[PDF] Top 20 Performance of Residue Number System Based DS CDMA over Multipath Channels Using Orthogonal Sequences
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Performance of Residue Number System Based DS CDMA over Multipath Channels Using Orthogonal Sequences
... By using RNS error-detection codes to find residue errors and to provide erasure information for RS decoding, the error control performance of the non-binary RS code with errors-and-eras[r] ... See full document
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Accurate BER Analysis of QPSK Modulated Asynchronous DS CDMA Systems Communicating over Rayleigh Channels
... BER performance of an asynchronous DS-CDMA system using I/Q modulation and random spreading sequences, when communicating over Rayleigh ...expression based on the ... See full document
5
MC DS CDMA System Based on DWT and STBC in Multipath Fading ITU Channels Model
... MC-DS-CDMA system base FFT then improved its BER performance and diversity by using space time block coding with two, three and forth ...BER performance and spectrum ...the ... See full document
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Accurate Bit Error Rate Calculation for Asynchronous Chaos-Based DS-CDMA over Multipath Channel
... the performance of the chaos-based communication ...the number of paths, the noise variance, and the number of ...the performance of the system, a perfect synchronization of the ... See full document
12
Adaptive interference suppression for DS-CDMA systems based on interpolated FIR filters with adaptive interpolators in multipath channels
... synchronous DS-CDMA systems with short ...a performance superior to conventional AIFIR schemes [22], [23] (where the interpolator is fixed) and a faster conver- gence performance than ... See full document
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A Unified Exact BER Performance Analysis of Asynchronous DS CDMA Systems Using BPSK Modulation over Fading Channels
... binary DS-CDMA system using random spreading sequences is considered when communicating over various fading ...integration based on the CF ...low number of ... See full document
6
Performance of Reverse Link Synchronous DS CDMA System on a Frequency Selective Multipath Fading Channel with Imperfect Power Control
... the system capacity degradation due to PCE is the main focus of this ...the over- all effect of imperfect power control, PCE is considered in terms of the standard deviation of the lognormal distribu- ... See full document
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Residue Number System Arithmetic Based Parallel Communication Scheme Using Orthogonal Signaling: Part II Multipath Fading Channels
... the multipath Rayleigh fading channel when using noncoherent ...related performance is evaluated for both nonredundant and redundant RNS-based orthogonal ...the performance of ... See full document
13
Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... optimum performance in terms of . For example, for a given total system bandwidth, can be optimized, in order to minimize the multiuser interference, since it has an influence on both the overlap of the ... See full document
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A Reed Solomon Coded DS CDMA System Using Noncoherent M ary Orthogonal Modulation over Multipath Fading Channels
... codes using multibit symbols and having the capability of correcting/detecting symbol errors and symbol ...the number of information symbols, respectively—can correct up to random symbol errors, where ... See full document
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Analytical Bit Error Rate Performance of DS CDMA Ad Hoc Networks using Large Area Synchronous Spreading Sequences
... BER performance of the quasi-synchronous LAS DS-CDMA ...quasi-synchronous DS-CDMA systems using both 256-chip and 128-chip WH codes exhibit a poor performance owing to ... See full document
5
Adaptive Minimum BER Linear Multiuser Detection for DS CDMA Signals in Multipath Channels
... After graduation, he worked for four years as a Development Engineer with the Radar Systems De- partment, GEC-Marconi Avionics, Edinburgh, U.K. From 1983 to 1986, he was a research associate with the Department of ... See full document
8
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] ... See full document
5
Exact BER Performance of Asynchronous DS CDMA Systems using Quadriphase Spreading and QPSK Modulation over Rayleigh Channels
... asynchronous DS-CDMA system using complex-valued spreading sequences and QPSK modulation for transmission over Rayleigh channels is ...BER performance using ... See full document
5
Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... By using a cluster variation-weighted measure, this algorithm always converges to an optimal or near optimal cluster configuration, independent of the initial center ... See full document
8
Reverse Link Performance of Synchronous Cellular DS CDMA Networks in Dispersive Rician Multipath Fading Channels
... Even though a user capacity degradation is encountered in realistic multiple-cell scenarios compared to the single-cell case, the system still exhibits a performance gain for the synchro[r] ... 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
5
Accurate BER of MC DS CDMA over Rayleigh Fading Channels
... We consider K asynchronous MC-DS-CDMA users in the system having all the same number of subcarriers U and spreading factor L. The average power received from each user is also assumed to be ... See full document
10
Ant Colony Based Multiuser Detection for MC DS CDMA Systems
... (MC DS-CDMA) is widely recognized as a high-flexibility multiple-access ...for system designers and for channel-adaptive reconfiguration, when compared to both single-carrier DS-CDMA ... See full document
5
Performance Analysis of Coded $M$ ary Orthogonal Signaling Using Errors and Erasures Decoding Over Frequency Selective Fading Channels
... the performance of RRNS codes using moduli, which are close to each ...approximations using RS code based equations can usually be ...mission using -ary orthogonal signaling ... See full document
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