blind multiuser signal detection
A Subspace Approach to Blind Multiuser Detection for Ultra Wideband Communication Systems
... received signal shows nonzero mean due to PPM, different from a typi- cal CDMA system where zero-mean inputs yield zero-mean channel output in ...the signal subspace and noise sub- space ...the signal ...
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Blind Multiuser Detection for Long Code CDMA Systems with Transmission Induced Cyclostationarity
... In this paper, blind channel identification and signal separa- tion for long-code CDMA systems are revisited. Long-code CDMA system is characterized using a time-invariant system model by modeling the ...
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Simultaneous Principal Component Extraction with Application to Adaptive Blind Multiuser Detection
... the signal-to-interference ratio (SIR) between the desired user’s signal and the combined multiple access interference (MAI) and channel noise defined in ...
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BLIND CHANNEL ESTIMATION AND MULTIUSER DETECTION FOR MULTI-RATE CDMA COMMUNICATIONS
... to blind chan- nel estimation and multiuser detection for multi-rate ...pilot signal, and require a shorter duration of obser- vation to achieve the same performance as the blind ...and ...
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Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems
... (MIMO) signal models can be formulated through chip-rate sampling of the received continuous-time signal followed by polyphase decomposi- ...of blind MIMO channel identification, equalization (or ...
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Scheduling schemes with adaptive blind detection for code reuse in multiuser MIMO systems
... Linear multiuser techniques have been widely analyzed in the literature ...adaptive blind receiver (ABR) [15], a blind adaptive version of the minimum-mean-square- error (MMSE) detector, is specially ...
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Blind Direct Multiuser Detection for Uplink MC CDMA: Performance Analysis and Robust Implementation
... direct blind MUD two-stage receiver pro- posed in [14], aimed at evaluating the performance degra- dation, in terms of signal-to-interference-plus-noise ratio (SINR) at the output of the first stage when ...
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A MUSIC Based Algorithm for Blind User Identification in Multiuser DS CDMA
... for detection of the active users be ...the detection pro- ...in detection margin, a value of L1 = 500, while not being too long, can provide a significant mar- gin for ...
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Noncoherent Multiuser Communications: Multistage Detection and Selective Filtering
... received signal components as constraints for nonlinear pro- gramming relaxations of the ML multiuser ...the detection scheme: the serial, clipped, and parallel soft-IC (Interference ...multistage ...
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Multicell multiuser massive MIMO channel estimation and MPSK signal block detection applying two dimensional compressed sensing
... received signal are firstly projected onto the subspace with minimal interference, then alternatively refined the chan- nel estimation and detected the data ...a blind pilot decontamination with subspace ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... the Signal Processing Magazine and Associate Editor of the IEEE Trans- actions on Signal ...IEEE Signal Processing Society Committee on Signal Processing—Theory and Methods and is on the ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... the Signal Processing Magazine and Associate Editor of the IEEE Trans- actions on Signal ...IEEE Signal Processing Society Committee on Signal Processing—Theory and Methods and is on the ...
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Adaptive Near Optimal Multiuser Detection Using a Stochastic and Hysteretic Hopfield Net Receiver
... the detection, the detector algorithm needs the exact form of matrix R (see, ...incoming signal by the means of ...formance), blind equalization techniques, such as SOM, are ...
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Further Study on MOE Based Multiuser Detection in Unknown Multipath
... direct detection techniques in the presence of unknown multipath ...These blind MOE methods minimize the output energy (or power) of the receiver subject to certain constraints to guarantee no can- ...
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Development of a Multiuser Detection Testbed
... the blind adaptive MMSE detector can be clearly seen from Figure ...the blind adaptive MMSE detector with step size µ = 10 −4 are plotted for a ten user, perfect power control CDMA ...the blind ...
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Performance analysis of Matched and Blind Adaptive Multiuser Detection
... known signal in additive white Gaussian noise ...MAI signal is very high at output of matched ...signal detection. The matched filter bank correlates the received signal with the ...
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Blind linear multiuser detection for DS-CDMA wireless networks
... a blind, near far resistant acquisition scheme which selects the correct ...based blind acquisition schemes are non- adaptive, as they rely on the correlation matrices of the received ...a blind, ...
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Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... subspace-based blind and group-blind MUDs em- ployed in the uplink of a smart antenna aided generalized MC DS- CDMA system, when communicating over a dispersive ST Rayleigh fading channel contaminated by ...
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Timing Free Blind Multiuser Detection for Multicarrier DS/CDMA Systems with Multiple Antennae
... average signal-to-noise ratio, but this inevitably poses the problem of a tight synchronization so as to avoid heavy mismatch losses in the replicas-retrieving ...
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EM Based Multiuser Detection in Fast Fading Multipath Environments
... We address the problem of multiuser detection in fast fading multipath environments for DS-CDMA systems. In fast fading scenarios, temporal variations of the channel cause significant performance ...
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