adaptive MMSE multiuser detection
Multiuser Detection Using Adaptive Multistage Matrix Wiener Filtering Schemes with Stage-Selection Criteria in DS-UWB
... the MMSE- based receiver operates in a nonstationary ...the MMSE receiver that utilizes the reduced-rank multistage vec- tor Wiener filter ...an MMSE approximation in the same Krylov subspace ...
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Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
... 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 ...
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Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... to multiuser detection in ...an adaptive non- linear ...linear MMSE MUD and the optimal Bayesian one-shot ...the adaptive SVM MUD with a RBF MUD trained ...
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Simultaneous Principal Component Extraction with Application to Adaptive Blind Multiuser Detection
... tiuser detection problem in DS-CDMA communication sys- tems using the synchronous signal model with a subspace ap- ...blind MMSE receivers accurately using a very small number of ...an adaptive ...
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Multi User Detection by MMSE Adaptive Algorithm for Multi Beam MIMO MC CDMA using Sequences of References
... The purpose of this paper is to study the association of MC- CDMA and MIMO systems in order to exploit the spatial diversity or spatial multiplexing at transmitter with multi-beam at receiver. Multiuser ...
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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 ...the adaptive blind receiver (ABR) [15], a blind adaptive version of the minimum-mean-square- error (MMSE) detector, ...
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Least Bit Error Rate Adaptive Multiuser Detection
... MF ZF MMSE Conjugate MBER, initialised at ZF LMS algorithm, initialsed at ZF LBER algorithm, initialised at ZF... LMS MMSE LBER..[r] ...
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Adaptive MBER space time DFE assisted multiuser detection for SDMA systems
... the MMSE and MBER ST-DFE-MUDs were also calcu- lated using simulations with the error-prone detected symbols being fed back, and the results are also depicted in ...the MMSE and MBER ST-DFE-MUDs obtained ...
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Adaptive Beamforming and Adaptive Modulation Assisted Network Performance of Multiuser Detection Aided FDD and TDD CDMA Systems
... of adaptive anten- nas [3], adaptive modulation [15], and multiuser detection [15]–[17] while jointly optimizing the physical and network layers in both FDD and TDD ...without adaptive ...
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Burst by Burst Adaptive Multiuser Detection CDMA: A Framework for Existing and Future Wireless Standards
... an adaptive hybrid scheme for flat Rayleigh fading channels ...of MMSE detectors with SIC receivers, as proposed by Cho and Lee ...Single-user MMSE detectors were used to obtain estimates of the data ...
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Adaptive multielement DFE receivers for narrowband multiuser detection
... For resistance to errors in timing phase, and for opti- mum matched filtering, these delay elements are fraction- ally spaced. In the case of this work, the elements are spaced at T 2 , where T is the symbol duration. The ...
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Development of a Multiuser Detection Testbed
... of adaptive MMSE detectors uses training ...tive MMSE detector receives the training sequence it uses an adaptive law to adjust its linear ...the MMSE detector. The only knowledge ...
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Optimization of multidimensional equalizers based on MMSE criteria for multiuser detection
... This thesis is about designing a multidimensional equalizer for uplink interleaved division multiple access (IDMA) transmission. Multidi- mensional equalizer can be classified into centralized and decentral- ized ...
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Adaptive near minimum error rate training for neural networks with application to multiuser detection in CDMA communication systems
... or multiuser detector with binary signalling, it is now well-known that the bit error rate (BER) difference between the MMSE solution and the minimum BER (MBER) one can be large in certain situations ...
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Iterative and Adaptive Processing for Multiuser Communication Systems
... Chayat et. al. [18] observed that the performance of an iterative receiver is improved if different users transmit at different powers. This allows the iterative decoder to operate in an “onion peeling” mode, where the ...
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Joint Adaptive Modulation and Multiuser Downlink Scheduling-A Survey
... Diversity Combining is the technique of receiving redundantly the same information bearing signal over two or more fading channels, then combining these multiple reliable replicas at the receiver to increase the overall ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... In this paper, we focus on blind MUD for fast flat Rayleigh fading channels and in synchronous systems. In particular, we assume to know a priori the second-order statistics of the underlying channel, based on which a ...
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Turbo Multiuser Detection Architectures
... users. Multiuser detection addresses the problem of reliable demodulation of the signal of the desired user in the presence of multiple-access interference (MAI) created by the reception of signals from ...
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MMSE precoding for multiuser MISO downlink transmission with non homogeneous user SNR conditions
... the MMSE pre- coder for the system with perfect CSI and average SNR knowledge at the ...the MMSE precoder obtained from the non-weighted sum-MSE minimization [7,8] may result in poor network sum-rate ...
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Adaptive Minimum BER Linear Multiuser Detection for DS CDMA Signals in Multipath Channels
... The following comparison of the two adaptive mechanisms (the LBER and AMBER) can be made [15], [16]. The algorithm (38) in its simplest form has , and it only updates when a decision error is observed. When the ...
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