[PDF] Top 20 Practical multiuser detection algorithms for CDMA

... Latva-aho and Lilleberg in [51] investigate Parallel interference cancellation (PIC) based channel parameter estimators for frequency selective fading channels for the uplink in code di[r] ... See full document

... In C hapter 2, we propose two different iterative SNR estimation algorithms which pro­ vide acceptable performance in high loss ISI channels. We start the algorithm by utilizing the Max-Log-MAP algorithm for the ... See full document

... aided Multiuser Detection (MUD) plans are fit for identifying the got signal of all clients, regardless of the possibility that the channel yield states are straightly ...aided Multiuser ... See full document

... user detection (MUD) [3], ...genetic algorithms (GA) [3], [8]–[10], evolutionary programming [11], particle swarm optimization [12], ant-colony optimization (ACO) [13]–[15], sphere decoding [16], [17] and ... See full document

... The ST dual-rate blind linear detectors can also operate at the output of a single antenna by using the temporal signatures instead of the corresponding spatio-temporal signatures in all associated equations. In this ... See full document

... creasing error rate the number of users having a higher power than for the single user case gets smaller. But the ammount of power required for these users grows disproportionate to the minimum power. This behavior ... See full document

... years multiuser detection techniques (MUD) have attracted significant attention to improve the performance of direct sequence code-division multiple-access (DS-CDMA) ...Multi-user detection ... See full document

... multi-user detection techniques are either too complicates to implement in order to achieve near optimum performance, or there is too much compromise in performance to maintain the simplicity of the ...multi-user ... See full document

... not practical to implement multiuser detection in the forward ...most multiuser detectors are designed for the reverse ...adaptive multiuser detection [2,34] (as discussed in ... See full document

... subspace-based algorithms [20, 21] were reported for es- timation of multipath channels of DS/CDMA systems fol- lowed by the design of detection ...their practical use is limited due to large ... See full document

... Related research appears recently in [15, 16]. However, [15] assumes a fixed global timing error identical for all users and rectangular pulses. The method in [15] does not utilize the error vector combined with ... See full document

... the multiuser receiver schemes discussed earlier, the required parameters—except for the transmitted data estimates—were assumed to be known at the ...adaptive algorithms have been introduced for ... See full document

... linear multiuser detector and developing a gradient search ...MBER multiuser detector is ...adaptive algorithms (the DMBER and the AMBER) is also given in this ... See full document

... Practical implementation issues have mainly been responsible for the prevalence of the conventional, or single-user detector, in most CDMA systems de- spite its inherent limitations. The complexity of the ... See full document

... ML detection based MUD designed for MC-CDMA is capable of achieving the optimum perfor- ...ML detection based MUD’s complexity will increase ex- ponentially with the number of users K ...Genetic ... See full document

... data detection with the aid of the Recursive Least Squares (RLS) adaptive algorithm used for channel amplitude and phase ...the CDMA users. In other blind detection schemes, and compared the ... See full document

... complexity multiuser detectors using coding over the Rayleigh fading channel for dierent noise and MAI conditions; namely the conventional detector, the decorrelator, and the two-stage detectors with the con- ... See full document

... space-time multiuser detection is invoked for a smart antenna aided generalized MC DS-CDMA system communicating over a dispersive Space-Time (ST) Rayleigh fad- ing channel, where the channel ... See full document

... space-time multiuser detection algorithm in our system and classical decorrelating multiuser detection algorithm in one-antenna system are showed in ... See full document

... MC- CDMA with these simple diversity-combining strategies can still perform better [9] than both DS-CDMA with a compa- rable value of the processing gain and RAKE reception, and MC-CDMA schemes with ... See full document