section 4 is about the types of fading channels used here. ...

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PERFORMANCE ANALYSIS OF WAVELET PACKET BASED MC-CDMA WITH THE MC-CDMA SYSTEM USING HHT TRANSFORM WITH DIFFERENT NO OF USER

PERFORMANCE ANALYSIS OF WAVELET PACKET BASED MC-CDMA WITH THE MC-CDMA SYSTEM USING HHT TRANSFORM WITH DIFFERENT NO OF USER

... Fig 3.1 Shows the bit error rate versus SNR curves for different users of conventional MC-CDMA scheme. It can be observed from the figure that as the number of users increases the bit error rate decreases ...

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A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels

A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels

... the performance of the unified multicarrier DS-CDMA scheme, investigate the effect of the normalized subcar- rier spacing, λ, on the system’s performance and compare the perfor- mance of MC ...

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Performance Evaluation of Adaptive Modulation Based MC CDMA System

Performance Evaluation of Adaptive Modulation Based MC CDMA System

... Sorour Falahati and Arne Svensson have studied an op- timum design for an adaptive modulation technique based on encoded M-QAM, assisted with channel prediction for the Rayleigh fading channel in [15]. Signaling delays ...

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A Proposed Turbo Coded Wavelet Packet Modulation based MC CDMA

A Proposed Turbo Coded Wavelet Packet Modulation based MC CDMA

... the performance of a communication system is to use the channel ...communication performance by enabling the transmitted signals to better withstand the effects of various channel impairments, such ...

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Performance of the Smart Antenna Aided Multicarrier DS CDMA and its Uplink

Performance of the Smart Antenna Aided Multicarrier DS CDMA and its Uplink

... generalized MC DS- CDMA system investigated in [8], [9], which includes the sub- classes of multitone DS-CDMA [3] and orthogonal MC DS- CDMA [4] as special ...generalized ...

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Survey of Interference Mitigation Techniques and Correlation Properties of Spreading Codes for MC-CDMA System

Survey of Interference Mitigation Techniques and Correlation Properties of Spreading Codes for MC-CDMA System

... of MC-CDMA system, their requirements, and then proceeds to describe the Issues happen in MC-CDMA wireless communication systems by eliminating those issues with help of novel ...

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Performance Evaluation of Wavelet Packet Based MC-CDMA and HHT Based MC-CDMA System

Performance Evaluation of Wavelet Packet Based MC-CDMA and HHT Based MC-CDMA System

... based MC-CDMA ...rate performance is greatly improved as the number of users increases compared to wavelet packet based ...based MC-CDMA scheme in the low SNR region provides much ...

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Performance Enhancement of MC CDMA System through Turbo Block Codes

Performance Enhancement of MC CDMA System through Turbo Block Codes

... the performance of MC-CDMA system in terms of bit error rate ...of MC-CDMA ...in MC-CDMA system for improving the BER performance and the same is ...

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