Multiuser detection (MUD)
Joint Multiuser Detection and Optimal Spectrum Balancing for Digital Subscriber Lines
... The above method for finding the optimal power spec- trum with MUD at the receivers can be extended to more than two users. However, the algorithm does become more complex. With two users, as in previous example, there ...
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Genetic Algorithm Assisted Multiuser Detection for Asynchronous Multicarrier CDMA
... Multicarrier CDMA (MC-CDMA) [1–3] is a novel transmission technique, which combines DS-CDMA and Orthogonal Fre- quency Division Multiplexing (OFDM) [4–7]. In MC-CDMA systems, instead of applying spreading sequences in ...
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Medium Access in Spread-Spectrum Ad Hoc Networks with Multiuser Detection
... by multiuser detection techniques, have been studied in connection with simple medium access control protocols, for example, slotted ...iterative multiuser detection, which can provide a good ...
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Adaptive MBER space time DFE assisted multiuser detection for SDMA systems
... In this contribution we propose a space-time decision feedback equalization (ST-DFE) assisted multiuser detection (MUD) scheme for multiple antenna aided space division mul- tiple access systems. A minimum ...
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Performance analysis of Matched and Blind Adaptive Multiuser Detection
... the multiuser detection of CDMA ...employ multiuser detection to calculate how much bit error rate (BER) has reduced during the analysis of signal by various ...of multiuser receivers ...
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Design and Experimental Validation of MIMO Multiuser Detection for Downlink Packet Data
... of multiuser detection alone, which, for example, leads to a throughput increase of more than 0 ...However, multiuser detection would still offer some gains, as evidenced by the fact that it ...
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Impact of Channel Estimation Errors on Multiuser Detection via the Replica Method
... Multiuser detection (MUD) [1] can be used to mitigate mul- tiple access interference (MAI) in direct-sequence code divi- sion multiple access (DS-CDMA) systems, thereby substan- tially improving the system ...
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Distributed Iterative Multiuser Detection through Base Station Cooperation
... asymmetric multiuser detection ...iterative detection (DID) was introduced in [24, 25]: each base station initially performs single-user detection for the strongest MT, treating the signals ...
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Optimization of multidimensional equalizers based on MMSE criteria for multiuser detection
... Iterative detection is a strategy to use estimated data symbols in the current it- eration to form an estimate of the inter-symbol interference (ISI) or multi-access interference (MAI), and then subtracting it ...
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Turbo Multiuser Detection Architectures
... For the electrical engineering curriculum every student has to perform a In- dividual Research Assignment. Before I started thinking about the subject of this assignment, I already got interested in signal processing and ...
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Random Sign Repetition Time Hopping UWB with Multiuser Detection
... the multiuser detection in UWB. Using the multiuser formulation, we are able to char- acterize UWB signals in a multiuser ...the multiuser detector is employed in the random sign ...
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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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Further Study on MOE Based Multiuser Detection in Unknown Multipath
... The minimum output energy (MOE) receiver has been developed for multiuser detection when multipath distortion is present. Its performance has been shown to be very close to the minimum mean square error ...
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Turbo multiuser detection with integrated channel estimation for differentially coded CDMA systems.
... ata detection for each user is accomplished independently of th a t performed on other ...problem: multiuser detection and power control. Multiuser detection is concerned with designing ...
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Sphere Decoding for Space time Multiuser Detection in STBC DS CDMA System
... On the receiving side, we use CSI and spreading code of each user to generate space-time spreading channel matrix C i . Then we can use the sphere decoding algorithm of MIMO system as space-time multiuser ...
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Combined error correction and multiuser detection for Rayleigh fading synchronous CDMA channel
... the multiuser environment are Multiple Access Interference (MAI) and multipath ...the multiuser detection problem is the conventional (or single-user) ...
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Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems
... blind multiuser detection of single-rate DS/CDMA systems and some other applications such as blind beamforming and blind source separation (or independent component anal- ...blind multiuser ...
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BLIND CHANNEL ESTIMATION AND MULTIUSER DETECTION FOR MULTI-RATE CDMA COMMUNICATIONS
... multi-rate multiuser detectors with lower ...linear multiuser detection, both decorrelator-based re- ceivers [71]–[75], [90] and MMSE receivers [76], [77], [90] have been studied for multi- rate ...
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Simultaneous Principal Component Extraction with Application to Adaptive Blind Multiuser Detection
... SIPEX-G is a fast-converging, robust, gradient-based PCA algorithm that has been recently proposed by the authors. Its superior performance in synthetic and real data compared with its benchmark counterparts makes it a ...
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Genetic Algorithm Assisted Multiuser Detection in Asynchronous CDMA Communications
... the multiuser detector must have knowledge of these two overlapping bits in order to efficiently detect the desired ...Conventional multiuser detectors, such as the decorrelator [3], operate on the entire ...
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