[PDF] Top 20 Generalized Multicarrier DS CDMA Using Various Chip Waveforms
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Generalized Multicarrier DS CDMA Using Various Chip Waveforms
... of generalized multicarrier DS-CDMA (MC DS-CDMA) schemes [1] is investigated, when consider- ing time-domain half-sine and raised-cosine chip waveforms, in addition ... See full document
5
Performance of Generalized Multicarrier DS CDMA Using Various Chip Waveforms
... A GENERALIZED multicarrier direct-sequence code-division multiple access (MC DS-CDMA) scheme using rectangular chip waveforms has been investigated, when communicating ... See full document
5
Performance of the Smart Antenna Aided Generalized Multicarrier DS CDMA Downlink using both Time Domain Spreading and Steered Space Time Spreading
... of using orthogonal multicarrier signals, synchronous transmission of the K user signals as well as slow flat-fading of each subcarrier, where no interference is encountered between the 32 users employing ... See full document
5
Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... single-carrier DS-CDMA systems based on the philosophy of signal subspace estimation, which benefits from a lower compu- tational complexity and a better performance compared to the MOE based blind ... See full document
5
Generalized Multicarrier CDMA: Unification and Linear Equalization
... In this paper, we developed a GMC-CDMA system for wire- less MUI/ISI resilient transmissions over frequency-selective channels. We showed that GMC-CDMA encompasses single- carrier DS-CDMA and ... See full document
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Zero Forcing and Minimum Mean Square Error Multiuser Detection in Generalized Multicarrier DS CDMA Systems for Cognitive Radio
... of various multicarrier CDMA schemes has been widely investigated, as seen, for example, in ...MC DS-CDMA operated under the cogni- tive ...MC DS-CDMA systems. ... See full document
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Performance of Broadband Multicarrier DS CDMA using Space Time Spreading Assisted Transmit Diversity
... broadband multicarrier direct-sequence CDMA (MC DS-CDMA) using STS-assisted transmit diversity, when communicating over frequency-selective Rayleigh-fading ...MC DS-CDMA ... See full document
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Performance of the Smart Antenna Aided Multicarrier DS CDMA and its Uplink
... combined using one of the four types of optimum linear com- bining ...the generalized MC DS-CDMA systems using the above- mentioned optimum linear combining schemes is investigated and ... See full document
5
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] ... See full document
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... multitone DS-CDMA, then a subcarrier signal will overlap with a high number of subcarrier signals of both the same user and with those of the interfering ...corresponding chip-rate of the spreading ... See full document
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Exact BER Performance of Asynchronous DS CDMA Systems using Quadriphase Spreading and QPSK Modulation over Rayleigh Channels
... systems using random complex-valued spreading se- quences and QPSK modulation for transmission over Rayleigh channels, rather than employing deterministic complex-valued spreading sequences [21], [22] for ... See full document
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A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels
... 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 DS-CDMA having the ... See full document
5
Software Defined Radio Assisted Adaptive Broadband Frequency Hopping Multicarrier DS CDMA
... FH/MC DS-CDMA consti- tutes a versatile broadband air-interface, which provides a wide range of flexible parameters that may be reconfigured in response to the prevalent service requirements and/or ... See full document
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Coherent and Differential Downlink Space Time Steering Aided Generalised Multicarrier DS CDMA
... generalised MultiCarrier Direct Sequence Code Division Multiple Access (MC DS-CDMA) system invoking smart antennas for improving the achievable performance in the ...MC DS- CDMA ... See full document
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Timing Free Blind Multiuser Detection for Multicarrier DS/CDMA Systems with Multiple Antennae
... a CDMA multiaccess network, the signal-to-interference- plus-noise ratio is expected to be quite low, at least as far as the network load increases, whereby the task of reducing—if not nullifying—the training ... See full document
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Blind Joint Soft Detection Assisted Slow Frequency Hopping Multicarrier DS CDMA
... FH/MC DS-CDMA system, when using SFH and BPSK data modula- ...soft-detection using maximum-likelihood sequence detection (MLSD)—which is considered to be the optimum scheme—can be utilized, in ... See full document
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Joint Impact of Frequency Synchronization Errors and Intermodulation Distortion on the Performance of Multicarrier DS-CDMA Systems
... Previous works about MC-DS-CDMA performance con- sidered the presence of either frequency synchronization errors or nonlinear distortions. Indeed, Steendam and Moeneclaey evaluated the signal-to-noise ratio ... See full document
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Slow Frequency Hopping Multicarrier DS CDMA for Transmission over Nakagami Multipath Fading Channels
... SFH/MC DS-CDMA system is actually reduced to a con- ventional MC DS-CDMA ...upon using a multiuser detector, the complexity of the SFH/MC DS-CDMA system is significantly ... See full document
11
Performance of multicarrier complementary coded CDMA under frequency selective Nakagami m fading channels
... coded CDMA with conventional CDMA systems employ- ing Walsh codes to show the advantage of CC-CDMA in obtaining large diversity gain when incorporating PIC with different combining ... See full document
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Adaptive Rate DS CDMA Systems using Variable Spreading Factors
... a DS-CDMA system is a time-varying random variable and when the conventional matched filter-based receiver is employed, an adaptive rate-transmission scheme using VSFs can be employed for ... See full document
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