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MC DS-CDMA system

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

... STS-based MC DS-CDMA system versus output SNR for different ...the system remains below ...STS-based MC DS-CDMA system is given in figure 7 through ...

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MC DS CDMA System Based on DWT and STBC in
Multipath Fading ITU Channels Model

MC DS CDMA System Based on DWT and STBC in Multipath Fading ITU Channels Model

... fixed MC-DS-CDMA and mobile MC-DS-CDMA applications have been improved by using the compensations of space time block coding and Discrete Fast Fourier Transform (FFT) or Discrete ...

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Ant Colony Based Multiuser Detection for MC DS CDMA Systems

Ant Colony Based Multiuser Detection for MC DS CDMA Systems

... (MC DS- CDMA) ...entire MC DS-CDMA search space constituted by all possible combinations of the received multi-user ...the system is capable of supporting almost as many ...

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Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems

Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems

... (MC DS-CDMA) system of [10] to propose a novel Differential Space-Time Spreading (DSTS) scheme as well as a Differential Steered Space-Time Spreading (DSSTS) scheme for the sake of improving ...

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Performance of Generalized Multicarrier DS CDMA Using Various Chip Waveforms

Performance of Generalized Multicarrier DS CDMA Using Various Chip Waveforms

... generalized MC DS-CDMA system is shown in ...single-carrier DS-CDMA scheme using the same total bandwidth as the MC DS-CDMA arrange- ...the MC ...

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Broadband MC DS CDMA Using Space Time and Frequency Domain Spreading

Broadband MC DS CDMA Using Space Time and Frequency Domain Spreading

... broadband MC DS-CDMA scheme, which employs STS assisted transmit diversity and time-frequency-domain (TF-domain) ...broadband MC DS-CDMA system is determined by the ...

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Analysis of Carrier Frequency Selective Offset Estimation - Using Zero-IF and ZCZ In MC-DS-CDMA

Analysis of Carrier Frequency Selective Offset Estimation - Using Zero-IF and ZCZ In MC-DS-CDMA

... for MC-DSCDMA-Uplink system is proposed in this ...of MC-DS-CDMA Uplink is com- pared with that of an OFDM system to estimate the ...the MC-DS-CDMA ...

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Performance of the Smart Antenna Aided Generalized Multicarrier DS CDMA Downlink using both Time Domain Spreading and Steered Space Time Spreading

Performance of the Smart Antenna Aided Generalized Multicarrier DS CDMA Downlink using both Time Domain Spreading and Steered Space Time Spreading

... PERFORMANCE RESULTS In this section the BER performance of the downlink of a generalized MC DS-CDMA system employing SSTS and using 32-chip Walsh codes as T-domain spreading sequences as[r] ...

5

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

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

... generalized MC DS-CDMA system is shown explicitly in ...multicarrier system using a given number of subcarriers changes slowly, when , and there is no pronounced optimum ...orthogonal ...

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Blind Soft Detection Assisted Frequency Hopping Multicarrier DS CDMA Systems

Blind Soft Detection Assisted Frequency Hopping Multicarrier DS CDMA Systems

... 3, for the SFH/MC DS-CDMA system using a constant-weight code CQ; 2v; U in order to activate the subcarriers and using a receiver without the explicit knowledge of the FH pattern - exce[r] ...

5

Blind Per Survivor Processing Based Multiuser Detection for Channel Coded Multi Carrier DS CDMA Systems

Blind Per Survivor Processing Based Multiuser Detection for Channel Coded Multi Carrier DS CDMA Systems

... Subsequently, we analyse the performance of the synchronous MC DS-CDMA system considered, when employing three different channel coding schemes, namely Low Density Parity Check LDPC code[r] ...

5

Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink

Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink

... generalized MC DS-CDMA system of [12], since subspace-based estimation techniques [4], [10], [11] are ca- pable of extracting the channel estimates ...generalized MC ...

5

Coherent and Differential Downlink Space Time Steering Aided Generalised Multicarrier DS CDMA

Coherent and Differential Downlink Space Time Steering Aided Generalised Multicarrier DS CDMA

... (MC DS-CDMA) system invoking smart antennas for improving the achievable performance in the ...the MC DS- CDMA transmitter employs an Antenna Array (AA) and Steered ...

7

Time  and Frequency Domain Spreading Assisted MC DS CDMA using Interference Rejection Spreading Codes for Quasi Synchronous Communications

Time and Frequency Domain Spreading Assisted MC DS CDMA using Interference Rejection Spreading Codes for Quasi Synchronous Communications

... aided MC DS-CDMA system, which employed so-called generalized orthogonal spreading codes exhibiting an interference free window ...proposed MC DS-CDMA system is ...

5

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 ...

5

Energy Efficient Modulation in MC DS/CDMA Using Game Theory Approach: Performance Results

Energy Efficient Modulation in MC DS/CDMA Using Game Theory Approach: Performance Results

... 537 Abstract—The effect of constellation size on energy efficiency of Multi carrier Direct Sequence code-division multiple-access (MC DS/ CDMA) system for M-QAM modulation is studied using a ...

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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

... multicarrier DS-CDMA (MC DS-CDMA) schemes is defined and its performance is considered over multipath Nakagami- m fading ...unified MC DS-CDMA scheme is a variable, ...

5

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

... of DS-CDMA transmitter has been proposed in [8], which research complicated two phases—simulation and syn- thesis of the Verilog ...for DS-CDMA Communi- cation System uses FPGA ...the ...

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Equivalence of Linear MMSE Detection in DS CDMA and MC CDMA Systems over Time and Frequency Selective Channels

Equivalence of Linear MMSE Detection in DS CDMA and MC CDMA Systems over Time and Frequency Selective Channels

... one system over the ...in MC-CDMA system may make implementing DS-CDMA sys- tem ...implementing MC-CDMA system ...

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