adaptive multiuser CDMA detector
Block Adaptive Kernel Based CDMA Multiuser Detector
... In our previous work [11],[12] the SVM technique [13]–[15] has been applied for constructing kernel-based MUDs. Our study has shown that an SVM aided MUD trained using a relatively small block of noisy received signal ...
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Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
... on CDMA are inherently subject to Multiple-Access Interference (MAI), since it is impossible to maintain orthogonal spreading codes in mobile ...Multi-user Detector (MUD) techniques exploit the character of ...
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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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Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... detector (MUD) is considered for direct sequence code division multiple access (DS-CDMA) signals transmitted through multi- path channels. The emerging learning technique, called support vector machines ...
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Ant Colony Based Multiuser Detection for MC DS CDMA Systems
... multicarrier CDMA (MC-CDMA) operating without T-domain spreading ...user detector (SUD) based on a filter matched to the spreading code of the desired user was used in the above ...
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Burst by Burst Adaptive Multiuser Detection CDMA: A Framework for Existing and Future Wireless Standards
... the multiuser receiver schemes discussed earlier, the required parameters—except for the transmitted data estimates—were assumed to be known at the ...complexity, adaptive receiver structures have been ...
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BLIND CHANNEL ESTIMATION AND MULTIUSER DETECTION FOR MULTI-RATE CDMA COMMUNICATIONS
... corresponding adaptive ST dual-rate blind MMSE ...an adaptive purely temporal dual-rate blind MMSE detector for each element is a natural ...the adaptive purely temporal low-rate or high-rate ...
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Adaptive Minimum BER Linear Multiuser Detection for DS CDMA Signals in Multipath Channels
... constructing adaptive minimum bit error rate (MBER) linear multiuser detectors is considered for di- rect-sequence code division multiple access (DS-CDMA) signals transmitted through multipath ...
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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 ...TDD CDMA. Furthermore, ...
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Adaptive Minimum Symbol Error Rate CDMA Linear Multiuser Detector for Pulse Amplitude Modulation
... training data, a stochastic gradient algorithm call the LSER is developed for training linear detector. Three versions of the LSER algorithm are presented, each in turn having simpler complexity. The simplest ...
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Iterative and Adaptive Processing for Multiuser Communication Systems
... converge. CDMA and IDMA systems utilising iterative receivers can exploit this power allocation strategy to gain an improvement in ...iterative CDMA receivers that are based on combined soft interference ...
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Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking
... (RLS) adaptive algorithm used for channel amplitude and phase ...the CDMA users [182]. In contrast to other multiuser detectors, which required the knowledge of the spreading codes of all the users, ...
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Development of a Multiuser Detection Testbed
... blind adaptive MMSE detector can be clearly seen from Figure ...blind adaptive MMSE detector with step size µ = 10 −4 are plotted for a ten user, perfect power control CDMA ...the ...
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Blind linear multiuser detection for DS-CDMA wireless networks
... non- adaptive, as they rely on the correlation matrices of the received ...MOE-based detector, hypotheses are chosen based on their respective out put ...
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DIMINISHED COMPLEXITY GENETIC ALGORITHM AIDED AND RADIAL BASIS FUNCTION ASSISTED MULTIUSER DETECTION FOR SYNCHRONOUS CDMA
... The adaptive Multiuser Detector which converges to the minimum mean square error detector without training sequences and which requires less information discussed by Howard ...linear ...
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Study and Development of Novel Techniques for PHY-Layer Optimization of Smart Terminals in the Context of Next-Generation Mobile Communications
... The ow of multimedia trac through wireless networks is constantly increasing, both in local and in metropolitan areas. Multimedia trac is characterized by heterogeneous data rates typical of the dierent streamed media. ...
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Genetic Algorithm Assisted Multiuser Detection in Asynchronous CDMA Communications
... In this section, our computer simulation results are presented in order to characterize the DBEP performance of the GA-based multiuser detector highlighted in Section III. For the sake of comparison, we ...
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Genetic Algorithm Assisted Multiuser Detection in Asynchronous CDMA Communications
... Proposed GA-based detector using strategy S1 Proposed GA-based detector using strategy S2 Single-user bound Conventional, 2-path rake combining.. Bit Error Probability BEP.[r] ...
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A Low Complexity Blind Multiuser Receiver for Long Code CDMA
... proposed multiuser algorithm is by itself not a very surprising ...(periodic-code) CDMA systems, for example, the (parallel interference cancellation PIC) receivers, and for long-code CDMA an ...
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A novel interleaving scheme for multiuser detection of coded CDMA systems
... in CDMA receivers despite many shortcomings due to its simplicity. Multiuser detectors on the other hand have the po- tential for dramatically higher capacity at the cost of increased ...stage ...
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