MC-DS/CDMA systems
Distributed Resource Allocation Assisted by Intercell Interference Mitigation in Downlink Multicell MC DS CDMA Systems
... of MC DS-CDMA will be at the order of the number of time domain resolvable paths of wireless channels and, hence, will usually be low ...advantages, MC DS-CDMA can be a promising ...
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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 ...a MC DS-CDMA system employing 31 -chip ...
5
BER performance of MC DS CDMA systems in the presence of timing jitter : a thesis presented in partial fulfillment of the requirements for the degree of Master of Engineering in Information and Telecommunication Engineering at Massey University, Palmerston North, New Zealand
... of CDMA systems based on the combination of CDMA schemes and OFDM technique, which are referred to as multi-carrier CDMA systems, has received a lot of attention in the field of ...
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Accurate BER of MC DS CDMA over Rayleigh Fading Channels
... munication systems that has been studied ...conventional DS-CDMA, affect likewise the performance of MC- DS-CDMA ...addition, MC-DS-CDMA capacity is limited ...
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MC DS CDMA System Based on DWT and STBC in Multipath Fading ITU Channels Model
... based MC-DS-CDMA systems: The STBC based MC-DS-CDMA can implement using Discrete Fourier Transform (DFT) or Fast Fourier Transforms (FFT) as complex exponential ...based ...
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Serial Acquisition Performance of Single and Multi carrier DS CDMA over Nakagami $m$ Fading Channels
... and MC DS-CDMA systems has been investigated and compared with various Nakagami- fading channels under the hypothesis of multiple synchronous states ( cells) in the uncertainty region of the ...
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Joint Impact of Frequency Synchronization Errors and Intermodulation Distortion on the Performance of Multicarrier DS-CDMA Systems
... multicarrier systems is highly impaired by intercarrier interference (ICI) due to frequency synchronization errors at the receiver and by intermodulation distortion (IMD) introduced by a nonlinear amplifier (NLA) ...
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Broadband MC DS CDMA Using Space Time and Frequency Domain Spreading
... (MC DS-CDMA) constitutes one of the most promising multiple-access schemes and hence enjoyed wide ...broadband MC DS- CDMA system using space-time spreading [1] assisted transmit ...
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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 ...
5
Multirate Transmission in Frequency Hopping Multicarrier Direct Sequence Code Division Multiple Access Systems
... The BER performance of the constant-weight code based multirate FH/MC DS-CDMA systems using random FH schemes is shown in Fig.3 and Fig.4 in terms of the multipath Nakagami-m fading chan[r] ...
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... multitone DS-CDMA scheme marginally outperforms the orthogonal MC DS-CDMA scheme, when the channel fading is extremely severe, such as in the case of , and ...multitone ...
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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, ...
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Equivalence of Linear MMSE Detection in DS CDMA and MC CDMA Systems over Time and Frequency Selective Channels
... (CDMA) systems in time and frequency selective ...the MC-DS-CDMA ...different CDMA systems as special ...different CDMA systems operating over purely frequency ...
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Throughput Improvement of STS-Based MC DS-CDMA System with Variable Spreading Factor
... for MC DS-CDMA system. In MC DS-CDMA system, multicarrier modulation is combined with time domain spreading, where DS spreading is performed to spread subcarriers’ signals ...
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Energy Efficient Modulation in MC DS/CDMA Using Game Theory Approach: Performance Results
... and CDMA systems is ...Sequence CDMA which has the benefits of both the time diversity gain of CDMA and the high data rates of OFDM ...sequence CDMA is technique where the data streams ...
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Enabling dynamic spectrum access using SS MC CDMA
... By combining frequency domain and time domain dispersal of modulated symbols, two main variants of multi-carrier spread spectrum systems, the MC-CDMA and MC direct sequence CDMA MC-DS-CD[r] ...
6
Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems
... the MC-CDMA (frequency domain spreading) and MC direct sequence CDMA (MC-DS-CDMA) (time domain ...at MC-CDMA is as a com- bination of CDMA and OFDM, ...
5
International Journal of Emerging Technology and Advanced Engineering
... OFDM- CDMA. There are mainly three kinds of OFDM-CDMA systems they are MC-CDMA, DS-MC-CDMA and MT- CDMA ...
6
Analysis of Carrier Frequency Selective Offset Estimation - Using Zero-IF and ZCZ In MC-DS-CDMA
... Technological advances over the past two decades have led to the rapid evolution of the telecommunications industry. No longer limited to narrow-band voice signals, modern communications integrate voice, images, data, ...
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Performance Comparison of FH/MC DS CDMA with Single and Multi Carrier DS CDMA
... The multiple-access scheme is constituted by frequency-hopping FH based multicarrier DS-CDMA FWMC DS-CDMA, where the entire bandwidth of future systems can be divided into a number of su[r] ...
6